diff --git a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-1.json b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-1.json
index 0b52cf4def31ef94b3695e1d5c4d960c0cfa92b9..fa4ae5ed7560810563589e90eb8ae434975b8475 100644
--- a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-1.json
+++ b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-1.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.5.65.1"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:181:5::1",
+      "kavlan-11": "2001:660:4406:18b:5::1",
+      "kavlan-12": "2001:660:4406:18c:5::1",
+      "kavlan-13": "2001:660:4406:18d:5::1",
+      "kavlan-14": "2001:660:4406:18e:5::1",
+      "kavlan-16": "2001:660:4406:190:5::1",
+      "kavlan-18": "2001:660:4406:192:5::1",
+      "kavlan-2": "2001:660:4406:182:5::1",
+      "kavlan-20": "2001:660:4406:194:5::1",
+      "kavlan-21": "2001:660:4406:195:5::1",
+      "kavlan-3": "2001:660:4406:183:5::1",
+      "kavlan-4": "2001:660:4406:184:5::1",
+      "kavlan-5": "2001:660:4406:185:5::1",
+      "kavlan-6": "2001:660:4406:186:5::1",
+      "kavlan-7": "2001:660:4406:187:5::1",
+      "kavlan-8": "2001:660:4406:188:5::1",
+      "kavlan-9": "2001:660:4406:189:5::1"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-10.json b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-10.json
index 140edc58a3b1a1461b05db9f617e25cc9054ec64..00e5520d3b611f85a61192b5726ab17d73460394 100644
--- a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-10.json
+++ b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-10.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.5.65.10"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:181:5::a",
+      "kavlan-11": "2001:660:4406:18b:5::a",
+      "kavlan-12": "2001:660:4406:18c:5::a",
+      "kavlan-13": "2001:660:4406:18d:5::a",
+      "kavlan-14": "2001:660:4406:18e:5::a",
+      "kavlan-16": "2001:660:4406:190:5::a",
+      "kavlan-18": "2001:660:4406:192:5::a",
+      "kavlan-2": "2001:660:4406:182:5::a",
+      "kavlan-20": "2001:660:4406:194:5::a",
+      "kavlan-21": "2001:660:4406:195:5::a",
+      "kavlan-3": "2001:660:4406:183:5::a",
+      "kavlan-4": "2001:660:4406:184:5::a",
+      "kavlan-5": "2001:660:4406:185:5::a",
+      "kavlan-6": "2001:660:4406:186:5::a",
+      "kavlan-7": "2001:660:4406:187:5::a",
+      "kavlan-8": "2001:660:4406:188:5::a",
+      "kavlan-9": "2001:660:4406:189:5::a"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-11.json b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-11.json
index 4550e6789309163c776decfae620e896a7e2974c..964a3fd0cfb79d23db1df0307316cf3d19512374 100644
--- a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-11.json
+++ b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-11.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.5.65.11"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:181:5::b",
+      "kavlan-11": "2001:660:4406:18b:5::b",
+      "kavlan-12": "2001:660:4406:18c:5::b",
+      "kavlan-13": "2001:660:4406:18d:5::b",
+      "kavlan-14": "2001:660:4406:18e:5::b",
+      "kavlan-16": "2001:660:4406:190:5::b",
+      "kavlan-18": "2001:660:4406:192:5::b",
+      "kavlan-2": "2001:660:4406:182:5::b",
+      "kavlan-20": "2001:660:4406:194:5::b",
+      "kavlan-21": "2001:660:4406:195:5::b",
+      "kavlan-3": "2001:660:4406:183:5::b",
+      "kavlan-4": "2001:660:4406:184:5::b",
+      "kavlan-5": "2001:660:4406:185:5::b",
+      "kavlan-6": "2001:660:4406:186:5::b",
+      "kavlan-7": "2001:660:4406:187:5::b",
+      "kavlan-8": "2001:660:4406:188:5::b",
+      "kavlan-9": "2001:660:4406:189:5::b"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-12.json b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-12.json
index 614b45d916271b18445d7d7a152d5b17753a6b1c..b7343b324c8514eebe11df9f681c60e47aa8f9e4 100644
--- a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-12.json
+++ b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-12.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.5.65.12"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:181:5::c",
+      "kavlan-11": "2001:660:4406:18b:5::c",
+      "kavlan-12": "2001:660:4406:18c:5::c",
+      "kavlan-13": "2001:660:4406:18d:5::c",
+      "kavlan-14": "2001:660:4406:18e:5::c",
+      "kavlan-16": "2001:660:4406:190:5::c",
+      "kavlan-18": "2001:660:4406:192:5::c",
+      "kavlan-2": "2001:660:4406:182:5::c",
+      "kavlan-20": "2001:660:4406:194:5::c",
+      "kavlan-21": "2001:660:4406:195:5::c",
+      "kavlan-3": "2001:660:4406:183:5::c",
+      "kavlan-4": "2001:660:4406:184:5::c",
+      "kavlan-5": "2001:660:4406:185:5::c",
+      "kavlan-6": "2001:660:4406:186:5::c",
+      "kavlan-7": "2001:660:4406:187:5::c",
+      "kavlan-8": "2001:660:4406:188:5::c",
+      "kavlan-9": "2001:660:4406:189:5::c"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-13.json b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-13.json
index 7c397389a1a40f06bf33d0e9fec2b353fe11f9c6..246ba3e187747e8d508e1c13d8d6be8cf7aa7da0 100644
--- a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-13.json
+++ b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-13.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.5.65.13"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:181:5::d",
+      "kavlan-11": "2001:660:4406:18b:5::d",
+      "kavlan-12": "2001:660:4406:18c:5::d",
+      "kavlan-13": "2001:660:4406:18d:5::d",
+      "kavlan-14": "2001:660:4406:18e:5::d",
+      "kavlan-16": "2001:660:4406:190:5::d",
+      "kavlan-18": "2001:660:4406:192:5::d",
+      "kavlan-2": "2001:660:4406:182:5::d",
+      "kavlan-20": "2001:660:4406:194:5::d",
+      "kavlan-21": "2001:660:4406:195:5::d",
+      "kavlan-3": "2001:660:4406:183:5::d",
+      "kavlan-4": "2001:660:4406:184:5::d",
+      "kavlan-5": "2001:660:4406:185:5::d",
+      "kavlan-6": "2001:660:4406:186:5::d",
+      "kavlan-7": "2001:660:4406:187:5::d",
+      "kavlan-8": "2001:660:4406:188:5::d",
+      "kavlan-9": "2001:660:4406:189:5::d"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-14.json b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-14.json
index eca53f103a84ed535d553a2f556fac865b1970f0..3f856fc14a7a7eed797b98337cfe1fa3e8a1370d 100644
--- a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-14.json
+++ b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-14.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.5.65.14"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:181:5::e",
+      "kavlan-11": "2001:660:4406:18b:5::e",
+      "kavlan-12": "2001:660:4406:18c:5::e",
+      "kavlan-13": "2001:660:4406:18d:5::e",
+      "kavlan-14": "2001:660:4406:18e:5::e",
+      "kavlan-16": "2001:660:4406:190:5::e",
+      "kavlan-18": "2001:660:4406:192:5::e",
+      "kavlan-2": "2001:660:4406:182:5::e",
+      "kavlan-20": "2001:660:4406:194:5::e",
+      "kavlan-21": "2001:660:4406:195:5::e",
+      "kavlan-3": "2001:660:4406:183:5::e",
+      "kavlan-4": "2001:660:4406:184:5::e",
+      "kavlan-5": "2001:660:4406:185:5::e",
+      "kavlan-6": "2001:660:4406:186:5::e",
+      "kavlan-7": "2001:660:4406:187:5::e",
+      "kavlan-8": "2001:660:4406:188:5::e",
+      "kavlan-9": "2001:660:4406:189:5::e"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-15.json b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-15.json
index 990fbd45a6e667b8940c286228952f54f9b2aa60..46016b9b1ec4e6cf372acee6a283ff616b87ed5c 100644
--- a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-15.json
+++ b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-15.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.5.65.15"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:181:5::f",
+      "kavlan-11": "2001:660:4406:18b:5::f",
+      "kavlan-12": "2001:660:4406:18c:5::f",
+      "kavlan-13": "2001:660:4406:18d:5::f",
+      "kavlan-14": "2001:660:4406:18e:5::f",
+      "kavlan-16": "2001:660:4406:190:5::f",
+      "kavlan-18": "2001:660:4406:192:5::f",
+      "kavlan-2": "2001:660:4406:182:5::f",
+      "kavlan-20": "2001:660:4406:194:5::f",
+      "kavlan-21": "2001:660:4406:195:5::f",
+      "kavlan-3": "2001:660:4406:183:5::f",
+      "kavlan-4": "2001:660:4406:184:5::f",
+      "kavlan-5": "2001:660:4406:185:5::f",
+      "kavlan-6": "2001:660:4406:186:5::f",
+      "kavlan-7": "2001:660:4406:187:5::f",
+      "kavlan-8": "2001:660:4406:188:5::f",
+      "kavlan-9": "2001:660:4406:189:5::f"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-16.json b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-16.json
index c4245bed5d066ebc7f2512c4ee6ccd44d788687e..48de980082a5cc64be5ab7f88c46b18c69b87d3c 100644
--- a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-16.json
+++ b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-16.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.5.65.16"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:181:5::10",
+      "kavlan-11": "2001:660:4406:18b:5::10",
+      "kavlan-12": "2001:660:4406:18c:5::10",
+      "kavlan-13": "2001:660:4406:18d:5::10",
+      "kavlan-14": "2001:660:4406:18e:5::10",
+      "kavlan-16": "2001:660:4406:190:5::10",
+      "kavlan-18": "2001:660:4406:192:5::10",
+      "kavlan-2": "2001:660:4406:182:5::10",
+      "kavlan-20": "2001:660:4406:194:5::10",
+      "kavlan-21": "2001:660:4406:195:5::10",
+      "kavlan-3": "2001:660:4406:183:5::10",
+      "kavlan-4": "2001:660:4406:184:5::10",
+      "kavlan-5": "2001:660:4406:185:5::10",
+      "kavlan-6": "2001:660:4406:186:5::10",
+      "kavlan-7": "2001:660:4406:187:5::10",
+      "kavlan-8": "2001:660:4406:188:5::10",
+      "kavlan-9": "2001:660:4406:189:5::10"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-17.json b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-17.json
index 34ddd861654ef7e699c2f97653d890ccf11d1518..a40f91e5e52e4a7df74decdbc73019f6f45b06f1 100644
--- a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-17.json
+++ b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-17.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.5.65.17"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:181:5::11",
+      "kavlan-11": "2001:660:4406:18b:5::11",
+      "kavlan-12": "2001:660:4406:18c:5::11",
+      "kavlan-13": "2001:660:4406:18d:5::11",
+      "kavlan-14": "2001:660:4406:18e:5::11",
+      "kavlan-16": "2001:660:4406:190:5::11",
+      "kavlan-18": "2001:660:4406:192:5::11",
+      "kavlan-2": "2001:660:4406:182:5::11",
+      "kavlan-20": "2001:660:4406:194:5::11",
+      "kavlan-21": "2001:660:4406:195:5::11",
+      "kavlan-3": "2001:660:4406:183:5::11",
+      "kavlan-4": "2001:660:4406:184:5::11",
+      "kavlan-5": "2001:660:4406:185:5::11",
+      "kavlan-6": "2001:660:4406:186:5::11",
+      "kavlan-7": "2001:660:4406:187:5::11",
+      "kavlan-8": "2001:660:4406:188:5::11",
+      "kavlan-9": "2001:660:4406:189:5::11"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-18.json b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-18.json
index 99818e668adb8ce688609ddb3b038ad9cad7f512..3a623ea45653ec423b48c97afdbb9dc68b2d093d 100644
--- a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-18.json
+++ b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-18.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.5.65.18"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:181:5::12",
+      "kavlan-11": "2001:660:4406:18b:5::12",
+      "kavlan-12": "2001:660:4406:18c:5::12",
+      "kavlan-13": "2001:660:4406:18d:5::12",
+      "kavlan-14": "2001:660:4406:18e:5::12",
+      "kavlan-16": "2001:660:4406:190:5::12",
+      "kavlan-18": "2001:660:4406:192:5::12",
+      "kavlan-2": "2001:660:4406:182:5::12",
+      "kavlan-20": "2001:660:4406:194:5::12",
+      "kavlan-21": "2001:660:4406:195:5::12",
+      "kavlan-3": "2001:660:4406:183:5::12",
+      "kavlan-4": "2001:660:4406:184:5::12",
+      "kavlan-5": "2001:660:4406:185:5::12",
+      "kavlan-6": "2001:660:4406:186:5::12",
+      "kavlan-7": "2001:660:4406:187:5::12",
+      "kavlan-8": "2001:660:4406:188:5::12",
+      "kavlan-9": "2001:660:4406:189:5::12"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-19.json b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-19.json
index dcc5181317d06c62dc5ef454e48ebc82e1390600..e3b87d12da5395554cf8f94728fe833e6a17612e 100644
--- a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-19.json
+++ b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-19.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.5.65.19"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:181:5::13",
+      "kavlan-11": "2001:660:4406:18b:5::13",
+      "kavlan-12": "2001:660:4406:18c:5::13",
+      "kavlan-13": "2001:660:4406:18d:5::13",
+      "kavlan-14": "2001:660:4406:18e:5::13",
+      "kavlan-16": "2001:660:4406:190:5::13",
+      "kavlan-18": "2001:660:4406:192:5::13",
+      "kavlan-2": "2001:660:4406:182:5::13",
+      "kavlan-20": "2001:660:4406:194:5::13",
+      "kavlan-21": "2001:660:4406:195:5::13",
+      "kavlan-3": "2001:660:4406:183:5::13",
+      "kavlan-4": "2001:660:4406:184:5::13",
+      "kavlan-5": "2001:660:4406:185:5::13",
+      "kavlan-6": "2001:660:4406:186:5::13",
+      "kavlan-7": "2001:660:4406:187:5::13",
+      "kavlan-8": "2001:660:4406:188:5::13",
+      "kavlan-9": "2001:660:4406:189:5::13"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-2.json b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-2.json
index 7ea8dbee5e736f3255ac5fbef67203f3b2ba2180..18df3aed9afd971cf24b29e2ad27eb336184c32b 100644
--- a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-2.json
+++ b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-2.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.5.65.2"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:181:5::2",
+      "kavlan-11": "2001:660:4406:18b:5::2",
+      "kavlan-12": "2001:660:4406:18c:5::2",
+      "kavlan-13": "2001:660:4406:18d:5::2",
+      "kavlan-14": "2001:660:4406:18e:5::2",
+      "kavlan-16": "2001:660:4406:190:5::2",
+      "kavlan-18": "2001:660:4406:192:5::2",
+      "kavlan-2": "2001:660:4406:182:5::2",
+      "kavlan-20": "2001:660:4406:194:5::2",
+      "kavlan-21": "2001:660:4406:195:5::2",
+      "kavlan-3": "2001:660:4406:183:5::2",
+      "kavlan-4": "2001:660:4406:184:5::2",
+      "kavlan-5": "2001:660:4406:185:5::2",
+      "kavlan-6": "2001:660:4406:186:5::2",
+      "kavlan-7": "2001:660:4406:187:5::2",
+      "kavlan-8": "2001:660:4406:188:5::2",
+      "kavlan-9": "2001:660:4406:189:5::2"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-20.json b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-20.json
index 06e9f081451bf59072e1b429a88013702ded228a..4c234df88cc1dfc4402728be903c602a41e1f026 100644
--- a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-20.json
+++ b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-20.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.5.65.20"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:181:5::14",
+      "kavlan-11": "2001:660:4406:18b:5::14",
+      "kavlan-12": "2001:660:4406:18c:5::14",
+      "kavlan-13": "2001:660:4406:18d:5::14",
+      "kavlan-14": "2001:660:4406:18e:5::14",
+      "kavlan-16": "2001:660:4406:190:5::14",
+      "kavlan-18": "2001:660:4406:192:5::14",
+      "kavlan-2": "2001:660:4406:182:5::14",
+      "kavlan-20": "2001:660:4406:194:5::14",
+      "kavlan-21": "2001:660:4406:195:5::14",
+      "kavlan-3": "2001:660:4406:183:5::14",
+      "kavlan-4": "2001:660:4406:184:5::14",
+      "kavlan-5": "2001:660:4406:185:5::14",
+      "kavlan-6": "2001:660:4406:186:5::14",
+      "kavlan-7": "2001:660:4406:187:5::14",
+      "kavlan-8": "2001:660:4406:188:5::14",
+      "kavlan-9": "2001:660:4406:189:5::14"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-21.json b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-21.json
index 069afc28bf126f565a8ec9969dbd5d0f9f14bb45..2a43abe87bb5deaa49255e90747f17a6b15c1795 100644
--- a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-21.json
+++ b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-21.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.5.65.21"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:181:5::15",
+      "kavlan-11": "2001:660:4406:18b:5::15",
+      "kavlan-12": "2001:660:4406:18c:5::15",
+      "kavlan-13": "2001:660:4406:18d:5::15",
+      "kavlan-14": "2001:660:4406:18e:5::15",
+      "kavlan-16": "2001:660:4406:190:5::15",
+      "kavlan-18": "2001:660:4406:192:5::15",
+      "kavlan-2": "2001:660:4406:182:5::15",
+      "kavlan-20": "2001:660:4406:194:5::15",
+      "kavlan-21": "2001:660:4406:195:5::15",
+      "kavlan-3": "2001:660:4406:183:5::15",
+      "kavlan-4": "2001:660:4406:184:5::15",
+      "kavlan-5": "2001:660:4406:185:5::15",
+      "kavlan-6": "2001:660:4406:186:5::15",
+      "kavlan-7": "2001:660:4406:187:5::15",
+      "kavlan-8": "2001:660:4406:188:5::15",
+      "kavlan-9": "2001:660:4406:189:5::15"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-22.json b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-22.json
index 5fc89cfa9500d49d2d9e0c9e67f33cef5ad49d26..0c61f69e6e44638c642bf09a28e6b127a7abd87d 100644
--- a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-22.json
+++ b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-22.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.5.65.22"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:181:5::16",
+      "kavlan-11": "2001:660:4406:18b:5::16",
+      "kavlan-12": "2001:660:4406:18c:5::16",
+      "kavlan-13": "2001:660:4406:18d:5::16",
+      "kavlan-14": "2001:660:4406:18e:5::16",
+      "kavlan-16": "2001:660:4406:190:5::16",
+      "kavlan-18": "2001:660:4406:192:5::16",
+      "kavlan-2": "2001:660:4406:182:5::16",
+      "kavlan-20": "2001:660:4406:194:5::16",
+      "kavlan-21": "2001:660:4406:195:5::16",
+      "kavlan-3": "2001:660:4406:183:5::16",
+      "kavlan-4": "2001:660:4406:184:5::16",
+      "kavlan-5": "2001:660:4406:185:5::16",
+      "kavlan-6": "2001:660:4406:186:5::16",
+      "kavlan-7": "2001:660:4406:187:5::16",
+      "kavlan-8": "2001:660:4406:188:5::16",
+      "kavlan-9": "2001:660:4406:189:5::16"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-23.json b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-23.json
index 1a2c149ca1b7d35020d3331494709584983fdf24..e44e10717d5df8aeed37552fe81d357849cacbc4 100644
--- a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-23.json
+++ b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-23.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.5.65.23"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:181:5::17",
+      "kavlan-11": "2001:660:4406:18b:5::17",
+      "kavlan-12": "2001:660:4406:18c:5::17",
+      "kavlan-13": "2001:660:4406:18d:5::17",
+      "kavlan-14": "2001:660:4406:18e:5::17",
+      "kavlan-16": "2001:660:4406:190:5::17",
+      "kavlan-18": "2001:660:4406:192:5::17",
+      "kavlan-2": "2001:660:4406:182:5::17",
+      "kavlan-20": "2001:660:4406:194:5::17",
+      "kavlan-21": "2001:660:4406:195:5::17",
+      "kavlan-3": "2001:660:4406:183:5::17",
+      "kavlan-4": "2001:660:4406:184:5::17",
+      "kavlan-5": "2001:660:4406:185:5::17",
+      "kavlan-6": "2001:660:4406:186:5::17",
+      "kavlan-7": "2001:660:4406:187:5::17",
+      "kavlan-8": "2001:660:4406:188:5::17",
+      "kavlan-9": "2001:660:4406:189:5::17"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-24.json b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-24.json
index 440cb66bed651928c4a3d4ad3d7d0bdb07c98025..df666ed4d04654904ecc4f32a79ae4e0b47a4c3d 100644
--- a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-24.json
+++ b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-24.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.5.65.24"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:181:5::18",
+      "kavlan-11": "2001:660:4406:18b:5::18",
+      "kavlan-12": "2001:660:4406:18c:5::18",
+      "kavlan-13": "2001:660:4406:18d:5::18",
+      "kavlan-14": "2001:660:4406:18e:5::18",
+      "kavlan-16": "2001:660:4406:190:5::18",
+      "kavlan-18": "2001:660:4406:192:5::18",
+      "kavlan-2": "2001:660:4406:182:5::18",
+      "kavlan-20": "2001:660:4406:194:5::18",
+      "kavlan-21": "2001:660:4406:195:5::18",
+      "kavlan-3": "2001:660:4406:183:5::18",
+      "kavlan-4": "2001:660:4406:184:5::18",
+      "kavlan-5": "2001:660:4406:185:5::18",
+      "kavlan-6": "2001:660:4406:186:5::18",
+      "kavlan-7": "2001:660:4406:187:5::18",
+      "kavlan-8": "2001:660:4406:188:5::18",
+      "kavlan-9": "2001:660:4406:189:5::18"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-25.json b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-25.json
index 08c3cd2ac6a1b2afb5d0784abba26c1f6da58f33..45ff2654e70d771628104d27d5ad818d1ea5af77 100644
--- a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-25.json
+++ b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-25.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.5.65.25"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:181:5::19",
+      "kavlan-11": "2001:660:4406:18b:5::19",
+      "kavlan-12": "2001:660:4406:18c:5::19",
+      "kavlan-13": "2001:660:4406:18d:5::19",
+      "kavlan-14": "2001:660:4406:18e:5::19",
+      "kavlan-16": "2001:660:4406:190:5::19",
+      "kavlan-18": "2001:660:4406:192:5::19",
+      "kavlan-2": "2001:660:4406:182:5::19",
+      "kavlan-20": "2001:660:4406:194:5::19",
+      "kavlan-21": "2001:660:4406:195:5::19",
+      "kavlan-3": "2001:660:4406:183:5::19",
+      "kavlan-4": "2001:660:4406:184:5::19",
+      "kavlan-5": "2001:660:4406:185:5::19",
+      "kavlan-6": "2001:660:4406:186:5::19",
+      "kavlan-7": "2001:660:4406:187:5::19",
+      "kavlan-8": "2001:660:4406:188:5::19",
+      "kavlan-9": "2001:660:4406:189:5::19"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-26.json b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-26.json
index f108ca2aee043d9e46c506fee8a810ae2535e161..88e69d13053f16b931b036916229d93b2ae2898b 100644
--- a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-26.json
+++ b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-26.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.5.65.26"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:181:5::1a",
+      "kavlan-11": "2001:660:4406:18b:5::1a",
+      "kavlan-12": "2001:660:4406:18c:5::1a",
+      "kavlan-13": "2001:660:4406:18d:5::1a",
+      "kavlan-14": "2001:660:4406:18e:5::1a",
+      "kavlan-16": "2001:660:4406:190:5::1a",
+      "kavlan-18": "2001:660:4406:192:5::1a",
+      "kavlan-2": "2001:660:4406:182:5::1a",
+      "kavlan-20": "2001:660:4406:194:5::1a",
+      "kavlan-21": "2001:660:4406:195:5::1a",
+      "kavlan-3": "2001:660:4406:183:5::1a",
+      "kavlan-4": "2001:660:4406:184:5::1a",
+      "kavlan-5": "2001:660:4406:185:5::1a",
+      "kavlan-6": "2001:660:4406:186:5::1a",
+      "kavlan-7": "2001:660:4406:187:5::1a",
+      "kavlan-8": "2001:660:4406:188:5::1a",
+      "kavlan-9": "2001:660:4406:189:5::1a"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-27.json b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-27.json
index dde5003c12d4173c786783e1fd8f87c829ee3e25..8b9507e2eb014660753a7f7183a6382238d74ca2 100644
--- a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-27.json
+++ b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-27.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.5.65.27"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:181:5::1b",
+      "kavlan-11": "2001:660:4406:18b:5::1b",
+      "kavlan-12": "2001:660:4406:18c:5::1b",
+      "kavlan-13": "2001:660:4406:18d:5::1b",
+      "kavlan-14": "2001:660:4406:18e:5::1b",
+      "kavlan-16": "2001:660:4406:190:5::1b",
+      "kavlan-18": "2001:660:4406:192:5::1b",
+      "kavlan-2": "2001:660:4406:182:5::1b",
+      "kavlan-20": "2001:660:4406:194:5::1b",
+      "kavlan-21": "2001:660:4406:195:5::1b",
+      "kavlan-3": "2001:660:4406:183:5::1b",
+      "kavlan-4": "2001:660:4406:184:5::1b",
+      "kavlan-5": "2001:660:4406:185:5::1b",
+      "kavlan-6": "2001:660:4406:186:5::1b",
+      "kavlan-7": "2001:660:4406:187:5::1b",
+      "kavlan-8": "2001:660:4406:188:5::1b",
+      "kavlan-9": "2001:660:4406:189:5::1b"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-28.json b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-28.json
index c0023e646bb43d993c72941fd3e5721202e37519..2408068581fe50899d73f4abca2e1f03b4b0effd 100644
--- a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-28.json
+++ b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-28.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.5.65.28"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:181:5::1c",
+      "kavlan-11": "2001:660:4406:18b:5::1c",
+      "kavlan-12": "2001:660:4406:18c:5::1c",
+      "kavlan-13": "2001:660:4406:18d:5::1c",
+      "kavlan-14": "2001:660:4406:18e:5::1c",
+      "kavlan-16": "2001:660:4406:190:5::1c",
+      "kavlan-18": "2001:660:4406:192:5::1c",
+      "kavlan-2": "2001:660:4406:182:5::1c",
+      "kavlan-20": "2001:660:4406:194:5::1c",
+      "kavlan-21": "2001:660:4406:195:5::1c",
+      "kavlan-3": "2001:660:4406:183:5::1c",
+      "kavlan-4": "2001:660:4406:184:5::1c",
+      "kavlan-5": "2001:660:4406:185:5::1c",
+      "kavlan-6": "2001:660:4406:186:5::1c",
+      "kavlan-7": "2001:660:4406:187:5::1c",
+      "kavlan-8": "2001:660:4406:188:5::1c",
+      "kavlan-9": "2001:660:4406:189:5::1c"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-29.json b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-29.json
index 13f0b72d25771bd0aea1a5df7f5e15452a3bbd4a..51635302c48de6d125496fd53a5b38c21253cea4 100644
--- a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-29.json
+++ b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-29.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.5.65.29"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:181:5::1d",
+      "kavlan-11": "2001:660:4406:18b:5::1d",
+      "kavlan-12": "2001:660:4406:18c:5::1d",
+      "kavlan-13": "2001:660:4406:18d:5::1d",
+      "kavlan-14": "2001:660:4406:18e:5::1d",
+      "kavlan-16": "2001:660:4406:190:5::1d",
+      "kavlan-18": "2001:660:4406:192:5::1d",
+      "kavlan-2": "2001:660:4406:182:5::1d",
+      "kavlan-20": "2001:660:4406:194:5::1d",
+      "kavlan-21": "2001:660:4406:195:5::1d",
+      "kavlan-3": "2001:660:4406:183:5::1d",
+      "kavlan-4": "2001:660:4406:184:5::1d",
+      "kavlan-5": "2001:660:4406:185:5::1d",
+      "kavlan-6": "2001:660:4406:186:5::1d",
+      "kavlan-7": "2001:660:4406:187:5::1d",
+      "kavlan-8": "2001:660:4406:188:5::1d",
+      "kavlan-9": "2001:660:4406:189:5::1d"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-3.json b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-3.json
index 2b5df732cc861ae1022324fb63c3a016daae609d..5da97aaaaa653ebc875263962756cef39571aec6 100644
--- a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-3.json
+++ b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-3.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.5.65.3"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:181:5::3",
+      "kavlan-11": "2001:660:4406:18b:5::3",
+      "kavlan-12": "2001:660:4406:18c:5::3",
+      "kavlan-13": "2001:660:4406:18d:5::3",
+      "kavlan-14": "2001:660:4406:18e:5::3",
+      "kavlan-16": "2001:660:4406:190:5::3",
+      "kavlan-18": "2001:660:4406:192:5::3",
+      "kavlan-2": "2001:660:4406:182:5::3",
+      "kavlan-20": "2001:660:4406:194:5::3",
+      "kavlan-21": "2001:660:4406:195:5::3",
+      "kavlan-3": "2001:660:4406:183:5::3",
+      "kavlan-4": "2001:660:4406:184:5::3",
+      "kavlan-5": "2001:660:4406:185:5::3",
+      "kavlan-6": "2001:660:4406:186:5::3",
+      "kavlan-7": "2001:660:4406:187:5::3",
+      "kavlan-8": "2001:660:4406:188:5::3",
+      "kavlan-9": "2001:660:4406:189:5::3"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-30.json b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-30.json
index e0dd34ac8f3725bfa8e5c0f91dc9ebde1ee9c922..2200a178ddf71a8eeb222d91cb122eed44b27f3d 100644
--- a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-30.json
+++ b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-30.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.5.65.30"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:181:5::1e",
+      "kavlan-11": "2001:660:4406:18b:5::1e",
+      "kavlan-12": "2001:660:4406:18c:5::1e",
+      "kavlan-13": "2001:660:4406:18d:5::1e",
+      "kavlan-14": "2001:660:4406:18e:5::1e",
+      "kavlan-16": "2001:660:4406:190:5::1e",
+      "kavlan-18": "2001:660:4406:192:5::1e",
+      "kavlan-2": "2001:660:4406:182:5::1e",
+      "kavlan-20": "2001:660:4406:194:5::1e",
+      "kavlan-21": "2001:660:4406:195:5::1e",
+      "kavlan-3": "2001:660:4406:183:5::1e",
+      "kavlan-4": "2001:660:4406:184:5::1e",
+      "kavlan-5": "2001:660:4406:185:5::1e",
+      "kavlan-6": "2001:660:4406:186:5::1e",
+      "kavlan-7": "2001:660:4406:187:5::1e",
+      "kavlan-8": "2001:660:4406:188:5::1e",
+      "kavlan-9": "2001:660:4406:189:5::1e"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-31.json b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-31.json
index 8064f15f86bd5c8a2a9c368b6f3709772687ef4d..4cb7bd0fbc05fd6c7ea9db821286e7c4ad2957e0 100644
--- a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-31.json
+++ b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-31.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.5.65.31"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:181:5::1f",
+      "kavlan-11": "2001:660:4406:18b:5::1f",
+      "kavlan-12": "2001:660:4406:18c:5::1f",
+      "kavlan-13": "2001:660:4406:18d:5::1f",
+      "kavlan-14": "2001:660:4406:18e:5::1f",
+      "kavlan-16": "2001:660:4406:190:5::1f",
+      "kavlan-18": "2001:660:4406:192:5::1f",
+      "kavlan-2": "2001:660:4406:182:5::1f",
+      "kavlan-20": "2001:660:4406:194:5::1f",
+      "kavlan-21": "2001:660:4406:195:5::1f",
+      "kavlan-3": "2001:660:4406:183:5::1f",
+      "kavlan-4": "2001:660:4406:184:5::1f",
+      "kavlan-5": "2001:660:4406:185:5::1f",
+      "kavlan-6": "2001:660:4406:186:5::1f",
+      "kavlan-7": "2001:660:4406:187:5::1f",
+      "kavlan-8": "2001:660:4406:188:5::1f",
+      "kavlan-9": "2001:660:4406:189:5::1f"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-32.json b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-32.json
index 92d8fb2d09a2a8e538d2a3d66c3010484cbfe73a..19bb5a1e3a33ba9daeb3e33caf8be92c106f5ed6 100644
--- a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-32.json
+++ b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-32.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.5.65.32"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:181:5::20",
+      "kavlan-11": "2001:660:4406:18b:5::20",
+      "kavlan-12": "2001:660:4406:18c:5::20",
+      "kavlan-13": "2001:660:4406:18d:5::20",
+      "kavlan-14": "2001:660:4406:18e:5::20",
+      "kavlan-16": "2001:660:4406:190:5::20",
+      "kavlan-18": "2001:660:4406:192:5::20",
+      "kavlan-2": "2001:660:4406:182:5::20",
+      "kavlan-20": "2001:660:4406:194:5::20",
+      "kavlan-21": "2001:660:4406:195:5::20",
+      "kavlan-3": "2001:660:4406:183:5::20",
+      "kavlan-4": "2001:660:4406:184:5::20",
+      "kavlan-5": "2001:660:4406:185:5::20",
+      "kavlan-6": "2001:660:4406:186:5::20",
+      "kavlan-7": "2001:660:4406:187:5::20",
+      "kavlan-8": "2001:660:4406:188:5::20",
+      "kavlan-9": "2001:660:4406:189:5::20"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-4.json b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-4.json
index 3088391cf1db7bbef3452de698a8e2945b9d777e..60ab0bb48b05491f3d50e55b67e54184437ebce4 100644
--- a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-4.json
+++ b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-4.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.5.65.4"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:181:5::4",
+      "kavlan-11": "2001:660:4406:18b:5::4",
+      "kavlan-12": "2001:660:4406:18c:5::4",
+      "kavlan-13": "2001:660:4406:18d:5::4",
+      "kavlan-14": "2001:660:4406:18e:5::4",
+      "kavlan-16": "2001:660:4406:190:5::4",
+      "kavlan-18": "2001:660:4406:192:5::4",
+      "kavlan-2": "2001:660:4406:182:5::4",
+      "kavlan-20": "2001:660:4406:194:5::4",
+      "kavlan-21": "2001:660:4406:195:5::4",
+      "kavlan-3": "2001:660:4406:183:5::4",
+      "kavlan-4": "2001:660:4406:184:5::4",
+      "kavlan-5": "2001:660:4406:185:5::4",
+      "kavlan-6": "2001:660:4406:186:5::4",
+      "kavlan-7": "2001:660:4406:187:5::4",
+      "kavlan-8": "2001:660:4406:188:5::4",
+      "kavlan-9": "2001:660:4406:189:5::4"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-5.json b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-5.json
index 0739236751ae3e9df5743ef3ef61550f2144af59..5ff8b5b4defc1b38a6074162907503568f5b9276 100644
--- a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-5.json
+++ b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-5.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.5.65.5"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:181:5::5",
+      "kavlan-11": "2001:660:4406:18b:5::5",
+      "kavlan-12": "2001:660:4406:18c:5::5",
+      "kavlan-13": "2001:660:4406:18d:5::5",
+      "kavlan-14": "2001:660:4406:18e:5::5",
+      "kavlan-16": "2001:660:4406:190:5::5",
+      "kavlan-18": "2001:660:4406:192:5::5",
+      "kavlan-2": "2001:660:4406:182:5::5",
+      "kavlan-20": "2001:660:4406:194:5::5",
+      "kavlan-21": "2001:660:4406:195:5::5",
+      "kavlan-3": "2001:660:4406:183:5::5",
+      "kavlan-4": "2001:660:4406:184:5::5",
+      "kavlan-5": "2001:660:4406:185:5::5",
+      "kavlan-6": "2001:660:4406:186:5::5",
+      "kavlan-7": "2001:660:4406:187:5::5",
+      "kavlan-8": "2001:660:4406:188:5::5",
+      "kavlan-9": "2001:660:4406:189:5::5"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-6.json b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-6.json
index 3fb8a7b250529c127835467f0265653454431623..de1319c48b9fb2ee851d5ffddf69f13be266cb81 100644
--- a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-6.json
+++ b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-6.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.5.65.6"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:181:5::6",
+      "kavlan-11": "2001:660:4406:18b:5::6",
+      "kavlan-12": "2001:660:4406:18c:5::6",
+      "kavlan-13": "2001:660:4406:18d:5::6",
+      "kavlan-14": "2001:660:4406:18e:5::6",
+      "kavlan-16": "2001:660:4406:190:5::6",
+      "kavlan-18": "2001:660:4406:192:5::6",
+      "kavlan-2": "2001:660:4406:182:5::6",
+      "kavlan-20": "2001:660:4406:194:5::6",
+      "kavlan-21": "2001:660:4406:195:5::6",
+      "kavlan-3": "2001:660:4406:183:5::6",
+      "kavlan-4": "2001:660:4406:184:5::6",
+      "kavlan-5": "2001:660:4406:185:5::6",
+      "kavlan-6": "2001:660:4406:186:5::6",
+      "kavlan-7": "2001:660:4406:187:5::6",
+      "kavlan-8": "2001:660:4406:188:5::6",
+      "kavlan-9": "2001:660:4406:189:5::6"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-7.json b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-7.json
index e8f277bc94349270f07d5fddcdf6509a14434708..e65011f5f544a2d46bbddec8fdc8bf96ea31d619 100644
--- a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-7.json
+++ b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-7.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.5.65.7"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:181:5::7",
+      "kavlan-11": "2001:660:4406:18b:5::7",
+      "kavlan-12": "2001:660:4406:18c:5::7",
+      "kavlan-13": "2001:660:4406:18d:5::7",
+      "kavlan-14": "2001:660:4406:18e:5::7",
+      "kavlan-16": "2001:660:4406:190:5::7",
+      "kavlan-18": "2001:660:4406:192:5::7",
+      "kavlan-2": "2001:660:4406:182:5::7",
+      "kavlan-20": "2001:660:4406:194:5::7",
+      "kavlan-21": "2001:660:4406:195:5::7",
+      "kavlan-3": "2001:660:4406:183:5::7",
+      "kavlan-4": "2001:660:4406:184:5::7",
+      "kavlan-5": "2001:660:4406:185:5::7",
+      "kavlan-6": "2001:660:4406:186:5::7",
+      "kavlan-7": "2001:660:4406:187:5::7",
+      "kavlan-8": "2001:660:4406:188:5::7",
+      "kavlan-9": "2001:660:4406:189:5::7"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-8.json b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-8.json
index 25cbaef484022135be8147b670f1de074808c1d8..eb5883fa1266451d0731c9b3d1fbda266b4742cc 100644
--- a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-8.json
+++ b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-8.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.5.65.8"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:181:5::8",
+      "kavlan-11": "2001:660:4406:18b:5::8",
+      "kavlan-12": "2001:660:4406:18c:5::8",
+      "kavlan-13": "2001:660:4406:18d:5::8",
+      "kavlan-14": "2001:660:4406:18e:5::8",
+      "kavlan-16": "2001:660:4406:190:5::8",
+      "kavlan-18": "2001:660:4406:192:5::8",
+      "kavlan-2": "2001:660:4406:182:5::8",
+      "kavlan-20": "2001:660:4406:194:5::8",
+      "kavlan-21": "2001:660:4406:195:5::8",
+      "kavlan-3": "2001:660:4406:183:5::8",
+      "kavlan-4": "2001:660:4406:184:5::8",
+      "kavlan-5": "2001:660:4406:185:5::8",
+      "kavlan-6": "2001:660:4406:186:5::8",
+      "kavlan-7": "2001:660:4406:187:5::8",
+      "kavlan-8": "2001:660:4406:188:5::8",
+      "kavlan-9": "2001:660:4406:189:5::8"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-9.json b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-9.json
index b99cdc02d609f74abfb582fd5de1296277800ca1..c40984ab1b5ed1d85d5d05917d4428b1f5fcf048 100644
--- a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-9.json
+++ b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-9.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.5.65.9"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:181:5::9",
+      "kavlan-11": "2001:660:4406:18b:5::9",
+      "kavlan-12": "2001:660:4406:18c:5::9",
+      "kavlan-13": "2001:660:4406:18d:5::9",
+      "kavlan-14": "2001:660:4406:18e:5::9",
+      "kavlan-16": "2001:660:4406:190:5::9",
+      "kavlan-18": "2001:660:4406:192:5::9",
+      "kavlan-2": "2001:660:4406:182:5::9",
+      "kavlan-20": "2001:660:4406:194:5::9",
+      "kavlan-21": "2001:660:4406:195:5::9",
+      "kavlan-3": "2001:660:4406:183:5::9",
+      "kavlan-4": "2001:660:4406:184:5::9",
+      "kavlan-5": "2001:660:4406:185:5::9",
+      "kavlan-6": "2001:660:4406:186:5::9",
+      "kavlan-7": "2001:660:4406:187:5::9",
+      "kavlan-8": "2001:660:4406:188:5::9",
+      "kavlan-9": "2001:660:4406:189:5::9"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/grenoble/clusters/troll/nodes/troll-1.json b/data/grid5000/sites/grenoble/clusters/troll/nodes/troll-1.json
index 7ecc830c14f7619286a7f39591b24c405cb1e904..5065f07cbeaaa1c0ab22324099ce3f7ee29720e9 100644
--- a/data/grid5000/sites/grenoble/clusters/troll/nodes/troll-1.json
+++ b/data/grid5000/sites/grenoble/clusters/troll/nodes/troll-1.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.5.66.1"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:181:7::1",
+      "kavlan-11": "2001:660:4406:18b:7::1",
+      "kavlan-12": "2001:660:4406:18c:7::1",
+      "kavlan-13": "2001:660:4406:18d:7::1",
+      "kavlan-14": "2001:660:4406:18e:7::1",
+      "kavlan-16": "2001:660:4406:190:7::1",
+      "kavlan-18": "2001:660:4406:192:7::1",
+      "kavlan-2": "2001:660:4406:182:7::1",
+      "kavlan-20": "2001:660:4406:194:7::1",
+      "kavlan-21": "2001:660:4406:195:7::1",
+      "kavlan-3": "2001:660:4406:183:7::1",
+      "kavlan-4": "2001:660:4406:184:7::1",
+      "kavlan-5": "2001:660:4406:185:7::1",
+      "kavlan-6": "2001:660:4406:186:7::1",
+      "kavlan-7": "2001:660:4406:187:7::1",
+      "kavlan-8": "2001:660:4406:188:7::1",
+      "kavlan-9": "2001:660:4406:189:7::1"
+    }
+  },
   "main_memory": {
     "pmem_size": 1649267441664,
     "ram_size": 412316860416
diff --git a/data/grid5000/sites/grenoble/clusters/troll/nodes/troll-2.json b/data/grid5000/sites/grenoble/clusters/troll/nodes/troll-2.json
index 9447ed6efb6e2e497014b304e65c3d0f9c35e893..a3fb9f6dbb8f9050213ff16c8bc24ec5bfb82634 100644
--- a/data/grid5000/sites/grenoble/clusters/troll/nodes/troll-2.json
+++ b/data/grid5000/sites/grenoble/clusters/troll/nodes/troll-2.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.5.66.2"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:181:7::2",
+      "kavlan-11": "2001:660:4406:18b:7::2",
+      "kavlan-12": "2001:660:4406:18c:7::2",
+      "kavlan-13": "2001:660:4406:18d:7::2",
+      "kavlan-14": "2001:660:4406:18e:7::2",
+      "kavlan-16": "2001:660:4406:190:7::2",
+      "kavlan-18": "2001:660:4406:192:7::2",
+      "kavlan-2": "2001:660:4406:182:7::2",
+      "kavlan-20": "2001:660:4406:194:7::2",
+      "kavlan-21": "2001:660:4406:195:7::2",
+      "kavlan-3": "2001:660:4406:183:7::2",
+      "kavlan-4": "2001:660:4406:184:7::2",
+      "kavlan-5": "2001:660:4406:185:7::2",
+      "kavlan-6": "2001:660:4406:186:7::2",
+      "kavlan-7": "2001:660:4406:187:7::2",
+      "kavlan-8": "2001:660:4406:188:7::2",
+      "kavlan-9": "2001:660:4406:189:7::2"
+    }
+  },
   "main_memory": {
     "pmem_size": 1649267441664,
     "ram_size": 412316860416
diff --git a/data/grid5000/sites/grenoble/clusters/troll/nodes/troll-3.json b/data/grid5000/sites/grenoble/clusters/troll/nodes/troll-3.json
index b02b5222d125d6c23ebd61dbf8f3b053e70e8f1c..90bf5c86a373a7c249e17d06aaef40da9ee3162b 100644
--- a/data/grid5000/sites/grenoble/clusters/troll/nodes/troll-3.json
+++ b/data/grid5000/sites/grenoble/clusters/troll/nodes/troll-3.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.5.66.3"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:181:7::3",
+      "kavlan-11": "2001:660:4406:18b:7::3",
+      "kavlan-12": "2001:660:4406:18c:7::3",
+      "kavlan-13": "2001:660:4406:18d:7::3",
+      "kavlan-14": "2001:660:4406:18e:7::3",
+      "kavlan-16": "2001:660:4406:190:7::3",
+      "kavlan-18": "2001:660:4406:192:7::3",
+      "kavlan-2": "2001:660:4406:182:7::3",
+      "kavlan-20": "2001:660:4406:194:7::3",
+      "kavlan-21": "2001:660:4406:195:7::3",
+      "kavlan-3": "2001:660:4406:183:7::3",
+      "kavlan-4": "2001:660:4406:184:7::3",
+      "kavlan-5": "2001:660:4406:185:7::3",
+      "kavlan-6": "2001:660:4406:186:7::3",
+      "kavlan-7": "2001:660:4406:187:7::3",
+      "kavlan-8": "2001:660:4406:188:7::3",
+      "kavlan-9": "2001:660:4406:189:7::3"
+    }
+  },
   "main_memory": {
     "pmem_size": 1649267441664,
     "ram_size": 412316860416
diff --git a/data/grid5000/sites/grenoble/clusters/troll/nodes/troll-4.json b/data/grid5000/sites/grenoble/clusters/troll/nodes/troll-4.json
index e7d7983e074400b729f6553ce76da373e21af2f4..97b1786d0a249b7ffa2cc4ae78d85ce76efa5d75 100644
--- a/data/grid5000/sites/grenoble/clusters/troll/nodes/troll-4.json
+++ b/data/grid5000/sites/grenoble/clusters/troll/nodes/troll-4.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.5.66.4"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:181:7::4",
+      "kavlan-11": "2001:660:4406:18b:7::4",
+      "kavlan-12": "2001:660:4406:18c:7::4",
+      "kavlan-13": "2001:660:4406:18d:7::4",
+      "kavlan-14": "2001:660:4406:18e:7::4",
+      "kavlan-16": "2001:660:4406:190:7::4",
+      "kavlan-18": "2001:660:4406:192:7::4",
+      "kavlan-2": "2001:660:4406:182:7::4",
+      "kavlan-20": "2001:660:4406:194:7::4",
+      "kavlan-21": "2001:660:4406:195:7::4",
+      "kavlan-3": "2001:660:4406:183:7::4",
+      "kavlan-4": "2001:660:4406:184:7::4",
+      "kavlan-5": "2001:660:4406:185:7::4",
+      "kavlan-6": "2001:660:4406:186:7::4",
+      "kavlan-7": "2001:660:4406:187:7::4",
+      "kavlan-8": "2001:660:4406:188:7::4",
+      "kavlan-9": "2001:660:4406:189:7::4"
+    }
+  },
   "main_memory": {
     "pmem_size": 1649267441664,
     "ram_size": 412316860416
diff --git a/data/grid5000/sites/grenoble/clusters/yeti/nodes/yeti-1.json b/data/grid5000/sites/grenoble/clusters/yeti/nodes/yeti-1.json
index 3ffc36ee9f82602b2d5a0bede3b570ad161a5f91..3543ad87eb220dbea5c7997293184224075b25ed 100644
--- a/data/grid5000/sites/grenoble/clusters/yeti/nodes/yeti-1.json
+++ b/data/grid5000/sites/grenoble/clusters/yeti/nodes/yeti-1.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.5.64.1"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:181:4::1",
+      "kavlan-11": "2001:660:4406:18b:4::1",
+      "kavlan-12": "2001:660:4406:18c:4::1",
+      "kavlan-13": "2001:660:4406:18d:4::1",
+      "kavlan-14": "2001:660:4406:18e:4::1",
+      "kavlan-16": "2001:660:4406:190:4::1",
+      "kavlan-18": "2001:660:4406:192:4::1",
+      "kavlan-2": "2001:660:4406:182:4::1",
+      "kavlan-20": "2001:660:4406:194:4::1",
+      "kavlan-21": "2001:660:4406:195:4::1",
+      "kavlan-3": "2001:660:4406:183:4::1",
+      "kavlan-4": "2001:660:4406:184:4::1",
+      "kavlan-5": "2001:660:4406:185:4::1",
+      "kavlan-6": "2001:660:4406:186:4::1",
+      "kavlan-7": "2001:660:4406:187:4::1",
+      "kavlan-8": "2001:660:4406:188:4::1",
+      "kavlan-9": "2001:660:4406:189:4::1"
+    }
+  },
   "main_memory": {
     "ram_size": 824633720832
   },
diff --git a/data/grid5000/sites/grenoble/clusters/yeti/nodes/yeti-2.json b/data/grid5000/sites/grenoble/clusters/yeti/nodes/yeti-2.json
index 63982172d3e77db44a6d4a0184c8fc4b533160da..1e0581eff6e535350566c487071a35447f69934a 100644
--- a/data/grid5000/sites/grenoble/clusters/yeti/nodes/yeti-2.json
+++ b/data/grid5000/sites/grenoble/clusters/yeti/nodes/yeti-2.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.5.64.2"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:181:4::2",
+      "kavlan-11": "2001:660:4406:18b:4::2",
+      "kavlan-12": "2001:660:4406:18c:4::2",
+      "kavlan-13": "2001:660:4406:18d:4::2",
+      "kavlan-14": "2001:660:4406:18e:4::2",
+      "kavlan-16": "2001:660:4406:190:4::2",
+      "kavlan-18": "2001:660:4406:192:4::2",
+      "kavlan-2": "2001:660:4406:182:4::2",
+      "kavlan-20": "2001:660:4406:194:4::2",
+      "kavlan-21": "2001:660:4406:195:4::2",
+      "kavlan-3": "2001:660:4406:183:4::2",
+      "kavlan-4": "2001:660:4406:184:4::2",
+      "kavlan-5": "2001:660:4406:185:4::2",
+      "kavlan-6": "2001:660:4406:186:4::2",
+      "kavlan-7": "2001:660:4406:187:4::2",
+      "kavlan-8": "2001:660:4406:188:4::2",
+      "kavlan-9": "2001:660:4406:189:4::2"
+    }
+  },
   "main_memory": {
     "ram_size": 824633720832
   },
diff --git a/data/grid5000/sites/grenoble/clusters/yeti/nodes/yeti-3.json b/data/grid5000/sites/grenoble/clusters/yeti/nodes/yeti-3.json
index 1138b84b6f4232ed5abc866f1a7c3fc864df7057..c8b141a50edca16ade5b063a39b232438097400b 100644
--- a/data/grid5000/sites/grenoble/clusters/yeti/nodes/yeti-3.json
+++ b/data/grid5000/sites/grenoble/clusters/yeti/nodes/yeti-3.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.5.64.3"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:181:4::3",
+      "kavlan-11": "2001:660:4406:18b:4::3",
+      "kavlan-12": "2001:660:4406:18c:4::3",
+      "kavlan-13": "2001:660:4406:18d:4::3",
+      "kavlan-14": "2001:660:4406:18e:4::3",
+      "kavlan-16": "2001:660:4406:190:4::3",
+      "kavlan-18": "2001:660:4406:192:4::3",
+      "kavlan-2": "2001:660:4406:182:4::3",
+      "kavlan-20": "2001:660:4406:194:4::3",
+      "kavlan-21": "2001:660:4406:195:4::3",
+      "kavlan-3": "2001:660:4406:183:4::3",
+      "kavlan-4": "2001:660:4406:184:4::3",
+      "kavlan-5": "2001:660:4406:185:4::3",
+      "kavlan-6": "2001:660:4406:186:4::3",
+      "kavlan-7": "2001:660:4406:187:4::3",
+      "kavlan-8": "2001:660:4406:188:4::3",
+      "kavlan-9": "2001:660:4406:189:4::3"
+    }
+  },
   "main_memory": {
     "ram_size": 824633720832
   },
diff --git a/data/grid5000/sites/grenoble/clusters/yeti/nodes/yeti-4.json b/data/grid5000/sites/grenoble/clusters/yeti/nodes/yeti-4.json
index 63ff6d51a01be54f71fa3d0558f8954c0b170d0d..3443c2c9221e4c7cf6003fae479082e12415a7cd 100644
--- a/data/grid5000/sites/grenoble/clusters/yeti/nodes/yeti-4.json
+++ b/data/grid5000/sites/grenoble/clusters/yeti/nodes/yeti-4.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.5.64.4"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:181:4::4",
+      "kavlan-11": "2001:660:4406:18b:4::4",
+      "kavlan-12": "2001:660:4406:18c:4::4",
+      "kavlan-13": "2001:660:4406:18d:4::4",
+      "kavlan-14": "2001:660:4406:18e:4::4",
+      "kavlan-16": "2001:660:4406:190:4::4",
+      "kavlan-18": "2001:660:4406:192:4::4",
+      "kavlan-2": "2001:660:4406:182:4::4",
+      "kavlan-20": "2001:660:4406:194:4::4",
+      "kavlan-21": "2001:660:4406:195:4::4",
+      "kavlan-3": "2001:660:4406:183:4::4",
+      "kavlan-4": "2001:660:4406:184:4::4",
+      "kavlan-5": "2001:660:4406:185:4::4",
+      "kavlan-6": "2001:660:4406:186:4::4",
+      "kavlan-7": "2001:660:4406:187:4::4",
+      "kavlan-8": "2001:660:4406:188:4::4",
+      "kavlan-9": "2001:660:4406:189:4::4"
+    }
+  },
   "main_memory": {
     "ram_size": 824633720832
   },
diff --git a/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-1.json b/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-1.json
index 0480d26672bedd5060949ccad05db80875bd77b9..885f04ca9c2c4a030141799d46b63ff518f5c0d0 100644
--- a/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-1.json
+++ b/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-1.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.9.65.1"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:281:6::1",
+      "kavlan-11": "2001:660:4406:28b:6::1",
+      "kavlan-12": "2001:660:4406:28c:6::1",
+      "kavlan-13": "2001:660:4406:28d:6::1",
+      "kavlan-14": "2001:660:4406:28e:6::1",
+      "kavlan-16": "2001:660:4406:290:6::1",
+      "kavlan-18": "2001:660:4406:292:6::1",
+      "kavlan-2": "2001:660:4406:282:6::1",
+      "kavlan-20": "2001:660:4406:294:6::1",
+      "kavlan-21": "2001:660:4406:295:6::1",
+      "kavlan-3": "2001:660:4406:283:6::1",
+      "kavlan-4": "2001:660:4406:284:6::1",
+      "kavlan-5": "2001:660:4406:285:6::1",
+      "kavlan-6": "2001:660:4406:286:6::1",
+      "kavlan-7": "2001:660:4406:287:6::1",
+      "kavlan-8": "2001:660:4406:288:6::1",
+      "kavlan-9": "2001:660:4406:289:6::1"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:281:6:1::1",
+      "kavlan-11": "2001:660:4406:28b:6:1::1",
+      "kavlan-12": "2001:660:4406:28c:6:1::1",
+      "kavlan-13": "2001:660:4406:28d:6:1::1",
+      "kavlan-14": "2001:660:4406:28e:6:1::1",
+      "kavlan-16": "2001:660:4406:290:6:1::1",
+      "kavlan-18": "2001:660:4406:292:6:1::1",
+      "kavlan-2": "2001:660:4406:282:6:1::1",
+      "kavlan-20": "2001:660:4406:294:6:1::1",
+      "kavlan-21": "2001:660:4406:295:6:1::1",
+      "kavlan-3": "2001:660:4406:283:6:1::1",
+      "kavlan-4": "2001:660:4406:284:6:1::1",
+      "kavlan-5": "2001:660:4406:285:6:1::1",
+      "kavlan-6": "2001:660:4406:286:6:1::1",
+      "kavlan-7": "2001:660:4406:287:6:1::1",
+      "kavlan-8": "2001:660:4406:288:6:1::1",
+      "kavlan-9": "2001:660:4406:289:6:1::1"
+    }
+  },
   "main_memory": {
     "ram_size": 274877906944
   },
@@ -92,6 +132,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:200:6:1::1",
       "kavlan": true,
       "mac": "24:6e:96:2c:97:d2",
       "management": false,
diff --git a/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-10.json b/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-10.json
index f41f6a199d1363f5e693e4910e3468e2709bf3ad..4cad9e0ab157dae8469bb328985c911ed0673b45 100644
--- a/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-10.json
+++ b/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-10.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.9.65.10"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:281:6::a",
+      "kavlan-11": "2001:660:4406:28b:6::a",
+      "kavlan-12": "2001:660:4406:28c:6::a",
+      "kavlan-13": "2001:660:4406:28d:6::a",
+      "kavlan-14": "2001:660:4406:28e:6::a",
+      "kavlan-16": "2001:660:4406:290:6::a",
+      "kavlan-18": "2001:660:4406:292:6::a",
+      "kavlan-2": "2001:660:4406:282:6::a",
+      "kavlan-20": "2001:660:4406:294:6::a",
+      "kavlan-21": "2001:660:4406:295:6::a",
+      "kavlan-3": "2001:660:4406:283:6::a",
+      "kavlan-4": "2001:660:4406:284:6::a",
+      "kavlan-5": "2001:660:4406:285:6::a",
+      "kavlan-6": "2001:660:4406:286:6::a",
+      "kavlan-7": "2001:660:4406:287:6::a",
+      "kavlan-8": "2001:660:4406:288:6::a",
+      "kavlan-9": "2001:660:4406:289:6::a"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:281:6:1::a",
+      "kavlan-11": "2001:660:4406:28b:6:1::a",
+      "kavlan-12": "2001:660:4406:28c:6:1::a",
+      "kavlan-13": "2001:660:4406:28d:6:1::a",
+      "kavlan-14": "2001:660:4406:28e:6:1::a",
+      "kavlan-16": "2001:660:4406:290:6:1::a",
+      "kavlan-18": "2001:660:4406:292:6:1::a",
+      "kavlan-2": "2001:660:4406:282:6:1::a",
+      "kavlan-20": "2001:660:4406:294:6:1::a",
+      "kavlan-21": "2001:660:4406:295:6:1::a",
+      "kavlan-3": "2001:660:4406:283:6:1::a",
+      "kavlan-4": "2001:660:4406:284:6:1::a",
+      "kavlan-5": "2001:660:4406:285:6:1::a",
+      "kavlan-6": "2001:660:4406:286:6:1::a",
+      "kavlan-7": "2001:660:4406:287:6:1::a",
+      "kavlan-8": "2001:660:4406:288:6:1::a",
+      "kavlan-9": "2001:660:4406:289:6:1::a"
+    }
+  },
   "main_memory": {
     "ram_size": 274877906944
   },
@@ -92,6 +132,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:200:6:1::a",
       "kavlan": true,
       "mac": "24:6e:96:2c:9a:4a",
       "management": false,
diff --git a/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-11.json b/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-11.json
index 4bed0ce646cfae19bd64528405e795936cc4c492..31fa67f2596fe05761c2750021e262b22c62ff43 100644
--- a/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-11.json
+++ b/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-11.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.9.65.11"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:281:6::b",
+      "kavlan-11": "2001:660:4406:28b:6::b",
+      "kavlan-12": "2001:660:4406:28c:6::b",
+      "kavlan-13": "2001:660:4406:28d:6::b",
+      "kavlan-14": "2001:660:4406:28e:6::b",
+      "kavlan-16": "2001:660:4406:290:6::b",
+      "kavlan-18": "2001:660:4406:292:6::b",
+      "kavlan-2": "2001:660:4406:282:6::b",
+      "kavlan-20": "2001:660:4406:294:6::b",
+      "kavlan-21": "2001:660:4406:295:6::b",
+      "kavlan-3": "2001:660:4406:283:6::b",
+      "kavlan-4": "2001:660:4406:284:6::b",
+      "kavlan-5": "2001:660:4406:285:6::b",
+      "kavlan-6": "2001:660:4406:286:6::b",
+      "kavlan-7": "2001:660:4406:287:6::b",
+      "kavlan-8": "2001:660:4406:288:6::b",
+      "kavlan-9": "2001:660:4406:289:6::b"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:281:6:1::b",
+      "kavlan-11": "2001:660:4406:28b:6:1::b",
+      "kavlan-12": "2001:660:4406:28c:6:1::b",
+      "kavlan-13": "2001:660:4406:28d:6:1::b",
+      "kavlan-14": "2001:660:4406:28e:6:1::b",
+      "kavlan-16": "2001:660:4406:290:6:1::b",
+      "kavlan-18": "2001:660:4406:292:6:1::b",
+      "kavlan-2": "2001:660:4406:282:6:1::b",
+      "kavlan-20": "2001:660:4406:294:6:1::b",
+      "kavlan-21": "2001:660:4406:295:6:1::b",
+      "kavlan-3": "2001:660:4406:283:6:1::b",
+      "kavlan-4": "2001:660:4406:284:6:1::b",
+      "kavlan-5": "2001:660:4406:285:6:1::b",
+      "kavlan-6": "2001:660:4406:286:6:1::b",
+      "kavlan-7": "2001:660:4406:287:6:1::b",
+      "kavlan-8": "2001:660:4406:288:6:1::b",
+      "kavlan-9": "2001:660:4406:289:6:1::b"
+    }
+  },
   "main_memory": {
     "ram_size": 274877906944
   },
@@ -92,6 +132,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:200:6:1::b",
       "kavlan": true,
       "mac": "24:6e:96:2c:be:da",
       "management": false,
diff --git a/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-12.json b/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-12.json
index 37cd00327e4189e65d546f186aff5cad0e2a0c6b..d013e9a64f1a41ccd5a921e20efb040c1fd940e3 100644
--- a/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-12.json
+++ b/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-12.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.9.65.12"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:281:6::c",
+      "kavlan-11": "2001:660:4406:28b:6::c",
+      "kavlan-12": "2001:660:4406:28c:6::c",
+      "kavlan-13": "2001:660:4406:28d:6::c",
+      "kavlan-14": "2001:660:4406:28e:6::c",
+      "kavlan-16": "2001:660:4406:290:6::c",
+      "kavlan-18": "2001:660:4406:292:6::c",
+      "kavlan-2": "2001:660:4406:282:6::c",
+      "kavlan-20": "2001:660:4406:294:6::c",
+      "kavlan-21": "2001:660:4406:295:6::c",
+      "kavlan-3": "2001:660:4406:283:6::c",
+      "kavlan-4": "2001:660:4406:284:6::c",
+      "kavlan-5": "2001:660:4406:285:6::c",
+      "kavlan-6": "2001:660:4406:286:6::c",
+      "kavlan-7": "2001:660:4406:287:6::c",
+      "kavlan-8": "2001:660:4406:288:6::c",
+      "kavlan-9": "2001:660:4406:289:6::c"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:281:6:1::c",
+      "kavlan-11": "2001:660:4406:28b:6:1::c",
+      "kavlan-12": "2001:660:4406:28c:6:1::c",
+      "kavlan-13": "2001:660:4406:28d:6:1::c",
+      "kavlan-14": "2001:660:4406:28e:6:1::c",
+      "kavlan-16": "2001:660:4406:290:6:1::c",
+      "kavlan-18": "2001:660:4406:292:6:1::c",
+      "kavlan-2": "2001:660:4406:282:6:1::c",
+      "kavlan-20": "2001:660:4406:294:6:1::c",
+      "kavlan-21": "2001:660:4406:295:6:1::c",
+      "kavlan-3": "2001:660:4406:283:6:1::c",
+      "kavlan-4": "2001:660:4406:284:6:1::c",
+      "kavlan-5": "2001:660:4406:285:6:1::c",
+      "kavlan-6": "2001:660:4406:286:6:1::c",
+      "kavlan-7": "2001:660:4406:287:6:1::c",
+      "kavlan-8": "2001:660:4406:288:6:1::c",
+      "kavlan-9": "2001:660:4406:289:6:1::c"
+    }
+  },
   "main_memory": {
     "ram_size": 274877906944
   },
@@ -92,6 +132,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:200:6:1::c",
       "kavlan": true,
       "mac": "24:6e:96:2c:bc:b2",
       "management": false,
diff --git a/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-13.json b/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-13.json
index 45c3578b1e87d29c8c4ae0639b067bc41ecad6d8..9f0abe60e7291b6304347caa2e6276c63da066ee 100644
--- a/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-13.json
+++ b/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-13.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.9.65.13"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:281:6::d",
+      "kavlan-11": "2001:660:4406:28b:6::d",
+      "kavlan-12": "2001:660:4406:28c:6::d",
+      "kavlan-13": "2001:660:4406:28d:6::d",
+      "kavlan-14": "2001:660:4406:28e:6::d",
+      "kavlan-16": "2001:660:4406:290:6::d",
+      "kavlan-18": "2001:660:4406:292:6::d",
+      "kavlan-2": "2001:660:4406:282:6::d",
+      "kavlan-20": "2001:660:4406:294:6::d",
+      "kavlan-21": "2001:660:4406:295:6::d",
+      "kavlan-3": "2001:660:4406:283:6::d",
+      "kavlan-4": "2001:660:4406:284:6::d",
+      "kavlan-5": "2001:660:4406:285:6::d",
+      "kavlan-6": "2001:660:4406:286:6::d",
+      "kavlan-7": "2001:660:4406:287:6::d",
+      "kavlan-8": "2001:660:4406:288:6::d",
+      "kavlan-9": "2001:660:4406:289:6::d"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:281:6:1::d",
+      "kavlan-11": "2001:660:4406:28b:6:1::d",
+      "kavlan-12": "2001:660:4406:28c:6:1::d",
+      "kavlan-13": "2001:660:4406:28d:6:1::d",
+      "kavlan-14": "2001:660:4406:28e:6:1::d",
+      "kavlan-16": "2001:660:4406:290:6:1::d",
+      "kavlan-18": "2001:660:4406:292:6:1::d",
+      "kavlan-2": "2001:660:4406:282:6:1::d",
+      "kavlan-20": "2001:660:4406:294:6:1::d",
+      "kavlan-21": "2001:660:4406:295:6:1::d",
+      "kavlan-3": "2001:660:4406:283:6:1::d",
+      "kavlan-4": "2001:660:4406:284:6:1::d",
+      "kavlan-5": "2001:660:4406:285:6:1::d",
+      "kavlan-6": "2001:660:4406:286:6:1::d",
+      "kavlan-7": "2001:660:4406:287:6:1::d",
+      "kavlan-8": "2001:660:4406:288:6:1::d",
+      "kavlan-9": "2001:660:4406:289:6:1::d"
+    }
+  },
   "main_memory": {
     "ram_size": 274877906944
   },
@@ -92,6 +132,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:200:6:1::d",
       "kavlan": true,
       "mac": "24:6e:96:2c:85:ca",
       "management": false,
diff --git a/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-14.json b/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-14.json
index a884afaf29ec13bd3b20cdb9721a7ca0ecdea512..c80b805caec2996f996cbcb8990f9f8f2e0118ff 100644
--- a/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-14.json
+++ b/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-14.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.9.65.14"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:281:6::e",
+      "kavlan-11": "2001:660:4406:28b:6::e",
+      "kavlan-12": "2001:660:4406:28c:6::e",
+      "kavlan-13": "2001:660:4406:28d:6::e",
+      "kavlan-14": "2001:660:4406:28e:6::e",
+      "kavlan-16": "2001:660:4406:290:6::e",
+      "kavlan-18": "2001:660:4406:292:6::e",
+      "kavlan-2": "2001:660:4406:282:6::e",
+      "kavlan-20": "2001:660:4406:294:6::e",
+      "kavlan-21": "2001:660:4406:295:6::e",
+      "kavlan-3": "2001:660:4406:283:6::e",
+      "kavlan-4": "2001:660:4406:284:6::e",
+      "kavlan-5": "2001:660:4406:285:6::e",
+      "kavlan-6": "2001:660:4406:286:6::e",
+      "kavlan-7": "2001:660:4406:287:6::e",
+      "kavlan-8": "2001:660:4406:288:6::e",
+      "kavlan-9": "2001:660:4406:289:6::e"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:281:6:1::e",
+      "kavlan-11": "2001:660:4406:28b:6:1::e",
+      "kavlan-12": "2001:660:4406:28c:6:1::e",
+      "kavlan-13": "2001:660:4406:28d:6:1::e",
+      "kavlan-14": "2001:660:4406:28e:6:1::e",
+      "kavlan-16": "2001:660:4406:290:6:1::e",
+      "kavlan-18": "2001:660:4406:292:6:1::e",
+      "kavlan-2": "2001:660:4406:282:6:1::e",
+      "kavlan-20": "2001:660:4406:294:6:1::e",
+      "kavlan-21": "2001:660:4406:295:6:1::e",
+      "kavlan-3": "2001:660:4406:283:6:1::e",
+      "kavlan-4": "2001:660:4406:284:6:1::e",
+      "kavlan-5": "2001:660:4406:285:6:1::e",
+      "kavlan-6": "2001:660:4406:286:6:1::e",
+      "kavlan-7": "2001:660:4406:287:6:1::e",
+      "kavlan-8": "2001:660:4406:288:6:1::e",
+      "kavlan-9": "2001:660:4406:289:6:1::e"
+    }
+  },
   "main_memory": {
     "ram_size": 274877906944
   },
@@ -92,6 +132,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:200:6:1::e",
       "kavlan": true,
       "mac": "24:6e:96:2c:be:8a",
       "management": false,
diff --git a/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-15.json b/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-15.json
index 367b53f70ab1f50ec5029d92e349d7665a51d35f..93e963106ab334b0428a77d17a16ac83b30d862e 100644
--- a/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-15.json
+++ b/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-15.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.9.65.15"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:281:6::f",
+      "kavlan-11": "2001:660:4406:28b:6::f",
+      "kavlan-12": "2001:660:4406:28c:6::f",
+      "kavlan-13": "2001:660:4406:28d:6::f",
+      "kavlan-14": "2001:660:4406:28e:6::f",
+      "kavlan-16": "2001:660:4406:290:6::f",
+      "kavlan-18": "2001:660:4406:292:6::f",
+      "kavlan-2": "2001:660:4406:282:6::f",
+      "kavlan-20": "2001:660:4406:294:6::f",
+      "kavlan-21": "2001:660:4406:295:6::f",
+      "kavlan-3": "2001:660:4406:283:6::f",
+      "kavlan-4": "2001:660:4406:284:6::f",
+      "kavlan-5": "2001:660:4406:285:6::f",
+      "kavlan-6": "2001:660:4406:286:6::f",
+      "kavlan-7": "2001:660:4406:287:6::f",
+      "kavlan-8": "2001:660:4406:288:6::f",
+      "kavlan-9": "2001:660:4406:289:6::f"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:281:6:1::f",
+      "kavlan-11": "2001:660:4406:28b:6:1::f",
+      "kavlan-12": "2001:660:4406:28c:6:1::f",
+      "kavlan-13": "2001:660:4406:28d:6:1::f",
+      "kavlan-14": "2001:660:4406:28e:6:1::f",
+      "kavlan-16": "2001:660:4406:290:6:1::f",
+      "kavlan-18": "2001:660:4406:292:6:1::f",
+      "kavlan-2": "2001:660:4406:282:6:1::f",
+      "kavlan-20": "2001:660:4406:294:6:1::f",
+      "kavlan-21": "2001:660:4406:295:6:1::f",
+      "kavlan-3": "2001:660:4406:283:6:1::f",
+      "kavlan-4": "2001:660:4406:284:6:1::f",
+      "kavlan-5": "2001:660:4406:285:6:1::f",
+      "kavlan-6": "2001:660:4406:286:6:1::f",
+      "kavlan-7": "2001:660:4406:287:6:1::f",
+      "kavlan-8": "2001:660:4406:288:6:1::f",
+      "kavlan-9": "2001:660:4406:289:6:1::f"
+    }
+  },
   "main_memory": {
     "ram_size": 274877906944
   },
@@ -92,6 +132,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:200:6:1::f",
       "kavlan": true,
       "mac": "24:6e:96:2c:c0:52",
       "management": false,
diff --git a/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-2.json b/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-2.json
index 87da666220677ce71bc63c0ee7896445f216e147..ddbf88fabd245710f0684149df8887cec46aeb51 100644
--- a/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-2.json
+++ b/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-2.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.9.65.2"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:281:6::2",
+      "kavlan-11": "2001:660:4406:28b:6::2",
+      "kavlan-12": "2001:660:4406:28c:6::2",
+      "kavlan-13": "2001:660:4406:28d:6::2",
+      "kavlan-14": "2001:660:4406:28e:6::2",
+      "kavlan-16": "2001:660:4406:290:6::2",
+      "kavlan-18": "2001:660:4406:292:6::2",
+      "kavlan-2": "2001:660:4406:282:6::2",
+      "kavlan-20": "2001:660:4406:294:6::2",
+      "kavlan-21": "2001:660:4406:295:6::2",
+      "kavlan-3": "2001:660:4406:283:6::2",
+      "kavlan-4": "2001:660:4406:284:6::2",
+      "kavlan-5": "2001:660:4406:285:6::2",
+      "kavlan-6": "2001:660:4406:286:6::2",
+      "kavlan-7": "2001:660:4406:287:6::2",
+      "kavlan-8": "2001:660:4406:288:6::2",
+      "kavlan-9": "2001:660:4406:289:6::2"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:281:6:1::2",
+      "kavlan-11": "2001:660:4406:28b:6:1::2",
+      "kavlan-12": "2001:660:4406:28c:6:1::2",
+      "kavlan-13": "2001:660:4406:28d:6:1::2",
+      "kavlan-14": "2001:660:4406:28e:6:1::2",
+      "kavlan-16": "2001:660:4406:290:6:1::2",
+      "kavlan-18": "2001:660:4406:292:6:1::2",
+      "kavlan-2": "2001:660:4406:282:6:1::2",
+      "kavlan-20": "2001:660:4406:294:6:1::2",
+      "kavlan-21": "2001:660:4406:295:6:1::2",
+      "kavlan-3": "2001:660:4406:283:6:1::2",
+      "kavlan-4": "2001:660:4406:284:6:1::2",
+      "kavlan-5": "2001:660:4406:285:6:1::2",
+      "kavlan-6": "2001:660:4406:286:6:1::2",
+      "kavlan-7": "2001:660:4406:287:6:1::2",
+      "kavlan-8": "2001:660:4406:288:6:1::2",
+      "kavlan-9": "2001:660:4406:289:6:1::2"
+    }
+  },
   "main_memory": {
     "ram_size": 274877906944
   },
@@ -92,6 +132,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:200:6:1::2",
       "kavlan": true,
       "mac": "24:6e:96:2c:a5:82",
       "management": false,
diff --git a/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-3.json b/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-3.json
index 72b6100a0b0f6f875e57144ab9cb0b6026eacf77..6a0ffd30b178857928985b5b69425097490e0f69 100644
--- a/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-3.json
+++ b/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-3.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.9.65.3"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:281:6::3",
+      "kavlan-11": "2001:660:4406:28b:6::3",
+      "kavlan-12": "2001:660:4406:28c:6::3",
+      "kavlan-13": "2001:660:4406:28d:6::3",
+      "kavlan-14": "2001:660:4406:28e:6::3",
+      "kavlan-16": "2001:660:4406:290:6::3",
+      "kavlan-18": "2001:660:4406:292:6::3",
+      "kavlan-2": "2001:660:4406:282:6::3",
+      "kavlan-20": "2001:660:4406:294:6::3",
+      "kavlan-21": "2001:660:4406:295:6::3",
+      "kavlan-3": "2001:660:4406:283:6::3",
+      "kavlan-4": "2001:660:4406:284:6::3",
+      "kavlan-5": "2001:660:4406:285:6::3",
+      "kavlan-6": "2001:660:4406:286:6::3",
+      "kavlan-7": "2001:660:4406:287:6::3",
+      "kavlan-8": "2001:660:4406:288:6::3",
+      "kavlan-9": "2001:660:4406:289:6::3"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:281:6:1::3",
+      "kavlan-11": "2001:660:4406:28b:6:1::3",
+      "kavlan-12": "2001:660:4406:28c:6:1::3",
+      "kavlan-13": "2001:660:4406:28d:6:1::3",
+      "kavlan-14": "2001:660:4406:28e:6:1::3",
+      "kavlan-16": "2001:660:4406:290:6:1::3",
+      "kavlan-18": "2001:660:4406:292:6:1::3",
+      "kavlan-2": "2001:660:4406:282:6:1::3",
+      "kavlan-20": "2001:660:4406:294:6:1::3",
+      "kavlan-21": "2001:660:4406:295:6:1::3",
+      "kavlan-3": "2001:660:4406:283:6:1::3",
+      "kavlan-4": "2001:660:4406:284:6:1::3",
+      "kavlan-5": "2001:660:4406:285:6:1::3",
+      "kavlan-6": "2001:660:4406:286:6:1::3",
+      "kavlan-7": "2001:660:4406:287:6:1::3",
+      "kavlan-8": "2001:660:4406:288:6:1::3",
+      "kavlan-9": "2001:660:4406:289:6:1::3"
+    }
+  },
   "main_memory": {
     "ram_size": 274877906944
   },
@@ -92,6 +132,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:200:6:1::3",
       "kavlan": true,
       "mac": "24:6e:96:2c:85:4a",
       "management": false,
diff --git a/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-4.json b/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-4.json
index 0f39edae0f42220808fc2a2bce4f2dde864b0b99..5837db06d843ac15c03aa9f6b667361a98cf6c18 100644
--- a/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-4.json
+++ b/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-4.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.9.65.4"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:281:6::4",
+      "kavlan-11": "2001:660:4406:28b:6::4",
+      "kavlan-12": "2001:660:4406:28c:6::4",
+      "kavlan-13": "2001:660:4406:28d:6::4",
+      "kavlan-14": "2001:660:4406:28e:6::4",
+      "kavlan-16": "2001:660:4406:290:6::4",
+      "kavlan-18": "2001:660:4406:292:6::4",
+      "kavlan-2": "2001:660:4406:282:6::4",
+      "kavlan-20": "2001:660:4406:294:6::4",
+      "kavlan-21": "2001:660:4406:295:6::4",
+      "kavlan-3": "2001:660:4406:283:6::4",
+      "kavlan-4": "2001:660:4406:284:6::4",
+      "kavlan-5": "2001:660:4406:285:6::4",
+      "kavlan-6": "2001:660:4406:286:6::4",
+      "kavlan-7": "2001:660:4406:287:6::4",
+      "kavlan-8": "2001:660:4406:288:6::4",
+      "kavlan-9": "2001:660:4406:289:6::4"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:281:6:1::4",
+      "kavlan-11": "2001:660:4406:28b:6:1::4",
+      "kavlan-12": "2001:660:4406:28c:6:1::4",
+      "kavlan-13": "2001:660:4406:28d:6:1::4",
+      "kavlan-14": "2001:660:4406:28e:6:1::4",
+      "kavlan-16": "2001:660:4406:290:6:1::4",
+      "kavlan-18": "2001:660:4406:292:6:1::4",
+      "kavlan-2": "2001:660:4406:282:6:1::4",
+      "kavlan-20": "2001:660:4406:294:6:1::4",
+      "kavlan-21": "2001:660:4406:295:6:1::4",
+      "kavlan-3": "2001:660:4406:283:6:1::4",
+      "kavlan-4": "2001:660:4406:284:6:1::4",
+      "kavlan-5": "2001:660:4406:285:6:1::4",
+      "kavlan-6": "2001:660:4406:286:6:1::4",
+      "kavlan-7": "2001:660:4406:287:6:1::4",
+      "kavlan-8": "2001:660:4406:288:6:1::4",
+      "kavlan-9": "2001:660:4406:289:6:1::4"
+    }
+  },
   "main_memory": {
     "ram_size": 274877906944
   },
@@ -92,6 +132,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:200:6:1::4",
       "kavlan": true,
       "mac": "24:6e:96:2c:98:b2",
       "management": false,
diff --git a/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-5.json b/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-5.json
index 4dd6595ce4b16672dccf726b1f961a9f8f3fbb32..26e81961531675c676b715f2d6331d50995fb751 100644
--- a/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-5.json
+++ b/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-5.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.9.65.5"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:281:6::5",
+      "kavlan-11": "2001:660:4406:28b:6::5",
+      "kavlan-12": "2001:660:4406:28c:6::5",
+      "kavlan-13": "2001:660:4406:28d:6::5",
+      "kavlan-14": "2001:660:4406:28e:6::5",
+      "kavlan-16": "2001:660:4406:290:6::5",
+      "kavlan-18": "2001:660:4406:292:6::5",
+      "kavlan-2": "2001:660:4406:282:6::5",
+      "kavlan-20": "2001:660:4406:294:6::5",
+      "kavlan-21": "2001:660:4406:295:6::5",
+      "kavlan-3": "2001:660:4406:283:6::5",
+      "kavlan-4": "2001:660:4406:284:6::5",
+      "kavlan-5": "2001:660:4406:285:6::5",
+      "kavlan-6": "2001:660:4406:286:6::5",
+      "kavlan-7": "2001:660:4406:287:6::5",
+      "kavlan-8": "2001:660:4406:288:6::5",
+      "kavlan-9": "2001:660:4406:289:6::5"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:281:6:1::5",
+      "kavlan-11": "2001:660:4406:28b:6:1::5",
+      "kavlan-12": "2001:660:4406:28c:6:1::5",
+      "kavlan-13": "2001:660:4406:28d:6:1::5",
+      "kavlan-14": "2001:660:4406:28e:6:1::5",
+      "kavlan-16": "2001:660:4406:290:6:1::5",
+      "kavlan-18": "2001:660:4406:292:6:1::5",
+      "kavlan-2": "2001:660:4406:282:6:1::5",
+      "kavlan-20": "2001:660:4406:294:6:1::5",
+      "kavlan-21": "2001:660:4406:295:6:1::5",
+      "kavlan-3": "2001:660:4406:283:6:1::5",
+      "kavlan-4": "2001:660:4406:284:6:1::5",
+      "kavlan-5": "2001:660:4406:285:6:1::5",
+      "kavlan-6": "2001:660:4406:286:6:1::5",
+      "kavlan-7": "2001:660:4406:287:6:1::5",
+      "kavlan-8": "2001:660:4406:288:6:1::5",
+      "kavlan-9": "2001:660:4406:289:6:1::5"
+    }
+  },
   "main_memory": {
     "ram_size": 274877906944
   },
@@ -92,6 +132,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:200:6:1::5",
       "kavlan": true,
       "mac": "24:6e:96:2c:b5:42",
       "management": false,
diff --git a/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-6.json b/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-6.json
index 5b5c6327906cb5859384bb9375e647da98579528..e28aa47b10a1ef421a93570d1601c48ac2257ceb 100644
--- a/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-6.json
+++ b/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-6.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.9.65.6"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:281:6::6",
+      "kavlan-11": "2001:660:4406:28b:6::6",
+      "kavlan-12": "2001:660:4406:28c:6::6",
+      "kavlan-13": "2001:660:4406:28d:6::6",
+      "kavlan-14": "2001:660:4406:28e:6::6",
+      "kavlan-16": "2001:660:4406:290:6::6",
+      "kavlan-18": "2001:660:4406:292:6::6",
+      "kavlan-2": "2001:660:4406:282:6::6",
+      "kavlan-20": "2001:660:4406:294:6::6",
+      "kavlan-21": "2001:660:4406:295:6::6",
+      "kavlan-3": "2001:660:4406:283:6::6",
+      "kavlan-4": "2001:660:4406:284:6::6",
+      "kavlan-5": "2001:660:4406:285:6::6",
+      "kavlan-6": "2001:660:4406:286:6::6",
+      "kavlan-7": "2001:660:4406:287:6::6",
+      "kavlan-8": "2001:660:4406:288:6::6",
+      "kavlan-9": "2001:660:4406:289:6::6"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:281:6:1::6",
+      "kavlan-11": "2001:660:4406:28b:6:1::6",
+      "kavlan-12": "2001:660:4406:28c:6:1::6",
+      "kavlan-13": "2001:660:4406:28d:6:1::6",
+      "kavlan-14": "2001:660:4406:28e:6:1::6",
+      "kavlan-16": "2001:660:4406:290:6:1::6",
+      "kavlan-18": "2001:660:4406:292:6:1::6",
+      "kavlan-2": "2001:660:4406:282:6:1::6",
+      "kavlan-20": "2001:660:4406:294:6:1::6",
+      "kavlan-21": "2001:660:4406:295:6:1::6",
+      "kavlan-3": "2001:660:4406:283:6:1::6",
+      "kavlan-4": "2001:660:4406:284:6:1::6",
+      "kavlan-5": "2001:660:4406:285:6:1::6",
+      "kavlan-6": "2001:660:4406:286:6:1::6",
+      "kavlan-7": "2001:660:4406:287:6:1::6",
+      "kavlan-8": "2001:660:4406:288:6:1::6",
+      "kavlan-9": "2001:660:4406:289:6:1::6"
+    }
+  },
   "main_memory": {
     "ram_size": 274877906944
   },
@@ -92,6 +132,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:200:6:1::6",
       "kavlan": true,
       "mac": "24:6e:96:2c:a6:12",
       "management": false,
diff --git a/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-7.json b/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-7.json
index 07d710f8f43d7b7fbc851423b2ec3b5b4a0f3ada..e825b0ad0a3895409365f246a323e1548cff38e1 100644
--- a/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-7.json
+++ b/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-7.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.9.65.7"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:281:6::7",
+      "kavlan-11": "2001:660:4406:28b:6::7",
+      "kavlan-12": "2001:660:4406:28c:6::7",
+      "kavlan-13": "2001:660:4406:28d:6::7",
+      "kavlan-14": "2001:660:4406:28e:6::7",
+      "kavlan-16": "2001:660:4406:290:6::7",
+      "kavlan-18": "2001:660:4406:292:6::7",
+      "kavlan-2": "2001:660:4406:282:6::7",
+      "kavlan-20": "2001:660:4406:294:6::7",
+      "kavlan-21": "2001:660:4406:295:6::7",
+      "kavlan-3": "2001:660:4406:283:6::7",
+      "kavlan-4": "2001:660:4406:284:6::7",
+      "kavlan-5": "2001:660:4406:285:6::7",
+      "kavlan-6": "2001:660:4406:286:6::7",
+      "kavlan-7": "2001:660:4406:287:6::7",
+      "kavlan-8": "2001:660:4406:288:6::7",
+      "kavlan-9": "2001:660:4406:289:6::7"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:281:6:1::7",
+      "kavlan-11": "2001:660:4406:28b:6:1::7",
+      "kavlan-12": "2001:660:4406:28c:6:1::7",
+      "kavlan-13": "2001:660:4406:28d:6:1::7",
+      "kavlan-14": "2001:660:4406:28e:6:1::7",
+      "kavlan-16": "2001:660:4406:290:6:1::7",
+      "kavlan-18": "2001:660:4406:292:6:1::7",
+      "kavlan-2": "2001:660:4406:282:6:1::7",
+      "kavlan-20": "2001:660:4406:294:6:1::7",
+      "kavlan-21": "2001:660:4406:295:6:1::7",
+      "kavlan-3": "2001:660:4406:283:6:1::7",
+      "kavlan-4": "2001:660:4406:284:6:1::7",
+      "kavlan-5": "2001:660:4406:285:6:1::7",
+      "kavlan-6": "2001:660:4406:286:6:1::7",
+      "kavlan-7": "2001:660:4406:287:6:1::7",
+      "kavlan-8": "2001:660:4406:288:6:1::7",
+      "kavlan-9": "2001:660:4406:289:6:1::7"
+    }
+  },
   "main_memory": {
     "ram_size": 274877906944
   },
@@ -92,6 +132,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:200:6:1::7",
       "kavlan": true,
       "mac": "24:6e:96:2c:7b:52",
       "management": false,
diff --git a/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-8.json b/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-8.json
index 70933a58d4e96b697dd73d54ae318a7eea76f328..0ec3f3f5d39e239b1da10be4c4b50c78ab8cdda3 100644
--- a/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-8.json
+++ b/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-8.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.9.65.8"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:281:6::8",
+      "kavlan-11": "2001:660:4406:28b:6::8",
+      "kavlan-12": "2001:660:4406:28c:6::8",
+      "kavlan-13": "2001:660:4406:28d:6::8",
+      "kavlan-14": "2001:660:4406:28e:6::8",
+      "kavlan-16": "2001:660:4406:290:6::8",
+      "kavlan-18": "2001:660:4406:292:6::8",
+      "kavlan-2": "2001:660:4406:282:6::8",
+      "kavlan-20": "2001:660:4406:294:6::8",
+      "kavlan-21": "2001:660:4406:295:6::8",
+      "kavlan-3": "2001:660:4406:283:6::8",
+      "kavlan-4": "2001:660:4406:284:6::8",
+      "kavlan-5": "2001:660:4406:285:6::8",
+      "kavlan-6": "2001:660:4406:286:6::8",
+      "kavlan-7": "2001:660:4406:287:6::8",
+      "kavlan-8": "2001:660:4406:288:6::8",
+      "kavlan-9": "2001:660:4406:289:6::8"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:281:6:1::8",
+      "kavlan-11": "2001:660:4406:28b:6:1::8",
+      "kavlan-12": "2001:660:4406:28c:6:1::8",
+      "kavlan-13": "2001:660:4406:28d:6:1::8",
+      "kavlan-14": "2001:660:4406:28e:6:1::8",
+      "kavlan-16": "2001:660:4406:290:6:1::8",
+      "kavlan-18": "2001:660:4406:292:6:1::8",
+      "kavlan-2": "2001:660:4406:282:6:1::8",
+      "kavlan-20": "2001:660:4406:294:6:1::8",
+      "kavlan-21": "2001:660:4406:295:6:1::8",
+      "kavlan-3": "2001:660:4406:283:6:1::8",
+      "kavlan-4": "2001:660:4406:284:6:1::8",
+      "kavlan-5": "2001:660:4406:285:6:1::8",
+      "kavlan-6": "2001:660:4406:286:6:1::8",
+      "kavlan-7": "2001:660:4406:287:6:1::8",
+      "kavlan-8": "2001:660:4406:288:6:1::8",
+      "kavlan-9": "2001:660:4406:289:6:1::8"
+    }
+  },
   "main_memory": {
     "ram_size": 274877906944
   },
@@ -92,6 +132,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:200:6:1::8",
       "kavlan": true,
       "mac": "24:6e:96:2c:98:2a",
       "management": false,
diff --git a/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-9.json b/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-9.json
index ae09f705c80155c4455286b52f86f38980b15131..8de201ea8d8049726d02e1912a828b5d1902b6b9 100644
--- a/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-9.json
+++ b/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-9.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.9.65.9"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:281:6::9",
+      "kavlan-11": "2001:660:4406:28b:6::9",
+      "kavlan-12": "2001:660:4406:28c:6::9",
+      "kavlan-13": "2001:660:4406:28d:6::9",
+      "kavlan-14": "2001:660:4406:28e:6::9",
+      "kavlan-16": "2001:660:4406:290:6::9",
+      "kavlan-18": "2001:660:4406:292:6::9",
+      "kavlan-2": "2001:660:4406:282:6::9",
+      "kavlan-20": "2001:660:4406:294:6::9",
+      "kavlan-21": "2001:660:4406:295:6::9",
+      "kavlan-3": "2001:660:4406:283:6::9",
+      "kavlan-4": "2001:660:4406:284:6::9",
+      "kavlan-5": "2001:660:4406:285:6::9",
+      "kavlan-6": "2001:660:4406:286:6::9",
+      "kavlan-7": "2001:660:4406:287:6::9",
+      "kavlan-8": "2001:660:4406:288:6::9",
+      "kavlan-9": "2001:660:4406:289:6::9"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:281:6:1::9",
+      "kavlan-11": "2001:660:4406:28b:6:1::9",
+      "kavlan-12": "2001:660:4406:28c:6:1::9",
+      "kavlan-13": "2001:660:4406:28d:6:1::9",
+      "kavlan-14": "2001:660:4406:28e:6:1::9",
+      "kavlan-16": "2001:660:4406:290:6:1::9",
+      "kavlan-18": "2001:660:4406:292:6:1::9",
+      "kavlan-2": "2001:660:4406:282:6:1::9",
+      "kavlan-20": "2001:660:4406:294:6:1::9",
+      "kavlan-21": "2001:660:4406:295:6:1::9",
+      "kavlan-3": "2001:660:4406:283:6:1::9",
+      "kavlan-4": "2001:660:4406:284:6:1::9",
+      "kavlan-5": "2001:660:4406:285:6:1::9",
+      "kavlan-6": "2001:660:4406:286:6:1::9",
+      "kavlan-7": "2001:660:4406:287:6:1::9",
+      "kavlan-8": "2001:660:4406:288:6:1::9",
+      "kavlan-9": "2001:660:4406:289:6:1::9"
+    }
+  },
   "main_memory": {
     "ram_size": 274877906944
   },
@@ -92,6 +132,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:200:6:1::9",
       "kavlan": true,
       "mac": "24:6e:96:2c:a8:82",
       "management": false,
diff --git a/data/grid5000/sites/lille/clusters/chiclet/nodes/chiclet-1.json b/data/grid5000/sites/lille/clusters/chiclet/nodes/chiclet-1.json
index bf20d74b098d087d51cfe079c5e447e21bf95d77..8135be358dd3ac8d940b5642bf688f145e2221d6 100644
--- a/data/grid5000/sites/lille/clusters/chiclet/nodes/chiclet-1.json
+++ b/data/grid5000/sites/lille/clusters/chiclet/nodes/chiclet-1.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.9.71.9"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:281:8::1",
+      "kavlan-11": "2001:660:4406:28b:8::1",
+      "kavlan-12": "2001:660:4406:28c:8::1",
+      "kavlan-13": "2001:660:4406:28d:8::1",
+      "kavlan-14": "2001:660:4406:28e:8::1",
+      "kavlan-16": "2001:660:4406:290:8::1",
+      "kavlan-18": "2001:660:4406:292:8::1",
+      "kavlan-2": "2001:660:4406:282:8::1",
+      "kavlan-20": "2001:660:4406:294:8::1",
+      "kavlan-21": "2001:660:4406:295:8::1",
+      "kavlan-3": "2001:660:4406:283:8::1",
+      "kavlan-4": "2001:660:4406:284:8::1",
+      "kavlan-5": "2001:660:4406:285:8::1",
+      "kavlan-6": "2001:660:4406:286:8::1",
+      "kavlan-7": "2001:660:4406:287:8::1",
+      "kavlan-8": "2001:660:4406:288:8::1",
+      "kavlan-9": "2001:660:4406:289:8::1"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:281:8:1::1",
+      "kavlan-11": "2001:660:4406:28b:8:1::1",
+      "kavlan-12": "2001:660:4406:28c:8:1::1",
+      "kavlan-13": "2001:660:4406:28d:8:1::1",
+      "kavlan-14": "2001:660:4406:28e:8:1::1",
+      "kavlan-16": "2001:660:4406:290:8:1::1",
+      "kavlan-18": "2001:660:4406:292:8:1::1",
+      "kavlan-2": "2001:660:4406:282:8:1::1",
+      "kavlan-20": "2001:660:4406:294:8:1::1",
+      "kavlan-21": "2001:660:4406:295:8:1::1",
+      "kavlan-3": "2001:660:4406:283:8:1::1",
+      "kavlan-4": "2001:660:4406:284:8:1::1",
+      "kavlan-5": "2001:660:4406:285:8:1::1",
+      "kavlan-6": "2001:660:4406:286:8:1::1",
+      "kavlan-7": "2001:660:4406:287:8:1::1",
+      "kavlan-8": "2001:660:4406:288:8:1::1",
+      "kavlan-9": "2001:660:4406:289:8:1::1"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -92,6 +132,7 @@
       "enabled": true,
       "firmware_version": "7.10 0x800051ac 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:200:8:1::1",
       "kavlan": true,
       "mac": "3c:fd:fe:c1:63:41",
       "management": false,
diff --git a/data/grid5000/sites/lille/clusters/chiclet/nodes/chiclet-2.json b/data/grid5000/sites/lille/clusters/chiclet/nodes/chiclet-2.json
index 888827727e33ee527726f064cda10dda62c78a93..521e1fb34769fb03788ecef7f793ea54c6b5be9b 100644
--- a/data/grid5000/sites/lille/clusters/chiclet/nodes/chiclet-2.json
+++ b/data/grid5000/sites/lille/clusters/chiclet/nodes/chiclet-2.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.9.71.10"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:281:8::2",
+      "kavlan-11": "2001:660:4406:28b:8::2",
+      "kavlan-12": "2001:660:4406:28c:8::2",
+      "kavlan-13": "2001:660:4406:28d:8::2",
+      "kavlan-14": "2001:660:4406:28e:8::2",
+      "kavlan-16": "2001:660:4406:290:8::2",
+      "kavlan-18": "2001:660:4406:292:8::2",
+      "kavlan-2": "2001:660:4406:282:8::2",
+      "kavlan-20": "2001:660:4406:294:8::2",
+      "kavlan-21": "2001:660:4406:295:8::2",
+      "kavlan-3": "2001:660:4406:283:8::2",
+      "kavlan-4": "2001:660:4406:284:8::2",
+      "kavlan-5": "2001:660:4406:285:8::2",
+      "kavlan-6": "2001:660:4406:286:8::2",
+      "kavlan-7": "2001:660:4406:287:8::2",
+      "kavlan-8": "2001:660:4406:288:8::2",
+      "kavlan-9": "2001:660:4406:289:8::2"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:281:8:1::2",
+      "kavlan-11": "2001:660:4406:28b:8:1::2",
+      "kavlan-12": "2001:660:4406:28c:8:1::2",
+      "kavlan-13": "2001:660:4406:28d:8:1::2",
+      "kavlan-14": "2001:660:4406:28e:8:1::2",
+      "kavlan-16": "2001:660:4406:290:8:1::2",
+      "kavlan-18": "2001:660:4406:292:8:1::2",
+      "kavlan-2": "2001:660:4406:282:8:1::2",
+      "kavlan-20": "2001:660:4406:294:8:1::2",
+      "kavlan-21": "2001:660:4406:295:8:1::2",
+      "kavlan-3": "2001:660:4406:283:8:1::2",
+      "kavlan-4": "2001:660:4406:284:8:1::2",
+      "kavlan-5": "2001:660:4406:285:8:1::2",
+      "kavlan-6": "2001:660:4406:286:8:1::2",
+      "kavlan-7": "2001:660:4406:287:8:1::2",
+      "kavlan-8": "2001:660:4406:288:8:1::2",
+      "kavlan-9": "2001:660:4406:289:8:1::2"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -92,6 +132,7 @@
       "enabled": true,
       "firmware_version": "7.10 0x800051ac 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:200:8:1::2",
       "kavlan": true,
       "mac": "3c:fd:fe:c1:72:c1",
       "management": false,
diff --git a/data/grid5000/sites/lille/clusters/chiclet/nodes/chiclet-3.json b/data/grid5000/sites/lille/clusters/chiclet/nodes/chiclet-3.json
index 1e604f097b0937f6ece73191fcd3166b0b3f7417..e2ccfed227620553bbb5a6ce3b42bf508afb4e37 100644
--- a/data/grid5000/sites/lille/clusters/chiclet/nodes/chiclet-3.json
+++ b/data/grid5000/sites/lille/clusters/chiclet/nodes/chiclet-3.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.9.71.11"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:281:8::3",
+      "kavlan-11": "2001:660:4406:28b:8::3",
+      "kavlan-12": "2001:660:4406:28c:8::3",
+      "kavlan-13": "2001:660:4406:28d:8::3",
+      "kavlan-14": "2001:660:4406:28e:8::3",
+      "kavlan-16": "2001:660:4406:290:8::3",
+      "kavlan-18": "2001:660:4406:292:8::3",
+      "kavlan-2": "2001:660:4406:282:8::3",
+      "kavlan-20": "2001:660:4406:294:8::3",
+      "kavlan-21": "2001:660:4406:295:8::3",
+      "kavlan-3": "2001:660:4406:283:8::3",
+      "kavlan-4": "2001:660:4406:284:8::3",
+      "kavlan-5": "2001:660:4406:285:8::3",
+      "kavlan-6": "2001:660:4406:286:8::3",
+      "kavlan-7": "2001:660:4406:287:8::3",
+      "kavlan-8": "2001:660:4406:288:8::3",
+      "kavlan-9": "2001:660:4406:289:8::3"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:281:8:1::3",
+      "kavlan-11": "2001:660:4406:28b:8:1::3",
+      "kavlan-12": "2001:660:4406:28c:8:1::3",
+      "kavlan-13": "2001:660:4406:28d:8:1::3",
+      "kavlan-14": "2001:660:4406:28e:8:1::3",
+      "kavlan-16": "2001:660:4406:290:8:1::3",
+      "kavlan-18": "2001:660:4406:292:8:1::3",
+      "kavlan-2": "2001:660:4406:282:8:1::3",
+      "kavlan-20": "2001:660:4406:294:8:1::3",
+      "kavlan-21": "2001:660:4406:295:8:1::3",
+      "kavlan-3": "2001:660:4406:283:8:1::3",
+      "kavlan-4": "2001:660:4406:284:8:1::3",
+      "kavlan-5": "2001:660:4406:285:8:1::3",
+      "kavlan-6": "2001:660:4406:286:8:1::3",
+      "kavlan-7": "2001:660:4406:287:8:1::3",
+      "kavlan-8": "2001:660:4406:288:8:1::3",
+      "kavlan-9": "2001:660:4406:289:8:1::3"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -92,6 +132,7 @@
       "enabled": true,
       "firmware_version": "7.10 0x800051ac 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:200:8:1::3",
       "kavlan": true,
       "mac": "3c:fd:fe:c1:75:d1",
       "management": false,
diff --git a/data/grid5000/sites/lille/clusters/chiclet/nodes/chiclet-4.json b/data/grid5000/sites/lille/clusters/chiclet/nodes/chiclet-4.json
index 14855cc574cd914eb4ad7f67bbf33c5e332af9ad..a8022e34eeea334c8f3c213521d38257d6f28644 100644
--- a/data/grid5000/sites/lille/clusters/chiclet/nodes/chiclet-4.json
+++ b/data/grid5000/sites/lille/clusters/chiclet/nodes/chiclet-4.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.9.71.12"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:281:8::4",
+      "kavlan-11": "2001:660:4406:28b:8::4",
+      "kavlan-12": "2001:660:4406:28c:8::4",
+      "kavlan-13": "2001:660:4406:28d:8::4",
+      "kavlan-14": "2001:660:4406:28e:8::4",
+      "kavlan-16": "2001:660:4406:290:8::4",
+      "kavlan-18": "2001:660:4406:292:8::4",
+      "kavlan-2": "2001:660:4406:282:8::4",
+      "kavlan-20": "2001:660:4406:294:8::4",
+      "kavlan-21": "2001:660:4406:295:8::4",
+      "kavlan-3": "2001:660:4406:283:8::4",
+      "kavlan-4": "2001:660:4406:284:8::4",
+      "kavlan-5": "2001:660:4406:285:8::4",
+      "kavlan-6": "2001:660:4406:286:8::4",
+      "kavlan-7": "2001:660:4406:287:8::4",
+      "kavlan-8": "2001:660:4406:288:8::4",
+      "kavlan-9": "2001:660:4406:289:8::4"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:281:8:1::4",
+      "kavlan-11": "2001:660:4406:28b:8:1::4",
+      "kavlan-12": "2001:660:4406:28c:8:1::4",
+      "kavlan-13": "2001:660:4406:28d:8:1::4",
+      "kavlan-14": "2001:660:4406:28e:8:1::4",
+      "kavlan-16": "2001:660:4406:290:8:1::4",
+      "kavlan-18": "2001:660:4406:292:8:1::4",
+      "kavlan-2": "2001:660:4406:282:8:1::4",
+      "kavlan-20": "2001:660:4406:294:8:1::4",
+      "kavlan-21": "2001:660:4406:295:8:1::4",
+      "kavlan-3": "2001:660:4406:283:8:1::4",
+      "kavlan-4": "2001:660:4406:284:8:1::4",
+      "kavlan-5": "2001:660:4406:285:8:1::4",
+      "kavlan-6": "2001:660:4406:286:8:1::4",
+      "kavlan-7": "2001:660:4406:287:8:1::4",
+      "kavlan-8": "2001:660:4406:288:8:1::4",
+      "kavlan-9": "2001:660:4406:289:8:1::4"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -92,6 +132,7 @@
       "enabled": true,
       "firmware_version": "7.10 0x800051ac 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:200:8:1::4",
       "kavlan": true,
       "mac": "3c:fd:fe:c1:63:31",
       "management": false,
diff --git a/data/grid5000/sites/lille/clusters/chiclet/nodes/chiclet-5.json b/data/grid5000/sites/lille/clusters/chiclet/nodes/chiclet-5.json
index 2f0ffa2d1fb251016ce047dddcdc5fc2f0a79772..b266858b3b742c6e55dd05c719b7819caeae97bc 100644
--- a/data/grid5000/sites/lille/clusters/chiclet/nodes/chiclet-5.json
+++ b/data/grid5000/sites/lille/clusters/chiclet/nodes/chiclet-5.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.9.71.13"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:281:8::5",
+      "kavlan-11": "2001:660:4406:28b:8::5",
+      "kavlan-12": "2001:660:4406:28c:8::5",
+      "kavlan-13": "2001:660:4406:28d:8::5",
+      "kavlan-14": "2001:660:4406:28e:8::5",
+      "kavlan-16": "2001:660:4406:290:8::5",
+      "kavlan-18": "2001:660:4406:292:8::5",
+      "kavlan-2": "2001:660:4406:282:8::5",
+      "kavlan-20": "2001:660:4406:294:8::5",
+      "kavlan-21": "2001:660:4406:295:8::5",
+      "kavlan-3": "2001:660:4406:283:8::5",
+      "kavlan-4": "2001:660:4406:284:8::5",
+      "kavlan-5": "2001:660:4406:285:8::5",
+      "kavlan-6": "2001:660:4406:286:8::5",
+      "kavlan-7": "2001:660:4406:287:8::5",
+      "kavlan-8": "2001:660:4406:288:8::5",
+      "kavlan-9": "2001:660:4406:289:8::5"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:281:8:1::5",
+      "kavlan-11": "2001:660:4406:28b:8:1::5",
+      "kavlan-12": "2001:660:4406:28c:8:1::5",
+      "kavlan-13": "2001:660:4406:28d:8:1::5",
+      "kavlan-14": "2001:660:4406:28e:8:1::5",
+      "kavlan-16": "2001:660:4406:290:8:1::5",
+      "kavlan-18": "2001:660:4406:292:8:1::5",
+      "kavlan-2": "2001:660:4406:282:8:1::5",
+      "kavlan-20": "2001:660:4406:294:8:1::5",
+      "kavlan-21": "2001:660:4406:295:8:1::5",
+      "kavlan-3": "2001:660:4406:283:8:1::5",
+      "kavlan-4": "2001:660:4406:284:8:1::5",
+      "kavlan-5": "2001:660:4406:285:8:1::5",
+      "kavlan-6": "2001:660:4406:286:8:1::5",
+      "kavlan-7": "2001:660:4406:287:8:1::5",
+      "kavlan-8": "2001:660:4406:288:8:1::5",
+      "kavlan-9": "2001:660:4406:289:8:1::5"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -92,6 +132,7 @@
       "enabled": true,
       "firmware_version": "7.10 0x800051ac 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:200:8:1::5",
       "kavlan": true,
       "mac": "3c:fd:fe:c1:6f:e1",
       "management": false,
diff --git a/data/grid5000/sites/lille/clusters/chiclet/nodes/chiclet-6.json b/data/grid5000/sites/lille/clusters/chiclet/nodes/chiclet-6.json
index e02bfdb0d3899e05a01f3e9b32243edf92034101..3bc78ae7330270bb6c0d3f101f96602b5028ff8e 100644
--- a/data/grid5000/sites/lille/clusters/chiclet/nodes/chiclet-6.json
+++ b/data/grid5000/sites/lille/clusters/chiclet/nodes/chiclet-6.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.9.71.14"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:281:8::6",
+      "kavlan-11": "2001:660:4406:28b:8::6",
+      "kavlan-12": "2001:660:4406:28c:8::6",
+      "kavlan-13": "2001:660:4406:28d:8::6",
+      "kavlan-14": "2001:660:4406:28e:8::6",
+      "kavlan-16": "2001:660:4406:290:8::6",
+      "kavlan-18": "2001:660:4406:292:8::6",
+      "kavlan-2": "2001:660:4406:282:8::6",
+      "kavlan-20": "2001:660:4406:294:8::6",
+      "kavlan-21": "2001:660:4406:295:8::6",
+      "kavlan-3": "2001:660:4406:283:8::6",
+      "kavlan-4": "2001:660:4406:284:8::6",
+      "kavlan-5": "2001:660:4406:285:8::6",
+      "kavlan-6": "2001:660:4406:286:8::6",
+      "kavlan-7": "2001:660:4406:287:8::6",
+      "kavlan-8": "2001:660:4406:288:8::6",
+      "kavlan-9": "2001:660:4406:289:8::6"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:281:8:1::6",
+      "kavlan-11": "2001:660:4406:28b:8:1::6",
+      "kavlan-12": "2001:660:4406:28c:8:1::6",
+      "kavlan-13": "2001:660:4406:28d:8:1::6",
+      "kavlan-14": "2001:660:4406:28e:8:1::6",
+      "kavlan-16": "2001:660:4406:290:8:1::6",
+      "kavlan-18": "2001:660:4406:292:8:1::6",
+      "kavlan-2": "2001:660:4406:282:8:1::6",
+      "kavlan-20": "2001:660:4406:294:8:1::6",
+      "kavlan-21": "2001:660:4406:295:8:1::6",
+      "kavlan-3": "2001:660:4406:283:8:1::6",
+      "kavlan-4": "2001:660:4406:284:8:1::6",
+      "kavlan-5": "2001:660:4406:285:8:1::6",
+      "kavlan-6": "2001:660:4406:286:8:1::6",
+      "kavlan-7": "2001:660:4406:287:8:1::6",
+      "kavlan-8": "2001:660:4406:288:8:1::6",
+      "kavlan-9": "2001:660:4406:289:8:1::6"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -92,6 +132,7 @@
       "enabled": true,
       "firmware_version": "7.10 0x800051ac 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:200:8:1::6",
       "kavlan": true,
       "mac": "3c:fd:fe:c1:75:b1",
       "management": false,
diff --git a/data/grid5000/sites/lille/clusters/chiclet/nodes/chiclet-7.json b/data/grid5000/sites/lille/clusters/chiclet/nodes/chiclet-7.json
index 759e41265e2a96648cf7e5c88f53b62a08e012ad..db4f5530232956c816b5aacae607ec174f8574f8 100644
--- a/data/grid5000/sites/lille/clusters/chiclet/nodes/chiclet-7.json
+++ b/data/grid5000/sites/lille/clusters/chiclet/nodes/chiclet-7.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.9.71.15"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:281:8::7",
+      "kavlan-11": "2001:660:4406:28b:8::7",
+      "kavlan-12": "2001:660:4406:28c:8::7",
+      "kavlan-13": "2001:660:4406:28d:8::7",
+      "kavlan-14": "2001:660:4406:28e:8::7",
+      "kavlan-16": "2001:660:4406:290:8::7",
+      "kavlan-18": "2001:660:4406:292:8::7",
+      "kavlan-2": "2001:660:4406:282:8::7",
+      "kavlan-20": "2001:660:4406:294:8::7",
+      "kavlan-21": "2001:660:4406:295:8::7",
+      "kavlan-3": "2001:660:4406:283:8::7",
+      "kavlan-4": "2001:660:4406:284:8::7",
+      "kavlan-5": "2001:660:4406:285:8::7",
+      "kavlan-6": "2001:660:4406:286:8::7",
+      "kavlan-7": "2001:660:4406:287:8::7",
+      "kavlan-8": "2001:660:4406:288:8::7",
+      "kavlan-9": "2001:660:4406:289:8::7"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:281:8:1::7",
+      "kavlan-11": "2001:660:4406:28b:8:1::7",
+      "kavlan-12": "2001:660:4406:28c:8:1::7",
+      "kavlan-13": "2001:660:4406:28d:8:1::7",
+      "kavlan-14": "2001:660:4406:28e:8:1::7",
+      "kavlan-16": "2001:660:4406:290:8:1::7",
+      "kavlan-18": "2001:660:4406:292:8:1::7",
+      "kavlan-2": "2001:660:4406:282:8:1::7",
+      "kavlan-20": "2001:660:4406:294:8:1::7",
+      "kavlan-21": "2001:660:4406:295:8:1::7",
+      "kavlan-3": "2001:660:4406:283:8:1::7",
+      "kavlan-4": "2001:660:4406:284:8:1::7",
+      "kavlan-5": "2001:660:4406:285:8:1::7",
+      "kavlan-6": "2001:660:4406:286:8:1::7",
+      "kavlan-7": "2001:660:4406:287:8:1::7",
+      "kavlan-8": "2001:660:4406:288:8:1::7",
+      "kavlan-9": "2001:660:4406:289:8:1::7"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -92,6 +132,7 @@
       "enabled": true,
       "firmware_version": "7.10 0x800051ac 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:200:8:1::7",
       "kavlan": true,
       "mac": "3c:fd:fe:c1:72:d1",
       "management": false,
diff --git a/data/grid5000/sites/lille/clusters/chiclet/nodes/chiclet-8.json b/data/grid5000/sites/lille/clusters/chiclet/nodes/chiclet-8.json
index 37237b1a93add0a3b4dc52ff54dd8074c9f175e1..ada71ab877bd8b34f180263e6ec110adac01fc86 100644
--- a/data/grid5000/sites/lille/clusters/chiclet/nodes/chiclet-8.json
+++ b/data/grid5000/sites/lille/clusters/chiclet/nodes/chiclet-8.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.9.71.16"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:281:8::8",
+      "kavlan-11": "2001:660:4406:28b:8::8",
+      "kavlan-12": "2001:660:4406:28c:8::8",
+      "kavlan-13": "2001:660:4406:28d:8::8",
+      "kavlan-14": "2001:660:4406:28e:8::8",
+      "kavlan-16": "2001:660:4406:290:8::8",
+      "kavlan-18": "2001:660:4406:292:8::8",
+      "kavlan-2": "2001:660:4406:282:8::8",
+      "kavlan-20": "2001:660:4406:294:8::8",
+      "kavlan-21": "2001:660:4406:295:8::8",
+      "kavlan-3": "2001:660:4406:283:8::8",
+      "kavlan-4": "2001:660:4406:284:8::8",
+      "kavlan-5": "2001:660:4406:285:8::8",
+      "kavlan-6": "2001:660:4406:286:8::8",
+      "kavlan-7": "2001:660:4406:287:8::8",
+      "kavlan-8": "2001:660:4406:288:8::8",
+      "kavlan-9": "2001:660:4406:289:8::8"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:281:8:1::8",
+      "kavlan-11": "2001:660:4406:28b:8:1::8",
+      "kavlan-12": "2001:660:4406:28c:8:1::8",
+      "kavlan-13": "2001:660:4406:28d:8:1::8",
+      "kavlan-14": "2001:660:4406:28e:8:1::8",
+      "kavlan-16": "2001:660:4406:290:8:1::8",
+      "kavlan-18": "2001:660:4406:292:8:1::8",
+      "kavlan-2": "2001:660:4406:282:8:1::8",
+      "kavlan-20": "2001:660:4406:294:8:1::8",
+      "kavlan-21": "2001:660:4406:295:8:1::8",
+      "kavlan-3": "2001:660:4406:283:8:1::8",
+      "kavlan-4": "2001:660:4406:284:8:1::8",
+      "kavlan-5": "2001:660:4406:285:8:1::8",
+      "kavlan-6": "2001:660:4406:286:8:1::8",
+      "kavlan-7": "2001:660:4406:287:8:1::8",
+      "kavlan-8": "2001:660:4406:288:8:1::8",
+      "kavlan-9": "2001:660:4406:289:8:1::8"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -92,6 +132,7 @@
       "enabled": true,
       "firmware_version": "7.10 0x800051ac 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:200:8:1::8",
       "kavlan": true,
       "mac": "3c:fd:fe:c1:70:61",
       "management": false,
diff --git a/data/grid5000/sites/lille/clusters/chifflet/nodes/chifflet-1.json b/data/grid5000/sites/lille/clusters/chifflet/nodes/chifflet-1.json
index f2a97682c61265d4755a6f8bdec4dd8df37ac4c8..852754d3e058dcfcda2dc5f6a63e042650bf119a 100644
--- a/data/grid5000/sites/lille/clusters/chifflet/nodes/chifflet-1.json
+++ b/data/grid5000/sites/lille/clusters/chifflet/nodes/chifflet-1.json
@@ -77,6 +77,46 @@
       "kavlan-9": "10.9.67.1"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:281:7::1",
+      "kavlan-11": "2001:660:4406:28b:7::1",
+      "kavlan-12": "2001:660:4406:28c:7::1",
+      "kavlan-13": "2001:660:4406:28d:7::1",
+      "kavlan-14": "2001:660:4406:28e:7::1",
+      "kavlan-16": "2001:660:4406:290:7::1",
+      "kavlan-18": "2001:660:4406:292:7::1",
+      "kavlan-2": "2001:660:4406:282:7::1",
+      "kavlan-20": "2001:660:4406:294:7::1",
+      "kavlan-21": "2001:660:4406:295:7::1",
+      "kavlan-3": "2001:660:4406:283:7::1",
+      "kavlan-4": "2001:660:4406:284:7::1",
+      "kavlan-5": "2001:660:4406:285:7::1",
+      "kavlan-6": "2001:660:4406:286:7::1",
+      "kavlan-7": "2001:660:4406:287:7::1",
+      "kavlan-8": "2001:660:4406:288:7::1",
+      "kavlan-9": "2001:660:4406:289:7::1"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:281:7:1::1",
+      "kavlan-11": "2001:660:4406:28b:7:1::1",
+      "kavlan-12": "2001:660:4406:28c:7:1::1",
+      "kavlan-13": "2001:660:4406:28d:7:1::1",
+      "kavlan-14": "2001:660:4406:28e:7:1::1",
+      "kavlan-16": "2001:660:4406:290:7:1::1",
+      "kavlan-18": "2001:660:4406:292:7:1::1",
+      "kavlan-2": "2001:660:4406:282:7:1::1",
+      "kavlan-20": "2001:660:4406:294:7:1::1",
+      "kavlan-21": "2001:660:4406:295:7:1::1",
+      "kavlan-3": "2001:660:4406:283:7:1::1",
+      "kavlan-4": "2001:660:4406:284:7:1::1",
+      "kavlan-5": "2001:660:4406:285:7:1::1",
+      "kavlan-6": "2001:660:4406:286:7:1::1",
+      "kavlan-7": "2001:660:4406:287:7:1::1",
+      "kavlan-8": "2001:660:4406:288:7:1::1",
+      "kavlan-9": "2001:660:4406:289:7:1::1"
+    }
+  },
   "main_memory": {
     "ram_size": 824633720832
   },
@@ -112,6 +152,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:200:7:1::1",
       "kavlan": true,
       "mac": "24:6e:96:2c:be:ea",
       "management": false,
diff --git a/data/grid5000/sites/lille/clusters/chifflet/nodes/chifflet-2.json b/data/grid5000/sites/lille/clusters/chifflet/nodes/chifflet-2.json
index 3ebba9a6f5aae71e1fa33d0622bfb45daad0a636..5b00ac1ca342340bc601ea795ba3cd3ebbbeca60 100644
--- a/data/grid5000/sites/lille/clusters/chifflet/nodes/chifflet-2.json
+++ b/data/grid5000/sites/lille/clusters/chifflet/nodes/chifflet-2.json
@@ -77,6 +77,46 @@
       "kavlan-9": "10.9.67.2"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:281:7::2",
+      "kavlan-11": "2001:660:4406:28b:7::2",
+      "kavlan-12": "2001:660:4406:28c:7::2",
+      "kavlan-13": "2001:660:4406:28d:7::2",
+      "kavlan-14": "2001:660:4406:28e:7::2",
+      "kavlan-16": "2001:660:4406:290:7::2",
+      "kavlan-18": "2001:660:4406:292:7::2",
+      "kavlan-2": "2001:660:4406:282:7::2",
+      "kavlan-20": "2001:660:4406:294:7::2",
+      "kavlan-21": "2001:660:4406:295:7::2",
+      "kavlan-3": "2001:660:4406:283:7::2",
+      "kavlan-4": "2001:660:4406:284:7::2",
+      "kavlan-5": "2001:660:4406:285:7::2",
+      "kavlan-6": "2001:660:4406:286:7::2",
+      "kavlan-7": "2001:660:4406:287:7::2",
+      "kavlan-8": "2001:660:4406:288:7::2",
+      "kavlan-9": "2001:660:4406:289:7::2"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:281:7:1::2",
+      "kavlan-11": "2001:660:4406:28b:7:1::2",
+      "kavlan-12": "2001:660:4406:28c:7:1::2",
+      "kavlan-13": "2001:660:4406:28d:7:1::2",
+      "kavlan-14": "2001:660:4406:28e:7:1::2",
+      "kavlan-16": "2001:660:4406:290:7:1::2",
+      "kavlan-18": "2001:660:4406:292:7:1::2",
+      "kavlan-2": "2001:660:4406:282:7:1::2",
+      "kavlan-20": "2001:660:4406:294:7:1::2",
+      "kavlan-21": "2001:660:4406:295:7:1::2",
+      "kavlan-3": "2001:660:4406:283:7:1::2",
+      "kavlan-4": "2001:660:4406:284:7:1::2",
+      "kavlan-5": "2001:660:4406:285:7:1::2",
+      "kavlan-6": "2001:660:4406:286:7:1::2",
+      "kavlan-7": "2001:660:4406:287:7:1::2",
+      "kavlan-8": "2001:660:4406:288:7:1::2",
+      "kavlan-9": "2001:660:4406:289:7:1::2"
+    }
+  },
   "main_memory": {
     "ram_size": 824633720832
   },
@@ -112,6 +152,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:200:7:1::2",
       "kavlan": true,
       "mac": "24:6e:96:2c:c0:ca",
       "management": false,
diff --git a/data/grid5000/sites/lille/clusters/chifflet/nodes/chifflet-3.json b/data/grid5000/sites/lille/clusters/chifflet/nodes/chifflet-3.json
index 564c3ceb12437911fed1cfd49307a9a47764ce56..7dbd816adc2b4782e3a10ad90a28fc3ef800b765 100644
--- a/data/grid5000/sites/lille/clusters/chifflet/nodes/chifflet-3.json
+++ b/data/grid5000/sites/lille/clusters/chifflet/nodes/chifflet-3.json
@@ -77,6 +77,46 @@
       "kavlan-9": "10.9.67.3"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:281:7::3",
+      "kavlan-11": "2001:660:4406:28b:7::3",
+      "kavlan-12": "2001:660:4406:28c:7::3",
+      "kavlan-13": "2001:660:4406:28d:7::3",
+      "kavlan-14": "2001:660:4406:28e:7::3",
+      "kavlan-16": "2001:660:4406:290:7::3",
+      "kavlan-18": "2001:660:4406:292:7::3",
+      "kavlan-2": "2001:660:4406:282:7::3",
+      "kavlan-20": "2001:660:4406:294:7::3",
+      "kavlan-21": "2001:660:4406:295:7::3",
+      "kavlan-3": "2001:660:4406:283:7::3",
+      "kavlan-4": "2001:660:4406:284:7::3",
+      "kavlan-5": "2001:660:4406:285:7::3",
+      "kavlan-6": "2001:660:4406:286:7::3",
+      "kavlan-7": "2001:660:4406:287:7::3",
+      "kavlan-8": "2001:660:4406:288:7::3",
+      "kavlan-9": "2001:660:4406:289:7::3"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:281:7:1::3",
+      "kavlan-11": "2001:660:4406:28b:7:1::3",
+      "kavlan-12": "2001:660:4406:28c:7:1::3",
+      "kavlan-13": "2001:660:4406:28d:7:1::3",
+      "kavlan-14": "2001:660:4406:28e:7:1::3",
+      "kavlan-16": "2001:660:4406:290:7:1::3",
+      "kavlan-18": "2001:660:4406:292:7:1::3",
+      "kavlan-2": "2001:660:4406:282:7:1::3",
+      "kavlan-20": "2001:660:4406:294:7:1::3",
+      "kavlan-21": "2001:660:4406:295:7:1::3",
+      "kavlan-3": "2001:660:4406:283:7:1::3",
+      "kavlan-4": "2001:660:4406:284:7:1::3",
+      "kavlan-5": "2001:660:4406:285:7:1::3",
+      "kavlan-6": "2001:660:4406:286:7:1::3",
+      "kavlan-7": "2001:660:4406:287:7:1::3",
+      "kavlan-8": "2001:660:4406:288:7:1::3",
+      "kavlan-9": "2001:660:4406:289:7:1::3"
+    }
+  },
   "main_memory": {
     "ram_size": 824633720832
   },
@@ -112,6 +152,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:200:7:1::3",
       "kavlan": true,
       "mac": "24:6e:96:2c:bd:12",
       "management": false,
diff --git a/data/grid5000/sites/lille/clusters/chifflet/nodes/chifflet-4.json b/data/grid5000/sites/lille/clusters/chifflet/nodes/chifflet-4.json
index 3570f10bb2097769933e54693d1c658c6e4a7c20..249acff2b355b83271ab2217f84295b01fb62f66 100644
--- a/data/grid5000/sites/lille/clusters/chifflet/nodes/chifflet-4.json
+++ b/data/grid5000/sites/lille/clusters/chifflet/nodes/chifflet-4.json
@@ -77,6 +77,46 @@
       "kavlan-9": "10.9.67.4"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:281:7::4",
+      "kavlan-11": "2001:660:4406:28b:7::4",
+      "kavlan-12": "2001:660:4406:28c:7::4",
+      "kavlan-13": "2001:660:4406:28d:7::4",
+      "kavlan-14": "2001:660:4406:28e:7::4",
+      "kavlan-16": "2001:660:4406:290:7::4",
+      "kavlan-18": "2001:660:4406:292:7::4",
+      "kavlan-2": "2001:660:4406:282:7::4",
+      "kavlan-20": "2001:660:4406:294:7::4",
+      "kavlan-21": "2001:660:4406:295:7::4",
+      "kavlan-3": "2001:660:4406:283:7::4",
+      "kavlan-4": "2001:660:4406:284:7::4",
+      "kavlan-5": "2001:660:4406:285:7::4",
+      "kavlan-6": "2001:660:4406:286:7::4",
+      "kavlan-7": "2001:660:4406:287:7::4",
+      "kavlan-8": "2001:660:4406:288:7::4",
+      "kavlan-9": "2001:660:4406:289:7::4"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:281:7:1::4",
+      "kavlan-11": "2001:660:4406:28b:7:1::4",
+      "kavlan-12": "2001:660:4406:28c:7:1::4",
+      "kavlan-13": "2001:660:4406:28d:7:1::4",
+      "kavlan-14": "2001:660:4406:28e:7:1::4",
+      "kavlan-16": "2001:660:4406:290:7:1::4",
+      "kavlan-18": "2001:660:4406:292:7:1::4",
+      "kavlan-2": "2001:660:4406:282:7:1::4",
+      "kavlan-20": "2001:660:4406:294:7:1::4",
+      "kavlan-21": "2001:660:4406:295:7:1::4",
+      "kavlan-3": "2001:660:4406:283:7:1::4",
+      "kavlan-4": "2001:660:4406:284:7:1::4",
+      "kavlan-5": "2001:660:4406:285:7:1::4",
+      "kavlan-6": "2001:660:4406:286:7:1::4",
+      "kavlan-7": "2001:660:4406:287:7:1::4",
+      "kavlan-8": "2001:660:4406:288:7:1::4",
+      "kavlan-9": "2001:660:4406:289:7:1::4"
+    }
+  },
   "main_memory": {
     "ram_size": 824633720832
   },
@@ -112,6 +152,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:200:7:1::4",
       "kavlan": true,
       "mac": "24:6e:96:2c:ba:c2",
       "management": false,
diff --git a/data/grid5000/sites/lille/clusters/chifflet/nodes/chifflet-5.json b/data/grid5000/sites/lille/clusters/chifflet/nodes/chifflet-5.json
index 3f80aef1a7d6b4cfd342582566251b3e6311f4d4..ddaed1463d6e56fd53c08106c797d7c5c6e51c80 100644
--- a/data/grid5000/sites/lille/clusters/chifflet/nodes/chifflet-5.json
+++ b/data/grid5000/sites/lille/clusters/chifflet/nodes/chifflet-5.json
@@ -77,6 +77,46 @@
       "kavlan-9": "10.9.67.5"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:281:7::5",
+      "kavlan-11": "2001:660:4406:28b:7::5",
+      "kavlan-12": "2001:660:4406:28c:7::5",
+      "kavlan-13": "2001:660:4406:28d:7::5",
+      "kavlan-14": "2001:660:4406:28e:7::5",
+      "kavlan-16": "2001:660:4406:290:7::5",
+      "kavlan-18": "2001:660:4406:292:7::5",
+      "kavlan-2": "2001:660:4406:282:7::5",
+      "kavlan-20": "2001:660:4406:294:7::5",
+      "kavlan-21": "2001:660:4406:295:7::5",
+      "kavlan-3": "2001:660:4406:283:7::5",
+      "kavlan-4": "2001:660:4406:284:7::5",
+      "kavlan-5": "2001:660:4406:285:7::5",
+      "kavlan-6": "2001:660:4406:286:7::5",
+      "kavlan-7": "2001:660:4406:287:7::5",
+      "kavlan-8": "2001:660:4406:288:7::5",
+      "kavlan-9": "2001:660:4406:289:7::5"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:281:7:1::5",
+      "kavlan-11": "2001:660:4406:28b:7:1::5",
+      "kavlan-12": "2001:660:4406:28c:7:1::5",
+      "kavlan-13": "2001:660:4406:28d:7:1::5",
+      "kavlan-14": "2001:660:4406:28e:7:1::5",
+      "kavlan-16": "2001:660:4406:290:7:1::5",
+      "kavlan-18": "2001:660:4406:292:7:1::5",
+      "kavlan-2": "2001:660:4406:282:7:1::5",
+      "kavlan-20": "2001:660:4406:294:7:1::5",
+      "kavlan-21": "2001:660:4406:295:7:1::5",
+      "kavlan-3": "2001:660:4406:283:7:1::5",
+      "kavlan-4": "2001:660:4406:284:7:1::5",
+      "kavlan-5": "2001:660:4406:285:7:1::5",
+      "kavlan-6": "2001:660:4406:286:7:1::5",
+      "kavlan-7": "2001:660:4406:287:7:1::5",
+      "kavlan-8": "2001:660:4406:288:7:1::5",
+      "kavlan-9": "2001:660:4406:289:7:1::5"
+    }
+  },
   "main_memory": {
     "ram_size": 824633720832
   },
@@ -112,6 +152,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:200:7:1::5",
       "kavlan": true,
       "mac": "24:6e:96:2c:c1:5a",
       "management": false,
diff --git a/data/grid5000/sites/lille/clusters/chifflet/nodes/chifflet-6.json b/data/grid5000/sites/lille/clusters/chifflet/nodes/chifflet-6.json
index 549302e037396722ac7f7780dd4984baea6dfae3..81a50cfbe34048605a480d4a56f19fbd702ac91b 100644
--- a/data/grid5000/sites/lille/clusters/chifflet/nodes/chifflet-6.json
+++ b/data/grid5000/sites/lille/clusters/chifflet/nodes/chifflet-6.json
@@ -77,6 +77,46 @@
       "kavlan-9": "10.9.67.6"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:281:7::6",
+      "kavlan-11": "2001:660:4406:28b:7::6",
+      "kavlan-12": "2001:660:4406:28c:7::6",
+      "kavlan-13": "2001:660:4406:28d:7::6",
+      "kavlan-14": "2001:660:4406:28e:7::6",
+      "kavlan-16": "2001:660:4406:290:7::6",
+      "kavlan-18": "2001:660:4406:292:7::6",
+      "kavlan-2": "2001:660:4406:282:7::6",
+      "kavlan-20": "2001:660:4406:294:7::6",
+      "kavlan-21": "2001:660:4406:295:7::6",
+      "kavlan-3": "2001:660:4406:283:7::6",
+      "kavlan-4": "2001:660:4406:284:7::6",
+      "kavlan-5": "2001:660:4406:285:7::6",
+      "kavlan-6": "2001:660:4406:286:7::6",
+      "kavlan-7": "2001:660:4406:287:7::6",
+      "kavlan-8": "2001:660:4406:288:7::6",
+      "kavlan-9": "2001:660:4406:289:7::6"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:281:7:1::6",
+      "kavlan-11": "2001:660:4406:28b:7:1::6",
+      "kavlan-12": "2001:660:4406:28c:7:1::6",
+      "kavlan-13": "2001:660:4406:28d:7:1::6",
+      "kavlan-14": "2001:660:4406:28e:7:1::6",
+      "kavlan-16": "2001:660:4406:290:7:1::6",
+      "kavlan-18": "2001:660:4406:292:7:1::6",
+      "kavlan-2": "2001:660:4406:282:7:1::6",
+      "kavlan-20": "2001:660:4406:294:7:1::6",
+      "kavlan-21": "2001:660:4406:295:7:1::6",
+      "kavlan-3": "2001:660:4406:283:7:1::6",
+      "kavlan-4": "2001:660:4406:284:7:1::6",
+      "kavlan-5": "2001:660:4406:285:7:1::6",
+      "kavlan-6": "2001:660:4406:286:7:1::6",
+      "kavlan-7": "2001:660:4406:287:7:1::6",
+      "kavlan-8": "2001:660:4406:288:7:1::6",
+      "kavlan-9": "2001:660:4406:289:7:1::6"
+    }
+  },
   "main_memory": {
     "ram_size": 824633720832
   },
@@ -112,6 +152,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:200:7:1::6",
       "kavlan": true,
       "mac": "24:6e:96:2c:0b:ea",
       "management": false,
diff --git a/data/grid5000/sites/lille/clusters/chifflet/nodes/chifflet-7.json b/data/grid5000/sites/lille/clusters/chifflet/nodes/chifflet-7.json
index b5069797d5bbc6f39b1f4b336b86c47a0a625881..db2d3da7e6bb3c9eba0095fafebbb45ca4ad6211 100644
--- a/data/grid5000/sites/lille/clusters/chifflet/nodes/chifflet-7.json
+++ b/data/grid5000/sites/lille/clusters/chifflet/nodes/chifflet-7.json
@@ -77,6 +77,46 @@
       "kavlan-9": "10.9.67.7"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:281:7::7",
+      "kavlan-11": "2001:660:4406:28b:7::7",
+      "kavlan-12": "2001:660:4406:28c:7::7",
+      "kavlan-13": "2001:660:4406:28d:7::7",
+      "kavlan-14": "2001:660:4406:28e:7::7",
+      "kavlan-16": "2001:660:4406:290:7::7",
+      "kavlan-18": "2001:660:4406:292:7::7",
+      "kavlan-2": "2001:660:4406:282:7::7",
+      "kavlan-20": "2001:660:4406:294:7::7",
+      "kavlan-21": "2001:660:4406:295:7::7",
+      "kavlan-3": "2001:660:4406:283:7::7",
+      "kavlan-4": "2001:660:4406:284:7::7",
+      "kavlan-5": "2001:660:4406:285:7::7",
+      "kavlan-6": "2001:660:4406:286:7::7",
+      "kavlan-7": "2001:660:4406:287:7::7",
+      "kavlan-8": "2001:660:4406:288:7::7",
+      "kavlan-9": "2001:660:4406:289:7::7"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:281:7:1::7",
+      "kavlan-11": "2001:660:4406:28b:7:1::7",
+      "kavlan-12": "2001:660:4406:28c:7:1::7",
+      "kavlan-13": "2001:660:4406:28d:7:1::7",
+      "kavlan-14": "2001:660:4406:28e:7:1::7",
+      "kavlan-16": "2001:660:4406:290:7:1::7",
+      "kavlan-18": "2001:660:4406:292:7:1::7",
+      "kavlan-2": "2001:660:4406:282:7:1::7",
+      "kavlan-20": "2001:660:4406:294:7:1::7",
+      "kavlan-21": "2001:660:4406:295:7:1::7",
+      "kavlan-3": "2001:660:4406:283:7:1::7",
+      "kavlan-4": "2001:660:4406:284:7:1::7",
+      "kavlan-5": "2001:660:4406:285:7:1::7",
+      "kavlan-6": "2001:660:4406:286:7:1::7",
+      "kavlan-7": "2001:660:4406:287:7:1::7",
+      "kavlan-8": "2001:660:4406:288:7:1::7",
+      "kavlan-9": "2001:660:4406:289:7:1::7"
+    }
+  },
   "main_memory": {
     "ram_size": 824633720832
   },
@@ -112,6 +152,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:200:7:1::7",
       "kavlan": true,
       "mac": "24:6e:96:2c:ba:ba",
       "management": false,
diff --git a/data/grid5000/sites/lille/clusters/chifflet/nodes/chifflet-8.json b/data/grid5000/sites/lille/clusters/chifflet/nodes/chifflet-8.json
index c6dec1dacdd6d7ef56e3938e9f204ba590e3da15..e9f7bbbeebf3607b881768a35f78ecc07e9a6233 100644
--- a/data/grid5000/sites/lille/clusters/chifflet/nodes/chifflet-8.json
+++ b/data/grid5000/sites/lille/clusters/chifflet/nodes/chifflet-8.json
@@ -77,6 +77,46 @@
       "kavlan-9": "10.9.67.8"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:281:7::8",
+      "kavlan-11": "2001:660:4406:28b:7::8",
+      "kavlan-12": "2001:660:4406:28c:7::8",
+      "kavlan-13": "2001:660:4406:28d:7::8",
+      "kavlan-14": "2001:660:4406:28e:7::8",
+      "kavlan-16": "2001:660:4406:290:7::8",
+      "kavlan-18": "2001:660:4406:292:7::8",
+      "kavlan-2": "2001:660:4406:282:7::8",
+      "kavlan-20": "2001:660:4406:294:7::8",
+      "kavlan-21": "2001:660:4406:295:7::8",
+      "kavlan-3": "2001:660:4406:283:7::8",
+      "kavlan-4": "2001:660:4406:284:7::8",
+      "kavlan-5": "2001:660:4406:285:7::8",
+      "kavlan-6": "2001:660:4406:286:7::8",
+      "kavlan-7": "2001:660:4406:287:7::8",
+      "kavlan-8": "2001:660:4406:288:7::8",
+      "kavlan-9": "2001:660:4406:289:7::8"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:281:7:1::8",
+      "kavlan-11": "2001:660:4406:28b:7:1::8",
+      "kavlan-12": "2001:660:4406:28c:7:1::8",
+      "kavlan-13": "2001:660:4406:28d:7:1::8",
+      "kavlan-14": "2001:660:4406:28e:7:1::8",
+      "kavlan-16": "2001:660:4406:290:7:1::8",
+      "kavlan-18": "2001:660:4406:292:7:1::8",
+      "kavlan-2": "2001:660:4406:282:7:1::8",
+      "kavlan-20": "2001:660:4406:294:7:1::8",
+      "kavlan-21": "2001:660:4406:295:7:1::8",
+      "kavlan-3": "2001:660:4406:283:7:1::8",
+      "kavlan-4": "2001:660:4406:284:7:1::8",
+      "kavlan-5": "2001:660:4406:285:7:1::8",
+      "kavlan-6": "2001:660:4406:286:7:1::8",
+      "kavlan-7": "2001:660:4406:287:7:1::8",
+      "kavlan-8": "2001:660:4406:288:7:1::8",
+      "kavlan-9": "2001:660:4406:289:7:1::8"
+    }
+  },
   "main_memory": {
     "ram_size": 824633720832
   },
@@ -112,6 +152,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:200:7:1::8",
       "kavlan": true,
       "mac": "24:6e:96:2c:bd:82",
       "management": false,
diff --git a/data/grid5000/sites/lille/clusters/chifflot/nodes/chifflot-1.json b/data/grid5000/sites/lille/clusters/chifflot/nodes/chifflot-1.json
index a62c8cbf6dc46e68a5e33c5c7a7b27574fb5294a..29590fe5bd3e9af15c2c2d310a2ce03dc0d8ed1e 100644
--- a/data/grid5000/sites/lille/clusters/chifflot/nodes/chifflot-1.json
+++ b/data/grid5000/sites/lille/clusters/chifflot/nodes/chifflot-1.json
@@ -77,6 +77,46 @@
       "kavlan-9": "10.9.69.1"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:281:5::1",
+      "kavlan-11": "2001:660:4406:28b:5::1",
+      "kavlan-12": "2001:660:4406:28c:5::1",
+      "kavlan-13": "2001:660:4406:28d:5::1",
+      "kavlan-14": "2001:660:4406:28e:5::1",
+      "kavlan-16": "2001:660:4406:290:5::1",
+      "kavlan-18": "2001:660:4406:292:5::1",
+      "kavlan-2": "2001:660:4406:282:5::1",
+      "kavlan-20": "2001:660:4406:294:5::1",
+      "kavlan-21": "2001:660:4406:295:5::1",
+      "kavlan-3": "2001:660:4406:283:5::1",
+      "kavlan-4": "2001:660:4406:284:5::1",
+      "kavlan-5": "2001:660:4406:285:5::1",
+      "kavlan-6": "2001:660:4406:286:5::1",
+      "kavlan-7": "2001:660:4406:287:5::1",
+      "kavlan-8": "2001:660:4406:288:5::1",
+      "kavlan-9": "2001:660:4406:289:5::1"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:281:5:1::1",
+      "kavlan-11": "2001:660:4406:28b:5:1::1",
+      "kavlan-12": "2001:660:4406:28c:5:1::1",
+      "kavlan-13": "2001:660:4406:28d:5:1::1",
+      "kavlan-14": "2001:660:4406:28e:5:1::1",
+      "kavlan-16": "2001:660:4406:290:5:1::1",
+      "kavlan-18": "2001:660:4406:292:5:1::1",
+      "kavlan-2": "2001:660:4406:282:5:1::1",
+      "kavlan-20": "2001:660:4406:294:5:1::1",
+      "kavlan-21": "2001:660:4406:295:5:1::1",
+      "kavlan-3": "2001:660:4406:283:5:1::1",
+      "kavlan-4": "2001:660:4406:284:5:1::1",
+      "kavlan-5": "2001:660:4406:285:5:1::1",
+      "kavlan-6": "2001:660:4406:286:5:1::1",
+      "kavlan-7": "2001:660:4406:287:5:1::1",
+      "kavlan-8": "2001:660:4406:288:5:1::1",
+      "kavlan-9": "2001:660:4406:289:5:1::1"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
@@ -112,6 +152,7 @@
       "enabled": true,
       "firmware_version": "7.10 0x800051ac 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:200:5:1::1",
       "kavlan": true,
       "mac": "3c:fd:fe:c1:60:31",
       "management": false,
diff --git a/data/grid5000/sites/lille/clusters/chifflot/nodes/chifflot-2.json b/data/grid5000/sites/lille/clusters/chifflot/nodes/chifflot-2.json
index 4f072e3fe29a6009bdad51d5185b3ef440bd3836..e77bfb938a3a42b1c522131f306d9796d2c8713c 100644
--- a/data/grid5000/sites/lille/clusters/chifflot/nodes/chifflot-2.json
+++ b/data/grid5000/sites/lille/clusters/chifflot/nodes/chifflot-2.json
@@ -77,6 +77,46 @@
       "kavlan-9": "10.9.69.2"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:281:5::2",
+      "kavlan-11": "2001:660:4406:28b:5::2",
+      "kavlan-12": "2001:660:4406:28c:5::2",
+      "kavlan-13": "2001:660:4406:28d:5::2",
+      "kavlan-14": "2001:660:4406:28e:5::2",
+      "kavlan-16": "2001:660:4406:290:5::2",
+      "kavlan-18": "2001:660:4406:292:5::2",
+      "kavlan-2": "2001:660:4406:282:5::2",
+      "kavlan-20": "2001:660:4406:294:5::2",
+      "kavlan-21": "2001:660:4406:295:5::2",
+      "kavlan-3": "2001:660:4406:283:5::2",
+      "kavlan-4": "2001:660:4406:284:5::2",
+      "kavlan-5": "2001:660:4406:285:5::2",
+      "kavlan-6": "2001:660:4406:286:5::2",
+      "kavlan-7": "2001:660:4406:287:5::2",
+      "kavlan-8": "2001:660:4406:288:5::2",
+      "kavlan-9": "2001:660:4406:289:5::2"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:281:5:1::2",
+      "kavlan-11": "2001:660:4406:28b:5:1::2",
+      "kavlan-12": "2001:660:4406:28c:5:1::2",
+      "kavlan-13": "2001:660:4406:28d:5:1::2",
+      "kavlan-14": "2001:660:4406:28e:5:1::2",
+      "kavlan-16": "2001:660:4406:290:5:1::2",
+      "kavlan-18": "2001:660:4406:292:5:1::2",
+      "kavlan-2": "2001:660:4406:282:5:1::2",
+      "kavlan-20": "2001:660:4406:294:5:1::2",
+      "kavlan-21": "2001:660:4406:295:5:1::2",
+      "kavlan-3": "2001:660:4406:283:5:1::2",
+      "kavlan-4": "2001:660:4406:284:5:1::2",
+      "kavlan-5": "2001:660:4406:285:5:1::2",
+      "kavlan-6": "2001:660:4406:286:5:1::2",
+      "kavlan-7": "2001:660:4406:287:5:1::2",
+      "kavlan-8": "2001:660:4406:288:5:1::2",
+      "kavlan-9": "2001:660:4406:289:5:1::2"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
@@ -112,6 +152,7 @@
       "enabled": true,
       "firmware_version": "7.10 0x800051ac 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:200:5:1::2",
       "kavlan": true,
       "mac": "3c:fd:fe:c1:69:d1",
       "management": false,
diff --git a/data/grid5000/sites/lille/clusters/chifflot/nodes/chifflot-3.json b/data/grid5000/sites/lille/clusters/chifflot/nodes/chifflot-3.json
index 728403125b7b0748842fe11cf3c90da60e5c43f3..74e1cc6be442a5d8d3123d9bfdd8334c0c5c15a0 100644
--- a/data/grid5000/sites/lille/clusters/chifflot/nodes/chifflot-3.json
+++ b/data/grid5000/sites/lille/clusters/chifflot/nodes/chifflot-3.json
@@ -77,6 +77,46 @@
       "kavlan-9": "10.9.69.3"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:281:5::3",
+      "kavlan-11": "2001:660:4406:28b:5::3",
+      "kavlan-12": "2001:660:4406:28c:5::3",
+      "kavlan-13": "2001:660:4406:28d:5::3",
+      "kavlan-14": "2001:660:4406:28e:5::3",
+      "kavlan-16": "2001:660:4406:290:5::3",
+      "kavlan-18": "2001:660:4406:292:5::3",
+      "kavlan-2": "2001:660:4406:282:5::3",
+      "kavlan-20": "2001:660:4406:294:5::3",
+      "kavlan-21": "2001:660:4406:295:5::3",
+      "kavlan-3": "2001:660:4406:283:5::3",
+      "kavlan-4": "2001:660:4406:284:5::3",
+      "kavlan-5": "2001:660:4406:285:5::3",
+      "kavlan-6": "2001:660:4406:286:5::3",
+      "kavlan-7": "2001:660:4406:287:5::3",
+      "kavlan-8": "2001:660:4406:288:5::3",
+      "kavlan-9": "2001:660:4406:289:5::3"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:281:5:1::3",
+      "kavlan-11": "2001:660:4406:28b:5:1::3",
+      "kavlan-12": "2001:660:4406:28c:5:1::3",
+      "kavlan-13": "2001:660:4406:28d:5:1::3",
+      "kavlan-14": "2001:660:4406:28e:5:1::3",
+      "kavlan-16": "2001:660:4406:290:5:1::3",
+      "kavlan-18": "2001:660:4406:292:5:1::3",
+      "kavlan-2": "2001:660:4406:282:5:1::3",
+      "kavlan-20": "2001:660:4406:294:5:1::3",
+      "kavlan-21": "2001:660:4406:295:5:1::3",
+      "kavlan-3": "2001:660:4406:283:5:1::3",
+      "kavlan-4": "2001:660:4406:284:5:1::3",
+      "kavlan-5": "2001:660:4406:285:5:1::3",
+      "kavlan-6": "2001:660:4406:286:5:1::3",
+      "kavlan-7": "2001:660:4406:287:5:1::3",
+      "kavlan-8": "2001:660:4406:288:5:1::3",
+      "kavlan-9": "2001:660:4406:289:5:1::3"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
@@ -112,6 +152,7 @@
       "enabled": true,
       "firmware_version": "7.10 0x800051ac 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:200:5:1::3",
       "kavlan": true,
       "mac": "3c:fd:fe:c1:63:f1",
       "management": false,
diff --git a/data/grid5000/sites/lille/clusters/chifflot/nodes/chifflot-4.json b/data/grid5000/sites/lille/clusters/chifflot/nodes/chifflot-4.json
index 6ccace6cfcf0c85cf8c198eda8bef9966fc2d709..1387fd6f61f0b4d85d7f04c938e5fd7442b44ebf 100644
--- a/data/grid5000/sites/lille/clusters/chifflot/nodes/chifflot-4.json
+++ b/data/grid5000/sites/lille/clusters/chifflot/nodes/chifflot-4.json
@@ -77,6 +77,46 @@
       "kavlan-9": "10.9.69.4"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:281:5::4",
+      "kavlan-11": "2001:660:4406:28b:5::4",
+      "kavlan-12": "2001:660:4406:28c:5::4",
+      "kavlan-13": "2001:660:4406:28d:5::4",
+      "kavlan-14": "2001:660:4406:28e:5::4",
+      "kavlan-16": "2001:660:4406:290:5::4",
+      "kavlan-18": "2001:660:4406:292:5::4",
+      "kavlan-2": "2001:660:4406:282:5::4",
+      "kavlan-20": "2001:660:4406:294:5::4",
+      "kavlan-21": "2001:660:4406:295:5::4",
+      "kavlan-3": "2001:660:4406:283:5::4",
+      "kavlan-4": "2001:660:4406:284:5::4",
+      "kavlan-5": "2001:660:4406:285:5::4",
+      "kavlan-6": "2001:660:4406:286:5::4",
+      "kavlan-7": "2001:660:4406:287:5::4",
+      "kavlan-8": "2001:660:4406:288:5::4",
+      "kavlan-9": "2001:660:4406:289:5::4"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:281:5:1::4",
+      "kavlan-11": "2001:660:4406:28b:5:1::4",
+      "kavlan-12": "2001:660:4406:28c:5:1::4",
+      "kavlan-13": "2001:660:4406:28d:5:1::4",
+      "kavlan-14": "2001:660:4406:28e:5:1::4",
+      "kavlan-16": "2001:660:4406:290:5:1::4",
+      "kavlan-18": "2001:660:4406:292:5:1::4",
+      "kavlan-2": "2001:660:4406:282:5:1::4",
+      "kavlan-20": "2001:660:4406:294:5:1::4",
+      "kavlan-21": "2001:660:4406:295:5:1::4",
+      "kavlan-3": "2001:660:4406:283:5:1::4",
+      "kavlan-4": "2001:660:4406:284:5:1::4",
+      "kavlan-5": "2001:660:4406:285:5:1::4",
+      "kavlan-6": "2001:660:4406:286:5:1::4",
+      "kavlan-7": "2001:660:4406:287:5:1::4",
+      "kavlan-8": "2001:660:4406:288:5:1::4",
+      "kavlan-9": "2001:660:4406:289:5:1::4"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
@@ -112,6 +152,7 @@
       "enabled": true,
       "firmware_version": "7.10 0x800051ac 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:200:5:1::4",
       "kavlan": true,
       "mac": "3c:fd:fe:c1:60:11",
       "management": false,
diff --git a/data/grid5000/sites/lille/clusters/chifflot/nodes/chifflot-5.json b/data/grid5000/sites/lille/clusters/chifflot/nodes/chifflot-5.json
index 5a03bea38bccba7a56506e1821680b0ed297fd03..932d79613c8fceb48426c9edaeef89fcaaecc448 100644
--- a/data/grid5000/sites/lille/clusters/chifflot/nodes/chifflot-5.json
+++ b/data/grid5000/sites/lille/clusters/chifflot/nodes/chifflot-5.json
@@ -77,6 +77,46 @@
       "kavlan-9": "10.9.69.5"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:281:5::5",
+      "kavlan-11": "2001:660:4406:28b:5::5",
+      "kavlan-12": "2001:660:4406:28c:5::5",
+      "kavlan-13": "2001:660:4406:28d:5::5",
+      "kavlan-14": "2001:660:4406:28e:5::5",
+      "kavlan-16": "2001:660:4406:290:5::5",
+      "kavlan-18": "2001:660:4406:292:5::5",
+      "kavlan-2": "2001:660:4406:282:5::5",
+      "kavlan-20": "2001:660:4406:294:5::5",
+      "kavlan-21": "2001:660:4406:295:5::5",
+      "kavlan-3": "2001:660:4406:283:5::5",
+      "kavlan-4": "2001:660:4406:284:5::5",
+      "kavlan-5": "2001:660:4406:285:5::5",
+      "kavlan-6": "2001:660:4406:286:5::5",
+      "kavlan-7": "2001:660:4406:287:5::5",
+      "kavlan-8": "2001:660:4406:288:5::5",
+      "kavlan-9": "2001:660:4406:289:5::5"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:281:5:1::5",
+      "kavlan-11": "2001:660:4406:28b:5:1::5",
+      "kavlan-12": "2001:660:4406:28c:5:1::5",
+      "kavlan-13": "2001:660:4406:28d:5:1::5",
+      "kavlan-14": "2001:660:4406:28e:5:1::5",
+      "kavlan-16": "2001:660:4406:290:5:1::5",
+      "kavlan-18": "2001:660:4406:292:5:1::5",
+      "kavlan-2": "2001:660:4406:282:5:1::5",
+      "kavlan-20": "2001:660:4406:294:5:1::5",
+      "kavlan-21": "2001:660:4406:295:5:1::5",
+      "kavlan-3": "2001:660:4406:283:5:1::5",
+      "kavlan-4": "2001:660:4406:284:5:1::5",
+      "kavlan-5": "2001:660:4406:285:5:1::5",
+      "kavlan-6": "2001:660:4406:286:5:1::5",
+      "kavlan-7": "2001:660:4406:287:5:1::5",
+      "kavlan-8": "2001:660:4406:288:5:1::5",
+      "kavlan-9": "2001:660:4406:289:5:1::5"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
@@ -112,6 +152,7 @@
       "enabled": true,
       "firmware_version": "7.10 0x800051ac 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:200:5:1::5",
       "kavlan": true,
       "mac": "3c:fd:fe:c1:5f:51",
       "management": false,
diff --git a/data/grid5000/sites/lille/clusters/chifflot/nodes/chifflot-6.json b/data/grid5000/sites/lille/clusters/chifflot/nodes/chifflot-6.json
index fa82c757025d21324fa6a6909b37065cb55d7d6c..6de7b1036105fa915ec6195e663e160ba8cf05ff 100644
--- a/data/grid5000/sites/lille/clusters/chifflot/nodes/chifflot-6.json
+++ b/data/grid5000/sites/lille/clusters/chifflot/nodes/chifflot-6.json
@@ -77,6 +77,46 @@
       "kavlan-9": "10.9.69.6"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:281:5::6",
+      "kavlan-11": "2001:660:4406:28b:5::6",
+      "kavlan-12": "2001:660:4406:28c:5::6",
+      "kavlan-13": "2001:660:4406:28d:5::6",
+      "kavlan-14": "2001:660:4406:28e:5::6",
+      "kavlan-16": "2001:660:4406:290:5::6",
+      "kavlan-18": "2001:660:4406:292:5::6",
+      "kavlan-2": "2001:660:4406:282:5::6",
+      "kavlan-20": "2001:660:4406:294:5::6",
+      "kavlan-21": "2001:660:4406:295:5::6",
+      "kavlan-3": "2001:660:4406:283:5::6",
+      "kavlan-4": "2001:660:4406:284:5::6",
+      "kavlan-5": "2001:660:4406:285:5::6",
+      "kavlan-6": "2001:660:4406:286:5::6",
+      "kavlan-7": "2001:660:4406:287:5::6",
+      "kavlan-8": "2001:660:4406:288:5::6",
+      "kavlan-9": "2001:660:4406:289:5::6"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:281:5:1::6",
+      "kavlan-11": "2001:660:4406:28b:5:1::6",
+      "kavlan-12": "2001:660:4406:28c:5:1::6",
+      "kavlan-13": "2001:660:4406:28d:5:1::6",
+      "kavlan-14": "2001:660:4406:28e:5:1::6",
+      "kavlan-16": "2001:660:4406:290:5:1::6",
+      "kavlan-18": "2001:660:4406:292:5:1::6",
+      "kavlan-2": "2001:660:4406:282:5:1::6",
+      "kavlan-20": "2001:660:4406:294:5:1::6",
+      "kavlan-21": "2001:660:4406:295:5:1::6",
+      "kavlan-3": "2001:660:4406:283:5:1::6",
+      "kavlan-4": "2001:660:4406:284:5:1::6",
+      "kavlan-5": "2001:660:4406:285:5:1::6",
+      "kavlan-6": "2001:660:4406:286:5:1::6",
+      "kavlan-7": "2001:660:4406:287:5:1::6",
+      "kavlan-8": "2001:660:4406:288:5:1::6",
+      "kavlan-9": "2001:660:4406:289:5:1::6"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
@@ -112,6 +152,7 @@
       "enabled": true,
       "firmware_version": "7.10 0x800051ac 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:200:5:1::6",
       "kavlan": true,
       "mac": "3c:fd:fe:c1:65:a1",
       "management": false,
diff --git a/data/grid5000/sites/lille/clusters/chifflot/nodes/chifflot-7.json b/data/grid5000/sites/lille/clusters/chifflot/nodes/chifflot-7.json
index 50fde2832ff4c1c791bcc5ef0fd4a7c69188497a..098ca43885208524a69f013f4819a4c5d45ed6ff 100644
--- a/data/grid5000/sites/lille/clusters/chifflot/nodes/chifflot-7.json
+++ b/data/grid5000/sites/lille/clusters/chifflot/nodes/chifflot-7.json
@@ -77,6 +77,46 @@
       "kavlan-9": "10.9.69.7"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:281:5::7",
+      "kavlan-11": "2001:660:4406:28b:5::7",
+      "kavlan-12": "2001:660:4406:28c:5::7",
+      "kavlan-13": "2001:660:4406:28d:5::7",
+      "kavlan-14": "2001:660:4406:28e:5::7",
+      "kavlan-16": "2001:660:4406:290:5::7",
+      "kavlan-18": "2001:660:4406:292:5::7",
+      "kavlan-2": "2001:660:4406:282:5::7",
+      "kavlan-20": "2001:660:4406:294:5::7",
+      "kavlan-21": "2001:660:4406:295:5::7",
+      "kavlan-3": "2001:660:4406:283:5::7",
+      "kavlan-4": "2001:660:4406:284:5::7",
+      "kavlan-5": "2001:660:4406:285:5::7",
+      "kavlan-6": "2001:660:4406:286:5::7",
+      "kavlan-7": "2001:660:4406:287:5::7",
+      "kavlan-8": "2001:660:4406:288:5::7",
+      "kavlan-9": "2001:660:4406:289:5::7"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:281:5:1::7",
+      "kavlan-11": "2001:660:4406:28b:5:1::7",
+      "kavlan-12": "2001:660:4406:28c:5:1::7",
+      "kavlan-13": "2001:660:4406:28d:5:1::7",
+      "kavlan-14": "2001:660:4406:28e:5:1::7",
+      "kavlan-16": "2001:660:4406:290:5:1::7",
+      "kavlan-18": "2001:660:4406:292:5:1::7",
+      "kavlan-2": "2001:660:4406:282:5:1::7",
+      "kavlan-20": "2001:660:4406:294:5:1::7",
+      "kavlan-21": "2001:660:4406:295:5:1::7",
+      "kavlan-3": "2001:660:4406:283:5:1::7",
+      "kavlan-4": "2001:660:4406:284:5:1::7",
+      "kavlan-5": "2001:660:4406:285:5:1::7",
+      "kavlan-6": "2001:660:4406:286:5:1::7",
+      "kavlan-7": "2001:660:4406:287:5:1::7",
+      "kavlan-8": "2001:660:4406:288:5:1::7",
+      "kavlan-9": "2001:660:4406:289:5:1::7"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
@@ -112,6 +152,7 @@
       "enabled": true,
       "firmware_version": "7.10 0x800051ac 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:200:5:1::7",
       "kavlan": true,
       "mac": "3c:fd:fe:c1:70:91",
       "management": false,
diff --git a/data/grid5000/sites/lille/clusters/chifflot/nodes/chifflot-8.json b/data/grid5000/sites/lille/clusters/chifflot/nodes/chifflot-8.json
index 0008b123ac720dab4d31056b199684b004697269..94afe81a603b498b5d8b1eae65b833fe8e74a26d 100644
--- a/data/grid5000/sites/lille/clusters/chifflot/nodes/chifflot-8.json
+++ b/data/grid5000/sites/lille/clusters/chifflot/nodes/chifflot-8.json
@@ -77,6 +77,46 @@
       "kavlan-9": "10.9.69.8"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:281:5::8",
+      "kavlan-11": "2001:660:4406:28b:5::8",
+      "kavlan-12": "2001:660:4406:28c:5::8",
+      "kavlan-13": "2001:660:4406:28d:5::8",
+      "kavlan-14": "2001:660:4406:28e:5::8",
+      "kavlan-16": "2001:660:4406:290:5::8",
+      "kavlan-18": "2001:660:4406:292:5::8",
+      "kavlan-2": "2001:660:4406:282:5::8",
+      "kavlan-20": "2001:660:4406:294:5::8",
+      "kavlan-21": "2001:660:4406:295:5::8",
+      "kavlan-3": "2001:660:4406:283:5::8",
+      "kavlan-4": "2001:660:4406:284:5::8",
+      "kavlan-5": "2001:660:4406:285:5::8",
+      "kavlan-6": "2001:660:4406:286:5::8",
+      "kavlan-7": "2001:660:4406:287:5::8",
+      "kavlan-8": "2001:660:4406:288:5::8",
+      "kavlan-9": "2001:660:4406:289:5::8"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:281:5:1::8",
+      "kavlan-11": "2001:660:4406:28b:5:1::8",
+      "kavlan-12": "2001:660:4406:28c:5:1::8",
+      "kavlan-13": "2001:660:4406:28d:5:1::8",
+      "kavlan-14": "2001:660:4406:28e:5:1::8",
+      "kavlan-16": "2001:660:4406:290:5:1::8",
+      "kavlan-18": "2001:660:4406:292:5:1::8",
+      "kavlan-2": "2001:660:4406:282:5:1::8",
+      "kavlan-20": "2001:660:4406:294:5:1::8",
+      "kavlan-21": "2001:660:4406:295:5:1::8",
+      "kavlan-3": "2001:660:4406:283:5:1::8",
+      "kavlan-4": "2001:660:4406:284:5:1::8",
+      "kavlan-5": "2001:660:4406:285:5:1::8",
+      "kavlan-6": "2001:660:4406:286:5:1::8",
+      "kavlan-7": "2001:660:4406:287:5:1::8",
+      "kavlan-8": "2001:660:4406:288:5:1::8",
+      "kavlan-9": "2001:660:4406:289:5:1::8"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
@@ -112,6 +152,7 @@
       "enabled": true,
       "firmware_version": "7.10 0x800051ac 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:200:5:1::8",
       "kavlan": true,
       "mac": "3c:fd:fe:c1:64:21",
       "management": false,
diff --git a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-12.json b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-12.json
index ab297948b0693fe1653bc506938321f4ce45ff93..abb112683a8a14dc6be0930a90018f5af3aa91a7 100644
--- a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-12.json
+++ b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-12.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.41.65.12"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:381:1::c",
+      "kavlan-11": "2001:660:4406:38b:1::c",
+      "kavlan-12": "2001:660:4406:38c:1::c",
+      "kavlan-13": "2001:660:4406:38d:1::c",
+      "kavlan-14": "2001:660:4406:38e:1::c",
+      "kavlan-16": "2001:660:4406:390:1::c",
+      "kavlan-18": "2001:660:4406:392:1::c",
+      "kavlan-2": "2001:660:4406:382:1::c",
+      "kavlan-20": "2001:660:4406:394:1::c",
+      "kavlan-21": "2001:660:4406:395:1::c",
+      "kavlan-3": "2001:660:4406:383:1::c",
+      "kavlan-4": "2001:660:4406:384:1::c",
+      "kavlan-5": "2001:660:4406:385:1::c",
+      "kavlan-6": "2001:660:4406:386:1::c",
+      "kavlan-7": "2001:660:4406:387:1::c",
+      "kavlan-8": "2001:660:4406:388:1::c",
+      "kavlan-9": "2001:660:4406:389:1::c"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:381:1:1::c",
+      "kavlan-11": "2001:660:4406:38b:1:1::c",
+      "kavlan-12": "2001:660:4406:38c:1:1::c",
+      "kavlan-13": "2001:660:4406:38d:1:1::c",
+      "kavlan-14": "2001:660:4406:38e:1:1::c",
+      "kavlan-16": "2001:660:4406:390:1:1::c",
+      "kavlan-18": "2001:660:4406:392:1:1::c",
+      "kavlan-2": "2001:660:4406:382:1:1::c",
+      "kavlan-20": "2001:660:4406:394:1:1::c",
+      "kavlan-21": "2001:660:4406:395:1:1::c",
+      "kavlan-3": "2001:660:4406:383:1:1::c",
+      "kavlan-4": "2001:660:4406:384:1:1::c",
+      "kavlan-5": "2001:660:4406:385:1:1::c",
+      "kavlan-6": "2001:660:4406:386:1:1::c",
+      "kavlan-7": "2001:660:4406:387:1:1::c",
+      "kavlan-8": "2001:660:4406:388:1:1::c",
+      "kavlan-9": "2001:660:4406:389:1:1::c"
+    }
+  },
   "main_memory": {
     "ram_size": 17179869184
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "6.4.5 bc 5.0.7 UMP 1.1.9",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:300:1:1::c",
       "kavlan": true,
       "mac": "00:19:b9:f2:0e:12",
       "management": false,
@@ -113,6 +154,7 @@
       "enabled": true,
       "firmware_version": "0xc7390000",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:300:1:2::c",
       "kavlan": false,
       "mac": "00:1b:21:34:e1:1c",
       "management": false,
diff --git a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-15.json b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-15.json
index f7835a99adafbb3021f6dc33feba74661a10e056..1232fc6c746ef1242d75f486b7e9f5371938b8c8 100644
--- a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-15.json
+++ b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-15.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.41.65.15"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:381:1::f",
+      "kavlan-11": "2001:660:4406:38b:1::f",
+      "kavlan-12": "2001:660:4406:38c:1::f",
+      "kavlan-13": "2001:660:4406:38d:1::f",
+      "kavlan-14": "2001:660:4406:38e:1::f",
+      "kavlan-16": "2001:660:4406:390:1::f",
+      "kavlan-18": "2001:660:4406:392:1::f",
+      "kavlan-2": "2001:660:4406:382:1::f",
+      "kavlan-20": "2001:660:4406:394:1::f",
+      "kavlan-21": "2001:660:4406:395:1::f",
+      "kavlan-3": "2001:660:4406:383:1::f",
+      "kavlan-4": "2001:660:4406:384:1::f",
+      "kavlan-5": "2001:660:4406:385:1::f",
+      "kavlan-6": "2001:660:4406:386:1::f",
+      "kavlan-7": "2001:660:4406:387:1::f",
+      "kavlan-8": "2001:660:4406:388:1::f",
+      "kavlan-9": "2001:660:4406:389:1::f"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:381:1:1::f",
+      "kavlan-11": "2001:660:4406:38b:1:1::f",
+      "kavlan-12": "2001:660:4406:38c:1:1::f",
+      "kavlan-13": "2001:660:4406:38d:1:1::f",
+      "kavlan-14": "2001:660:4406:38e:1:1::f",
+      "kavlan-16": "2001:660:4406:390:1:1::f",
+      "kavlan-18": "2001:660:4406:392:1:1::f",
+      "kavlan-2": "2001:660:4406:382:1:1::f",
+      "kavlan-20": "2001:660:4406:394:1:1::f",
+      "kavlan-21": "2001:660:4406:395:1:1::f",
+      "kavlan-3": "2001:660:4406:383:1:1::f",
+      "kavlan-4": "2001:660:4406:384:1:1::f",
+      "kavlan-5": "2001:660:4406:385:1:1::f",
+      "kavlan-6": "2001:660:4406:386:1:1::f",
+      "kavlan-7": "2001:660:4406:387:1:1::f",
+      "kavlan-8": "2001:660:4406:388:1:1::f",
+      "kavlan-9": "2001:660:4406:389:1:1::f"
+    }
+  },
   "main_memory": {
     "ram_size": 17179869184
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "6.4.5 bc 5.0.7 UMP 1.1.9",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:300:1:1::f",
       "kavlan": true,
       "mac": "00:19:b9:f2:0e:30",
       "management": false,
@@ -113,6 +154,7 @@
       "enabled": true,
       "firmware_version": "0xc7390000",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:300:1:2::f",
       "kavlan": false,
       "mac": "00:1b:21:34:e0:f1",
       "management": false,
diff --git a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-16.json b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-16.json
index 33823db38d2528218efad9530d70fd3f8b4f2f05..4b8eb17cbabea52dc3252a3a8fc91b21b07be631 100644
--- a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-16.json
+++ b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-16.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.41.65.16"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:381:1::10",
+      "kavlan-11": "2001:660:4406:38b:1::10",
+      "kavlan-12": "2001:660:4406:38c:1::10",
+      "kavlan-13": "2001:660:4406:38d:1::10",
+      "kavlan-14": "2001:660:4406:38e:1::10",
+      "kavlan-16": "2001:660:4406:390:1::10",
+      "kavlan-18": "2001:660:4406:392:1::10",
+      "kavlan-2": "2001:660:4406:382:1::10",
+      "kavlan-20": "2001:660:4406:394:1::10",
+      "kavlan-21": "2001:660:4406:395:1::10",
+      "kavlan-3": "2001:660:4406:383:1::10",
+      "kavlan-4": "2001:660:4406:384:1::10",
+      "kavlan-5": "2001:660:4406:385:1::10",
+      "kavlan-6": "2001:660:4406:386:1::10",
+      "kavlan-7": "2001:660:4406:387:1::10",
+      "kavlan-8": "2001:660:4406:388:1::10",
+      "kavlan-9": "2001:660:4406:389:1::10"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:381:1:1::10",
+      "kavlan-11": "2001:660:4406:38b:1:1::10",
+      "kavlan-12": "2001:660:4406:38c:1:1::10",
+      "kavlan-13": "2001:660:4406:38d:1:1::10",
+      "kavlan-14": "2001:660:4406:38e:1:1::10",
+      "kavlan-16": "2001:660:4406:390:1:1::10",
+      "kavlan-18": "2001:660:4406:392:1:1::10",
+      "kavlan-2": "2001:660:4406:382:1:1::10",
+      "kavlan-20": "2001:660:4406:394:1:1::10",
+      "kavlan-21": "2001:660:4406:395:1:1::10",
+      "kavlan-3": "2001:660:4406:383:1:1::10",
+      "kavlan-4": "2001:660:4406:384:1:1::10",
+      "kavlan-5": "2001:660:4406:385:1:1::10",
+      "kavlan-6": "2001:660:4406:386:1:1::10",
+      "kavlan-7": "2001:660:4406:387:1:1::10",
+      "kavlan-8": "2001:660:4406:388:1:1::10",
+      "kavlan-9": "2001:660:4406:389:1:1::10"
+    }
+  },
   "main_memory": {
     "ram_size": 17179869184
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "6.4.5 bc 5.0.7 UMP 1.1.9",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:300:1:1::10",
       "kavlan": true,
       "mac": "00:19:b9:f2:0f:4d",
       "management": false,
@@ -113,6 +154,7 @@
       "enabled": true,
       "firmware_version": "0xc7390000",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:300:1:2::10",
       "kavlan": false,
       "mac": "00:1b:21:34:e1:1a",
       "management": false,
diff --git a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-18.json b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-18.json
index 21a6768dae7186330a3af5c8fe26617d2db7e771..7e0a32006e7b650749eb0ee1d5a7d2465df9bf75 100644
--- a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-18.json
+++ b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-18.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.41.65.18"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:381:1::12",
+      "kavlan-11": "2001:660:4406:38b:1::12",
+      "kavlan-12": "2001:660:4406:38c:1::12",
+      "kavlan-13": "2001:660:4406:38d:1::12",
+      "kavlan-14": "2001:660:4406:38e:1::12",
+      "kavlan-16": "2001:660:4406:390:1::12",
+      "kavlan-18": "2001:660:4406:392:1::12",
+      "kavlan-2": "2001:660:4406:382:1::12",
+      "kavlan-20": "2001:660:4406:394:1::12",
+      "kavlan-21": "2001:660:4406:395:1::12",
+      "kavlan-3": "2001:660:4406:383:1::12",
+      "kavlan-4": "2001:660:4406:384:1::12",
+      "kavlan-5": "2001:660:4406:385:1::12",
+      "kavlan-6": "2001:660:4406:386:1::12",
+      "kavlan-7": "2001:660:4406:387:1::12",
+      "kavlan-8": "2001:660:4406:388:1::12",
+      "kavlan-9": "2001:660:4406:389:1::12"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:381:1:1::12",
+      "kavlan-11": "2001:660:4406:38b:1:1::12",
+      "kavlan-12": "2001:660:4406:38c:1:1::12",
+      "kavlan-13": "2001:660:4406:38d:1:1::12",
+      "kavlan-14": "2001:660:4406:38e:1:1::12",
+      "kavlan-16": "2001:660:4406:390:1:1::12",
+      "kavlan-18": "2001:660:4406:392:1:1::12",
+      "kavlan-2": "2001:660:4406:382:1:1::12",
+      "kavlan-20": "2001:660:4406:394:1:1::12",
+      "kavlan-21": "2001:660:4406:395:1:1::12",
+      "kavlan-3": "2001:660:4406:383:1:1::12",
+      "kavlan-4": "2001:660:4406:384:1:1::12",
+      "kavlan-5": "2001:660:4406:385:1:1::12",
+      "kavlan-6": "2001:660:4406:386:1:1::12",
+      "kavlan-7": "2001:660:4406:387:1:1::12",
+      "kavlan-8": "2001:660:4406:388:1:1::12",
+      "kavlan-9": "2001:660:4406:389:1:1::12"
+    }
+  },
   "main_memory": {
     "ram_size": 17179869184
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "6.4.5 bc 5.0.7 UMP 1.1.9",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:300:1:1::12",
       "kavlan": true,
       "mac": "00:19:b9:f3:ba:b2",
       "management": false,
@@ -113,6 +154,7 @@
       "enabled": true,
       "firmware_version": "0xc7390000",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:300:1:2::12",
       "kavlan": false,
       "mac": "00:1b:21:34:e1:07",
       "management": false,
diff --git a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-2.json b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-2.json
index a6c31da9f904be49a6a44684c59c28a98db9f297..94d78f05b3aca212674e1616d804805ffcf7ba72 100644
--- a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-2.json
+++ b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-2.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.41.65.2"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:381:1::2",
+      "kavlan-11": "2001:660:4406:38b:1::2",
+      "kavlan-12": "2001:660:4406:38c:1::2",
+      "kavlan-13": "2001:660:4406:38d:1::2",
+      "kavlan-14": "2001:660:4406:38e:1::2",
+      "kavlan-16": "2001:660:4406:390:1::2",
+      "kavlan-18": "2001:660:4406:392:1::2",
+      "kavlan-2": "2001:660:4406:382:1::2",
+      "kavlan-20": "2001:660:4406:394:1::2",
+      "kavlan-21": "2001:660:4406:395:1::2",
+      "kavlan-3": "2001:660:4406:383:1::2",
+      "kavlan-4": "2001:660:4406:384:1::2",
+      "kavlan-5": "2001:660:4406:385:1::2",
+      "kavlan-6": "2001:660:4406:386:1::2",
+      "kavlan-7": "2001:660:4406:387:1::2",
+      "kavlan-8": "2001:660:4406:388:1::2",
+      "kavlan-9": "2001:660:4406:389:1::2"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:381:1:1::2",
+      "kavlan-11": "2001:660:4406:38b:1:1::2",
+      "kavlan-12": "2001:660:4406:38c:1:1::2",
+      "kavlan-13": "2001:660:4406:38d:1:1::2",
+      "kavlan-14": "2001:660:4406:38e:1:1::2",
+      "kavlan-16": "2001:660:4406:390:1:1::2",
+      "kavlan-18": "2001:660:4406:392:1:1::2",
+      "kavlan-2": "2001:660:4406:382:1:1::2",
+      "kavlan-20": "2001:660:4406:394:1:1::2",
+      "kavlan-21": "2001:660:4406:395:1:1::2",
+      "kavlan-3": "2001:660:4406:383:1:1::2",
+      "kavlan-4": "2001:660:4406:384:1:1::2",
+      "kavlan-5": "2001:660:4406:385:1:1::2",
+      "kavlan-6": "2001:660:4406:386:1:1::2",
+      "kavlan-7": "2001:660:4406:387:1:1::2",
+      "kavlan-8": "2001:660:4406:388:1:1::2",
+      "kavlan-9": "2001:660:4406:389:1:1::2"
+    }
+  },
   "main_memory": {
     "ram_size": 17179869184
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "6.4.5 bc 5.0.7 UMP 1.1.9",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:300:1:1::2",
       "kavlan": true,
       "mac": "00:19:b9:f0:01:d9",
       "management": false,
@@ -113,6 +154,7 @@
       "enabled": true,
       "firmware_version": "0xc7390000",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:300:1:2::2",
       "kavlan": false,
       "mac": "00:1b:21:34:e1:35",
       "management": false,
diff --git a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-20.json b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-20.json
index 1298c3d9a8f10322faad4e04e72a0bc067e7c3ff..8d8354cbafd7c5da5dea5a0f33ed96bfcc800dd9 100644
--- a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-20.json
+++ b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-20.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.41.65.20"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:381:1::14",
+      "kavlan-11": "2001:660:4406:38b:1::14",
+      "kavlan-12": "2001:660:4406:38c:1::14",
+      "kavlan-13": "2001:660:4406:38d:1::14",
+      "kavlan-14": "2001:660:4406:38e:1::14",
+      "kavlan-16": "2001:660:4406:390:1::14",
+      "kavlan-18": "2001:660:4406:392:1::14",
+      "kavlan-2": "2001:660:4406:382:1::14",
+      "kavlan-20": "2001:660:4406:394:1::14",
+      "kavlan-21": "2001:660:4406:395:1::14",
+      "kavlan-3": "2001:660:4406:383:1::14",
+      "kavlan-4": "2001:660:4406:384:1::14",
+      "kavlan-5": "2001:660:4406:385:1::14",
+      "kavlan-6": "2001:660:4406:386:1::14",
+      "kavlan-7": "2001:660:4406:387:1::14",
+      "kavlan-8": "2001:660:4406:388:1::14",
+      "kavlan-9": "2001:660:4406:389:1::14"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:381:1:1::14",
+      "kavlan-11": "2001:660:4406:38b:1:1::14",
+      "kavlan-12": "2001:660:4406:38c:1:1::14",
+      "kavlan-13": "2001:660:4406:38d:1:1::14",
+      "kavlan-14": "2001:660:4406:38e:1:1::14",
+      "kavlan-16": "2001:660:4406:390:1:1::14",
+      "kavlan-18": "2001:660:4406:392:1:1::14",
+      "kavlan-2": "2001:660:4406:382:1:1::14",
+      "kavlan-20": "2001:660:4406:394:1:1::14",
+      "kavlan-21": "2001:660:4406:395:1:1::14",
+      "kavlan-3": "2001:660:4406:383:1:1::14",
+      "kavlan-4": "2001:660:4406:384:1:1::14",
+      "kavlan-5": "2001:660:4406:385:1:1::14",
+      "kavlan-6": "2001:660:4406:386:1:1::14",
+      "kavlan-7": "2001:660:4406:387:1:1::14",
+      "kavlan-8": "2001:660:4406:388:1:1::14",
+      "kavlan-9": "2001:660:4406:389:1:1::14"
+    }
+  },
   "main_memory": {
     "ram_size": 17179869184
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "6.4.5 bc 5.0.7 UMP 1.1.9",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:300:1:1::14",
       "kavlan": true,
       "mac": "00:19:b9:f2:08:cc",
       "management": false,
@@ -113,6 +154,7 @@
       "enabled": true,
       "firmware_version": "0xc7390000",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:300:1:2::14",
       "kavlan": false,
       "mac": "00:1b:21:3d:13:27",
       "management": false,
diff --git a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-21.json b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-21.json
index 5596234095c0808ba88f936e832869a619fb92e8..cd914ede417ade2752bfbd31828bd9b5db0e6219 100644
--- a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-21.json
+++ b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-21.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.41.65.21"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:381:1::15",
+      "kavlan-11": "2001:660:4406:38b:1::15",
+      "kavlan-12": "2001:660:4406:38c:1::15",
+      "kavlan-13": "2001:660:4406:38d:1::15",
+      "kavlan-14": "2001:660:4406:38e:1::15",
+      "kavlan-16": "2001:660:4406:390:1::15",
+      "kavlan-18": "2001:660:4406:392:1::15",
+      "kavlan-2": "2001:660:4406:382:1::15",
+      "kavlan-20": "2001:660:4406:394:1::15",
+      "kavlan-21": "2001:660:4406:395:1::15",
+      "kavlan-3": "2001:660:4406:383:1::15",
+      "kavlan-4": "2001:660:4406:384:1::15",
+      "kavlan-5": "2001:660:4406:385:1::15",
+      "kavlan-6": "2001:660:4406:386:1::15",
+      "kavlan-7": "2001:660:4406:387:1::15",
+      "kavlan-8": "2001:660:4406:388:1::15",
+      "kavlan-9": "2001:660:4406:389:1::15"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:381:1:1::15",
+      "kavlan-11": "2001:660:4406:38b:1:1::15",
+      "kavlan-12": "2001:660:4406:38c:1:1::15",
+      "kavlan-13": "2001:660:4406:38d:1:1::15",
+      "kavlan-14": "2001:660:4406:38e:1:1::15",
+      "kavlan-16": "2001:660:4406:390:1:1::15",
+      "kavlan-18": "2001:660:4406:392:1:1::15",
+      "kavlan-2": "2001:660:4406:382:1:1::15",
+      "kavlan-20": "2001:660:4406:394:1:1::15",
+      "kavlan-21": "2001:660:4406:395:1:1::15",
+      "kavlan-3": "2001:660:4406:383:1:1::15",
+      "kavlan-4": "2001:660:4406:384:1:1::15",
+      "kavlan-5": "2001:660:4406:385:1:1::15",
+      "kavlan-6": "2001:660:4406:386:1:1::15",
+      "kavlan-7": "2001:660:4406:387:1:1::15",
+      "kavlan-8": "2001:660:4406:388:1:1::15",
+      "kavlan-9": "2001:660:4406:389:1:1::15"
+    }
+  },
   "main_memory": {
     "ram_size": 17179869184
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "6.4.5 bc 5.0.7 UMP 1.1.9",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:300:1:1::15",
       "kavlan": true,
       "mac": "00:19:b9:f3:c2:7f",
       "management": false,
@@ -113,6 +154,7 @@
       "enabled": true,
       "firmware_version": "0xc7390000",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:300:1:2::15",
       "kavlan": false,
       "mac": "00:1b:21:3d:13:7d",
       "management": false,
diff --git a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-3.json b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-3.json
index 7bb0ce7be80ee8c2e4e76a98e6e9f5c0b535f244..25027bf8212b29656092b9f59f2b1a489da18ed7 100644
--- a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-3.json
+++ b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-3.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.41.65.3"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:381:1::3",
+      "kavlan-11": "2001:660:4406:38b:1::3",
+      "kavlan-12": "2001:660:4406:38c:1::3",
+      "kavlan-13": "2001:660:4406:38d:1::3",
+      "kavlan-14": "2001:660:4406:38e:1::3",
+      "kavlan-16": "2001:660:4406:390:1::3",
+      "kavlan-18": "2001:660:4406:392:1::3",
+      "kavlan-2": "2001:660:4406:382:1::3",
+      "kavlan-20": "2001:660:4406:394:1::3",
+      "kavlan-21": "2001:660:4406:395:1::3",
+      "kavlan-3": "2001:660:4406:383:1::3",
+      "kavlan-4": "2001:660:4406:384:1::3",
+      "kavlan-5": "2001:660:4406:385:1::3",
+      "kavlan-6": "2001:660:4406:386:1::3",
+      "kavlan-7": "2001:660:4406:387:1::3",
+      "kavlan-8": "2001:660:4406:388:1::3",
+      "kavlan-9": "2001:660:4406:389:1::3"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:381:1:1::3",
+      "kavlan-11": "2001:660:4406:38b:1:1::3",
+      "kavlan-12": "2001:660:4406:38c:1:1::3",
+      "kavlan-13": "2001:660:4406:38d:1:1::3",
+      "kavlan-14": "2001:660:4406:38e:1:1::3",
+      "kavlan-16": "2001:660:4406:390:1:1::3",
+      "kavlan-18": "2001:660:4406:392:1:1::3",
+      "kavlan-2": "2001:660:4406:382:1:1::3",
+      "kavlan-20": "2001:660:4406:394:1:1::3",
+      "kavlan-21": "2001:660:4406:395:1:1::3",
+      "kavlan-3": "2001:660:4406:383:1:1::3",
+      "kavlan-4": "2001:660:4406:384:1:1::3",
+      "kavlan-5": "2001:660:4406:385:1:1::3",
+      "kavlan-6": "2001:660:4406:386:1:1::3",
+      "kavlan-7": "2001:660:4406:387:1:1::3",
+      "kavlan-8": "2001:660:4406:388:1:1::3",
+      "kavlan-9": "2001:660:4406:389:1:1::3"
+    }
+  },
   "main_memory": {
     "ram_size": 17179869184
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "6.4.5 bc 5.0.7 UMP 1.1.9",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:300:1:1::3",
       "kavlan": true,
       "mac": "00:19:b9:f2:0e:85",
       "management": false,
@@ -113,6 +154,7 @@
       "enabled": true,
       "firmware_version": "0xc7390000",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:300:1:2::3",
       "kavlan": false,
       "mac": "00:1b:21:3c:87:cb",
       "management": false,
diff --git a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-4.json b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-4.json
index 9f8c7b6d215d701a528e4a0156e12abf17e03e12..e07d48ee29e6a7f3e1e782927dc8d30c145bdc6d 100644
--- a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-4.json
+++ b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-4.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.41.65.4"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:381:1::4",
+      "kavlan-11": "2001:660:4406:38b:1::4",
+      "kavlan-12": "2001:660:4406:38c:1::4",
+      "kavlan-13": "2001:660:4406:38d:1::4",
+      "kavlan-14": "2001:660:4406:38e:1::4",
+      "kavlan-16": "2001:660:4406:390:1::4",
+      "kavlan-18": "2001:660:4406:392:1::4",
+      "kavlan-2": "2001:660:4406:382:1::4",
+      "kavlan-20": "2001:660:4406:394:1::4",
+      "kavlan-21": "2001:660:4406:395:1::4",
+      "kavlan-3": "2001:660:4406:383:1::4",
+      "kavlan-4": "2001:660:4406:384:1::4",
+      "kavlan-5": "2001:660:4406:385:1::4",
+      "kavlan-6": "2001:660:4406:386:1::4",
+      "kavlan-7": "2001:660:4406:387:1::4",
+      "kavlan-8": "2001:660:4406:388:1::4",
+      "kavlan-9": "2001:660:4406:389:1::4"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:381:1:1::4",
+      "kavlan-11": "2001:660:4406:38b:1:1::4",
+      "kavlan-12": "2001:660:4406:38c:1:1::4",
+      "kavlan-13": "2001:660:4406:38d:1:1::4",
+      "kavlan-14": "2001:660:4406:38e:1:1::4",
+      "kavlan-16": "2001:660:4406:390:1:1::4",
+      "kavlan-18": "2001:660:4406:392:1:1::4",
+      "kavlan-2": "2001:660:4406:382:1:1::4",
+      "kavlan-20": "2001:660:4406:394:1:1::4",
+      "kavlan-21": "2001:660:4406:395:1:1::4",
+      "kavlan-3": "2001:660:4406:383:1:1::4",
+      "kavlan-4": "2001:660:4406:384:1:1::4",
+      "kavlan-5": "2001:660:4406:385:1:1::4",
+      "kavlan-6": "2001:660:4406:386:1:1::4",
+      "kavlan-7": "2001:660:4406:387:1:1::4",
+      "kavlan-8": "2001:660:4406:388:1:1::4",
+      "kavlan-9": "2001:660:4406:389:1:1::4"
+    }
+  },
   "main_memory": {
     "ram_size": 17179869184
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "6.4.5 bc 5.0.7 UMP 1.1.9",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:300:1:1::4",
       "kavlan": true,
       "mac": "00:19:b9:f2:0a:e8",
       "management": false,
@@ -113,6 +154,7 @@
       "enabled": true,
       "firmware_version": "0xc7390000",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:300:1:2::4",
       "kavlan": false,
       "mac": "00:1b:21:3d:12:e9",
       "management": false,
diff --git a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-6.json b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-6.json
index 8a3b4a9385cf3fbd77b963d03ed60ab5e5d662a1..8e0f14625e91887605c39e37bf65362297396f4c 100644
--- a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-6.json
+++ b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-6.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.41.65.6"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:381:1::6",
+      "kavlan-11": "2001:660:4406:38b:1::6",
+      "kavlan-12": "2001:660:4406:38c:1::6",
+      "kavlan-13": "2001:660:4406:38d:1::6",
+      "kavlan-14": "2001:660:4406:38e:1::6",
+      "kavlan-16": "2001:660:4406:390:1::6",
+      "kavlan-18": "2001:660:4406:392:1::6",
+      "kavlan-2": "2001:660:4406:382:1::6",
+      "kavlan-20": "2001:660:4406:394:1::6",
+      "kavlan-21": "2001:660:4406:395:1::6",
+      "kavlan-3": "2001:660:4406:383:1::6",
+      "kavlan-4": "2001:660:4406:384:1::6",
+      "kavlan-5": "2001:660:4406:385:1::6",
+      "kavlan-6": "2001:660:4406:386:1::6",
+      "kavlan-7": "2001:660:4406:387:1::6",
+      "kavlan-8": "2001:660:4406:388:1::6",
+      "kavlan-9": "2001:660:4406:389:1::6"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:381:1:1::6",
+      "kavlan-11": "2001:660:4406:38b:1:1::6",
+      "kavlan-12": "2001:660:4406:38c:1:1::6",
+      "kavlan-13": "2001:660:4406:38d:1:1::6",
+      "kavlan-14": "2001:660:4406:38e:1:1::6",
+      "kavlan-16": "2001:660:4406:390:1:1::6",
+      "kavlan-18": "2001:660:4406:392:1:1::6",
+      "kavlan-2": "2001:660:4406:382:1:1::6",
+      "kavlan-20": "2001:660:4406:394:1:1::6",
+      "kavlan-21": "2001:660:4406:395:1:1::6",
+      "kavlan-3": "2001:660:4406:383:1:1::6",
+      "kavlan-4": "2001:660:4406:384:1:1::6",
+      "kavlan-5": "2001:660:4406:385:1:1::6",
+      "kavlan-6": "2001:660:4406:386:1:1::6",
+      "kavlan-7": "2001:660:4406:387:1:1::6",
+      "kavlan-8": "2001:660:4406:388:1:1::6",
+      "kavlan-9": "2001:660:4406:389:1:1::6"
+    }
+  },
   "main_memory": {
     "ram_size": 17179869184
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "6.4.5 bc 5.0.7 UMP 1.1.9",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:300:1:1::6",
       "kavlan": true,
       "mac": "00:19:b9:f2:0c:82",
       "management": false,
@@ -113,6 +154,7 @@
       "enabled": true,
       "firmware_version": "0xc7390000",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:300:1:2::6",
       "kavlan": false,
       "mac": "00:1b:21:3d:13:ab",
       "management": false,
diff --git a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-9.json b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-9.json
index 0aaf329c5a6f38b038cdfb3ef8f5dc78b9c47d12..39e1de4debde67807e81e0be7bd1b27e6089f4ae 100644
--- a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-9.json
+++ b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-9.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.41.65.9"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:381:1::9",
+      "kavlan-11": "2001:660:4406:38b:1::9",
+      "kavlan-12": "2001:660:4406:38c:1::9",
+      "kavlan-13": "2001:660:4406:38d:1::9",
+      "kavlan-14": "2001:660:4406:38e:1::9",
+      "kavlan-16": "2001:660:4406:390:1::9",
+      "kavlan-18": "2001:660:4406:392:1::9",
+      "kavlan-2": "2001:660:4406:382:1::9",
+      "kavlan-20": "2001:660:4406:394:1::9",
+      "kavlan-21": "2001:660:4406:395:1::9",
+      "kavlan-3": "2001:660:4406:383:1::9",
+      "kavlan-4": "2001:660:4406:384:1::9",
+      "kavlan-5": "2001:660:4406:385:1::9",
+      "kavlan-6": "2001:660:4406:386:1::9",
+      "kavlan-7": "2001:660:4406:387:1::9",
+      "kavlan-8": "2001:660:4406:388:1::9",
+      "kavlan-9": "2001:660:4406:389:1::9"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:381:1:1::9",
+      "kavlan-11": "2001:660:4406:38b:1:1::9",
+      "kavlan-12": "2001:660:4406:38c:1:1::9",
+      "kavlan-13": "2001:660:4406:38d:1:1::9",
+      "kavlan-14": "2001:660:4406:38e:1:1::9",
+      "kavlan-16": "2001:660:4406:390:1:1::9",
+      "kavlan-18": "2001:660:4406:392:1:1::9",
+      "kavlan-2": "2001:660:4406:382:1:1::9",
+      "kavlan-20": "2001:660:4406:394:1:1::9",
+      "kavlan-21": "2001:660:4406:395:1:1::9",
+      "kavlan-3": "2001:660:4406:383:1:1::9",
+      "kavlan-4": "2001:660:4406:384:1:1::9",
+      "kavlan-5": "2001:660:4406:385:1:1::9",
+      "kavlan-6": "2001:660:4406:386:1:1::9",
+      "kavlan-7": "2001:660:4406:387:1:1::9",
+      "kavlan-8": "2001:660:4406:388:1:1::9",
+      "kavlan-9": "2001:660:4406:389:1:1::9"
+    }
+  },
   "main_memory": {
     "ram_size": 17179869184
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "6.4.5 bc 5.0.7 UMP 1.1.9",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:300:1:1::9",
       "kavlan": true,
       "mac": "00:19:b9:f1:fc:4b",
       "management": false,
@@ -113,6 +154,7 @@
       "enabled": true,
       "firmware_version": "0xc7390000",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:300:1:2::9",
       "kavlan": false,
       "mac": "00:1b:21:3d:14:31",
       "management": false,
diff --git a/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-1.json b/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-1.json
index 74da543c5e9de0f6c8efac2ec11a62af8712c180..01e4f37090c46cd811deac94937c791f738f50dc 100644
--- a/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-1.json
+++ b/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-1.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.41.67.1"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:381:2::1",
+      "kavlan-11": "2001:660:4406:38b:2::1",
+      "kavlan-12": "2001:660:4406:38c:2::1",
+      "kavlan-13": "2001:660:4406:38d:2::1",
+      "kavlan-14": "2001:660:4406:38e:2::1",
+      "kavlan-16": "2001:660:4406:390:2::1",
+      "kavlan-18": "2001:660:4406:392:2::1",
+      "kavlan-2": "2001:660:4406:382:2::1",
+      "kavlan-20": "2001:660:4406:394:2::1",
+      "kavlan-21": "2001:660:4406:395:2::1",
+      "kavlan-3": "2001:660:4406:383:2::1",
+      "kavlan-4": "2001:660:4406:384:2::1",
+      "kavlan-5": "2001:660:4406:385:2::1",
+      "kavlan-6": "2001:660:4406:386:2::1",
+      "kavlan-7": "2001:660:4406:387:2::1",
+      "kavlan-8": "2001:660:4406:388:2::1",
+      "kavlan-9": "2001:660:4406:389:2::1"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:381:2:1::1",
+      "kavlan-11": "2001:660:4406:38b:2:1::1",
+      "kavlan-12": "2001:660:4406:38c:2:1::1",
+      "kavlan-13": "2001:660:4406:38d:2:1::1",
+      "kavlan-14": "2001:660:4406:38e:2:1::1",
+      "kavlan-16": "2001:660:4406:390:2:1::1",
+      "kavlan-18": "2001:660:4406:392:2:1::1",
+      "kavlan-2": "2001:660:4406:382:2:1::1",
+      "kavlan-20": "2001:660:4406:394:2:1::1",
+      "kavlan-21": "2001:660:4406:395:2:1::1",
+      "kavlan-3": "2001:660:4406:383:2:1::1",
+      "kavlan-4": "2001:660:4406:384:2:1::1",
+      "kavlan-5": "2001:660:4406:385:2:1::1",
+      "kavlan-6": "2001:660:4406:386:2:1::1",
+      "kavlan-7": "2001:660:4406:387:2:1::1",
+      "kavlan-8": "2001:660:4406:388:2:1::1",
+      "kavlan-9": "2001:660:4406:389:2:1::1"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "FFV14.07.06 bc 7.14.11",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:300:2:1::1",
       "kavlan": true,
       "mac": "e0:db:55:09:67:b2",
       "management": false,
diff --git a/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-10.json b/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-10.json
index c85f924226502b199b74e4f251de68c09779fd95..fab34eee1ab529504ee9ee4921f4635b86749ce7 100644
--- a/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-10.json
+++ b/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-10.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.41.67.10"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:381:2::a",
+      "kavlan-11": "2001:660:4406:38b:2::a",
+      "kavlan-12": "2001:660:4406:38c:2::a",
+      "kavlan-13": "2001:660:4406:38d:2::a",
+      "kavlan-14": "2001:660:4406:38e:2::a",
+      "kavlan-16": "2001:660:4406:390:2::a",
+      "kavlan-18": "2001:660:4406:392:2::a",
+      "kavlan-2": "2001:660:4406:382:2::a",
+      "kavlan-20": "2001:660:4406:394:2::a",
+      "kavlan-21": "2001:660:4406:395:2::a",
+      "kavlan-3": "2001:660:4406:383:2::a",
+      "kavlan-4": "2001:660:4406:384:2::a",
+      "kavlan-5": "2001:660:4406:385:2::a",
+      "kavlan-6": "2001:660:4406:386:2::a",
+      "kavlan-7": "2001:660:4406:387:2::a",
+      "kavlan-8": "2001:660:4406:388:2::a",
+      "kavlan-9": "2001:660:4406:389:2::a"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:381:2:1::a",
+      "kavlan-11": "2001:660:4406:38b:2:1::a",
+      "kavlan-12": "2001:660:4406:38c:2:1::a",
+      "kavlan-13": "2001:660:4406:38d:2:1::a",
+      "kavlan-14": "2001:660:4406:38e:2:1::a",
+      "kavlan-16": "2001:660:4406:390:2:1::a",
+      "kavlan-18": "2001:660:4406:392:2:1::a",
+      "kavlan-2": "2001:660:4406:382:2:1::a",
+      "kavlan-20": "2001:660:4406:394:2:1::a",
+      "kavlan-21": "2001:660:4406:395:2:1::a",
+      "kavlan-3": "2001:660:4406:383:2:1::a",
+      "kavlan-4": "2001:660:4406:384:2:1::a",
+      "kavlan-5": "2001:660:4406:385:2:1::a",
+      "kavlan-6": "2001:660:4406:386:2:1::a",
+      "kavlan-7": "2001:660:4406:387:2:1::a",
+      "kavlan-8": "2001:660:4406:388:2:1::a",
+      "kavlan-9": "2001:660:4406:389:2:1::a"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "FFV14.07.06 bc 7.14.11",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:300:2:1::a",
       "kavlan": true,
       "mac": "e0:db:55:09:ac:92",
       "management": false,
diff --git a/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-11.json b/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-11.json
index 2fdb30703d83d0efc9a09a69dad6ad19a62c4ee6..d06029c040bbbe81fd88080676c6d624f9c4ad33 100644
--- a/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-11.json
+++ b/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-11.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.41.67.11"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:381:2::b",
+      "kavlan-11": "2001:660:4406:38b:2::b",
+      "kavlan-12": "2001:660:4406:38c:2::b",
+      "kavlan-13": "2001:660:4406:38d:2::b",
+      "kavlan-14": "2001:660:4406:38e:2::b",
+      "kavlan-16": "2001:660:4406:390:2::b",
+      "kavlan-18": "2001:660:4406:392:2::b",
+      "kavlan-2": "2001:660:4406:382:2::b",
+      "kavlan-20": "2001:660:4406:394:2::b",
+      "kavlan-21": "2001:660:4406:395:2::b",
+      "kavlan-3": "2001:660:4406:383:2::b",
+      "kavlan-4": "2001:660:4406:384:2::b",
+      "kavlan-5": "2001:660:4406:385:2::b",
+      "kavlan-6": "2001:660:4406:386:2::b",
+      "kavlan-7": "2001:660:4406:387:2::b",
+      "kavlan-8": "2001:660:4406:388:2::b",
+      "kavlan-9": "2001:660:4406:389:2::b"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:381:2:1::b",
+      "kavlan-11": "2001:660:4406:38b:2:1::b",
+      "kavlan-12": "2001:660:4406:38c:2:1::b",
+      "kavlan-13": "2001:660:4406:38d:2:1::b",
+      "kavlan-14": "2001:660:4406:38e:2:1::b",
+      "kavlan-16": "2001:660:4406:390:2:1::b",
+      "kavlan-18": "2001:660:4406:392:2:1::b",
+      "kavlan-2": "2001:660:4406:382:2:1::b",
+      "kavlan-20": "2001:660:4406:394:2:1::b",
+      "kavlan-21": "2001:660:4406:395:2:1::b",
+      "kavlan-3": "2001:660:4406:383:2:1::b",
+      "kavlan-4": "2001:660:4406:384:2:1::b",
+      "kavlan-5": "2001:660:4406:385:2:1::b",
+      "kavlan-6": "2001:660:4406:386:2:1::b",
+      "kavlan-7": "2001:660:4406:387:2:1::b",
+      "kavlan-8": "2001:660:4406:388:2:1::b",
+      "kavlan-9": "2001:660:4406:389:2:1::b"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "FFV14.07.06 bc 7.14.11",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:300:2:1::b",
       "kavlan": true,
       "mac": "e0:db:55:09:be:a2",
       "management": false,
diff --git a/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-13.json b/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-13.json
index df9d2e8f0a7d8ade895ed9059a104fca61d246af..8204c70f9e2233f8961f175e7eb8acdfd4343ce1 100644
--- a/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-13.json
+++ b/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-13.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.41.67.13"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:381:2::d",
+      "kavlan-11": "2001:660:4406:38b:2::d",
+      "kavlan-12": "2001:660:4406:38c:2::d",
+      "kavlan-13": "2001:660:4406:38d:2::d",
+      "kavlan-14": "2001:660:4406:38e:2::d",
+      "kavlan-16": "2001:660:4406:390:2::d",
+      "kavlan-18": "2001:660:4406:392:2::d",
+      "kavlan-2": "2001:660:4406:382:2::d",
+      "kavlan-20": "2001:660:4406:394:2::d",
+      "kavlan-21": "2001:660:4406:395:2::d",
+      "kavlan-3": "2001:660:4406:383:2::d",
+      "kavlan-4": "2001:660:4406:384:2::d",
+      "kavlan-5": "2001:660:4406:385:2::d",
+      "kavlan-6": "2001:660:4406:386:2::d",
+      "kavlan-7": "2001:660:4406:387:2::d",
+      "kavlan-8": "2001:660:4406:388:2::d",
+      "kavlan-9": "2001:660:4406:389:2::d"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:381:2:1::d",
+      "kavlan-11": "2001:660:4406:38b:2:1::d",
+      "kavlan-12": "2001:660:4406:38c:2:1::d",
+      "kavlan-13": "2001:660:4406:38d:2:1::d",
+      "kavlan-14": "2001:660:4406:38e:2:1::d",
+      "kavlan-16": "2001:660:4406:390:2:1::d",
+      "kavlan-18": "2001:660:4406:392:2:1::d",
+      "kavlan-2": "2001:660:4406:382:2:1::d",
+      "kavlan-20": "2001:660:4406:394:2:1::d",
+      "kavlan-21": "2001:660:4406:395:2:1::d",
+      "kavlan-3": "2001:660:4406:383:2:1::d",
+      "kavlan-4": "2001:660:4406:384:2:1::d",
+      "kavlan-5": "2001:660:4406:385:2:1::d",
+      "kavlan-6": "2001:660:4406:386:2:1::d",
+      "kavlan-7": "2001:660:4406:387:2:1::d",
+      "kavlan-8": "2001:660:4406:388:2:1::d",
+      "kavlan-9": "2001:660:4406:389:2:1::d"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "FFV14.07.06 bc 7.14.11",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:300:2:1::d",
       "kavlan": true,
       "mac": "e0:db:55:09:c3:b2",
       "management": false,
diff --git a/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-14.json b/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-14.json
index 99273cc7c0b42bdce6cdf4d3aa4c1df115c4da05..e85cfc5d6315368cfc177b31531987af20f74a09 100644
--- a/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-14.json
+++ b/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-14.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.41.67.14"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:381:2::e",
+      "kavlan-11": "2001:660:4406:38b:2::e",
+      "kavlan-12": "2001:660:4406:38c:2::e",
+      "kavlan-13": "2001:660:4406:38d:2::e",
+      "kavlan-14": "2001:660:4406:38e:2::e",
+      "kavlan-16": "2001:660:4406:390:2::e",
+      "kavlan-18": "2001:660:4406:392:2::e",
+      "kavlan-2": "2001:660:4406:382:2::e",
+      "kavlan-20": "2001:660:4406:394:2::e",
+      "kavlan-21": "2001:660:4406:395:2::e",
+      "kavlan-3": "2001:660:4406:383:2::e",
+      "kavlan-4": "2001:660:4406:384:2::e",
+      "kavlan-5": "2001:660:4406:385:2::e",
+      "kavlan-6": "2001:660:4406:386:2::e",
+      "kavlan-7": "2001:660:4406:387:2::e",
+      "kavlan-8": "2001:660:4406:388:2::e",
+      "kavlan-9": "2001:660:4406:389:2::e"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:381:2:1::e",
+      "kavlan-11": "2001:660:4406:38b:2:1::e",
+      "kavlan-12": "2001:660:4406:38c:2:1::e",
+      "kavlan-13": "2001:660:4406:38d:2:1::e",
+      "kavlan-14": "2001:660:4406:38e:2:1::e",
+      "kavlan-16": "2001:660:4406:390:2:1::e",
+      "kavlan-18": "2001:660:4406:392:2:1::e",
+      "kavlan-2": "2001:660:4406:382:2:1::e",
+      "kavlan-20": "2001:660:4406:394:2:1::e",
+      "kavlan-21": "2001:660:4406:395:2:1::e",
+      "kavlan-3": "2001:660:4406:383:2:1::e",
+      "kavlan-4": "2001:660:4406:384:2:1::e",
+      "kavlan-5": "2001:660:4406:385:2:1::e",
+      "kavlan-6": "2001:660:4406:386:2:1::e",
+      "kavlan-7": "2001:660:4406:387:2:1::e",
+      "kavlan-8": "2001:660:4406:388:2:1::e",
+      "kavlan-9": "2001:660:4406:389:2:1::e"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "FFV14.07.06 bc 7.14.11",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:300:2:1::e",
       "kavlan": true,
       "mac": "e0:db:55:09:d1:22",
       "management": false,
diff --git a/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-15.json b/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-15.json
index 0e66ce838d9215fb630086efeab72606e5068b54..2efcf4e3e814f54e3cb0f0b529b3536c3322a5fe 100644
--- a/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-15.json
+++ b/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-15.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.41.67.15"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:381:2::f",
+      "kavlan-11": "2001:660:4406:38b:2::f",
+      "kavlan-12": "2001:660:4406:38c:2::f",
+      "kavlan-13": "2001:660:4406:38d:2::f",
+      "kavlan-14": "2001:660:4406:38e:2::f",
+      "kavlan-16": "2001:660:4406:390:2::f",
+      "kavlan-18": "2001:660:4406:392:2::f",
+      "kavlan-2": "2001:660:4406:382:2::f",
+      "kavlan-20": "2001:660:4406:394:2::f",
+      "kavlan-21": "2001:660:4406:395:2::f",
+      "kavlan-3": "2001:660:4406:383:2::f",
+      "kavlan-4": "2001:660:4406:384:2::f",
+      "kavlan-5": "2001:660:4406:385:2::f",
+      "kavlan-6": "2001:660:4406:386:2::f",
+      "kavlan-7": "2001:660:4406:387:2::f",
+      "kavlan-8": "2001:660:4406:388:2::f",
+      "kavlan-9": "2001:660:4406:389:2::f"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:381:2:1::f",
+      "kavlan-11": "2001:660:4406:38b:2:1::f",
+      "kavlan-12": "2001:660:4406:38c:2:1::f",
+      "kavlan-13": "2001:660:4406:38d:2:1::f",
+      "kavlan-14": "2001:660:4406:38e:2:1::f",
+      "kavlan-16": "2001:660:4406:390:2:1::f",
+      "kavlan-18": "2001:660:4406:392:2:1::f",
+      "kavlan-2": "2001:660:4406:382:2:1::f",
+      "kavlan-20": "2001:660:4406:394:2:1::f",
+      "kavlan-21": "2001:660:4406:395:2:1::f",
+      "kavlan-3": "2001:660:4406:383:2:1::f",
+      "kavlan-4": "2001:660:4406:384:2:1::f",
+      "kavlan-5": "2001:660:4406:385:2:1::f",
+      "kavlan-6": "2001:660:4406:386:2:1::f",
+      "kavlan-7": "2001:660:4406:387:2:1::f",
+      "kavlan-8": "2001:660:4406:388:2:1::f",
+      "kavlan-9": "2001:660:4406:389:2:1::f"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "FFV14.07.06 bc 7.14.11",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:300:2:1::f",
       "kavlan": true,
       "mac": "e0:db:55:09:85:d2",
       "management": false,
diff --git a/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-16.json b/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-16.json
index 2cf219b9e5f6305fbfab5cd98d2876b90b395926..9527decf476b27c6e5f78d36ba2620fee9526b83 100644
--- a/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-16.json
+++ b/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-16.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.41.67.16"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:381:2::10",
+      "kavlan-11": "2001:660:4406:38b:2::10",
+      "kavlan-12": "2001:660:4406:38c:2::10",
+      "kavlan-13": "2001:660:4406:38d:2::10",
+      "kavlan-14": "2001:660:4406:38e:2::10",
+      "kavlan-16": "2001:660:4406:390:2::10",
+      "kavlan-18": "2001:660:4406:392:2::10",
+      "kavlan-2": "2001:660:4406:382:2::10",
+      "kavlan-20": "2001:660:4406:394:2::10",
+      "kavlan-21": "2001:660:4406:395:2::10",
+      "kavlan-3": "2001:660:4406:383:2::10",
+      "kavlan-4": "2001:660:4406:384:2::10",
+      "kavlan-5": "2001:660:4406:385:2::10",
+      "kavlan-6": "2001:660:4406:386:2::10",
+      "kavlan-7": "2001:660:4406:387:2::10",
+      "kavlan-8": "2001:660:4406:388:2::10",
+      "kavlan-9": "2001:660:4406:389:2::10"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:381:2:1::10",
+      "kavlan-11": "2001:660:4406:38b:2:1::10",
+      "kavlan-12": "2001:660:4406:38c:2:1::10",
+      "kavlan-13": "2001:660:4406:38d:2:1::10",
+      "kavlan-14": "2001:660:4406:38e:2:1::10",
+      "kavlan-16": "2001:660:4406:390:2:1::10",
+      "kavlan-18": "2001:660:4406:392:2:1::10",
+      "kavlan-2": "2001:660:4406:382:2:1::10",
+      "kavlan-20": "2001:660:4406:394:2:1::10",
+      "kavlan-21": "2001:660:4406:395:2:1::10",
+      "kavlan-3": "2001:660:4406:383:2:1::10",
+      "kavlan-4": "2001:660:4406:384:2:1::10",
+      "kavlan-5": "2001:660:4406:385:2:1::10",
+      "kavlan-6": "2001:660:4406:386:2:1::10",
+      "kavlan-7": "2001:660:4406:387:2:1::10",
+      "kavlan-8": "2001:660:4406:388:2:1::10",
+      "kavlan-9": "2001:660:4406:389:2:1::10"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "FFV14.07.06 bc 7.14.11",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:300:2:1::10",
       "kavlan": true,
       "mac": "e0:db:55:09:ef:a2",
       "management": false,
diff --git a/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-2.json b/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-2.json
index b3e8be91f03ae054f4a2e57f6cac8edb1dffc9eb..cba1cec8f36a78377f26660661cf7942e2c319d1 100644
--- a/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-2.json
+++ b/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-2.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.41.67.2"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:381:2::2",
+      "kavlan-11": "2001:660:4406:38b:2::2",
+      "kavlan-12": "2001:660:4406:38c:2::2",
+      "kavlan-13": "2001:660:4406:38d:2::2",
+      "kavlan-14": "2001:660:4406:38e:2::2",
+      "kavlan-16": "2001:660:4406:390:2::2",
+      "kavlan-18": "2001:660:4406:392:2::2",
+      "kavlan-2": "2001:660:4406:382:2::2",
+      "kavlan-20": "2001:660:4406:394:2::2",
+      "kavlan-21": "2001:660:4406:395:2::2",
+      "kavlan-3": "2001:660:4406:383:2::2",
+      "kavlan-4": "2001:660:4406:384:2::2",
+      "kavlan-5": "2001:660:4406:385:2::2",
+      "kavlan-6": "2001:660:4406:386:2::2",
+      "kavlan-7": "2001:660:4406:387:2::2",
+      "kavlan-8": "2001:660:4406:388:2::2",
+      "kavlan-9": "2001:660:4406:389:2::2"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:381:2:1::2",
+      "kavlan-11": "2001:660:4406:38b:2:1::2",
+      "kavlan-12": "2001:660:4406:38c:2:1::2",
+      "kavlan-13": "2001:660:4406:38d:2:1::2",
+      "kavlan-14": "2001:660:4406:38e:2:1::2",
+      "kavlan-16": "2001:660:4406:390:2:1::2",
+      "kavlan-18": "2001:660:4406:392:2:1::2",
+      "kavlan-2": "2001:660:4406:382:2:1::2",
+      "kavlan-20": "2001:660:4406:394:2:1::2",
+      "kavlan-21": "2001:660:4406:395:2:1::2",
+      "kavlan-3": "2001:660:4406:383:2:1::2",
+      "kavlan-4": "2001:660:4406:384:2:1::2",
+      "kavlan-5": "2001:660:4406:385:2:1::2",
+      "kavlan-6": "2001:660:4406:386:2:1::2",
+      "kavlan-7": "2001:660:4406:387:2:1::2",
+      "kavlan-8": "2001:660:4406:388:2:1::2",
+      "kavlan-9": "2001:660:4406:389:2:1::2"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "FFV14.07.06 bc 7.14.11",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:300:2:1::2",
       "kavlan": true,
       "mac": "e0:db:55:09:87:92",
       "management": false,
diff --git a/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-3.json b/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-3.json
index 9d55afb2f943c9828afdc67c04cc4c5f3cf36b7b..2d48bf83bffa8442ed2d5ed911cf4f3820413728 100644
--- a/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-3.json
+++ b/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-3.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.41.67.3"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:381:2::3",
+      "kavlan-11": "2001:660:4406:38b:2::3",
+      "kavlan-12": "2001:660:4406:38c:2::3",
+      "kavlan-13": "2001:660:4406:38d:2::3",
+      "kavlan-14": "2001:660:4406:38e:2::3",
+      "kavlan-16": "2001:660:4406:390:2::3",
+      "kavlan-18": "2001:660:4406:392:2::3",
+      "kavlan-2": "2001:660:4406:382:2::3",
+      "kavlan-20": "2001:660:4406:394:2::3",
+      "kavlan-21": "2001:660:4406:395:2::3",
+      "kavlan-3": "2001:660:4406:383:2::3",
+      "kavlan-4": "2001:660:4406:384:2::3",
+      "kavlan-5": "2001:660:4406:385:2::3",
+      "kavlan-6": "2001:660:4406:386:2::3",
+      "kavlan-7": "2001:660:4406:387:2::3",
+      "kavlan-8": "2001:660:4406:388:2::3",
+      "kavlan-9": "2001:660:4406:389:2::3"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:381:2:1::3",
+      "kavlan-11": "2001:660:4406:38b:2:1::3",
+      "kavlan-12": "2001:660:4406:38c:2:1::3",
+      "kavlan-13": "2001:660:4406:38d:2:1::3",
+      "kavlan-14": "2001:660:4406:38e:2:1::3",
+      "kavlan-16": "2001:660:4406:390:2:1::3",
+      "kavlan-18": "2001:660:4406:392:2:1::3",
+      "kavlan-2": "2001:660:4406:382:2:1::3",
+      "kavlan-20": "2001:660:4406:394:2:1::3",
+      "kavlan-21": "2001:660:4406:395:2:1::3",
+      "kavlan-3": "2001:660:4406:383:2:1::3",
+      "kavlan-4": "2001:660:4406:384:2:1::3",
+      "kavlan-5": "2001:660:4406:385:2:1::3",
+      "kavlan-6": "2001:660:4406:386:2:1::3",
+      "kavlan-7": "2001:660:4406:387:2:1::3",
+      "kavlan-8": "2001:660:4406:388:2:1::3",
+      "kavlan-9": "2001:660:4406:389:2:1::3"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "FFV14.07.06 bc 7.14.11",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:300:2:1::3",
       "kavlan": true,
       "mac": "e0:db:55:09:65:72",
       "management": false,
diff --git a/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-4.json b/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-4.json
index 5c26ef79ae5d287b2edd72930c67aefb4b48c726..48cfb51af8a34ffd10999d420795a3730d086de4 100644
--- a/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-4.json
+++ b/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-4.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.41.67.4"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:381:2::4",
+      "kavlan-11": "2001:660:4406:38b:2::4",
+      "kavlan-12": "2001:660:4406:38c:2::4",
+      "kavlan-13": "2001:660:4406:38d:2::4",
+      "kavlan-14": "2001:660:4406:38e:2::4",
+      "kavlan-16": "2001:660:4406:390:2::4",
+      "kavlan-18": "2001:660:4406:392:2::4",
+      "kavlan-2": "2001:660:4406:382:2::4",
+      "kavlan-20": "2001:660:4406:394:2::4",
+      "kavlan-21": "2001:660:4406:395:2::4",
+      "kavlan-3": "2001:660:4406:383:2::4",
+      "kavlan-4": "2001:660:4406:384:2::4",
+      "kavlan-5": "2001:660:4406:385:2::4",
+      "kavlan-6": "2001:660:4406:386:2::4",
+      "kavlan-7": "2001:660:4406:387:2::4",
+      "kavlan-8": "2001:660:4406:388:2::4",
+      "kavlan-9": "2001:660:4406:389:2::4"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:381:2:1::4",
+      "kavlan-11": "2001:660:4406:38b:2:1::4",
+      "kavlan-12": "2001:660:4406:38c:2:1::4",
+      "kavlan-13": "2001:660:4406:38d:2:1::4",
+      "kavlan-14": "2001:660:4406:38e:2:1::4",
+      "kavlan-16": "2001:660:4406:390:2:1::4",
+      "kavlan-18": "2001:660:4406:392:2:1::4",
+      "kavlan-2": "2001:660:4406:382:2:1::4",
+      "kavlan-20": "2001:660:4406:394:2:1::4",
+      "kavlan-21": "2001:660:4406:395:2:1::4",
+      "kavlan-3": "2001:660:4406:383:2:1::4",
+      "kavlan-4": "2001:660:4406:384:2:1::4",
+      "kavlan-5": "2001:660:4406:385:2:1::4",
+      "kavlan-6": "2001:660:4406:386:2:1::4",
+      "kavlan-7": "2001:660:4406:387:2:1::4",
+      "kavlan-8": "2001:660:4406:388:2:1::4",
+      "kavlan-9": "2001:660:4406:389:2:1::4"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "FFV14.07.06 bc 7.14.11",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:300:2:1::4",
       "kavlan": true,
       "mac": "e0:db:55:09:71:92",
       "management": false,
diff --git a/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-5.json b/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-5.json
index 604988587e7abd51e561211f2a962f678baa5f81..bf8497726e43e8391311f8c64b0a1606131db28d 100644
--- a/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-5.json
+++ b/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-5.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.41.67.5"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:381:2::5",
+      "kavlan-11": "2001:660:4406:38b:2::5",
+      "kavlan-12": "2001:660:4406:38c:2::5",
+      "kavlan-13": "2001:660:4406:38d:2::5",
+      "kavlan-14": "2001:660:4406:38e:2::5",
+      "kavlan-16": "2001:660:4406:390:2::5",
+      "kavlan-18": "2001:660:4406:392:2::5",
+      "kavlan-2": "2001:660:4406:382:2::5",
+      "kavlan-20": "2001:660:4406:394:2::5",
+      "kavlan-21": "2001:660:4406:395:2::5",
+      "kavlan-3": "2001:660:4406:383:2::5",
+      "kavlan-4": "2001:660:4406:384:2::5",
+      "kavlan-5": "2001:660:4406:385:2::5",
+      "kavlan-6": "2001:660:4406:386:2::5",
+      "kavlan-7": "2001:660:4406:387:2::5",
+      "kavlan-8": "2001:660:4406:388:2::5",
+      "kavlan-9": "2001:660:4406:389:2::5"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:381:2:1::5",
+      "kavlan-11": "2001:660:4406:38b:2:1::5",
+      "kavlan-12": "2001:660:4406:38c:2:1::5",
+      "kavlan-13": "2001:660:4406:38d:2:1::5",
+      "kavlan-14": "2001:660:4406:38e:2:1::5",
+      "kavlan-16": "2001:660:4406:390:2:1::5",
+      "kavlan-18": "2001:660:4406:392:2:1::5",
+      "kavlan-2": "2001:660:4406:382:2:1::5",
+      "kavlan-20": "2001:660:4406:394:2:1::5",
+      "kavlan-21": "2001:660:4406:395:2:1::5",
+      "kavlan-3": "2001:660:4406:383:2:1::5",
+      "kavlan-4": "2001:660:4406:384:2:1::5",
+      "kavlan-5": "2001:660:4406:385:2:1::5",
+      "kavlan-6": "2001:660:4406:386:2:1::5",
+      "kavlan-7": "2001:660:4406:387:2:1::5",
+      "kavlan-8": "2001:660:4406:388:2:1::5",
+      "kavlan-9": "2001:660:4406:389:2:1::5"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "FFV14.07.06 bc 7.14.11",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:300:2:1::5",
       "kavlan": true,
       "mac": "e0:db:55:09:d0:42",
       "management": false,
diff --git a/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-6.json b/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-6.json
index 6805b7b3efa7e2c9e20a47d8ef5ddb4046e9a565..785cab2067e2b4e1575e719f7087c1bff8a5e8a4 100644
--- a/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-6.json
+++ b/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-6.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.41.67.6"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:381:2::6",
+      "kavlan-11": "2001:660:4406:38b:2::6",
+      "kavlan-12": "2001:660:4406:38c:2::6",
+      "kavlan-13": "2001:660:4406:38d:2::6",
+      "kavlan-14": "2001:660:4406:38e:2::6",
+      "kavlan-16": "2001:660:4406:390:2::6",
+      "kavlan-18": "2001:660:4406:392:2::6",
+      "kavlan-2": "2001:660:4406:382:2::6",
+      "kavlan-20": "2001:660:4406:394:2::6",
+      "kavlan-21": "2001:660:4406:395:2::6",
+      "kavlan-3": "2001:660:4406:383:2::6",
+      "kavlan-4": "2001:660:4406:384:2::6",
+      "kavlan-5": "2001:660:4406:385:2::6",
+      "kavlan-6": "2001:660:4406:386:2::6",
+      "kavlan-7": "2001:660:4406:387:2::6",
+      "kavlan-8": "2001:660:4406:388:2::6",
+      "kavlan-9": "2001:660:4406:389:2::6"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:381:2:1::6",
+      "kavlan-11": "2001:660:4406:38b:2:1::6",
+      "kavlan-12": "2001:660:4406:38c:2:1::6",
+      "kavlan-13": "2001:660:4406:38d:2:1::6",
+      "kavlan-14": "2001:660:4406:38e:2:1::6",
+      "kavlan-16": "2001:660:4406:390:2:1::6",
+      "kavlan-18": "2001:660:4406:392:2:1::6",
+      "kavlan-2": "2001:660:4406:382:2:1::6",
+      "kavlan-20": "2001:660:4406:394:2:1::6",
+      "kavlan-21": "2001:660:4406:395:2:1::6",
+      "kavlan-3": "2001:660:4406:383:2:1::6",
+      "kavlan-4": "2001:660:4406:384:2:1::6",
+      "kavlan-5": "2001:660:4406:385:2:1::6",
+      "kavlan-6": "2001:660:4406:386:2:1::6",
+      "kavlan-7": "2001:660:4406:387:2:1::6",
+      "kavlan-8": "2001:660:4406:388:2:1::6",
+      "kavlan-9": "2001:660:4406:389:2:1::6"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "FFV14.07.06 bc 7.14.11",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:300:2:1::6",
       "kavlan": true,
       "mac": "e0:db:55:09:7b:72",
       "management": false,
diff --git a/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-7.json b/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-7.json
index b4b7154ab96165fb899f317c6c78ce3914c10ffc..fc3c73a2fd5732349684f0dddf40cab30ed408fe 100644
--- a/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-7.json
+++ b/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-7.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.41.67.7"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:381:2::7",
+      "kavlan-11": "2001:660:4406:38b:2::7",
+      "kavlan-12": "2001:660:4406:38c:2::7",
+      "kavlan-13": "2001:660:4406:38d:2::7",
+      "kavlan-14": "2001:660:4406:38e:2::7",
+      "kavlan-16": "2001:660:4406:390:2::7",
+      "kavlan-18": "2001:660:4406:392:2::7",
+      "kavlan-2": "2001:660:4406:382:2::7",
+      "kavlan-20": "2001:660:4406:394:2::7",
+      "kavlan-21": "2001:660:4406:395:2::7",
+      "kavlan-3": "2001:660:4406:383:2::7",
+      "kavlan-4": "2001:660:4406:384:2::7",
+      "kavlan-5": "2001:660:4406:385:2::7",
+      "kavlan-6": "2001:660:4406:386:2::7",
+      "kavlan-7": "2001:660:4406:387:2::7",
+      "kavlan-8": "2001:660:4406:388:2::7",
+      "kavlan-9": "2001:660:4406:389:2::7"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:381:2:1::7",
+      "kavlan-11": "2001:660:4406:38b:2:1::7",
+      "kavlan-12": "2001:660:4406:38c:2:1::7",
+      "kavlan-13": "2001:660:4406:38d:2:1::7",
+      "kavlan-14": "2001:660:4406:38e:2:1::7",
+      "kavlan-16": "2001:660:4406:390:2:1::7",
+      "kavlan-18": "2001:660:4406:392:2:1::7",
+      "kavlan-2": "2001:660:4406:382:2:1::7",
+      "kavlan-20": "2001:660:4406:394:2:1::7",
+      "kavlan-21": "2001:660:4406:395:2:1::7",
+      "kavlan-3": "2001:660:4406:383:2:1::7",
+      "kavlan-4": "2001:660:4406:384:2:1::7",
+      "kavlan-5": "2001:660:4406:385:2:1::7",
+      "kavlan-6": "2001:660:4406:386:2:1::7",
+      "kavlan-7": "2001:660:4406:387:2:1::7",
+      "kavlan-8": "2001:660:4406:388:2:1::7",
+      "kavlan-9": "2001:660:4406:389:2:1::7"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "FFV14.07.06 bc 7.14.11",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:300:2:1::7",
       "kavlan": true,
       "mac": "e0:db:55:09:ac:82",
       "management": false,
diff --git a/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-8.json b/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-8.json
index b647c9d892c012c0ed107dd0f621a7d3280498a9..e62bf621bb148e8f3cf9f4d87989666c566e262c 100644
--- a/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-8.json
+++ b/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-8.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.41.67.8"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:381:2::8",
+      "kavlan-11": "2001:660:4406:38b:2::8",
+      "kavlan-12": "2001:660:4406:38c:2::8",
+      "kavlan-13": "2001:660:4406:38d:2::8",
+      "kavlan-14": "2001:660:4406:38e:2::8",
+      "kavlan-16": "2001:660:4406:390:2::8",
+      "kavlan-18": "2001:660:4406:392:2::8",
+      "kavlan-2": "2001:660:4406:382:2::8",
+      "kavlan-20": "2001:660:4406:394:2::8",
+      "kavlan-21": "2001:660:4406:395:2::8",
+      "kavlan-3": "2001:660:4406:383:2::8",
+      "kavlan-4": "2001:660:4406:384:2::8",
+      "kavlan-5": "2001:660:4406:385:2::8",
+      "kavlan-6": "2001:660:4406:386:2::8",
+      "kavlan-7": "2001:660:4406:387:2::8",
+      "kavlan-8": "2001:660:4406:388:2::8",
+      "kavlan-9": "2001:660:4406:389:2::8"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:381:2:1::8",
+      "kavlan-11": "2001:660:4406:38b:2:1::8",
+      "kavlan-12": "2001:660:4406:38c:2:1::8",
+      "kavlan-13": "2001:660:4406:38d:2:1::8",
+      "kavlan-14": "2001:660:4406:38e:2:1::8",
+      "kavlan-16": "2001:660:4406:390:2:1::8",
+      "kavlan-18": "2001:660:4406:392:2:1::8",
+      "kavlan-2": "2001:660:4406:382:2:1::8",
+      "kavlan-20": "2001:660:4406:394:2:1::8",
+      "kavlan-21": "2001:660:4406:395:2:1::8",
+      "kavlan-3": "2001:660:4406:383:2:1::8",
+      "kavlan-4": "2001:660:4406:384:2:1::8",
+      "kavlan-5": "2001:660:4406:385:2:1::8",
+      "kavlan-6": "2001:660:4406:386:2:1::8",
+      "kavlan-7": "2001:660:4406:387:2:1::8",
+      "kavlan-8": "2001:660:4406:388:2:1::8",
+      "kavlan-9": "2001:660:4406:389:2:1::8"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "FFV14.07.06 bc 7.14.11",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:300:2:1::8",
       "kavlan": true,
       "mac": "e0:db:55:09:85:f2",
       "management": false,
diff --git a/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-9.json b/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-9.json
index 115b488252a553f7c5feae7dc7cb2e73e11d705c..20f27dd8bdc0a11af60e849ac9573edf7b2bc547 100644
--- a/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-9.json
+++ b/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-9.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.41.67.9"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:381:2::9",
+      "kavlan-11": "2001:660:4406:38b:2::9",
+      "kavlan-12": "2001:660:4406:38c:2::9",
+      "kavlan-13": "2001:660:4406:38d:2::9",
+      "kavlan-14": "2001:660:4406:38e:2::9",
+      "kavlan-16": "2001:660:4406:390:2::9",
+      "kavlan-18": "2001:660:4406:392:2::9",
+      "kavlan-2": "2001:660:4406:382:2::9",
+      "kavlan-20": "2001:660:4406:394:2::9",
+      "kavlan-21": "2001:660:4406:395:2::9",
+      "kavlan-3": "2001:660:4406:383:2::9",
+      "kavlan-4": "2001:660:4406:384:2::9",
+      "kavlan-5": "2001:660:4406:385:2::9",
+      "kavlan-6": "2001:660:4406:386:2::9",
+      "kavlan-7": "2001:660:4406:387:2::9",
+      "kavlan-8": "2001:660:4406:388:2::9",
+      "kavlan-9": "2001:660:4406:389:2::9"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:381:2:1::9",
+      "kavlan-11": "2001:660:4406:38b:2:1::9",
+      "kavlan-12": "2001:660:4406:38c:2:1::9",
+      "kavlan-13": "2001:660:4406:38d:2:1::9",
+      "kavlan-14": "2001:660:4406:38e:2:1::9",
+      "kavlan-16": "2001:660:4406:390:2:1::9",
+      "kavlan-18": "2001:660:4406:392:2:1::9",
+      "kavlan-2": "2001:660:4406:382:2:1::9",
+      "kavlan-20": "2001:660:4406:394:2:1::9",
+      "kavlan-21": "2001:660:4406:395:2:1::9",
+      "kavlan-3": "2001:660:4406:383:2:1::9",
+      "kavlan-4": "2001:660:4406:384:2:1::9",
+      "kavlan-5": "2001:660:4406:385:2:1::9",
+      "kavlan-6": "2001:660:4406:386:2:1::9",
+      "kavlan-7": "2001:660:4406:387:2:1::9",
+      "kavlan-8": "2001:660:4406:388:2:1::9",
+      "kavlan-9": "2001:660:4406:389:2:1::9"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "FFV14.07.06 bc 7.14.11",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:300:2:1::9",
       "kavlan": true,
       "mac": "e0:db:55:09:7d:32",
       "management": false,
diff --git a/data/grid5000/sites/lyon/clusters/gemini/nodes/gemini-1.json b/data/grid5000/sites/lyon/clusters/gemini/nodes/gemini-1.json
index a1610e1bdd9fd68868bf0d7c330d068039254d51..b68cae6ffe99753a6979a53bc1ff493563a77fa1 100644
--- a/data/grid5000/sites/lyon/clusters/gemini/nodes/gemini-1.json
+++ b/data/grid5000/sites/lyon/clusters/gemini/nodes/gemini-1.json
@@ -112,6 +112,27 @@
       "kavlan-9": "10.13.69.1"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:481:6::1",
+      "kavlan-11": "2001:660:4406:48b:6::1",
+      "kavlan-12": "2001:660:4406:48c:6::1",
+      "kavlan-13": "2001:660:4406:48d:6::1",
+      "kavlan-14": "2001:660:4406:48e:6::1",
+      "kavlan-16": "2001:660:4406:490:6::1",
+      "kavlan-18": "2001:660:4406:492:6::1",
+      "kavlan-2": "2001:660:4406:482:6::1",
+      "kavlan-20": "2001:660:4406:494:6::1",
+      "kavlan-21": "2001:660:4406:495:6::1",
+      "kavlan-3": "2001:660:4406:483:6::1",
+      "kavlan-4": "2001:660:4406:484:6::1",
+      "kavlan-5": "2001:660:4406:485:6::1",
+      "kavlan-6": "2001:660:4406:486:6::1",
+      "kavlan-7": "2001:660:4406:487:6::1",
+      "kavlan-8": "2001:660:4406:488:6::1",
+      "kavlan-9": "2001:660:4406:489:6::1"
+    }
+  },
   "main_memory": {
     "ram_size": 549755813888
   },
diff --git a/data/grid5000/sites/lyon/clusters/gemini/nodes/gemini-2.json b/data/grid5000/sites/lyon/clusters/gemini/nodes/gemini-2.json
index 10f08efefe37b7dff1b1f0cef057d4eb44d57894..7635da844aa698526715976568433b2932525b30 100644
--- a/data/grid5000/sites/lyon/clusters/gemini/nodes/gemini-2.json
+++ b/data/grid5000/sites/lyon/clusters/gemini/nodes/gemini-2.json
@@ -112,6 +112,27 @@
       "kavlan-9": "10.13.69.2"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:481:6::2",
+      "kavlan-11": "2001:660:4406:48b:6::2",
+      "kavlan-12": "2001:660:4406:48c:6::2",
+      "kavlan-13": "2001:660:4406:48d:6::2",
+      "kavlan-14": "2001:660:4406:48e:6::2",
+      "kavlan-16": "2001:660:4406:490:6::2",
+      "kavlan-18": "2001:660:4406:492:6::2",
+      "kavlan-2": "2001:660:4406:482:6::2",
+      "kavlan-20": "2001:660:4406:494:6::2",
+      "kavlan-21": "2001:660:4406:495:6::2",
+      "kavlan-3": "2001:660:4406:483:6::2",
+      "kavlan-4": "2001:660:4406:484:6::2",
+      "kavlan-5": "2001:660:4406:485:6::2",
+      "kavlan-6": "2001:660:4406:486:6::2",
+      "kavlan-7": "2001:660:4406:487:6::2",
+      "kavlan-8": "2001:660:4406:488:6::2",
+      "kavlan-9": "2001:660:4406:489:6::2"
+    }
+  },
   "main_memory": {
     "ram_size": 549755813888
   },
diff --git a/data/grid5000/sites/lyon/clusters/hercule/nodes/hercule-1.json b/data/grid5000/sites/lyon/clusters/hercule/nodes/hercule-1.json
index d5a3bf5043949d4a96ef8c472e32649d309f78c8..78939e51d6162b99946e7d6bb5e44db848676488 100644
--- a/data/grid5000/sites/lyon/clusters/hercule/nodes/hercule-1.json
+++ b/data/grid5000/sites/lyon/clusters/hercule/nodes/hercule-1.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.13.67.1"
     }
   },
+  "kavlan6": {
+    "eth1": {
+      "kavlan-1": "2001:660:4406:481:4::1",
+      "kavlan-11": "2001:660:4406:48b:4::1",
+      "kavlan-12": "2001:660:4406:48c:4::1",
+      "kavlan-13": "2001:660:4406:48d:4::1",
+      "kavlan-14": "2001:660:4406:48e:4::1",
+      "kavlan-16": "2001:660:4406:490:4::1",
+      "kavlan-18": "2001:660:4406:492:4::1",
+      "kavlan-2": "2001:660:4406:482:4::1",
+      "kavlan-20": "2001:660:4406:494:4::1",
+      "kavlan-21": "2001:660:4406:495:4::1",
+      "kavlan-3": "2001:660:4406:483:4::1",
+      "kavlan-4": "2001:660:4406:484:4::1",
+      "kavlan-5": "2001:660:4406:485:4::1",
+      "kavlan-6": "2001:660:4406:486:4::1",
+      "kavlan-7": "2001:660:4406:487:4::1",
+      "kavlan-8": "2001:660:4406:488:4::1",
+      "kavlan-9": "2001:660:4406:489:4::1"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
diff --git a/data/grid5000/sites/lyon/clusters/hercule/nodes/hercule-2.json b/data/grid5000/sites/lyon/clusters/hercule/nodes/hercule-2.json
index 6fec20ff6ee62b678f5565650306413a1ba8eca3..5da8577af9cc3acf0486c4a956a8ef4c171c8c81 100644
--- a/data/grid5000/sites/lyon/clusters/hercule/nodes/hercule-2.json
+++ b/data/grid5000/sites/lyon/clusters/hercule/nodes/hercule-2.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.13.67.2"
     }
   },
+  "kavlan6": {
+    "eth1": {
+      "kavlan-1": "2001:660:4406:481:4::2",
+      "kavlan-11": "2001:660:4406:48b:4::2",
+      "kavlan-12": "2001:660:4406:48c:4::2",
+      "kavlan-13": "2001:660:4406:48d:4::2",
+      "kavlan-14": "2001:660:4406:48e:4::2",
+      "kavlan-16": "2001:660:4406:490:4::2",
+      "kavlan-18": "2001:660:4406:492:4::2",
+      "kavlan-2": "2001:660:4406:482:4::2",
+      "kavlan-20": "2001:660:4406:494:4::2",
+      "kavlan-21": "2001:660:4406:495:4::2",
+      "kavlan-3": "2001:660:4406:483:4::2",
+      "kavlan-4": "2001:660:4406:484:4::2",
+      "kavlan-5": "2001:660:4406:485:4::2",
+      "kavlan-6": "2001:660:4406:486:4::2",
+      "kavlan-7": "2001:660:4406:487:4::2",
+      "kavlan-8": "2001:660:4406:488:4::2",
+      "kavlan-9": "2001:660:4406:489:4::2"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
diff --git a/data/grid5000/sites/lyon/clusters/hercule/nodes/hercule-3.json b/data/grid5000/sites/lyon/clusters/hercule/nodes/hercule-3.json
index 6b7b9505e9628a5c18fdda053d5be632aab538c0..cc5ae12c787e147ca4dc9471aeebf377de898363 100644
--- a/data/grid5000/sites/lyon/clusters/hercule/nodes/hercule-3.json
+++ b/data/grid5000/sites/lyon/clusters/hercule/nodes/hercule-3.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.13.67.3"
     }
   },
+  "kavlan6": {
+    "eth1": {
+      "kavlan-1": "2001:660:4406:481:4::3",
+      "kavlan-11": "2001:660:4406:48b:4::3",
+      "kavlan-12": "2001:660:4406:48c:4::3",
+      "kavlan-13": "2001:660:4406:48d:4::3",
+      "kavlan-14": "2001:660:4406:48e:4::3",
+      "kavlan-16": "2001:660:4406:490:4::3",
+      "kavlan-18": "2001:660:4406:492:4::3",
+      "kavlan-2": "2001:660:4406:482:4::3",
+      "kavlan-20": "2001:660:4406:494:4::3",
+      "kavlan-21": "2001:660:4406:495:4::3",
+      "kavlan-3": "2001:660:4406:483:4::3",
+      "kavlan-4": "2001:660:4406:484:4::3",
+      "kavlan-5": "2001:660:4406:485:4::3",
+      "kavlan-6": "2001:660:4406:486:4::3",
+      "kavlan-7": "2001:660:4406:487:4::3",
+      "kavlan-8": "2001:660:4406:488:4::3",
+      "kavlan-9": "2001:660:4406:489:4::3"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
diff --git a/data/grid5000/sites/lyon/clusters/hercule/nodes/hercule-4.json b/data/grid5000/sites/lyon/clusters/hercule/nodes/hercule-4.json
index 21faca063ea0273f06040435aeb83ad4255186f7..a25b54527fc191e9683b5b710e0632a377c34f65 100644
--- a/data/grid5000/sites/lyon/clusters/hercule/nodes/hercule-4.json
+++ b/data/grid5000/sites/lyon/clusters/hercule/nodes/hercule-4.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.13.67.4"
     }
   },
+  "kavlan6": {
+    "eth1": {
+      "kavlan-1": "2001:660:4406:481:4::4",
+      "kavlan-11": "2001:660:4406:48b:4::4",
+      "kavlan-12": "2001:660:4406:48c:4::4",
+      "kavlan-13": "2001:660:4406:48d:4::4",
+      "kavlan-14": "2001:660:4406:48e:4::4",
+      "kavlan-16": "2001:660:4406:490:4::4",
+      "kavlan-18": "2001:660:4406:492:4::4",
+      "kavlan-2": "2001:660:4406:482:4::4",
+      "kavlan-20": "2001:660:4406:494:4::4",
+      "kavlan-21": "2001:660:4406:495:4::4",
+      "kavlan-3": "2001:660:4406:483:4::4",
+      "kavlan-4": "2001:660:4406:484:4::4",
+      "kavlan-5": "2001:660:4406:485:4::4",
+      "kavlan-6": "2001:660:4406:486:4::4",
+      "kavlan-7": "2001:660:4406:487:4::4",
+      "kavlan-8": "2001:660:4406:488:4::4",
+      "kavlan-9": "2001:660:4406:489:4::4"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
diff --git a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-1.json b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-1.json
index b2dcefd33fe60df4bf3583ada195f2a463e9ef17..8cfdee041d88455b93545b2d186aaa5f5a61fe7e 100644
--- a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-1.json
+++ b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-1.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.13.68.1"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:481:5::1",
+      "kavlan-11": "2001:660:4406:48b:5::1",
+      "kavlan-12": "2001:660:4406:48c:5::1",
+      "kavlan-13": "2001:660:4406:48d:5::1",
+      "kavlan-14": "2001:660:4406:48e:5::1",
+      "kavlan-16": "2001:660:4406:490:5::1",
+      "kavlan-18": "2001:660:4406:492:5::1",
+      "kavlan-2": "2001:660:4406:482:5::1",
+      "kavlan-20": "2001:660:4406:494:5::1",
+      "kavlan-21": "2001:660:4406:495:5::1",
+      "kavlan-3": "2001:660:4406:483:5::1",
+      "kavlan-4": "2001:660:4406:484:5::1",
+      "kavlan-5": "2001:660:4406:485:5::1",
+      "kavlan-6": "2001:660:4406:486:5::1",
+      "kavlan-7": "2001:660:4406:487:5::1",
+      "kavlan-8": "2001:660:4406:488:5::1",
+      "kavlan-9": "2001:660:4406:489:5::1"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-10.json b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-10.json
index 5588ca8a5fcf38da8be7edb2361d57fca572456d..c25dd252d605323559804e04ef8befda2bdd29b4 100644
--- a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-10.json
+++ b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-10.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.13.68.10"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:481:5::a",
+      "kavlan-11": "2001:660:4406:48b:5::a",
+      "kavlan-12": "2001:660:4406:48c:5::a",
+      "kavlan-13": "2001:660:4406:48d:5::a",
+      "kavlan-14": "2001:660:4406:48e:5::a",
+      "kavlan-16": "2001:660:4406:490:5::a",
+      "kavlan-18": "2001:660:4406:492:5::a",
+      "kavlan-2": "2001:660:4406:482:5::a",
+      "kavlan-20": "2001:660:4406:494:5::a",
+      "kavlan-21": "2001:660:4406:495:5::a",
+      "kavlan-3": "2001:660:4406:483:5::a",
+      "kavlan-4": "2001:660:4406:484:5::a",
+      "kavlan-5": "2001:660:4406:485:5::a",
+      "kavlan-6": "2001:660:4406:486:5::a",
+      "kavlan-7": "2001:660:4406:487:5::a",
+      "kavlan-8": "2001:660:4406:488:5::a",
+      "kavlan-9": "2001:660:4406:489:5::a"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-11.json b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-11.json
index 94b0056eae596d18a4a2ca7cff2c02c035daa6b8..e7ffbfaa1ed04aad9188e49a7722478af27835f3 100644
--- a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-11.json
+++ b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-11.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.13.68.11"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:481:5::b",
+      "kavlan-11": "2001:660:4406:48b:5::b",
+      "kavlan-12": "2001:660:4406:48c:5::b",
+      "kavlan-13": "2001:660:4406:48d:5::b",
+      "kavlan-14": "2001:660:4406:48e:5::b",
+      "kavlan-16": "2001:660:4406:490:5::b",
+      "kavlan-18": "2001:660:4406:492:5::b",
+      "kavlan-2": "2001:660:4406:482:5::b",
+      "kavlan-20": "2001:660:4406:494:5::b",
+      "kavlan-21": "2001:660:4406:495:5::b",
+      "kavlan-3": "2001:660:4406:483:5::b",
+      "kavlan-4": "2001:660:4406:484:5::b",
+      "kavlan-5": "2001:660:4406:485:5::b",
+      "kavlan-6": "2001:660:4406:486:5::b",
+      "kavlan-7": "2001:660:4406:487:5::b",
+      "kavlan-8": "2001:660:4406:488:5::b",
+      "kavlan-9": "2001:660:4406:489:5::b"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-12.json b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-12.json
index 9235fb663aa9e8249f07a634ad567aa8dc89106f..f887f23fd02a9cd9b78d9c52afcda90d2ea325a7 100644
--- a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-12.json
+++ b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-12.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.13.68.12"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:481:5::c",
+      "kavlan-11": "2001:660:4406:48b:5::c",
+      "kavlan-12": "2001:660:4406:48c:5::c",
+      "kavlan-13": "2001:660:4406:48d:5::c",
+      "kavlan-14": "2001:660:4406:48e:5::c",
+      "kavlan-16": "2001:660:4406:490:5::c",
+      "kavlan-18": "2001:660:4406:492:5::c",
+      "kavlan-2": "2001:660:4406:482:5::c",
+      "kavlan-20": "2001:660:4406:494:5::c",
+      "kavlan-21": "2001:660:4406:495:5::c",
+      "kavlan-3": "2001:660:4406:483:5::c",
+      "kavlan-4": "2001:660:4406:484:5::c",
+      "kavlan-5": "2001:660:4406:485:5::c",
+      "kavlan-6": "2001:660:4406:486:5::c",
+      "kavlan-7": "2001:660:4406:487:5::c",
+      "kavlan-8": "2001:660:4406:488:5::c",
+      "kavlan-9": "2001:660:4406:489:5::c"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-13.json b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-13.json
index cd62ec945396d46c52a94497f1a11768a6b504f3..1a431704d9e6172a463fd3d0a262b9584b2d68b4 100644
--- a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-13.json
+++ b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-13.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.13.68.13"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:481:5::d",
+      "kavlan-11": "2001:660:4406:48b:5::d",
+      "kavlan-12": "2001:660:4406:48c:5::d",
+      "kavlan-13": "2001:660:4406:48d:5::d",
+      "kavlan-14": "2001:660:4406:48e:5::d",
+      "kavlan-16": "2001:660:4406:490:5::d",
+      "kavlan-18": "2001:660:4406:492:5::d",
+      "kavlan-2": "2001:660:4406:482:5::d",
+      "kavlan-20": "2001:660:4406:494:5::d",
+      "kavlan-21": "2001:660:4406:495:5::d",
+      "kavlan-3": "2001:660:4406:483:5::d",
+      "kavlan-4": "2001:660:4406:484:5::d",
+      "kavlan-5": "2001:660:4406:485:5::d",
+      "kavlan-6": "2001:660:4406:486:5::d",
+      "kavlan-7": "2001:660:4406:487:5::d",
+      "kavlan-8": "2001:660:4406:488:5::d",
+      "kavlan-9": "2001:660:4406:489:5::d"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-14.json b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-14.json
index 626d19d79e40da3d4b33fd22ee35695ba9d34f5a..6ea4d0fddf3e95923237568b7b94da5439196461 100644
--- a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-14.json
+++ b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-14.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.13.68.14"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:481:5::e",
+      "kavlan-11": "2001:660:4406:48b:5::e",
+      "kavlan-12": "2001:660:4406:48c:5::e",
+      "kavlan-13": "2001:660:4406:48d:5::e",
+      "kavlan-14": "2001:660:4406:48e:5::e",
+      "kavlan-16": "2001:660:4406:490:5::e",
+      "kavlan-18": "2001:660:4406:492:5::e",
+      "kavlan-2": "2001:660:4406:482:5::e",
+      "kavlan-20": "2001:660:4406:494:5::e",
+      "kavlan-21": "2001:660:4406:495:5::e",
+      "kavlan-3": "2001:660:4406:483:5::e",
+      "kavlan-4": "2001:660:4406:484:5::e",
+      "kavlan-5": "2001:660:4406:485:5::e",
+      "kavlan-6": "2001:660:4406:486:5::e",
+      "kavlan-7": "2001:660:4406:487:5::e",
+      "kavlan-8": "2001:660:4406:488:5::e",
+      "kavlan-9": "2001:660:4406:489:5::e"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-15.json b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-15.json
index a8b175856053ad1fab5bfdbc7eff6f387ad85197..83d82f771c5762e3e5c0b42504db67a0e917ea71 100644
--- a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-15.json
+++ b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-15.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.13.68.15"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:481:5::f",
+      "kavlan-11": "2001:660:4406:48b:5::f",
+      "kavlan-12": "2001:660:4406:48c:5::f",
+      "kavlan-13": "2001:660:4406:48d:5::f",
+      "kavlan-14": "2001:660:4406:48e:5::f",
+      "kavlan-16": "2001:660:4406:490:5::f",
+      "kavlan-18": "2001:660:4406:492:5::f",
+      "kavlan-2": "2001:660:4406:482:5::f",
+      "kavlan-20": "2001:660:4406:494:5::f",
+      "kavlan-21": "2001:660:4406:495:5::f",
+      "kavlan-3": "2001:660:4406:483:5::f",
+      "kavlan-4": "2001:660:4406:484:5::f",
+      "kavlan-5": "2001:660:4406:485:5::f",
+      "kavlan-6": "2001:660:4406:486:5::f",
+      "kavlan-7": "2001:660:4406:487:5::f",
+      "kavlan-8": "2001:660:4406:488:5::f",
+      "kavlan-9": "2001:660:4406:489:5::f"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-16.json b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-16.json
index a741ad2719055e29b900f168eb486d12e66b5d21..1c93aca7b48dbf1798c34ac7be16e92e6460a468 100644
--- a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-16.json
+++ b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-16.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.13.68.16"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:481:5::10",
+      "kavlan-11": "2001:660:4406:48b:5::10",
+      "kavlan-12": "2001:660:4406:48c:5::10",
+      "kavlan-13": "2001:660:4406:48d:5::10",
+      "kavlan-14": "2001:660:4406:48e:5::10",
+      "kavlan-16": "2001:660:4406:490:5::10",
+      "kavlan-18": "2001:660:4406:492:5::10",
+      "kavlan-2": "2001:660:4406:482:5::10",
+      "kavlan-20": "2001:660:4406:494:5::10",
+      "kavlan-21": "2001:660:4406:495:5::10",
+      "kavlan-3": "2001:660:4406:483:5::10",
+      "kavlan-4": "2001:660:4406:484:5::10",
+      "kavlan-5": "2001:660:4406:485:5::10",
+      "kavlan-6": "2001:660:4406:486:5::10",
+      "kavlan-7": "2001:660:4406:487:5::10",
+      "kavlan-8": "2001:660:4406:488:5::10",
+      "kavlan-9": "2001:660:4406:489:5::10"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-17.json b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-17.json
index 2b1b0800b0813d92866baa21dc0e369cdcab42eb..c970803814bbe003342217de6b04ffd81317ccb6 100644
--- a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-17.json
+++ b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-17.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.13.68.17"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:481:5::11",
+      "kavlan-11": "2001:660:4406:48b:5::11",
+      "kavlan-12": "2001:660:4406:48c:5::11",
+      "kavlan-13": "2001:660:4406:48d:5::11",
+      "kavlan-14": "2001:660:4406:48e:5::11",
+      "kavlan-16": "2001:660:4406:490:5::11",
+      "kavlan-18": "2001:660:4406:492:5::11",
+      "kavlan-2": "2001:660:4406:482:5::11",
+      "kavlan-20": "2001:660:4406:494:5::11",
+      "kavlan-21": "2001:660:4406:495:5::11",
+      "kavlan-3": "2001:660:4406:483:5::11",
+      "kavlan-4": "2001:660:4406:484:5::11",
+      "kavlan-5": "2001:660:4406:485:5::11",
+      "kavlan-6": "2001:660:4406:486:5::11",
+      "kavlan-7": "2001:660:4406:487:5::11",
+      "kavlan-8": "2001:660:4406:488:5::11",
+      "kavlan-9": "2001:660:4406:489:5::11"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-18.json b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-18.json
index c093f8ab8baa2af61ecafeaaced7d19d0adf6039..6a35ed836f4abbcfa5303e6521ff0ea4909bddeb 100644
--- a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-18.json
+++ b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-18.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.13.68.18"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:481:5::12",
+      "kavlan-11": "2001:660:4406:48b:5::12",
+      "kavlan-12": "2001:660:4406:48c:5::12",
+      "kavlan-13": "2001:660:4406:48d:5::12",
+      "kavlan-14": "2001:660:4406:48e:5::12",
+      "kavlan-16": "2001:660:4406:490:5::12",
+      "kavlan-18": "2001:660:4406:492:5::12",
+      "kavlan-2": "2001:660:4406:482:5::12",
+      "kavlan-20": "2001:660:4406:494:5::12",
+      "kavlan-21": "2001:660:4406:495:5::12",
+      "kavlan-3": "2001:660:4406:483:5::12",
+      "kavlan-4": "2001:660:4406:484:5::12",
+      "kavlan-5": "2001:660:4406:485:5::12",
+      "kavlan-6": "2001:660:4406:486:5::12",
+      "kavlan-7": "2001:660:4406:487:5::12",
+      "kavlan-8": "2001:660:4406:488:5::12",
+      "kavlan-9": "2001:660:4406:489:5::12"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-19.json b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-19.json
index 5c04a80b31a42a2fd090854ee260a65a7a80f751..1fdcb9771f86c5f432fa9adc347e75bb7c7bf0a5 100644
--- a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-19.json
+++ b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-19.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.13.68.19"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:481:5::13",
+      "kavlan-11": "2001:660:4406:48b:5::13",
+      "kavlan-12": "2001:660:4406:48c:5::13",
+      "kavlan-13": "2001:660:4406:48d:5::13",
+      "kavlan-14": "2001:660:4406:48e:5::13",
+      "kavlan-16": "2001:660:4406:490:5::13",
+      "kavlan-18": "2001:660:4406:492:5::13",
+      "kavlan-2": "2001:660:4406:482:5::13",
+      "kavlan-20": "2001:660:4406:494:5::13",
+      "kavlan-21": "2001:660:4406:495:5::13",
+      "kavlan-3": "2001:660:4406:483:5::13",
+      "kavlan-4": "2001:660:4406:484:5::13",
+      "kavlan-5": "2001:660:4406:485:5::13",
+      "kavlan-6": "2001:660:4406:486:5::13",
+      "kavlan-7": "2001:660:4406:487:5::13",
+      "kavlan-8": "2001:660:4406:488:5::13",
+      "kavlan-9": "2001:660:4406:489:5::13"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-2.json b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-2.json
index 47c63e864b68440ae1f4cf14bba45b24cd5cce6e..56a83e61e892821ee67049416c217350352931d8 100644
--- a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-2.json
+++ b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-2.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.13.68.2"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:481:5::2",
+      "kavlan-11": "2001:660:4406:48b:5::2",
+      "kavlan-12": "2001:660:4406:48c:5::2",
+      "kavlan-13": "2001:660:4406:48d:5::2",
+      "kavlan-14": "2001:660:4406:48e:5::2",
+      "kavlan-16": "2001:660:4406:490:5::2",
+      "kavlan-18": "2001:660:4406:492:5::2",
+      "kavlan-2": "2001:660:4406:482:5::2",
+      "kavlan-20": "2001:660:4406:494:5::2",
+      "kavlan-21": "2001:660:4406:495:5::2",
+      "kavlan-3": "2001:660:4406:483:5::2",
+      "kavlan-4": "2001:660:4406:484:5::2",
+      "kavlan-5": "2001:660:4406:485:5::2",
+      "kavlan-6": "2001:660:4406:486:5::2",
+      "kavlan-7": "2001:660:4406:487:5::2",
+      "kavlan-8": "2001:660:4406:488:5::2",
+      "kavlan-9": "2001:660:4406:489:5::2"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-20.json b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-20.json
index 20451391eb05768fa930e55d82439ba213f4a0b5..08e48034a3183d3dd2eb776dd262c2b5fd7599dc 100644
--- a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-20.json
+++ b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-20.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.13.68.20"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:481:5::14",
+      "kavlan-11": "2001:660:4406:48b:5::14",
+      "kavlan-12": "2001:660:4406:48c:5::14",
+      "kavlan-13": "2001:660:4406:48d:5::14",
+      "kavlan-14": "2001:660:4406:48e:5::14",
+      "kavlan-16": "2001:660:4406:490:5::14",
+      "kavlan-18": "2001:660:4406:492:5::14",
+      "kavlan-2": "2001:660:4406:482:5::14",
+      "kavlan-20": "2001:660:4406:494:5::14",
+      "kavlan-21": "2001:660:4406:495:5::14",
+      "kavlan-3": "2001:660:4406:483:5::14",
+      "kavlan-4": "2001:660:4406:484:5::14",
+      "kavlan-5": "2001:660:4406:485:5::14",
+      "kavlan-6": "2001:660:4406:486:5::14",
+      "kavlan-7": "2001:660:4406:487:5::14",
+      "kavlan-8": "2001:660:4406:488:5::14",
+      "kavlan-9": "2001:660:4406:489:5::14"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-21.json b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-21.json
index b0d135d921e267c0810a93c296d665521c492d7c..035d42ae93000531026528bb24ee51f08cbde953 100644
--- a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-21.json
+++ b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-21.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.13.68.21"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:481:5::15",
+      "kavlan-11": "2001:660:4406:48b:5::15",
+      "kavlan-12": "2001:660:4406:48c:5::15",
+      "kavlan-13": "2001:660:4406:48d:5::15",
+      "kavlan-14": "2001:660:4406:48e:5::15",
+      "kavlan-16": "2001:660:4406:490:5::15",
+      "kavlan-18": "2001:660:4406:492:5::15",
+      "kavlan-2": "2001:660:4406:482:5::15",
+      "kavlan-20": "2001:660:4406:494:5::15",
+      "kavlan-21": "2001:660:4406:495:5::15",
+      "kavlan-3": "2001:660:4406:483:5::15",
+      "kavlan-4": "2001:660:4406:484:5::15",
+      "kavlan-5": "2001:660:4406:485:5::15",
+      "kavlan-6": "2001:660:4406:486:5::15",
+      "kavlan-7": "2001:660:4406:487:5::15",
+      "kavlan-8": "2001:660:4406:488:5::15",
+      "kavlan-9": "2001:660:4406:489:5::15"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-22.json b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-22.json
index b3d3a7596d4f3e806535105e87c38ffd32a21c44..6ecc20004560a1e34174826a23dae386627300e1 100644
--- a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-22.json
+++ b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-22.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.13.68.22"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:481:5::16",
+      "kavlan-11": "2001:660:4406:48b:5::16",
+      "kavlan-12": "2001:660:4406:48c:5::16",
+      "kavlan-13": "2001:660:4406:48d:5::16",
+      "kavlan-14": "2001:660:4406:48e:5::16",
+      "kavlan-16": "2001:660:4406:490:5::16",
+      "kavlan-18": "2001:660:4406:492:5::16",
+      "kavlan-2": "2001:660:4406:482:5::16",
+      "kavlan-20": "2001:660:4406:494:5::16",
+      "kavlan-21": "2001:660:4406:495:5::16",
+      "kavlan-3": "2001:660:4406:483:5::16",
+      "kavlan-4": "2001:660:4406:484:5::16",
+      "kavlan-5": "2001:660:4406:485:5::16",
+      "kavlan-6": "2001:660:4406:486:5::16",
+      "kavlan-7": "2001:660:4406:487:5::16",
+      "kavlan-8": "2001:660:4406:488:5::16",
+      "kavlan-9": "2001:660:4406:489:5::16"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-23.json b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-23.json
index 470fcaf9e77c86133eb1c8ec7c7c26b72ee86928..b7f6d85e5011f38fc3ce4c65978061699f56d638 100644
--- a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-23.json
+++ b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-23.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.13.68.23"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:481:5::17",
+      "kavlan-11": "2001:660:4406:48b:5::17",
+      "kavlan-12": "2001:660:4406:48c:5::17",
+      "kavlan-13": "2001:660:4406:48d:5::17",
+      "kavlan-14": "2001:660:4406:48e:5::17",
+      "kavlan-16": "2001:660:4406:490:5::17",
+      "kavlan-18": "2001:660:4406:492:5::17",
+      "kavlan-2": "2001:660:4406:482:5::17",
+      "kavlan-20": "2001:660:4406:494:5::17",
+      "kavlan-21": "2001:660:4406:495:5::17",
+      "kavlan-3": "2001:660:4406:483:5::17",
+      "kavlan-4": "2001:660:4406:484:5::17",
+      "kavlan-5": "2001:660:4406:485:5::17",
+      "kavlan-6": "2001:660:4406:486:5::17",
+      "kavlan-7": "2001:660:4406:487:5::17",
+      "kavlan-8": "2001:660:4406:488:5::17",
+      "kavlan-9": "2001:660:4406:489:5::17"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-3.json b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-3.json
index f32e079d91ec2077cf0965f1ef755359a1172c6b..b0bd53c456bc63ce9dcbae68d11dc135922392aa 100644
--- a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-3.json
+++ b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-3.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.13.68.3"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:481:5::3",
+      "kavlan-11": "2001:660:4406:48b:5::3",
+      "kavlan-12": "2001:660:4406:48c:5::3",
+      "kavlan-13": "2001:660:4406:48d:5::3",
+      "kavlan-14": "2001:660:4406:48e:5::3",
+      "kavlan-16": "2001:660:4406:490:5::3",
+      "kavlan-18": "2001:660:4406:492:5::3",
+      "kavlan-2": "2001:660:4406:482:5::3",
+      "kavlan-20": "2001:660:4406:494:5::3",
+      "kavlan-21": "2001:660:4406:495:5::3",
+      "kavlan-3": "2001:660:4406:483:5::3",
+      "kavlan-4": "2001:660:4406:484:5::3",
+      "kavlan-5": "2001:660:4406:485:5::3",
+      "kavlan-6": "2001:660:4406:486:5::3",
+      "kavlan-7": "2001:660:4406:487:5::3",
+      "kavlan-8": "2001:660:4406:488:5::3",
+      "kavlan-9": "2001:660:4406:489:5::3"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-4.json b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-4.json
index 77e6346a44bd7fb98da7ee72e1a1f3d618306f3c..d5f470d903b4a4a045b02291b4bf28094270c82f 100644
--- a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-4.json
+++ b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-4.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.13.68.4"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:481:5::4",
+      "kavlan-11": "2001:660:4406:48b:5::4",
+      "kavlan-12": "2001:660:4406:48c:5::4",
+      "kavlan-13": "2001:660:4406:48d:5::4",
+      "kavlan-14": "2001:660:4406:48e:5::4",
+      "kavlan-16": "2001:660:4406:490:5::4",
+      "kavlan-18": "2001:660:4406:492:5::4",
+      "kavlan-2": "2001:660:4406:482:5::4",
+      "kavlan-20": "2001:660:4406:494:5::4",
+      "kavlan-21": "2001:660:4406:495:5::4",
+      "kavlan-3": "2001:660:4406:483:5::4",
+      "kavlan-4": "2001:660:4406:484:5::4",
+      "kavlan-5": "2001:660:4406:485:5::4",
+      "kavlan-6": "2001:660:4406:486:5::4",
+      "kavlan-7": "2001:660:4406:487:5::4",
+      "kavlan-8": "2001:660:4406:488:5::4",
+      "kavlan-9": "2001:660:4406:489:5::4"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-5.json b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-5.json
index ab96152ea4cee5fd26e82f934730395b64a20185..4d89c725cc2da1650e97cc6d8c0cdf6c7818f1a5 100644
--- a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-5.json
+++ b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-5.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.13.68.5"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:481:5::5",
+      "kavlan-11": "2001:660:4406:48b:5::5",
+      "kavlan-12": "2001:660:4406:48c:5::5",
+      "kavlan-13": "2001:660:4406:48d:5::5",
+      "kavlan-14": "2001:660:4406:48e:5::5",
+      "kavlan-16": "2001:660:4406:490:5::5",
+      "kavlan-18": "2001:660:4406:492:5::5",
+      "kavlan-2": "2001:660:4406:482:5::5",
+      "kavlan-20": "2001:660:4406:494:5::5",
+      "kavlan-21": "2001:660:4406:495:5::5",
+      "kavlan-3": "2001:660:4406:483:5::5",
+      "kavlan-4": "2001:660:4406:484:5::5",
+      "kavlan-5": "2001:660:4406:485:5::5",
+      "kavlan-6": "2001:660:4406:486:5::5",
+      "kavlan-7": "2001:660:4406:487:5::5",
+      "kavlan-8": "2001:660:4406:488:5::5",
+      "kavlan-9": "2001:660:4406:489:5::5"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-6.json b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-6.json
index 4992cc1389243d0b0f0fd3373b0106cb8c4580d4..247422745b7756464f0ea745e088f0e08b226ba3 100644
--- a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-6.json
+++ b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-6.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.13.68.6"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:481:5::6",
+      "kavlan-11": "2001:660:4406:48b:5::6",
+      "kavlan-12": "2001:660:4406:48c:5::6",
+      "kavlan-13": "2001:660:4406:48d:5::6",
+      "kavlan-14": "2001:660:4406:48e:5::6",
+      "kavlan-16": "2001:660:4406:490:5::6",
+      "kavlan-18": "2001:660:4406:492:5::6",
+      "kavlan-2": "2001:660:4406:482:5::6",
+      "kavlan-20": "2001:660:4406:494:5::6",
+      "kavlan-21": "2001:660:4406:495:5::6",
+      "kavlan-3": "2001:660:4406:483:5::6",
+      "kavlan-4": "2001:660:4406:484:5::6",
+      "kavlan-5": "2001:660:4406:485:5::6",
+      "kavlan-6": "2001:660:4406:486:5::6",
+      "kavlan-7": "2001:660:4406:487:5::6",
+      "kavlan-8": "2001:660:4406:488:5::6",
+      "kavlan-9": "2001:660:4406:489:5::6"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-7.json b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-7.json
index d560d7cddb10eabf78b11ed4a87a41d3f4c18b7e..267f8ba4dc73bce34a1b02fd0de70e956891dc8e 100644
--- a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-7.json
+++ b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-7.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.13.68.7"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:481:5::7",
+      "kavlan-11": "2001:660:4406:48b:5::7",
+      "kavlan-12": "2001:660:4406:48c:5::7",
+      "kavlan-13": "2001:660:4406:48d:5::7",
+      "kavlan-14": "2001:660:4406:48e:5::7",
+      "kavlan-16": "2001:660:4406:490:5::7",
+      "kavlan-18": "2001:660:4406:492:5::7",
+      "kavlan-2": "2001:660:4406:482:5::7",
+      "kavlan-20": "2001:660:4406:494:5::7",
+      "kavlan-21": "2001:660:4406:495:5::7",
+      "kavlan-3": "2001:660:4406:483:5::7",
+      "kavlan-4": "2001:660:4406:484:5::7",
+      "kavlan-5": "2001:660:4406:485:5::7",
+      "kavlan-6": "2001:660:4406:486:5::7",
+      "kavlan-7": "2001:660:4406:487:5::7",
+      "kavlan-8": "2001:660:4406:488:5::7",
+      "kavlan-9": "2001:660:4406:489:5::7"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-8.json b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-8.json
index 88228809d3b67b1e35eea997394bb7f4b8756b53..adc3b7d0ea1856dff08499b36db0cdc955e4c2b6 100644
--- a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-8.json
+++ b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-8.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.13.68.8"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:481:5::8",
+      "kavlan-11": "2001:660:4406:48b:5::8",
+      "kavlan-12": "2001:660:4406:48c:5::8",
+      "kavlan-13": "2001:660:4406:48d:5::8",
+      "kavlan-14": "2001:660:4406:48e:5::8",
+      "kavlan-16": "2001:660:4406:490:5::8",
+      "kavlan-18": "2001:660:4406:492:5::8",
+      "kavlan-2": "2001:660:4406:482:5::8",
+      "kavlan-20": "2001:660:4406:494:5::8",
+      "kavlan-21": "2001:660:4406:495:5::8",
+      "kavlan-3": "2001:660:4406:483:5::8",
+      "kavlan-4": "2001:660:4406:484:5::8",
+      "kavlan-5": "2001:660:4406:485:5::8",
+      "kavlan-6": "2001:660:4406:486:5::8",
+      "kavlan-7": "2001:660:4406:487:5::8",
+      "kavlan-8": "2001:660:4406:488:5::8",
+      "kavlan-9": "2001:660:4406:489:5::8"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-9.json b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-9.json
index 9efab1ecfeb1f8b5a579253c1543ee8b243b0b9f..0fca4d6e4374c4e4312cf0162706fd41dcc693c3 100644
--- a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-9.json
+++ b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-9.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.13.68.9"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:481:5::9",
+      "kavlan-11": "2001:660:4406:48b:5::9",
+      "kavlan-12": "2001:660:4406:48c:5::9",
+      "kavlan-13": "2001:660:4406:48d:5::9",
+      "kavlan-14": "2001:660:4406:48e:5::9",
+      "kavlan-16": "2001:660:4406:490:5::9",
+      "kavlan-18": "2001:660:4406:492:5::9",
+      "kavlan-2": "2001:660:4406:482:5::9",
+      "kavlan-20": "2001:660:4406:494:5::9",
+      "kavlan-21": "2001:660:4406:495:5::9",
+      "kavlan-3": "2001:660:4406:483:5::9",
+      "kavlan-4": "2001:660:4406:484:5::9",
+      "kavlan-5": "2001:660:4406:485:5::9",
+      "kavlan-6": "2001:660:4406:486:5::9",
+      "kavlan-7": "2001:660:4406:487:5::9",
+      "kavlan-8": "2001:660:4406:488:5::9",
+      "kavlan-9": "2001:660:4406:489:5::9"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/lyon/clusters/orion/nodes/orion-1.json b/data/grid5000/sites/lyon/clusters/orion/nodes/orion-1.json
index 5b7ac397ffec13505d0421de41a3b9c602ea7459..24a57131ed71992127edc6d7b26532992355c16d 100644
--- a/data/grid5000/sites/lyon/clusters/orion/nodes/orion-1.json
+++ b/data/grid5000/sites/lyon/clusters/orion/nodes/orion-1.json
@@ -50,6 +50,27 @@
       "kavlan-9": "10.13.66.1"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:481:3::1",
+      "kavlan-11": "2001:660:4406:48b:3::1",
+      "kavlan-12": "2001:660:4406:48c:3::1",
+      "kavlan-13": "2001:660:4406:48d:3::1",
+      "kavlan-14": "2001:660:4406:48e:3::1",
+      "kavlan-16": "2001:660:4406:490:3::1",
+      "kavlan-18": "2001:660:4406:492:3::1",
+      "kavlan-2": "2001:660:4406:482:3::1",
+      "kavlan-20": "2001:660:4406:494:3::1",
+      "kavlan-21": "2001:660:4406:495:3::1",
+      "kavlan-3": "2001:660:4406:483:3::1",
+      "kavlan-4": "2001:660:4406:484:3::1",
+      "kavlan-5": "2001:660:4406:485:3::1",
+      "kavlan-6": "2001:660:4406:486:3::1",
+      "kavlan-7": "2001:660:4406:487:3::1",
+      "kavlan-8": "2001:660:4406:488:3::1",
+      "kavlan-9": "2001:660:4406:489:3::1"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
diff --git a/data/grid5000/sites/lyon/clusters/orion/nodes/orion-2.json b/data/grid5000/sites/lyon/clusters/orion/nodes/orion-2.json
index 6458449c8e1b5649b8281eb98618eacaca375aa0..0f6b7d67fb7e4d49effb25ca170027af29d6c22e 100644
--- a/data/grid5000/sites/lyon/clusters/orion/nodes/orion-2.json
+++ b/data/grid5000/sites/lyon/clusters/orion/nodes/orion-2.json
@@ -50,6 +50,27 @@
       "kavlan-9": "10.13.66.2"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:481:3::2",
+      "kavlan-11": "2001:660:4406:48b:3::2",
+      "kavlan-12": "2001:660:4406:48c:3::2",
+      "kavlan-13": "2001:660:4406:48d:3::2",
+      "kavlan-14": "2001:660:4406:48e:3::2",
+      "kavlan-16": "2001:660:4406:490:3::2",
+      "kavlan-18": "2001:660:4406:492:3::2",
+      "kavlan-2": "2001:660:4406:482:3::2",
+      "kavlan-20": "2001:660:4406:494:3::2",
+      "kavlan-21": "2001:660:4406:495:3::2",
+      "kavlan-3": "2001:660:4406:483:3::2",
+      "kavlan-4": "2001:660:4406:484:3::2",
+      "kavlan-5": "2001:660:4406:485:3::2",
+      "kavlan-6": "2001:660:4406:486:3::2",
+      "kavlan-7": "2001:660:4406:487:3::2",
+      "kavlan-8": "2001:660:4406:488:3::2",
+      "kavlan-9": "2001:660:4406:489:3::2"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
diff --git a/data/grid5000/sites/lyon/clusters/orion/nodes/orion-3.json b/data/grid5000/sites/lyon/clusters/orion/nodes/orion-3.json
index 5979e10042ad657d440cd34eaa0c253fc655fef3..23e20de35210473f2f268a6720d0dfd12583f40a 100644
--- a/data/grid5000/sites/lyon/clusters/orion/nodes/orion-3.json
+++ b/data/grid5000/sites/lyon/clusters/orion/nodes/orion-3.json
@@ -50,6 +50,27 @@
       "kavlan-9": "10.13.66.3"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:481:3::3",
+      "kavlan-11": "2001:660:4406:48b:3::3",
+      "kavlan-12": "2001:660:4406:48c:3::3",
+      "kavlan-13": "2001:660:4406:48d:3::3",
+      "kavlan-14": "2001:660:4406:48e:3::3",
+      "kavlan-16": "2001:660:4406:490:3::3",
+      "kavlan-18": "2001:660:4406:492:3::3",
+      "kavlan-2": "2001:660:4406:482:3::3",
+      "kavlan-20": "2001:660:4406:494:3::3",
+      "kavlan-21": "2001:660:4406:495:3::3",
+      "kavlan-3": "2001:660:4406:483:3::3",
+      "kavlan-4": "2001:660:4406:484:3::3",
+      "kavlan-5": "2001:660:4406:485:3::3",
+      "kavlan-6": "2001:660:4406:486:3::3",
+      "kavlan-7": "2001:660:4406:487:3::3",
+      "kavlan-8": "2001:660:4406:488:3::3",
+      "kavlan-9": "2001:660:4406:489:3::3"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
diff --git a/data/grid5000/sites/lyon/clusters/orion/nodes/orion-4.json b/data/grid5000/sites/lyon/clusters/orion/nodes/orion-4.json
index f37fffd38f2baf55c18f7c0403fc0ffff2063d32..92192de636da80deb65e7b4eb93aa592e6a810c8 100644
--- a/data/grid5000/sites/lyon/clusters/orion/nodes/orion-4.json
+++ b/data/grid5000/sites/lyon/clusters/orion/nodes/orion-4.json
@@ -50,6 +50,27 @@
       "kavlan-9": "10.13.66.4"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:481:3::4",
+      "kavlan-11": "2001:660:4406:48b:3::4",
+      "kavlan-12": "2001:660:4406:48c:3::4",
+      "kavlan-13": "2001:660:4406:48d:3::4",
+      "kavlan-14": "2001:660:4406:48e:3::4",
+      "kavlan-16": "2001:660:4406:490:3::4",
+      "kavlan-18": "2001:660:4406:492:3::4",
+      "kavlan-2": "2001:660:4406:482:3::4",
+      "kavlan-20": "2001:660:4406:494:3::4",
+      "kavlan-21": "2001:660:4406:495:3::4",
+      "kavlan-3": "2001:660:4406:483:3::4",
+      "kavlan-4": "2001:660:4406:484:3::4",
+      "kavlan-5": "2001:660:4406:485:3::4",
+      "kavlan-6": "2001:660:4406:486:3::4",
+      "kavlan-7": "2001:660:4406:487:3::4",
+      "kavlan-8": "2001:660:4406:488:3::4",
+      "kavlan-9": "2001:660:4406:489:3::4"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
diff --git a/data/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-1.json b/data/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-1.json
index 8602c4b0b83c548cf4ea9286ed93bb02ed905316..d6dcf120f719eeb1ff08c75d31ab1b198e4ba841 100644
--- a/data/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-1.json
+++ b/data/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-1.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.13.70.1"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:481:7::1",
+      "kavlan-11": "2001:660:4406:48b:7::1",
+      "kavlan-12": "2001:660:4406:48c:7::1",
+      "kavlan-13": "2001:660:4406:48d:7::1",
+      "kavlan-14": "2001:660:4406:48e:7::1",
+      "kavlan-16": "2001:660:4406:490:7::1",
+      "kavlan-18": "2001:660:4406:492:7::1",
+      "kavlan-2": "2001:660:4406:482:7::1",
+      "kavlan-20": "2001:660:4406:494:7::1",
+      "kavlan-21": "2001:660:4406:495:7::1",
+      "kavlan-3": "2001:660:4406:483:7::1",
+      "kavlan-4": "2001:660:4406:484:7::1",
+      "kavlan-5": "2001:660:4406:485:7::1",
+      "kavlan-6": "2001:660:4406:486:7::1",
+      "kavlan-7": "2001:660:4406:487:7::1",
+      "kavlan-8": "2001:660:4406:488:7::1",
+      "kavlan-9": "2001:660:4406:489:7::1"
+    }
+  },
   "main_memory": {
     "ram_size": 274877906944
   },
diff --git a/data/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-2.json b/data/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-2.json
index 50cfcf39944a5b1082c522ec847b2b4b842bfa8c..ee36fc2817457023f3724e8c91ae75936ea81017 100644
--- a/data/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-2.json
+++ b/data/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-2.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.13.70.2"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:481:7::2",
+      "kavlan-11": "2001:660:4406:48b:7::2",
+      "kavlan-12": "2001:660:4406:48c:7::2",
+      "kavlan-13": "2001:660:4406:48d:7::2",
+      "kavlan-14": "2001:660:4406:48e:7::2",
+      "kavlan-16": "2001:660:4406:490:7::2",
+      "kavlan-18": "2001:660:4406:492:7::2",
+      "kavlan-2": "2001:660:4406:482:7::2",
+      "kavlan-20": "2001:660:4406:494:7::2",
+      "kavlan-21": "2001:660:4406:495:7::2",
+      "kavlan-3": "2001:660:4406:483:7::2",
+      "kavlan-4": "2001:660:4406:484:7::2",
+      "kavlan-5": "2001:660:4406:485:7::2",
+      "kavlan-6": "2001:660:4406:486:7::2",
+      "kavlan-7": "2001:660:4406:487:7::2",
+      "kavlan-8": "2001:660:4406:488:7::2",
+      "kavlan-9": "2001:660:4406:489:7::2"
+    }
+  },
   "main_memory": {
     "ram_size": 274877906944
   },
diff --git a/data/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-3.json b/data/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-3.json
index 463a26637f5858ac06dec8603099d8fcd61c04cd..0b4dc00acedb7f42bea7dcba5c5dc11483c70ce5 100644
--- a/data/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-3.json
+++ b/data/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-3.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.13.70.3"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:481:7::3",
+      "kavlan-11": "2001:660:4406:48b:7::3",
+      "kavlan-12": "2001:660:4406:48c:7::3",
+      "kavlan-13": "2001:660:4406:48d:7::3",
+      "kavlan-14": "2001:660:4406:48e:7::3",
+      "kavlan-16": "2001:660:4406:490:7::3",
+      "kavlan-18": "2001:660:4406:492:7::3",
+      "kavlan-2": "2001:660:4406:482:7::3",
+      "kavlan-20": "2001:660:4406:494:7::3",
+      "kavlan-21": "2001:660:4406:495:7::3",
+      "kavlan-3": "2001:660:4406:483:7::3",
+      "kavlan-4": "2001:660:4406:484:7::3",
+      "kavlan-5": "2001:660:4406:485:7::3",
+      "kavlan-6": "2001:660:4406:486:7::3",
+      "kavlan-7": "2001:660:4406:487:7::3",
+      "kavlan-8": "2001:660:4406:488:7::3",
+      "kavlan-9": "2001:660:4406:489:7::3"
+    }
+  },
   "main_memory": {
     "ram_size": 274877906944
   },
diff --git a/data/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-4.json b/data/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-4.json
index a440dc33e99f194a21519fdbcce178202f450941..e9f692887e288ef0a6018e339ae168161d594f81 100644
--- a/data/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-4.json
+++ b/data/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-4.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.13.70.4"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:481:7::4",
+      "kavlan-11": "2001:660:4406:48b:7::4",
+      "kavlan-12": "2001:660:4406:48c:7::4",
+      "kavlan-13": "2001:660:4406:48d:7::4",
+      "kavlan-14": "2001:660:4406:48e:7::4",
+      "kavlan-16": "2001:660:4406:490:7::4",
+      "kavlan-18": "2001:660:4406:492:7::4",
+      "kavlan-2": "2001:660:4406:482:7::4",
+      "kavlan-20": "2001:660:4406:494:7::4",
+      "kavlan-21": "2001:660:4406:495:7::4",
+      "kavlan-3": "2001:660:4406:483:7::4",
+      "kavlan-4": "2001:660:4406:484:7::4",
+      "kavlan-5": "2001:660:4406:485:7::4",
+      "kavlan-6": "2001:660:4406:486:7::4",
+      "kavlan-7": "2001:660:4406:487:7::4",
+      "kavlan-8": "2001:660:4406:488:7::4",
+      "kavlan-9": "2001:660:4406:489:7::4"
+    }
+  },
   "main_memory": {
     "ram_size": 274877906944
   },
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-1.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-1.json
index 6379cb7db975820cb44e040d5ad7ed14a9fc9f9e..3fde030d62454096636908c658fbbd7ad8686607 100644
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-1.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-1.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.13.64.1"
     }
   },
+  "kavlan6": {
+    "eth1": {
+      "kavlan-1": "2001:660:4406:481:2::1",
+      "kavlan-11": "2001:660:4406:48b:2::1",
+      "kavlan-12": "2001:660:4406:48c:2::1",
+      "kavlan-13": "2001:660:4406:48d:2::1",
+      "kavlan-14": "2001:660:4406:48e:2::1",
+      "kavlan-16": "2001:660:4406:490:2::1",
+      "kavlan-18": "2001:660:4406:492:2::1",
+      "kavlan-2": "2001:660:4406:482:2::1",
+      "kavlan-20": "2001:660:4406:494:2::1",
+      "kavlan-21": "2001:660:4406:495:2::1",
+      "kavlan-3": "2001:660:4406:483:2::1",
+      "kavlan-4": "2001:660:4406:484:2::1",
+      "kavlan-5": "2001:660:4406:485:2::1",
+      "kavlan-6": "2001:660:4406:486:2::1",
+      "kavlan-7": "2001:660:4406:487:2::1",
+      "kavlan-8": "2001:660:4406:488:2::1",
+      "kavlan-9": "2001:660:4406:489:2::1"
+    }
+  },
   "main_memory": {
     "ram_size": 2147483648
   },
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-11.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-11.json
index 12f09481d2cd5361b78e79f23d80e5c88bb22dd9..4522e59cc6375137db49ae3440312c264ec2e4ce 100644
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-11.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-11.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.13.64.11"
     }
   },
+  "kavlan6": {
+    "eth1": {
+      "kavlan-1": "2001:660:4406:481:2::b",
+      "kavlan-11": "2001:660:4406:48b:2::b",
+      "kavlan-12": "2001:660:4406:48c:2::b",
+      "kavlan-13": "2001:660:4406:48d:2::b",
+      "kavlan-14": "2001:660:4406:48e:2::b",
+      "kavlan-16": "2001:660:4406:490:2::b",
+      "kavlan-18": "2001:660:4406:492:2::b",
+      "kavlan-2": "2001:660:4406:482:2::b",
+      "kavlan-20": "2001:660:4406:494:2::b",
+      "kavlan-21": "2001:660:4406:495:2::b",
+      "kavlan-3": "2001:660:4406:483:2::b",
+      "kavlan-4": "2001:660:4406:484:2::b",
+      "kavlan-5": "2001:660:4406:485:2::b",
+      "kavlan-6": "2001:660:4406:486:2::b",
+      "kavlan-7": "2001:660:4406:487:2::b",
+      "kavlan-8": "2001:660:4406:488:2::b",
+      "kavlan-9": "2001:660:4406:489:2::b"
+    }
+  },
   "main_memory": {
     "ram_size": 2147483648
   },
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-12.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-12.json
index 6878e2c8d82e40ca77f286836a9c9e204bc9421d..633ec64d6f0b8a56d652fb87f3197bca288f9c01 100644
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-12.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-12.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.13.64.12"
     }
   },
+  "kavlan6": {
+    "eth1": {
+      "kavlan-1": "2001:660:4406:481:2::c",
+      "kavlan-11": "2001:660:4406:48b:2::c",
+      "kavlan-12": "2001:660:4406:48c:2::c",
+      "kavlan-13": "2001:660:4406:48d:2::c",
+      "kavlan-14": "2001:660:4406:48e:2::c",
+      "kavlan-16": "2001:660:4406:490:2::c",
+      "kavlan-18": "2001:660:4406:492:2::c",
+      "kavlan-2": "2001:660:4406:482:2::c",
+      "kavlan-20": "2001:660:4406:494:2::c",
+      "kavlan-21": "2001:660:4406:495:2::c",
+      "kavlan-3": "2001:660:4406:483:2::c",
+      "kavlan-4": "2001:660:4406:484:2::c",
+      "kavlan-5": "2001:660:4406:485:2::c",
+      "kavlan-6": "2001:660:4406:486:2::c",
+      "kavlan-7": "2001:660:4406:487:2::c",
+      "kavlan-8": "2001:660:4406:488:2::c",
+      "kavlan-9": "2001:660:4406:489:2::c"
+    }
+  },
   "main_memory": {
     "ram_size": 2147483648
   },
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-13.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-13.json
index 2e36c6ee673d2ec851883b601e6c49648fbd8251..961ee8f2ae4b01eddd7dcec4a719607388cee395 100644
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-13.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-13.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.13.64.13"
     }
   },
+  "kavlan6": {
+    "eth1": {
+      "kavlan-1": "2001:660:4406:481:2::d",
+      "kavlan-11": "2001:660:4406:48b:2::d",
+      "kavlan-12": "2001:660:4406:48c:2::d",
+      "kavlan-13": "2001:660:4406:48d:2::d",
+      "kavlan-14": "2001:660:4406:48e:2::d",
+      "kavlan-16": "2001:660:4406:490:2::d",
+      "kavlan-18": "2001:660:4406:492:2::d",
+      "kavlan-2": "2001:660:4406:482:2::d",
+      "kavlan-20": "2001:660:4406:494:2::d",
+      "kavlan-21": "2001:660:4406:495:2::d",
+      "kavlan-3": "2001:660:4406:483:2::d",
+      "kavlan-4": "2001:660:4406:484:2::d",
+      "kavlan-5": "2001:660:4406:485:2::d",
+      "kavlan-6": "2001:660:4406:486:2::d",
+      "kavlan-7": "2001:660:4406:487:2::d",
+      "kavlan-8": "2001:660:4406:488:2::d",
+      "kavlan-9": "2001:660:4406:489:2::d"
+    }
+  },
   "main_memory": {
     "ram_size": 2147483648
   },
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-14.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-14.json
index 52aa7df5aa5a78604df5bfd9ee22fc799b4f0eb4..ecb4e9242f6e636cdaea10345ff65c1dc7a5b1d5 100644
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-14.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-14.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.13.64.14"
     }
   },
+  "kavlan6": {
+    "eth1": {
+      "kavlan-1": "2001:660:4406:481:2::e",
+      "kavlan-11": "2001:660:4406:48b:2::e",
+      "kavlan-12": "2001:660:4406:48c:2::e",
+      "kavlan-13": "2001:660:4406:48d:2::e",
+      "kavlan-14": "2001:660:4406:48e:2::e",
+      "kavlan-16": "2001:660:4406:490:2::e",
+      "kavlan-18": "2001:660:4406:492:2::e",
+      "kavlan-2": "2001:660:4406:482:2::e",
+      "kavlan-20": "2001:660:4406:494:2::e",
+      "kavlan-21": "2001:660:4406:495:2::e",
+      "kavlan-3": "2001:660:4406:483:2::e",
+      "kavlan-4": "2001:660:4406:484:2::e",
+      "kavlan-5": "2001:660:4406:485:2::e",
+      "kavlan-6": "2001:660:4406:486:2::e",
+      "kavlan-7": "2001:660:4406:487:2::e",
+      "kavlan-8": "2001:660:4406:488:2::e",
+      "kavlan-9": "2001:660:4406:489:2::e"
+    }
+  },
   "main_memory": {
     "ram_size": 2147483648
   },
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-15.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-15.json
index 3adaaa9f7b2fce28658f7d0e7866f32aeedfaaca..ee183f5df92a61bbcf163b1a04fa4b23f2e1d49b 100644
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-15.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-15.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.13.64.15"
     }
   },
+  "kavlan6": {
+    "eth1": {
+      "kavlan-1": "2001:660:4406:481:2::f",
+      "kavlan-11": "2001:660:4406:48b:2::f",
+      "kavlan-12": "2001:660:4406:48c:2::f",
+      "kavlan-13": "2001:660:4406:48d:2::f",
+      "kavlan-14": "2001:660:4406:48e:2::f",
+      "kavlan-16": "2001:660:4406:490:2::f",
+      "kavlan-18": "2001:660:4406:492:2::f",
+      "kavlan-2": "2001:660:4406:482:2::f",
+      "kavlan-20": "2001:660:4406:494:2::f",
+      "kavlan-21": "2001:660:4406:495:2::f",
+      "kavlan-3": "2001:660:4406:483:2::f",
+      "kavlan-4": "2001:660:4406:484:2::f",
+      "kavlan-5": "2001:660:4406:485:2::f",
+      "kavlan-6": "2001:660:4406:486:2::f",
+      "kavlan-7": "2001:660:4406:487:2::f",
+      "kavlan-8": "2001:660:4406:488:2::f",
+      "kavlan-9": "2001:660:4406:489:2::f"
+    }
+  },
   "main_memory": {
     "ram_size": 2147483648
   },
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-16.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-16.json
index 305d82c395d0a690edd2d57377b8a754b613ad22..28140870c8a305b66b73e491ce9611ca166367be 100644
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-16.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-16.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.13.64.16"
     }
   },
+  "kavlan6": {
+    "eth1": {
+      "kavlan-1": "2001:660:4406:481:2::10",
+      "kavlan-11": "2001:660:4406:48b:2::10",
+      "kavlan-12": "2001:660:4406:48c:2::10",
+      "kavlan-13": "2001:660:4406:48d:2::10",
+      "kavlan-14": "2001:660:4406:48e:2::10",
+      "kavlan-16": "2001:660:4406:490:2::10",
+      "kavlan-18": "2001:660:4406:492:2::10",
+      "kavlan-2": "2001:660:4406:482:2::10",
+      "kavlan-20": "2001:660:4406:494:2::10",
+      "kavlan-21": "2001:660:4406:495:2::10",
+      "kavlan-3": "2001:660:4406:483:2::10",
+      "kavlan-4": "2001:660:4406:484:2::10",
+      "kavlan-5": "2001:660:4406:485:2::10",
+      "kavlan-6": "2001:660:4406:486:2::10",
+      "kavlan-7": "2001:660:4406:487:2::10",
+      "kavlan-8": "2001:660:4406:488:2::10",
+      "kavlan-9": "2001:660:4406:489:2::10"
+    }
+  },
   "main_memory": {
     "ram_size": 2147483648
   },
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-17.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-17.json
index 99037badc6154c18134511aa5c19877ba8e9cd62..f899d876d0a6b1e7d167c978f07c491b2f07ccb9 100644
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-17.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-17.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.13.64.17"
     }
   },
+  "kavlan6": {
+    "eth1": {
+      "kavlan-1": "2001:660:4406:481:2::11",
+      "kavlan-11": "2001:660:4406:48b:2::11",
+      "kavlan-12": "2001:660:4406:48c:2::11",
+      "kavlan-13": "2001:660:4406:48d:2::11",
+      "kavlan-14": "2001:660:4406:48e:2::11",
+      "kavlan-16": "2001:660:4406:490:2::11",
+      "kavlan-18": "2001:660:4406:492:2::11",
+      "kavlan-2": "2001:660:4406:482:2::11",
+      "kavlan-20": "2001:660:4406:494:2::11",
+      "kavlan-21": "2001:660:4406:495:2::11",
+      "kavlan-3": "2001:660:4406:483:2::11",
+      "kavlan-4": "2001:660:4406:484:2::11",
+      "kavlan-5": "2001:660:4406:485:2::11",
+      "kavlan-6": "2001:660:4406:486:2::11",
+      "kavlan-7": "2001:660:4406:487:2::11",
+      "kavlan-8": "2001:660:4406:488:2::11",
+      "kavlan-9": "2001:660:4406:489:2::11"
+    }
+  },
   "main_memory": {
     "ram_size": 2147483648
   },
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-18.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-18.json
index 2b06149426a43ac996fa4ad5643d0c63979115e3..70accd2adda341061f1868c18021e152e3af94f1 100644
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-18.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-18.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.13.64.18"
     }
   },
+  "kavlan6": {
+    "eth1": {
+      "kavlan-1": "2001:660:4406:481:2::12",
+      "kavlan-11": "2001:660:4406:48b:2::12",
+      "kavlan-12": "2001:660:4406:48c:2::12",
+      "kavlan-13": "2001:660:4406:48d:2::12",
+      "kavlan-14": "2001:660:4406:48e:2::12",
+      "kavlan-16": "2001:660:4406:490:2::12",
+      "kavlan-18": "2001:660:4406:492:2::12",
+      "kavlan-2": "2001:660:4406:482:2::12",
+      "kavlan-20": "2001:660:4406:494:2::12",
+      "kavlan-21": "2001:660:4406:495:2::12",
+      "kavlan-3": "2001:660:4406:483:2::12",
+      "kavlan-4": "2001:660:4406:484:2::12",
+      "kavlan-5": "2001:660:4406:485:2::12",
+      "kavlan-6": "2001:660:4406:486:2::12",
+      "kavlan-7": "2001:660:4406:487:2::12",
+      "kavlan-8": "2001:660:4406:488:2::12",
+      "kavlan-9": "2001:660:4406:489:2::12"
+    }
+  },
   "main_memory": {
     "ram_size": 2147483648
   },
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-19.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-19.json
index 2810e68c69f46f7af00aaf00e57fa55c00486037..cba5a5e765a9e958a9876fab72bded3111c1141f 100644
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-19.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-19.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.13.64.19"
     }
   },
+  "kavlan6": {
+    "eth1": {
+      "kavlan-1": "2001:660:4406:481:2::13",
+      "kavlan-11": "2001:660:4406:48b:2::13",
+      "kavlan-12": "2001:660:4406:48c:2::13",
+      "kavlan-13": "2001:660:4406:48d:2::13",
+      "kavlan-14": "2001:660:4406:48e:2::13",
+      "kavlan-16": "2001:660:4406:490:2::13",
+      "kavlan-18": "2001:660:4406:492:2::13",
+      "kavlan-2": "2001:660:4406:482:2::13",
+      "kavlan-20": "2001:660:4406:494:2::13",
+      "kavlan-21": "2001:660:4406:495:2::13",
+      "kavlan-3": "2001:660:4406:483:2::13",
+      "kavlan-4": "2001:660:4406:484:2::13",
+      "kavlan-5": "2001:660:4406:485:2::13",
+      "kavlan-6": "2001:660:4406:486:2::13",
+      "kavlan-7": "2001:660:4406:487:2::13",
+      "kavlan-8": "2001:660:4406:488:2::13",
+      "kavlan-9": "2001:660:4406:489:2::13"
+    }
+  },
   "main_memory": {
     "ram_size": 2147483648
   },
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-2.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-2.json
index cb47c1b8be832f3e9f81a20292c09ea920f1e89d..e300a9202cc82f5aeaffe42da0d152b2bbe372c1 100644
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-2.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-2.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.13.64.2"
     }
   },
+  "kavlan6": {
+    "eth1": {
+      "kavlan-1": "2001:660:4406:481:2::2",
+      "kavlan-11": "2001:660:4406:48b:2::2",
+      "kavlan-12": "2001:660:4406:48c:2::2",
+      "kavlan-13": "2001:660:4406:48d:2::2",
+      "kavlan-14": "2001:660:4406:48e:2::2",
+      "kavlan-16": "2001:660:4406:490:2::2",
+      "kavlan-18": "2001:660:4406:492:2::2",
+      "kavlan-2": "2001:660:4406:482:2::2",
+      "kavlan-20": "2001:660:4406:494:2::2",
+      "kavlan-21": "2001:660:4406:495:2::2",
+      "kavlan-3": "2001:660:4406:483:2::2",
+      "kavlan-4": "2001:660:4406:484:2::2",
+      "kavlan-5": "2001:660:4406:485:2::2",
+      "kavlan-6": "2001:660:4406:486:2::2",
+      "kavlan-7": "2001:660:4406:487:2::2",
+      "kavlan-8": "2001:660:4406:488:2::2",
+      "kavlan-9": "2001:660:4406:489:2::2"
+    }
+  },
   "main_memory": {
     "ram_size": 2147483648
   },
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-20.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-20.json
index 779b04fb098afc8c098707f8e579978742640fc7..8260fa465fd5873b066c88a8c1c8a85ce22e8eac 100644
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-20.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-20.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.13.64.20"
     }
   },
+  "kavlan6": {
+    "eth1": {
+      "kavlan-1": "2001:660:4406:481:2::14",
+      "kavlan-11": "2001:660:4406:48b:2::14",
+      "kavlan-12": "2001:660:4406:48c:2::14",
+      "kavlan-13": "2001:660:4406:48d:2::14",
+      "kavlan-14": "2001:660:4406:48e:2::14",
+      "kavlan-16": "2001:660:4406:490:2::14",
+      "kavlan-18": "2001:660:4406:492:2::14",
+      "kavlan-2": "2001:660:4406:482:2::14",
+      "kavlan-20": "2001:660:4406:494:2::14",
+      "kavlan-21": "2001:660:4406:495:2::14",
+      "kavlan-3": "2001:660:4406:483:2::14",
+      "kavlan-4": "2001:660:4406:484:2::14",
+      "kavlan-5": "2001:660:4406:485:2::14",
+      "kavlan-6": "2001:660:4406:486:2::14",
+      "kavlan-7": "2001:660:4406:487:2::14",
+      "kavlan-8": "2001:660:4406:488:2::14",
+      "kavlan-9": "2001:660:4406:489:2::14"
+    }
+  },
   "main_memory": {
     "ram_size": 2147483648
   },
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-24.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-24.json
index 8e5ecbdea62445bf3840b44a824ee706f1e1eb6c..aa5c79561c411425feb6447dbab82927cb02110a 100644
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-24.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-24.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.13.64.24"
     }
   },
+  "kavlan6": {
+    "eth1": {
+      "kavlan-1": "2001:660:4406:481:2::18",
+      "kavlan-11": "2001:660:4406:48b:2::18",
+      "kavlan-12": "2001:660:4406:48c:2::18",
+      "kavlan-13": "2001:660:4406:48d:2::18",
+      "kavlan-14": "2001:660:4406:48e:2::18",
+      "kavlan-16": "2001:660:4406:490:2::18",
+      "kavlan-18": "2001:660:4406:492:2::18",
+      "kavlan-2": "2001:660:4406:482:2::18",
+      "kavlan-20": "2001:660:4406:494:2::18",
+      "kavlan-21": "2001:660:4406:495:2::18",
+      "kavlan-3": "2001:660:4406:483:2::18",
+      "kavlan-4": "2001:660:4406:484:2::18",
+      "kavlan-5": "2001:660:4406:485:2::18",
+      "kavlan-6": "2001:660:4406:486:2::18",
+      "kavlan-7": "2001:660:4406:487:2::18",
+      "kavlan-8": "2001:660:4406:488:2::18",
+      "kavlan-9": "2001:660:4406:489:2::18"
+    }
+  },
   "main_memory": {
     "ram_size": 2147483648
   },
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-27.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-27.json
index 163a82f66abfd675e50b191b8953982b1f805cfb..c853a9374609b769cf6557c23e69836744a99ec7 100644
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-27.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-27.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.13.64.27"
     }
   },
+  "kavlan6": {
+    "eth1": {
+      "kavlan-1": "2001:660:4406:481:2::1b",
+      "kavlan-11": "2001:660:4406:48b:2::1b",
+      "kavlan-12": "2001:660:4406:48c:2::1b",
+      "kavlan-13": "2001:660:4406:48d:2::1b",
+      "kavlan-14": "2001:660:4406:48e:2::1b",
+      "kavlan-16": "2001:660:4406:490:2::1b",
+      "kavlan-18": "2001:660:4406:492:2::1b",
+      "kavlan-2": "2001:660:4406:482:2::1b",
+      "kavlan-20": "2001:660:4406:494:2::1b",
+      "kavlan-21": "2001:660:4406:495:2::1b",
+      "kavlan-3": "2001:660:4406:483:2::1b",
+      "kavlan-4": "2001:660:4406:484:2::1b",
+      "kavlan-5": "2001:660:4406:485:2::1b",
+      "kavlan-6": "2001:660:4406:486:2::1b",
+      "kavlan-7": "2001:660:4406:487:2::1b",
+      "kavlan-8": "2001:660:4406:488:2::1b",
+      "kavlan-9": "2001:660:4406:489:2::1b"
+    }
+  },
   "main_memory": {
     "ram_size": 2147483648
   },
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-29.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-29.json
index 719f70ed6eab6af083e8b1c6763fd4f461545989..bb8e3bde41da97a15d632499ecf0cafb3bd04967 100644
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-29.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-29.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.13.64.29"
     }
   },
+  "kavlan6": {
+    "eth1": {
+      "kavlan-1": "2001:660:4406:481:2::1d",
+      "kavlan-11": "2001:660:4406:48b:2::1d",
+      "kavlan-12": "2001:660:4406:48c:2::1d",
+      "kavlan-13": "2001:660:4406:48d:2::1d",
+      "kavlan-14": "2001:660:4406:48e:2::1d",
+      "kavlan-16": "2001:660:4406:490:2::1d",
+      "kavlan-18": "2001:660:4406:492:2::1d",
+      "kavlan-2": "2001:660:4406:482:2::1d",
+      "kavlan-20": "2001:660:4406:494:2::1d",
+      "kavlan-21": "2001:660:4406:495:2::1d",
+      "kavlan-3": "2001:660:4406:483:2::1d",
+      "kavlan-4": "2001:660:4406:484:2::1d",
+      "kavlan-5": "2001:660:4406:485:2::1d",
+      "kavlan-6": "2001:660:4406:486:2::1d",
+      "kavlan-7": "2001:660:4406:487:2::1d",
+      "kavlan-8": "2001:660:4406:488:2::1d",
+      "kavlan-9": "2001:660:4406:489:2::1d"
+    }
+  },
   "main_memory": {
     "ram_size": 2147483648
   },
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-3.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-3.json
index dbdf0fec2905ee158f87c12bbcb5ebc1fb43b468..d0ec0dbd8b1432e3124f71a0f7e4e94077b533b7 100644
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-3.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-3.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.13.64.3"
     }
   },
+  "kavlan6": {
+    "eth1": {
+      "kavlan-1": "2001:660:4406:481:2::3",
+      "kavlan-11": "2001:660:4406:48b:2::3",
+      "kavlan-12": "2001:660:4406:48c:2::3",
+      "kavlan-13": "2001:660:4406:48d:2::3",
+      "kavlan-14": "2001:660:4406:48e:2::3",
+      "kavlan-16": "2001:660:4406:490:2::3",
+      "kavlan-18": "2001:660:4406:492:2::3",
+      "kavlan-2": "2001:660:4406:482:2::3",
+      "kavlan-20": "2001:660:4406:494:2::3",
+      "kavlan-21": "2001:660:4406:495:2::3",
+      "kavlan-3": "2001:660:4406:483:2::3",
+      "kavlan-4": "2001:660:4406:484:2::3",
+      "kavlan-5": "2001:660:4406:485:2::3",
+      "kavlan-6": "2001:660:4406:486:2::3",
+      "kavlan-7": "2001:660:4406:487:2::3",
+      "kavlan-8": "2001:660:4406:488:2::3",
+      "kavlan-9": "2001:660:4406:489:2::3"
+    }
+  },
   "main_memory": {
     "ram_size": 2147483648
   },
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-30.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-30.json
index d3a7b80bfe2322fe618aa441f22a96a4b0b45480..06c7d3a3e2445f5b4de28ebec6ef45ddc9a29ed8 100644
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-30.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-30.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.13.64.30"
     }
   },
+  "kavlan6": {
+    "eth1": {
+      "kavlan-1": "2001:660:4406:481:2::1e",
+      "kavlan-11": "2001:660:4406:48b:2::1e",
+      "kavlan-12": "2001:660:4406:48c:2::1e",
+      "kavlan-13": "2001:660:4406:48d:2::1e",
+      "kavlan-14": "2001:660:4406:48e:2::1e",
+      "kavlan-16": "2001:660:4406:490:2::1e",
+      "kavlan-18": "2001:660:4406:492:2::1e",
+      "kavlan-2": "2001:660:4406:482:2::1e",
+      "kavlan-20": "2001:660:4406:494:2::1e",
+      "kavlan-21": "2001:660:4406:495:2::1e",
+      "kavlan-3": "2001:660:4406:483:2::1e",
+      "kavlan-4": "2001:660:4406:484:2::1e",
+      "kavlan-5": "2001:660:4406:485:2::1e",
+      "kavlan-6": "2001:660:4406:486:2::1e",
+      "kavlan-7": "2001:660:4406:487:2::1e",
+      "kavlan-8": "2001:660:4406:488:2::1e",
+      "kavlan-9": "2001:660:4406:489:2::1e"
+    }
+  },
   "main_memory": {
     "ram_size": 2147483648
   },
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-31.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-31.json
index c50457de63106181aa5f422d76d22951bbf7b8ad..9f40b984019c6d55ecaba62a1665599a4523210d 100644
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-31.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-31.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.13.64.31"
     }
   },
+  "kavlan6": {
+    "eth1": {
+      "kavlan-1": "2001:660:4406:481:2::1f",
+      "kavlan-11": "2001:660:4406:48b:2::1f",
+      "kavlan-12": "2001:660:4406:48c:2::1f",
+      "kavlan-13": "2001:660:4406:48d:2::1f",
+      "kavlan-14": "2001:660:4406:48e:2::1f",
+      "kavlan-16": "2001:660:4406:490:2::1f",
+      "kavlan-18": "2001:660:4406:492:2::1f",
+      "kavlan-2": "2001:660:4406:482:2::1f",
+      "kavlan-20": "2001:660:4406:494:2::1f",
+      "kavlan-21": "2001:660:4406:495:2::1f",
+      "kavlan-3": "2001:660:4406:483:2::1f",
+      "kavlan-4": "2001:660:4406:484:2::1f",
+      "kavlan-5": "2001:660:4406:485:2::1f",
+      "kavlan-6": "2001:660:4406:486:2::1f",
+      "kavlan-7": "2001:660:4406:487:2::1f",
+      "kavlan-8": "2001:660:4406:488:2::1f",
+      "kavlan-9": "2001:660:4406:489:2::1f"
+    }
+  },
   "main_memory": {
     "ram_size": 2147483648
   },
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-4.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-4.json
index 11fb419229061b281b826fb5d001ba6b62dc3675..8248b7acb4e4addc8c523242a13d73a83dba0e90 100644
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-4.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-4.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.13.64.4"
     }
   },
+  "kavlan6": {
+    "eth1": {
+      "kavlan-1": "2001:660:4406:481:2::4",
+      "kavlan-11": "2001:660:4406:48b:2::4",
+      "kavlan-12": "2001:660:4406:48c:2::4",
+      "kavlan-13": "2001:660:4406:48d:2::4",
+      "kavlan-14": "2001:660:4406:48e:2::4",
+      "kavlan-16": "2001:660:4406:490:2::4",
+      "kavlan-18": "2001:660:4406:492:2::4",
+      "kavlan-2": "2001:660:4406:482:2::4",
+      "kavlan-20": "2001:660:4406:494:2::4",
+      "kavlan-21": "2001:660:4406:495:2::4",
+      "kavlan-3": "2001:660:4406:483:2::4",
+      "kavlan-4": "2001:660:4406:484:2::4",
+      "kavlan-5": "2001:660:4406:485:2::4",
+      "kavlan-6": "2001:660:4406:486:2::4",
+      "kavlan-7": "2001:660:4406:487:2::4",
+      "kavlan-8": "2001:660:4406:488:2::4",
+      "kavlan-9": "2001:660:4406:489:2::4"
+    }
+  },
   "main_memory": {
     "ram_size": 2147483648
   },
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-5.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-5.json
index 2990cda64bd5183742a9477721d888cbff7b78f6..8b6027db1da18862ae78f97cfde14363c00f1f91 100644
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-5.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-5.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.13.64.5"
     }
   },
+  "kavlan6": {
+    "eth1": {
+      "kavlan-1": "2001:660:4406:481:2::5",
+      "kavlan-11": "2001:660:4406:48b:2::5",
+      "kavlan-12": "2001:660:4406:48c:2::5",
+      "kavlan-13": "2001:660:4406:48d:2::5",
+      "kavlan-14": "2001:660:4406:48e:2::5",
+      "kavlan-16": "2001:660:4406:490:2::5",
+      "kavlan-18": "2001:660:4406:492:2::5",
+      "kavlan-2": "2001:660:4406:482:2::5",
+      "kavlan-20": "2001:660:4406:494:2::5",
+      "kavlan-21": "2001:660:4406:495:2::5",
+      "kavlan-3": "2001:660:4406:483:2::5",
+      "kavlan-4": "2001:660:4406:484:2::5",
+      "kavlan-5": "2001:660:4406:485:2::5",
+      "kavlan-6": "2001:660:4406:486:2::5",
+      "kavlan-7": "2001:660:4406:487:2::5",
+      "kavlan-8": "2001:660:4406:488:2::5",
+      "kavlan-9": "2001:660:4406:489:2::5"
+    }
+  },
   "main_memory": {
     "ram_size": 2147483648
   },
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-6.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-6.json
index 3be12d87ed9c99ef993f71765ff342b9e6b0362e..f35abc72e541a059f3b090f83e43207258e0b044 100644
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-6.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-6.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.13.64.6"
     }
   },
+  "kavlan6": {
+    "eth1": {
+      "kavlan-1": "2001:660:4406:481:2::6",
+      "kavlan-11": "2001:660:4406:48b:2::6",
+      "kavlan-12": "2001:660:4406:48c:2::6",
+      "kavlan-13": "2001:660:4406:48d:2::6",
+      "kavlan-14": "2001:660:4406:48e:2::6",
+      "kavlan-16": "2001:660:4406:490:2::6",
+      "kavlan-18": "2001:660:4406:492:2::6",
+      "kavlan-2": "2001:660:4406:482:2::6",
+      "kavlan-20": "2001:660:4406:494:2::6",
+      "kavlan-21": "2001:660:4406:495:2::6",
+      "kavlan-3": "2001:660:4406:483:2::6",
+      "kavlan-4": "2001:660:4406:484:2::6",
+      "kavlan-5": "2001:660:4406:485:2::6",
+      "kavlan-6": "2001:660:4406:486:2::6",
+      "kavlan-7": "2001:660:4406:487:2::6",
+      "kavlan-8": "2001:660:4406:488:2::6",
+      "kavlan-9": "2001:660:4406:489:2::6"
+    }
+  },
   "main_memory": {
     "ram_size": 2147483648
   },
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-7.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-7.json
index 0efe98d1572ea8531efe448603550e43bdecd802..109257e855dbd75b3d6761c1a6f4a50071984887 100644
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-7.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-7.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.13.64.7"
     }
   },
+  "kavlan6": {
+    "eth1": {
+      "kavlan-1": "2001:660:4406:481:2::7",
+      "kavlan-11": "2001:660:4406:48b:2::7",
+      "kavlan-12": "2001:660:4406:48c:2::7",
+      "kavlan-13": "2001:660:4406:48d:2::7",
+      "kavlan-14": "2001:660:4406:48e:2::7",
+      "kavlan-16": "2001:660:4406:490:2::7",
+      "kavlan-18": "2001:660:4406:492:2::7",
+      "kavlan-2": "2001:660:4406:482:2::7",
+      "kavlan-20": "2001:660:4406:494:2::7",
+      "kavlan-21": "2001:660:4406:495:2::7",
+      "kavlan-3": "2001:660:4406:483:2::7",
+      "kavlan-4": "2001:660:4406:484:2::7",
+      "kavlan-5": "2001:660:4406:485:2::7",
+      "kavlan-6": "2001:660:4406:486:2::7",
+      "kavlan-7": "2001:660:4406:487:2::7",
+      "kavlan-8": "2001:660:4406:488:2::7",
+      "kavlan-9": "2001:660:4406:489:2::7"
+    }
+  },
   "main_memory": {
     "ram_size": 2147483648
   },
diff --git a/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-1.json b/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-1.json
index 4d2c2140015452826cc11109dc24fa673bceba8c..3f8f39cfb1878541f8f09a1d12e937ccb1d53fc2 100644
--- a/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-1.json
+++ b/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-1.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.13.65.1"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:481:1::1",
+      "kavlan-11": "2001:660:4406:48b:1::1",
+      "kavlan-12": "2001:660:4406:48c:1::1",
+      "kavlan-13": "2001:660:4406:48d:1::1",
+      "kavlan-14": "2001:660:4406:48e:1::1",
+      "kavlan-16": "2001:660:4406:490:1::1",
+      "kavlan-18": "2001:660:4406:492:1::1",
+      "kavlan-2": "2001:660:4406:482:1::1",
+      "kavlan-20": "2001:660:4406:494:1::1",
+      "kavlan-21": "2001:660:4406:495:1::1",
+      "kavlan-3": "2001:660:4406:483:1::1",
+      "kavlan-4": "2001:660:4406:484:1::1",
+      "kavlan-5": "2001:660:4406:485:1::1",
+      "kavlan-6": "2001:660:4406:486:1::1",
+      "kavlan-7": "2001:660:4406:487:1::1",
+      "kavlan-8": "2001:660:4406:488:1::1",
+      "kavlan-9": "2001:660:4406:489:1::1"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
diff --git a/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-10.json b/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-10.json
index d974529d7876a0c66ca84233254faacc4cfbd4c7..a53f49f01c5f70d748ef5950742896b24800532e 100644
--- a/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-10.json
+++ b/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-10.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.13.65.10"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:481:1::a",
+      "kavlan-11": "2001:660:4406:48b:1::a",
+      "kavlan-12": "2001:660:4406:48c:1::a",
+      "kavlan-13": "2001:660:4406:48d:1::a",
+      "kavlan-14": "2001:660:4406:48e:1::a",
+      "kavlan-16": "2001:660:4406:490:1::a",
+      "kavlan-18": "2001:660:4406:492:1::a",
+      "kavlan-2": "2001:660:4406:482:1::a",
+      "kavlan-20": "2001:660:4406:494:1::a",
+      "kavlan-21": "2001:660:4406:495:1::a",
+      "kavlan-3": "2001:660:4406:483:1::a",
+      "kavlan-4": "2001:660:4406:484:1::a",
+      "kavlan-5": "2001:660:4406:485:1::a",
+      "kavlan-6": "2001:660:4406:486:1::a",
+      "kavlan-7": "2001:660:4406:487:1::a",
+      "kavlan-8": "2001:660:4406:488:1::a",
+      "kavlan-9": "2001:660:4406:489:1::a"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
diff --git a/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-11.json b/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-11.json
index e468d5c7d51f59ed511a374cdb03324f4d8802fa..e77ddb4cb3efd16c58069edccfb11c6a615f1f35 100644
--- a/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-11.json
+++ b/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-11.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.13.65.11"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:481:1::b",
+      "kavlan-11": "2001:660:4406:48b:1::b",
+      "kavlan-12": "2001:660:4406:48c:1::b",
+      "kavlan-13": "2001:660:4406:48d:1::b",
+      "kavlan-14": "2001:660:4406:48e:1::b",
+      "kavlan-16": "2001:660:4406:490:1::b",
+      "kavlan-18": "2001:660:4406:492:1::b",
+      "kavlan-2": "2001:660:4406:482:1::b",
+      "kavlan-20": "2001:660:4406:494:1::b",
+      "kavlan-21": "2001:660:4406:495:1::b",
+      "kavlan-3": "2001:660:4406:483:1::b",
+      "kavlan-4": "2001:660:4406:484:1::b",
+      "kavlan-5": "2001:660:4406:485:1::b",
+      "kavlan-6": "2001:660:4406:486:1::b",
+      "kavlan-7": "2001:660:4406:487:1::b",
+      "kavlan-8": "2001:660:4406:488:1::b",
+      "kavlan-9": "2001:660:4406:489:1::b"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
diff --git a/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-12.json b/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-12.json
index f94e90288779c8ce8c7bccc1bc7dbf96c4b1f914..2a74f3f05d4c2d65f1bd7d0dee7fb5fc6dc1708d 100644
--- a/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-12.json
+++ b/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-12.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.13.65.12"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:481:1::c",
+      "kavlan-11": "2001:660:4406:48b:1::c",
+      "kavlan-12": "2001:660:4406:48c:1::c",
+      "kavlan-13": "2001:660:4406:48d:1::c",
+      "kavlan-14": "2001:660:4406:48e:1::c",
+      "kavlan-16": "2001:660:4406:490:1::c",
+      "kavlan-18": "2001:660:4406:492:1::c",
+      "kavlan-2": "2001:660:4406:482:1::c",
+      "kavlan-20": "2001:660:4406:494:1::c",
+      "kavlan-21": "2001:660:4406:495:1::c",
+      "kavlan-3": "2001:660:4406:483:1::c",
+      "kavlan-4": "2001:660:4406:484:1::c",
+      "kavlan-5": "2001:660:4406:485:1::c",
+      "kavlan-6": "2001:660:4406:486:1::c",
+      "kavlan-7": "2001:660:4406:487:1::c",
+      "kavlan-8": "2001:660:4406:488:1::c",
+      "kavlan-9": "2001:660:4406:489:1::c"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
diff --git a/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-13.json b/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-13.json
index 45590ab575473d0af8fc640b4f21166929d0ee01..4e5d63c993afef4714335385e27d6bd86e11345d 100644
--- a/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-13.json
+++ b/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-13.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.13.65.13"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:481:1::d",
+      "kavlan-11": "2001:660:4406:48b:1::d",
+      "kavlan-12": "2001:660:4406:48c:1::d",
+      "kavlan-13": "2001:660:4406:48d:1::d",
+      "kavlan-14": "2001:660:4406:48e:1::d",
+      "kavlan-16": "2001:660:4406:490:1::d",
+      "kavlan-18": "2001:660:4406:492:1::d",
+      "kavlan-2": "2001:660:4406:482:1::d",
+      "kavlan-20": "2001:660:4406:494:1::d",
+      "kavlan-21": "2001:660:4406:495:1::d",
+      "kavlan-3": "2001:660:4406:483:1::d",
+      "kavlan-4": "2001:660:4406:484:1::d",
+      "kavlan-5": "2001:660:4406:485:1::d",
+      "kavlan-6": "2001:660:4406:486:1::d",
+      "kavlan-7": "2001:660:4406:487:1::d",
+      "kavlan-8": "2001:660:4406:488:1::d",
+      "kavlan-9": "2001:660:4406:489:1::d"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
diff --git a/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-14.json b/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-14.json
index 0a460cd6ca252014b3ab97e72ee8211dcab96242..e7c41d2050861e67ba5b4965773d226310137165 100644
--- a/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-14.json
+++ b/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-14.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.13.65.14"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:481:1::e",
+      "kavlan-11": "2001:660:4406:48b:1::e",
+      "kavlan-12": "2001:660:4406:48c:1::e",
+      "kavlan-13": "2001:660:4406:48d:1::e",
+      "kavlan-14": "2001:660:4406:48e:1::e",
+      "kavlan-16": "2001:660:4406:490:1::e",
+      "kavlan-18": "2001:660:4406:492:1::e",
+      "kavlan-2": "2001:660:4406:482:1::e",
+      "kavlan-20": "2001:660:4406:494:1::e",
+      "kavlan-21": "2001:660:4406:495:1::e",
+      "kavlan-3": "2001:660:4406:483:1::e",
+      "kavlan-4": "2001:660:4406:484:1::e",
+      "kavlan-5": "2001:660:4406:485:1::e",
+      "kavlan-6": "2001:660:4406:486:1::e",
+      "kavlan-7": "2001:660:4406:487:1::e",
+      "kavlan-8": "2001:660:4406:488:1::e",
+      "kavlan-9": "2001:660:4406:489:1::e"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
diff --git a/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-15.json b/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-15.json
index a16aa3e1cb7e7a40b4a7c5c552160b3395a7ac89..b00deb1f66d4e9544d1d4bfad021d5db48fb0fd1 100644
--- a/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-15.json
+++ b/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-15.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.13.65.15"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:481:1::f",
+      "kavlan-11": "2001:660:4406:48b:1::f",
+      "kavlan-12": "2001:660:4406:48c:1::f",
+      "kavlan-13": "2001:660:4406:48d:1::f",
+      "kavlan-14": "2001:660:4406:48e:1::f",
+      "kavlan-16": "2001:660:4406:490:1::f",
+      "kavlan-18": "2001:660:4406:492:1::f",
+      "kavlan-2": "2001:660:4406:482:1::f",
+      "kavlan-20": "2001:660:4406:494:1::f",
+      "kavlan-21": "2001:660:4406:495:1::f",
+      "kavlan-3": "2001:660:4406:483:1::f",
+      "kavlan-4": "2001:660:4406:484:1::f",
+      "kavlan-5": "2001:660:4406:485:1::f",
+      "kavlan-6": "2001:660:4406:486:1::f",
+      "kavlan-7": "2001:660:4406:487:1::f",
+      "kavlan-8": "2001:660:4406:488:1::f",
+      "kavlan-9": "2001:660:4406:489:1::f"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
diff --git a/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-2.json b/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-2.json
index d429250dd4571972e4b23ee58ce9df296e7b529d..ba5b9a72e21d2f66cf417dbfa021961486177804 100644
--- a/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-2.json
+++ b/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-2.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.13.65.2"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:481:1::2",
+      "kavlan-11": "2001:660:4406:48b:1::2",
+      "kavlan-12": "2001:660:4406:48c:1::2",
+      "kavlan-13": "2001:660:4406:48d:1::2",
+      "kavlan-14": "2001:660:4406:48e:1::2",
+      "kavlan-16": "2001:660:4406:490:1::2",
+      "kavlan-18": "2001:660:4406:492:1::2",
+      "kavlan-2": "2001:660:4406:482:1::2",
+      "kavlan-20": "2001:660:4406:494:1::2",
+      "kavlan-21": "2001:660:4406:495:1::2",
+      "kavlan-3": "2001:660:4406:483:1::2",
+      "kavlan-4": "2001:660:4406:484:1::2",
+      "kavlan-5": "2001:660:4406:485:1::2",
+      "kavlan-6": "2001:660:4406:486:1::2",
+      "kavlan-7": "2001:660:4406:487:1::2",
+      "kavlan-8": "2001:660:4406:488:1::2",
+      "kavlan-9": "2001:660:4406:489:1::2"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
diff --git a/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-3.json b/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-3.json
index 68035e2e2d3d21e34f40212673afe274ff8b26ba..3642834d5fc188a8742cf6f00e957d9e535c2d12 100644
--- a/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-3.json
+++ b/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-3.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.13.65.3"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:481:1::3",
+      "kavlan-11": "2001:660:4406:48b:1::3",
+      "kavlan-12": "2001:660:4406:48c:1::3",
+      "kavlan-13": "2001:660:4406:48d:1::3",
+      "kavlan-14": "2001:660:4406:48e:1::3",
+      "kavlan-16": "2001:660:4406:490:1::3",
+      "kavlan-18": "2001:660:4406:492:1::3",
+      "kavlan-2": "2001:660:4406:482:1::3",
+      "kavlan-20": "2001:660:4406:494:1::3",
+      "kavlan-21": "2001:660:4406:495:1::3",
+      "kavlan-3": "2001:660:4406:483:1::3",
+      "kavlan-4": "2001:660:4406:484:1::3",
+      "kavlan-5": "2001:660:4406:485:1::3",
+      "kavlan-6": "2001:660:4406:486:1::3",
+      "kavlan-7": "2001:660:4406:487:1::3",
+      "kavlan-8": "2001:660:4406:488:1::3",
+      "kavlan-9": "2001:660:4406:489:1::3"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
diff --git a/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-4.json b/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-4.json
index 760ac7b2fdd029e6c331e4342342f0e50aba1540..2f17d135df6afd7677571495af4f7904330044cd 100644
--- a/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-4.json
+++ b/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-4.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.13.65.4"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:481:1::4",
+      "kavlan-11": "2001:660:4406:48b:1::4",
+      "kavlan-12": "2001:660:4406:48c:1::4",
+      "kavlan-13": "2001:660:4406:48d:1::4",
+      "kavlan-14": "2001:660:4406:48e:1::4",
+      "kavlan-16": "2001:660:4406:490:1::4",
+      "kavlan-18": "2001:660:4406:492:1::4",
+      "kavlan-2": "2001:660:4406:482:1::4",
+      "kavlan-20": "2001:660:4406:494:1::4",
+      "kavlan-21": "2001:660:4406:495:1::4",
+      "kavlan-3": "2001:660:4406:483:1::4",
+      "kavlan-4": "2001:660:4406:484:1::4",
+      "kavlan-5": "2001:660:4406:485:1::4",
+      "kavlan-6": "2001:660:4406:486:1::4",
+      "kavlan-7": "2001:660:4406:487:1::4",
+      "kavlan-8": "2001:660:4406:488:1::4",
+      "kavlan-9": "2001:660:4406:489:1::4"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
diff --git a/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-5.json b/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-5.json
index fbbed8bda8608e1913069f08679563e0e24bda5f..38d775533d6315d09bc4b9a25e337ddcbb070586 100644
--- a/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-5.json
+++ b/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-5.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.13.65.5"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:481:1::5",
+      "kavlan-11": "2001:660:4406:48b:1::5",
+      "kavlan-12": "2001:660:4406:48c:1::5",
+      "kavlan-13": "2001:660:4406:48d:1::5",
+      "kavlan-14": "2001:660:4406:48e:1::5",
+      "kavlan-16": "2001:660:4406:490:1::5",
+      "kavlan-18": "2001:660:4406:492:1::5",
+      "kavlan-2": "2001:660:4406:482:1::5",
+      "kavlan-20": "2001:660:4406:494:1::5",
+      "kavlan-21": "2001:660:4406:495:1::5",
+      "kavlan-3": "2001:660:4406:483:1::5",
+      "kavlan-4": "2001:660:4406:484:1::5",
+      "kavlan-5": "2001:660:4406:485:1::5",
+      "kavlan-6": "2001:660:4406:486:1::5",
+      "kavlan-7": "2001:660:4406:487:1::5",
+      "kavlan-8": "2001:660:4406:488:1::5",
+      "kavlan-9": "2001:660:4406:489:1::5"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
diff --git a/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-6.json b/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-6.json
index 2fa91281625fa3dd3d3663696403960606d6c327..f3e2b237ce396073523d56ed1dbef10067334bca 100644
--- a/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-6.json
+++ b/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-6.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.13.65.6"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:481:1::6",
+      "kavlan-11": "2001:660:4406:48b:1::6",
+      "kavlan-12": "2001:660:4406:48c:1::6",
+      "kavlan-13": "2001:660:4406:48d:1::6",
+      "kavlan-14": "2001:660:4406:48e:1::6",
+      "kavlan-16": "2001:660:4406:490:1::6",
+      "kavlan-18": "2001:660:4406:492:1::6",
+      "kavlan-2": "2001:660:4406:482:1::6",
+      "kavlan-20": "2001:660:4406:494:1::6",
+      "kavlan-21": "2001:660:4406:495:1::6",
+      "kavlan-3": "2001:660:4406:483:1::6",
+      "kavlan-4": "2001:660:4406:484:1::6",
+      "kavlan-5": "2001:660:4406:485:1::6",
+      "kavlan-6": "2001:660:4406:486:1::6",
+      "kavlan-7": "2001:660:4406:487:1::6",
+      "kavlan-8": "2001:660:4406:488:1::6",
+      "kavlan-9": "2001:660:4406:489:1::6"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
diff --git a/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-7.json b/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-7.json
index 29307187d245a3f5a0ec35b45a3e39c623e0b296..48c5d096496b1ef0e6d8abe8c954efdb2e0dad3b 100644
--- a/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-7.json
+++ b/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-7.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.13.65.7"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:481:1::7",
+      "kavlan-11": "2001:660:4406:48b:1::7",
+      "kavlan-12": "2001:660:4406:48c:1::7",
+      "kavlan-13": "2001:660:4406:48d:1::7",
+      "kavlan-14": "2001:660:4406:48e:1::7",
+      "kavlan-16": "2001:660:4406:490:1::7",
+      "kavlan-18": "2001:660:4406:492:1::7",
+      "kavlan-2": "2001:660:4406:482:1::7",
+      "kavlan-20": "2001:660:4406:494:1::7",
+      "kavlan-21": "2001:660:4406:495:1::7",
+      "kavlan-3": "2001:660:4406:483:1::7",
+      "kavlan-4": "2001:660:4406:484:1::7",
+      "kavlan-5": "2001:660:4406:485:1::7",
+      "kavlan-6": "2001:660:4406:486:1::7",
+      "kavlan-7": "2001:660:4406:487:1::7",
+      "kavlan-8": "2001:660:4406:488:1::7",
+      "kavlan-9": "2001:660:4406:489:1::7"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
diff --git a/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-8.json b/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-8.json
index f47117a4a5115b78fb7907d00f500710b4e1380b..341bea98633b180b176b902a123f8eda0bbf8030 100644
--- a/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-8.json
+++ b/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-8.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.13.65.8"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:481:1::8",
+      "kavlan-11": "2001:660:4406:48b:1::8",
+      "kavlan-12": "2001:660:4406:48c:1::8",
+      "kavlan-13": "2001:660:4406:48d:1::8",
+      "kavlan-14": "2001:660:4406:48e:1::8",
+      "kavlan-16": "2001:660:4406:490:1::8",
+      "kavlan-18": "2001:660:4406:492:1::8",
+      "kavlan-2": "2001:660:4406:482:1::8",
+      "kavlan-20": "2001:660:4406:494:1::8",
+      "kavlan-21": "2001:660:4406:495:1::8",
+      "kavlan-3": "2001:660:4406:483:1::8",
+      "kavlan-4": "2001:660:4406:484:1::8",
+      "kavlan-5": "2001:660:4406:485:1::8",
+      "kavlan-6": "2001:660:4406:486:1::8",
+      "kavlan-7": "2001:660:4406:487:1::8",
+      "kavlan-8": "2001:660:4406:488:1::8",
+      "kavlan-9": "2001:660:4406:489:1::8"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
diff --git a/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-9.json b/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-9.json
index 6f4eecf467f06b28b2e2a5542d256d62d56bc0b2..5f93b8dca8d2e8460e4bce672d8544034c64e7d9 100644
--- a/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-9.json
+++ b/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-9.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.13.65.9"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:481:1::9",
+      "kavlan-11": "2001:660:4406:48b:1::9",
+      "kavlan-12": "2001:660:4406:48c:1::9",
+      "kavlan-13": "2001:660:4406:48d:1::9",
+      "kavlan-14": "2001:660:4406:48e:1::9",
+      "kavlan-16": "2001:660:4406:490:1::9",
+      "kavlan-18": "2001:660:4406:492:1::9",
+      "kavlan-2": "2001:660:4406:482:1::9",
+      "kavlan-20": "2001:660:4406:494:1::9",
+      "kavlan-21": "2001:660:4406:495:1::9",
+      "kavlan-3": "2001:660:4406:483:1::9",
+      "kavlan-4": "2001:660:4406:484:1::9",
+      "kavlan-5": "2001:660:4406:485:1::9",
+      "kavlan-6": "2001:660:4406:486:1::9",
+      "kavlan-7": "2001:660:4406:487:1::9",
+      "kavlan-8": "2001:660:4406:488:1::9",
+      "kavlan-9": "2001:660:4406:489:1::9"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
diff --git a/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-1.json b/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-1.json
index e73d8a8c90f88c0c8d2b8d6b82218d4db6800c61..917814d2c3630e1b4e791365533f95d110bb2b9f 100644
--- a/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-1.json
+++ b/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-1.json
@@ -76,6 +76,27 @@
       "kavlan-9": "10.17.76.1"
     }
   },
+  "kavlan6": {
+    "eth2": {
+      "kavlan-1": "2001:660:4406:581:1::1",
+      "kavlan-11": "2001:660:4406:58b:1::1",
+      "kavlan-12": "2001:660:4406:58c:1::1",
+      "kavlan-13": "2001:660:4406:58d:1::1",
+      "kavlan-14": "2001:660:4406:58e:1::1",
+      "kavlan-16": "2001:660:4406:590:1::1",
+      "kavlan-18": "2001:660:4406:592:1::1",
+      "kavlan-2": "2001:660:4406:582:1::1",
+      "kavlan-20": "2001:660:4406:594:1::1",
+      "kavlan-21": "2001:660:4406:595:1::1",
+      "kavlan-3": "2001:660:4406:583:1::1",
+      "kavlan-4": "2001:660:4406:584:1::1",
+      "kavlan-5": "2001:660:4406:585:1::1",
+      "kavlan-6": "2001:660:4406:586:1::1",
+      "kavlan-7": "2001:660:4406:587:1::1",
+      "kavlan-8": "2001:660:4406:588:1::1",
+      "kavlan-9": "2001:660:4406:589:1::1"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
diff --git a/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-10.json b/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-10.json
index 4945c111c7e1ad6b17cfd16777b41ecaaff66240..741adec6d09f310ccbfae9fe2e40b2cfcf69db80 100644
--- a/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-10.json
+++ b/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-10.json
@@ -76,6 +76,27 @@
       "kavlan-9": "10.17.76.10"
     }
   },
+  "kavlan6": {
+    "eth2": {
+      "kavlan-1": "2001:660:4406:581:1::a",
+      "kavlan-11": "2001:660:4406:58b:1::a",
+      "kavlan-12": "2001:660:4406:58c:1::a",
+      "kavlan-13": "2001:660:4406:58d:1::a",
+      "kavlan-14": "2001:660:4406:58e:1::a",
+      "kavlan-16": "2001:660:4406:590:1::a",
+      "kavlan-18": "2001:660:4406:592:1::a",
+      "kavlan-2": "2001:660:4406:582:1::a",
+      "kavlan-20": "2001:660:4406:594:1::a",
+      "kavlan-21": "2001:660:4406:595:1::a",
+      "kavlan-3": "2001:660:4406:583:1::a",
+      "kavlan-4": "2001:660:4406:584:1::a",
+      "kavlan-5": "2001:660:4406:585:1::a",
+      "kavlan-6": "2001:660:4406:586:1::a",
+      "kavlan-7": "2001:660:4406:587:1::a",
+      "kavlan-8": "2001:660:4406:588:1::a",
+      "kavlan-9": "2001:660:4406:589:1::a"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
diff --git a/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-11.json b/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-11.json
index 1ca25edd7ecdc11ac06f8d43053f2a3ff9025ea9..e0f1d90c1fb1faf7629af41c4ed96e3f790e3b64 100644
--- a/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-11.json
+++ b/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-11.json
@@ -76,6 +76,27 @@
       "kavlan-9": "10.17.76.11"
     }
   },
+  "kavlan6": {
+    "eth2": {
+      "kavlan-1": "2001:660:4406:581:1::b",
+      "kavlan-11": "2001:660:4406:58b:1::b",
+      "kavlan-12": "2001:660:4406:58c:1::b",
+      "kavlan-13": "2001:660:4406:58d:1::b",
+      "kavlan-14": "2001:660:4406:58e:1::b",
+      "kavlan-16": "2001:660:4406:590:1::b",
+      "kavlan-18": "2001:660:4406:592:1::b",
+      "kavlan-2": "2001:660:4406:582:1::b",
+      "kavlan-20": "2001:660:4406:594:1::b",
+      "kavlan-21": "2001:660:4406:595:1::b",
+      "kavlan-3": "2001:660:4406:583:1::b",
+      "kavlan-4": "2001:660:4406:584:1::b",
+      "kavlan-5": "2001:660:4406:585:1::b",
+      "kavlan-6": "2001:660:4406:586:1::b",
+      "kavlan-7": "2001:660:4406:587:1::b",
+      "kavlan-8": "2001:660:4406:588:1::b",
+      "kavlan-9": "2001:660:4406:589:1::b"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
diff --git a/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-12.json b/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-12.json
index 8c40c3bb0101fca30d35ca52c6b4a4f24c1a25b8..fa792a1d75bd2bfd3614a9d13752c2486df65ea7 100644
--- a/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-12.json
+++ b/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-12.json
@@ -76,6 +76,27 @@
       "kavlan-9": "10.17.76.12"
     }
   },
+  "kavlan6": {
+    "eth2": {
+      "kavlan-1": "2001:660:4406:581:1::c",
+      "kavlan-11": "2001:660:4406:58b:1::c",
+      "kavlan-12": "2001:660:4406:58c:1::c",
+      "kavlan-13": "2001:660:4406:58d:1::c",
+      "kavlan-14": "2001:660:4406:58e:1::c",
+      "kavlan-16": "2001:660:4406:590:1::c",
+      "kavlan-18": "2001:660:4406:592:1::c",
+      "kavlan-2": "2001:660:4406:582:1::c",
+      "kavlan-20": "2001:660:4406:594:1::c",
+      "kavlan-21": "2001:660:4406:595:1::c",
+      "kavlan-3": "2001:660:4406:583:1::c",
+      "kavlan-4": "2001:660:4406:584:1::c",
+      "kavlan-5": "2001:660:4406:585:1::c",
+      "kavlan-6": "2001:660:4406:586:1::c",
+      "kavlan-7": "2001:660:4406:587:1::c",
+      "kavlan-8": "2001:660:4406:588:1::c",
+      "kavlan-9": "2001:660:4406:589:1::c"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
diff --git a/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-13.json b/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-13.json
index 8296be2ec0507a339a8013a518c1ee9c5ec75878..19d316d93fe0f529eeed76b474726528498690ee 100644
--- a/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-13.json
+++ b/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-13.json
@@ -76,6 +76,27 @@
       "kavlan-9": "10.17.76.13"
     }
   },
+  "kavlan6": {
+    "eth2": {
+      "kavlan-1": "2001:660:4406:581:1::d",
+      "kavlan-11": "2001:660:4406:58b:1::d",
+      "kavlan-12": "2001:660:4406:58c:1::d",
+      "kavlan-13": "2001:660:4406:58d:1::d",
+      "kavlan-14": "2001:660:4406:58e:1::d",
+      "kavlan-16": "2001:660:4406:590:1::d",
+      "kavlan-18": "2001:660:4406:592:1::d",
+      "kavlan-2": "2001:660:4406:582:1::d",
+      "kavlan-20": "2001:660:4406:594:1::d",
+      "kavlan-21": "2001:660:4406:595:1::d",
+      "kavlan-3": "2001:660:4406:583:1::d",
+      "kavlan-4": "2001:660:4406:584:1::d",
+      "kavlan-5": "2001:660:4406:585:1::d",
+      "kavlan-6": "2001:660:4406:586:1::d",
+      "kavlan-7": "2001:660:4406:587:1::d",
+      "kavlan-8": "2001:660:4406:588:1::d",
+      "kavlan-9": "2001:660:4406:589:1::d"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
diff --git a/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-2.json b/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-2.json
index ba591ab3a07288ea198a489b9e98d5696490a5ee..4bf949542eb399b1cc07548e22220498d032fa1a 100644
--- a/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-2.json
+++ b/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-2.json
@@ -76,6 +76,27 @@
       "kavlan-9": "10.17.76.2"
     }
   },
+  "kavlan6": {
+    "eth2": {
+      "kavlan-1": "2001:660:4406:581:1::2",
+      "kavlan-11": "2001:660:4406:58b:1::2",
+      "kavlan-12": "2001:660:4406:58c:1::2",
+      "kavlan-13": "2001:660:4406:58d:1::2",
+      "kavlan-14": "2001:660:4406:58e:1::2",
+      "kavlan-16": "2001:660:4406:590:1::2",
+      "kavlan-18": "2001:660:4406:592:1::2",
+      "kavlan-2": "2001:660:4406:582:1::2",
+      "kavlan-20": "2001:660:4406:594:1::2",
+      "kavlan-21": "2001:660:4406:595:1::2",
+      "kavlan-3": "2001:660:4406:583:1::2",
+      "kavlan-4": "2001:660:4406:584:1::2",
+      "kavlan-5": "2001:660:4406:585:1::2",
+      "kavlan-6": "2001:660:4406:586:1::2",
+      "kavlan-7": "2001:660:4406:587:1::2",
+      "kavlan-8": "2001:660:4406:588:1::2",
+      "kavlan-9": "2001:660:4406:589:1::2"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
diff --git a/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-3.json b/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-3.json
index 4ec3cabc08b9009bb805259dc43971bc067255cf..cfc7b50e3b9de982d138309957b6d8d3dd5d3626 100644
--- a/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-3.json
+++ b/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-3.json
@@ -76,6 +76,27 @@
       "kavlan-9": "10.17.76.3"
     }
   },
+  "kavlan6": {
+    "eth2": {
+      "kavlan-1": "2001:660:4406:581:1::3",
+      "kavlan-11": "2001:660:4406:58b:1::3",
+      "kavlan-12": "2001:660:4406:58c:1::3",
+      "kavlan-13": "2001:660:4406:58d:1::3",
+      "kavlan-14": "2001:660:4406:58e:1::3",
+      "kavlan-16": "2001:660:4406:590:1::3",
+      "kavlan-18": "2001:660:4406:592:1::3",
+      "kavlan-2": "2001:660:4406:582:1::3",
+      "kavlan-20": "2001:660:4406:594:1::3",
+      "kavlan-21": "2001:660:4406:595:1::3",
+      "kavlan-3": "2001:660:4406:583:1::3",
+      "kavlan-4": "2001:660:4406:584:1::3",
+      "kavlan-5": "2001:660:4406:585:1::3",
+      "kavlan-6": "2001:660:4406:586:1::3",
+      "kavlan-7": "2001:660:4406:587:1::3",
+      "kavlan-8": "2001:660:4406:588:1::3",
+      "kavlan-9": "2001:660:4406:589:1::3"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
diff --git a/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-4.json b/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-4.json
index a7ee070669bc72c49435e78b5b4e4805aae5d04b..2279a2b717cb0673d2524daa535143d9333c4438 100644
--- a/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-4.json
+++ b/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-4.json
@@ -76,6 +76,27 @@
       "kavlan-9": "10.17.76.4"
     }
   },
+  "kavlan6": {
+    "eth2": {
+      "kavlan-1": "2001:660:4406:581:1::4",
+      "kavlan-11": "2001:660:4406:58b:1::4",
+      "kavlan-12": "2001:660:4406:58c:1::4",
+      "kavlan-13": "2001:660:4406:58d:1::4",
+      "kavlan-14": "2001:660:4406:58e:1::4",
+      "kavlan-16": "2001:660:4406:590:1::4",
+      "kavlan-18": "2001:660:4406:592:1::4",
+      "kavlan-2": "2001:660:4406:582:1::4",
+      "kavlan-20": "2001:660:4406:594:1::4",
+      "kavlan-21": "2001:660:4406:595:1::4",
+      "kavlan-3": "2001:660:4406:583:1::4",
+      "kavlan-4": "2001:660:4406:584:1::4",
+      "kavlan-5": "2001:660:4406:585:1::4",
+      "kavlan-6": "2001:660:4406:586:1::4",
+      "kavlan-7": "2001:660:4406:587:1::4",
+      "kavlan-8": "2001:660:4406:588:1::4",
+      "kavlan-9": "2001:660:4406:589:1::4"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
diff --git a/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-5.json b/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-5.json
index 37a2856644e81b0ff630f504ae4297e3dfb11b5c..6803e0a24c26e17a796c92e275d53de8cec02947 100644
--- a/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-5.json
+++ b/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-5.json
@@ -76,6 +76,27 @@
       "kavlan-9": "10.17.76.5"
     }
   },
+  "kavlan6": {
+    "eth2": {
+      "kavlan-1": "2001:660:4406:581:1::5",
+      "kavlan-11": "2001:660:4406:58b:1::5",
+      "kavlan-12": "2001:660:4406:58c:1::5",
+      "kavlan-13": "2001:660:4406:58d:1::5",
+      "kavlan-14": "2001:660:4406:58e:1::5",
+      "kavlan-16": "2001:660:4406:590:1::5",
+      "kavlan-18": "2001:660:4406:592:1::5",
+      "kavlan-2": "2001:660:4406:582:1::5",
+      "kavlan-20": "2001:660:4406:594:1::5",
+      "kavlan-21": "2001:660:4406:595:1::5",
+      "kavlan-3": "2001:660:4406:583:1::5",
+      "kavlan-4": "2001:660:4406:584:1::5",
+      "kavlan-5": "2001:660:4406:585:1::5",
+      "kavlan-6": "2001:660:4406:586:1::5",
+      "kavlan-7": "2001:660:4406:587:1::5",
+      "kavlan-8": "2001:660:4406:588:1::5",
+      "kavlan-9": "2001:660:4406:589:1::5"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
diff --git a/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-6.json b/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-6.json
index 9d6530c14613092bf623b46b08c4ed0c8960035f..29c0f037da1a0cfbd6c9244f3832a1b3d7ae5657 100644
--- a/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-6.json
+++ b/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-6.json
@@ -76,6 +76,27 @@
       "kavlan-9": "10.17.76.6"
     }
   },
+  "kavlan6": {
+    "eth2": {
+      "kavlan-1": "2001:660:4406:581:1::6",
+      "kavlan-11": "2001:660:4406:58b:1::6",
+      "kavlan-12": "2001:660:4406:58c:1::6",
+      "kavlan-13": "2001:660:4406:58d:1::6",
+      "kavlan-14": "2001:660:4406:58e:1::6",
+      "kavlan-16": "2001:660:4406:590:1::6",
+      "kavlan-18": "2001:660:4406:592:1::6",
+      "kavlan-2": "2001:660:4406:582:1::6",
+      "kavlan-20": "2001:660:4406:594:1::6",
+      "kavlan-21": "2001:660:4406:595:1::6",
+      "kavlan-3": "2001:660:4406:583:1::6",
+      "kavlan-4": "2001:660:4406:584:1::6",
+      "kavlan-5": "2001:660:4406:585:1::6",
+      "kavlan-6": "2001:660:4406:586:1::6",
+      "kavlan-7": "2001:660:4406:587:1::6",
+      "kavlan-8": "2001:660:4406:588:1::6",
+      "kavlan-9": "2001:660:4406:589:1::6"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
diff --git a/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-7.json b/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-7.json
index 78f1c950b97c096beaa7a38ac5deffc8ca5816b4..3399fc538ab2c24c4c003ca724c2362318375085 100644
--- a/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-7.json
+++ b/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-7.json
@@ -76,6 +76,27 @@
       "kavlan-9": "10.17.76.7"
     }
   },
+  "kavlan6": {
+    "eth2": {
+      "kavlan-1": "2001:660:4406:581:1::7",
+      "kavlan-11": "2001:660:4406:58b:1::7",
+      "kavlan-12": "2001:660:4406:58c:1::7",
+      "kavlan-13": "2001:660:4406:58d:1::7",
+      "kavlan-14": "2001:660:4406:58e:1::7",
+      "kavlan-16": "2001:660:4406:590:1::7",
+      "kavlan-18": "2001:660:4406:592:1::7",
+      "kavlan-2": "2001:660:4406:582:1::7",
+      "kavlan-20": "2001:660:4406:594:1::7",
+      "kavlan-21": "2001:660:4406:595:1::7",
+      "kavlan-3": "2001:660:4406:583:1::7",
+      "kavlan-4": "2001:660:4406:584:1::7",
+      "kavlan-5": "2001:660:4406:585:1::7",
+      "kavlan-6": "2001:660:4406:586:1::7",
+      "kavlan-7": "2001:660:4406:587:1::7",
+      "kavlan-8": "2001:660:4406:588:1::7",
+      "kavlan-9": "2001:660:4406:589:1::7"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
diff --git a/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-8.json b/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-8.json
index f6e33078fdc2816295bef4d376dfbf7a89a0e906..dc53c571c05431e35d26fffc2ed9100f26734621 100644
--- a/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-8.json
+++ b/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-8.json
@@ -76,6 +76,27 @@
       "kavlan-9": "10.17.76.8"
     }
   },
+  "kavlan6": {
+    "eth2": {
+      "kavlan-1": "2001:660:4406:581:1::8",
+      "kavlan-11": "2001:660:4406:58b:1::8",
+      "kavlan-12": "2001:660:4406:58c:1::8",
+      "kavlan-13": "2001:660:4406:58d:1::8",
+      "kavlan-14": "2001:660:4406:58e:1::8",
+      "kavlan-16": "2001:660:4406:590:1::8",
+      "kavlan-18": "2001:660:4406:592:1::8",
+      "kavlan-2": "2001:660:4406:582:1::8",
+      "kavlan-20": "2001:660:4406:594:1::8",
+      "kavlan-21": "2001:660:4406:595:1::8",
+      "kavlan-3": "2001:660:4406:583:1::8",
+      "kavlan-4": "2001:660:4406:584:1::8",
+      "kavlan-5": "2001:660:4406:585:1::8",
+      "kavlan-6": "2001:660:4406:586:1::8",
+      "kavlan-7": "2001:660:4406:587:1::8",
+      "kavlan-8": "2001:660:4406:588:1::8",
+      "kavlan-9": "2001:660:4406:589:1::8"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
diff --git a/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-9.json b/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-9.json
index 3ed91e1b9d907ac1e32d6dd297eda4d5ebd2bfcc..fcbf99a346d49de6f463a623294d33944f579a9a 100644
--- a/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-9.json
+++ b/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-9.json
@@ -76,6 +76,27 @@
       "kavlan-9": "10.17.76.9"
     }
   },
+  "kavlan6": {
+    "eth2": {
+      "kavlan-1": "2001:660:4406:581:1::9",
+      "kavlan-11": "2001:660:4406:58b:1::9",
+      "kavlan-12": "2001:660:4406:58c:1::9",
+      "kavlan-13": "2001:660:4406:58d:1::9",
+      "kavlan-14": "2001:660:4406:58e:1::9",
+      "kavlan-16": "2001:660:4406:590:1::9",
+      "kavlan-18": "2001:660:4406:592:1::9",
+      "kavlan-2": "2001:660:4406:582:1::9",
+      "kavlan-20": "2001:660:4406:594:1::9",
+      "kavlan-21": "2001:660:4406:595:1::9",
+      "kavlan-3": "2001:660:4406:583:1::9",
+      "kavlan-4": "2001:660:4406:584:1::9",
+      "kavlan-5": "2001:660:4406:585:1::9",
+      "kavlan-6": "2001:660:4406:586:1::9",
+      "kavlan-7": "2001:660:4406:587:1::9",
+      "kavlan-8": "2001:660:4406:588:1::9",
+      "kavlan-9": "2001:660:4406:589:1::9"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
diff --git a/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-1.json b/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-1.json
index dc370f9d8140a8147bf95c93cf5e842d25f39b3e..4027588795d8fd50cfb55ade585db2267039c004 100644
--- a/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-1.json
+++ b/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-1.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.70.1"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:7::1",
+      "kavlan-11": "2001:660:4406:58b:7::1",
+      "kavlan-12": "2001:660:4406:58c:7::1",
+      "kavlan-13": "2001:660:4406:58d:7::1",
+      "kavlan-14": "2001:660:4406:58e:7::1",
+      "kavlan-16": "2001:660:4406:590:7::1",
+      "kavlan-18": "2001:660:4406:592:7::1",
+      "kavlan-2": "2001:660:4406:582:7::1",
+      "kavlan-20": "2001:660:4406:594:7::1",
+      "kavlan-21": "2001:660:4406:595:7::1",
+      "kavlan-3": "2001:660:4406:583:7::1",
+      "kavlan-4": "2001:660:4406:584:7::1",
+      "kavlan-5": "2001:660:4406:585:7::1",
+      "kavlan-6": "2001:660:4406:586:7::1",
+      "kavlan-7": "2001:660:4406:587:7::1",
+      "kavlan-8": "2001:660:4406:588:7::1",
+      "kavlan-9": "2001:660:4406:589:7::1"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
diff --git a/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-10.json b/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-10.json
index 6606705c030caae15bd698c3c10e182d4810aaef..0efab05b46eb148c83a0f18908aa4b95d73b1d7c 100644
--- a/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-10.json
+++ b/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-10.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.70.10"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:7::a",
+      "kavlan-11": "2001:660:4406:58b:7::a",
+      "kavlan-12": "2001:660:4406:58c:7::a",
+      "kavlan-13": "2001:660:4406:58d:7::a",
+      "kavlan-14": "2001:660:4406:58e:7::a",
+      "kavlan-16": "2001:660:4406:590:7::a",
+      "kavlan-18": "2001:660:4406:592:7::a",
+      "kavlan-2": "2001:660:4406:582:7::a",
+      "kavlan-20": "2001:660:4406:594:7::a",
+      "kavlan-21": "2001:660:4406:595:7::a",
+      "kavlan-3": "2001:660:4406:583:7::a",
+      "kavlan-4": "2001:660:4406:584:7::a",
+      "kavlan-5": "2001:660:4406:585:7::a",
+      "kavlan-6": "2001:660:4406:586:7::a",
+      "kavlan-7": "2001:660:4406:587:7::a",
+      "kavlan-8": "2001:660:4406:588:7::a",
+      "kavlan-9": "2001:660:4406:589:7::a"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
diff --git a/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-11.json b/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-11.json
index fc07098ff58ad9cdebffed78f79d22b1a0743b19..021b6cfa28a16c8b31226d1fa10776874cb66f9c 100644
--- a/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-11.json
+++ b/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-11.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.70.11"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:7::b",
+      "kavlan-11": "2001:660:4406:58b:7::b",
+      "kavlan-12": "2001:660:4406:58c:7::b",
+      "kavlan-13": "2001:660:4406:58d:7::b",
+      "kavlan-14": "2001:660:4406:58e:7::b",
+      "kavlan-16": "2001:660:4406:590:7::b",
+      "kavlan-18": "2001:660:4406:592:7::b",
+      "kavlan-2": "2001:660:4406:582:7::b",
+      "kavlan-20": "2001:660:4406:594:7::b",
+      "kavlan-21": "2001:660:4406:595:7::b",
+      "kavlan-3": "2001:660:4406:583:7::b",
+      "kavlan-4": "2001:660:4406:584:7::b",
+      "kavlan-5": "2001:660:4406:585:7::b",
+      "kavlan-6": "2001:660:4406:586:7::b",
+      "kavlan-7": "2001:660:4406:587:7::b",
+      "kavlan-8": "2001:660:4406:588:7::b",
+      "kavlan-9": "2001:660:4406:589:7::b"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
diff --git a/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-12.json b/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-12.json
index 1468edc3d5361e9a4c54fb257a47fab00cfcd183..52f1c5783348d53456e33d028f552780e341ce9c 100644
--- a/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-12.json
+++ b/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-12.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.70.12"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:7::c",
+      "kavlan-11": "2001:660:4406:58b:7::c",
+      "kavlan-12": "2001:660:4406:58c:7::c",
+      "kavlan-13": "2001:660:4406:58d:7::c",
+      "kavlan-14": "2001:660:4406:58e:7::c",
+      "kavlan-16": "2001:660:4406:590:7::c",
+      "kavlan-18": "2001:660:4406:592:7::c",
+      "kavlan-2": "2001:660:4406:582:7::c",
+      "kavlan-20": "2001:660:4406:594:7::c",
+      "kavlan-21": "2001:660:4406:595:7::c",
+      "kavlan-3": "2001:660:4406:583:7::c",
+      "kavlan-4": "2001:660:4406:584:7::c",
+      "kavlan-5": "2001:660:4406:585:7::c",
+      "kavlan-6": "2001:660:4406:586:7::c",
+      "kavlan-7": "2001:660:4406:587:7::c",
+      "kavlan-8": "2001:660:4406:588:7::c",
+      "kavlan-9": "2001:660:4406:589:7::c"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
diff --git a/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-13.json b/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-13.json
index 0b936493eeac875e57d9667fa57674cf2adccf15..ade858d02ca42c8effda6fa262f8e44b8137e947 100644
--- a/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-13.json
+++ b/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-13.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.70.13"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:7::d",
+      "kavlan-11": "2001:660:4406:58b:7::d",
+      "kavlan-12": "2001:660:4406:58c:7::d",
+      "kavlan-13": "2001:660:4406:58d:7::d",
+      "kavlan-14": "2001:660:4406:58e:7::d",
+      "kavlan-16": "2001:660:4406:590:7::d",
+      "kavlan-18": "2001:660:4406:592:7::d",
+      "kavlan-2": "2001:660:4406:582:7::d",
+      "kavlan-20": "2001:660:4406:594:7::d",
+      "kavlan-21": "2001:660:4406:595:7::d",
+      "kavlan-3": "2001:660:4406:583:7::d",
+      "kavlan-4": "2001:660:4406:584:7::d",
+      "kavlan-5": "2001:660:4406:585:7::d",
+      "kavlan-6": "2001:660:4406:586:7::d",
+      "kavlan-7": "2001:660:4406:587:7::d",
+      "kavlan-8": "2001:660:4406:588:7::d",
+      "kavlan-9": "2001:660:4406:589:7::d"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
diff --git a/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-14.json b/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-14.json
index ea8643317bb8fe776e92c17161a9293708c8574b..e0555e76edc6bb2c1001f770705c12d41c271d50 100644
--- a/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-14.json
+++ b/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-14.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.70.14"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:7::e",
+      "kavlan-11": "2001:660:4406:58b:7::e",
+      "kavlan-12": "2001:660:4406:58c:7::e",
+      "kavlan-13": "2001:660:4406:58d:7::e",
+      "kavlan-14": "2001:660:4406:58e:7::e",
+      "kavlan-16": "2001:660:4406:590:7::e",
+      "kavlan-18": "2001:660:4406:592:7::e",
+      "kavlan-2": "2001:660:4406:582:7::e",
+      "kavlan-20": "2001:660:4406:594:7::e",
+      "kavlan-21": "2001:660:4406:595:7::e",
+      "kavlan-3": "2001:660:4406:583:7::e",
+      "kavlan-4": "2001:660:4406:584:7::e",
+      "kavlan-5": "2001:660:4406:585:7::e",
+      "kavlan-6": "2001:660:4406:586:7::e",
+      "kavlan-7": "2001:660:4406:587:7::e",
+      "kavlan-8": "2001:660:4406:588:7::e",
+      "kavlan-9": "2001:660:4406:589:7::e"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
diff --git a/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-15.json b/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-15.json
index 689b4ca1cab2bff71a1902ab672042eea14c4efc..fb795eddbbc2604238659bb9d085ba8dee897fe8 100644
--- a/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-15.json
+++ b/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-15.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.70.15"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:7::f",
+      "kavlan-11": "2001:660:4406:58b:7::f",
+      "kavlan-12": "2001:660:4406:58c:7::f",
+      "kavlan-13": "2001:660:4406:58d:7::f",
+      "kavlan-14": "2001:660:4406:58e:7::f",
+      "kavlan-16": "2001:660:4406:590:7::f",
+      "kavlan-18": "2001:660:4406:592:7::f",
+      "kavlan-2": "2001:660:4406:582:7::f",
+      "kavlan-20": "2001:660:4406:594:7::f",
+      "kavlan-21": "2001:660:4406:595:7::f",
+      "kavlan-3": "2001:660:4406:583:7::f",
+      "kavlan-4": "2001:660:4406:584:7::f",
+      "kavlan-5": "2001:660:4406:585:7::f",
+      "kavlan-6": "2001:660:4406:586:7::f",
+      "kavlan-7": "2001:660:4406:587:7::f",
+      "kavlan-8": "2001:660:4406:588:7::f",
+      "kavlan-9": "2001:660:4406:589:7::f"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
diff --git a/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-16.json b/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-16.json
index 9440775bdf773fe3babb1c8167189d50c80dc46c..078fbad419a990d575b462dbc04465e34d6e28b1 100644
--- a/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-16.json
+++ b/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-16.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.70.16"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:7::10",
+      "kavlan-11": "2001:660:4406:58b:7::10",
+      "kavlan-12": "2001:660:4406:58c:7::10",
+      "kavlan-13": "2001:660:4406:58d:7::10",
+      "kavlan-14": "2001:660:4406:58e:7::10",
+      "kavlan-16": "2001:660:4406:590:7::10",
+      "kavlan-18": "2001:660:4406:592:7::10",
+      "kavlan-2": "2001:660:4406:582:7::10",
+      "kavlan-20": "2001:660:4406:594:7::10",
+      "kavlan-21": "2001:660:4406:595:7::10",
+      "kavlan-3": "2001:660:4406:583:7::10",
+      "kavlan-4": "2001:660:4406:584:7::10",
+      "kavlan-5": "2001:660:4406:585:7::10",
+      "kavlan-6": "2001:660:4406:586:7::10",
+      "kavlan-7": "2001:660:4406:587:7::10",
+      "kavlan-8": "2001:660:4406:588:7::10",
+      "kavlan-9": "2001:660:4406:589:7::10"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
diff --git a/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-2.json b/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-2.json
index 444040edf352ca30112087bad7462e39bfa6ec45..14715a5143c1b1dfcff2a8d53f629d35f64356b5 100644
--- a/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-2.json
+++ b/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-2.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.70.2"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:7::2",
+      "kavlan-11": "2001:660:4406:58b:7::2",
+      "kavlan-12": "2001:660:4406:58c:7::2",
+      "kavlan-13": "2001:660:4406:58d:7::2",
+      "kavlan-14": "2001:660:4406:58e:7::2",
+      "kavlan-16": "2001:660:4406:590:7::2",
+      "kavlan-18": "2001:660:4406:592:7::2",
+      "kavlan-2": "2001:660:4406:582:7::2",
+      "kavlan-20": "2001:660:4406:594:7::2",
+      "kavlan-21": "2001:660:4406:595:7::2",
+      "kavlan-3": "2001:660:4406:583:7::2",
+      "kavlan-4": "2001:660:4406:584:7::2",
+      "kavlan-5": "2001:660:4406:585:7::2",
+      "kavlan-6": "2001:660:4406:586:7::2",
+      "kavlan-7": "2001:660:4406:587:7::2",
+      "kavlan-8": "2001:660:4406:588:7::2",
+      "kavlan-9": "2001:660:4406:589:7::2"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
diff --git a/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-3.json b/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-3.json
index 2c088207427dc30f9f2b55d7ed3918eb75a9b76c..a25c99d9c46db5c0a66dd68269ddab9bc03d4c6c 100644
--- a/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-3.json
+++ b/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-3.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.70.3"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:7::3",
+      "kavlan-11": "2001:660:4406:58b:7::3",
+      "kavlan-12": "2001:660:4406:58c:7::3",
+      "kavlan-13": "2001:660:4406:58d:7::3",
+      "kavlan-14": "2001:660:4406:58e:7::3",
+      "kavlan-16": "2001:660:4406:590:7::3",
+      "kavlan-18": "2001:660:4406:592:7::3",
+      "kavlan-2": "2001:660:4406:582:7::3",
+      "kavlan-20": "2001:660:4406:594:7::3",
+      "kavlan-21": "2001:660:4406:595:7::3",
+      "kavlan-3": "2001:660:4406:583:7::3",
+      "kavlan-4": "2001:660:4406:584:7::3",
+      "kavlan-5": "2001:660:4406:585:7::3",
+      "kavlan-6": "2001:660:4406:586:7::3",
+      "kavlan-7": "2001:660:4406:587:7::3",
+      "kavlan-8": "2001:660:4406:588:7::3",
+      "kavlan-9": "2001:660:4406:589:7::3"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
diff --git a/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-4.json b/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-4.json
index 93130070eee20fb180ef030084e2889a983be7d7..b3ae9e11ac2e6770ddcde9b8558ebd97ac1ff958 100644
--- a/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-4.json
+++ b/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-4.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.70.4"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:7::4",
+      "kavlan-11": "2001:660:4406:58b:7::4",
+      "kavlan-12": "2001:660:4406:58c:7::4",
+      "kavlan-13": "2001:660:4406:58d:7::4",
+      "kavlan-14": "2001:660:4406:58e:7::4",
+      "kavlan-16": "2001:660:4406:590:7::4",
+      "kavlan-18": "2001:660:4406:592:7::4",
+      "kavlan-2": "2001:660:4406:582:7::4",
+      "kavlan-20": "2001:660:4406:594:7::4",
+      "kavlan-21": "2001:660:4406:595:7::4",
+      "kavlan-3": "2001:660:4406:583:7::4",
+      "kavlan-4": "2001:660:4406:584:7::4",
+      "kavlan-5": "2001:660:4406:585:7::4",
+      "kavlan-6": "2001:660:4406:586:7::4",
+      "kavlan-7": "2001:660:4406:587:7::4",
+      "kavlan-8": "2001:660:4406:588:7::4",
+      "kavlan-9": "2001:660:4406:589:7::4"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
diff --git a/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-5.json b/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-5.json
index 11f6bd4bcccc2ca593325031c41ee57ff8909435..97dcf2cc8dc60c5024fee508dee1311d3c8f9d29 100644
--- a/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-5.json
+++ b/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-5.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.70.5"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:7::5",
+      "kavlan-11": "2001:660:4406:58b:7::5",
+      "kavlan-12": "2001:660:4406:58c:7::5",
+      "kavlan-13": "2001:660:4406:58d:7::5",
+      "kavlan-14": "2001:660:4406:58e:7::5",
+      "kavlan-16": "2001:660:4406:590:7::5",
+      "kavlan-18": "2001:660:4406:592:7::5",
+      "kavlan-2": "2001:660:4406:582:7::5",
+      "kavlan-20": "2001:660:4406:594:7::5",
+      "kavlan-21": "2001:660:4406:595:7::5",
+      "kavlan-3": "2001:660:4406:583:7::5",
+      "kavlan-4": "2001:660:4406:584:7::5",
+      "kavlan-5": "2001:660:4406:585:7::5",
+      "kavlan-6": "2001:660:4406:586:7::5",
+      "kavlan-7": "2001:660:4406:587:7::5",
+      "kavlan-8": "2001:660:4406:588:7::5",
+      "kavlan-9": "2001:660:4406:589:7::5"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
diff --git a/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-6.json b/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-6.json
index 4bec33340c7e31e7034569faf3aabe4448e4e798..6e530a4f055b10d11a53ad5aaf3f94f4255549f8 100644
--- a/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-6.json
+++ b/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-6.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.70.6"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:7::6",
+      "kavlan-11": "2001:660:4406:58b:7::6",
+      "kavlan-12": "2001:660:4406:58c:7::6",
+      "kavlan-13": "2001:660:4406:58d:7::6",
+      "kavlan-14": "2001:660:4406:58e:7::6",
+      "kavlan-16": "2001:660:4406:590:7::6",
+      "kavlan-18": "2001:660:4406:592:7::6",
+      "kavlan-2": "2001:660:4406:582:7::6",
+      "kavlan-20": "2001:660:4406:594:7::6",
+      "kavlan-21": "2001:660:4406:595:7::6",
+      "kavlan-3": "2001:660:4406:583:7::6",
+      "kavlan-4": "2001:660:4406:584:7::6",
+      "kavlan-5": "2001:660:4406:585:7::6",
+      "kavlan-6": "2001:660:4406:586:7::6",
+      "kavlan-7": "2001:660:4406:587:7::6",
+      "kavlan-8": "2001:660:4406:588:7::6",
+      "kavlan-9": "2001:660:4406:589:7::6"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
diff --git a/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-7.json b/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-7.json
index bce32f10db1c2f28d4c00c524aa9cfbf8e14cb24..49c2b86013dc5c9c1af43a5b8692531642cb8baf 100644
--- a/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-7.json
+++ b/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-7.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.70.7"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:7::7",
+      "kavlan-11": "2001:660:4406:58b:7::7",
+      "kavlan-12": "2001:660:4406:58c:7::7",
+      "kavlan-13": "2001:660:4406:58d:7::7",
+      "kavlan-14": "2001:660:4406:58e:7::7",
+      "kavlan-16": "2001:660:4406:590:7::7",
+      "kavlan-18": "2001:660:4406:592:7::7",
+      "kavlan-2": "2001:660:4406:582:7::7",
+      "kavlan-20": "2001:660:4406:594:7::7",
+      "kavlan-21": "2001:660:4406:595:7::7",
+      "kavlan-3": "2001:660:4406:583:7::7",
+      "kavlan-4": "2001:660:4406:584:7::7",
+      "kavlan-5": "2001:660:4406:585:7::7",
+      "kavlan-6": "2001:660:4406:586:7::7",
+      "kavlan-7": "2001:660:4406:587:7::7",
+      "kavlan-8": "2001:660:4406:588:7::7",
+      "kavlan-9": "2001:660:4406:589:7::7"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
diff --git a/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-8.json b/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-8.json
index abd6c0286783f84c5169df71ff538edfcc3f221a..2be854156bc3f3187efd4b041fbc2cb5100d9202 100644
--- a/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-8.json
+++ b/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-8.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.70.8"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:7::8",
+      "kavlan-11": "2001:660:4406:58b:7::8",
+      "kavlan-12": "2001:660:4406:58c:7::8",
+      "kavlan-13": "2001:660:4406:58d:7::8",
+      "kavlan-14": "2001:660:4406:58e:7::8",
+      "kavlan-16": "2001:660:4406:590:7::8",
+      "kavlan-18": "2001:660:4406:592:7::8",
+      "kavlan-2": "2001:660:4406:582:7::8",
+      "kavlan-20": "2001:660:4406:594:7::8",
+      "kavlan-21": "2001:660:4406:595:7::8",
+      "kavlan-3": "2001:660:4406:583:7::8",
+      "kavlan-4": "2001:660:4406:584:7::8",
+      "kavlan-5": "2001:660:4406:585:7::8",
+      "kavlan-6": "2001:660:4406:586:7::8",
+      "kavlan-7": "2001:660:4406:587:7::8",
+      "kavlan-8": "2001:660:4406:588:7::8",
+      "kavlan-9": "2001:660:4406:589:7::8"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
diff --git a/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-9.json b/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-9.json
index 165aaca210238af0441f389f41e910efa2917563..2e37709deeda568e0858d4a286258bea2dc5c58c 100644
--- a/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-9.json
+++ b/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-9.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.70.9"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:7::9",
+      "kavlan-11": "2001:660:4406:58b:7::9",
+      "kavlan-12": "2001:660:4406:58c:7::9",
+      "kavlan-13": "2001:660:4406:58d:7::9",
+      "kavlan-14": "2001:660:4406:58e:7::9",
+      "kavlan-16": "2001:660:4406:590:7::9",
+      "kavlan-18": "2001:660:4406:592:7::9",
+      "kavlan-2": "2001:660:4406:582:7::9",
+      "kavlan-20": "2001:660:4406:594:7::9",
+      "kavlan-21": "2001:660:4406:595:7::9",
+      "kavlan-3": "2001:660:4406:583:7::9",
+      "kavlan-4": "2001:660:4406:584:7::9",
+      "kavlan-5": "2001:660:4406:585:7::9",
+      "kavlan-6": "2001:660:4406:586:7::9",
+      "kavlan-7": "2001:660:4406:587:7::9",
+      "kavlan-8": "2001:660:4406:588:7::9",
+      "kavlan-9": "2001:660:4406:589:7::9"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
diff --git a/data/grid5000/sites/nancy/clusters/graphique/nodes/graphique-1.json b/data/grid5000/sites/nancy/clusters/graphique/nodes/graphique-1.json
index c3ab9d37958abab4ca20f42ffc79d6e531b099d7..bb4ffb66e61fd73ec6fa878f9c0c9f18d377794e 100644
--- a/data/grid5000/sites/nancy/clusters/graphique/nodes/graphique-1.json
+++ b/data/grid5000/sites/nancy/clusters/graphique/nodes/graphique-1.json
@@ -58,6 +58,27 @@
       "kavlan-9": "10.17.69.1"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:4::1",
+      "kavlan-11": "2001:660:4406:58b:4::1",
+      "kavlan-12": "2001:660:4406:58c:4::1",
+      "kavlan-13": "2001:660:4406:58d:4::1",
+      "kavlan-14": "2001:660:4406:58e:4::1",
+      "kavlan-16": "2001:660:4406:590:4::1",
+      "kavlan-18": "2001:660:4406:592:4::1",
+      "kavlan-2": "2001:660:4406:582:4::1",
+      "kavlan-20": "2001:660:4406:594:4::1",
+      "kavlan-21": "2001:660:4406:595:4::1",
+      "kavlan-3": "2001:660:4406:583:4::1",
+      "kavlan-4": "2001:660:4406:584:4::1",
+      "kavlan-5": "2001:660:4406:585:4::1",
+      "kavlan-6": "2001:660:4406:586:4::1",
+      "kavlan-7": "2001:660:4406:587:4::1",
+      "kavlan-8": "2001:660:4406:588:4::1",
+      "kavlan-9": "2001:660:4406:589:4::1"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nancy/clusters/graphique/nodes/graphique-2.json b/data/grid5000/sites/nancy/clusters/graphique/nodes/graphique-2.json
index b5d013c07f1d199e6e52571570326eb68452ddcf..e587c35576510d1327065104efa414aff4e7ab85 100644
--- a/data/grid5000/sites/nancy/clusters/graphique/nodes/graphique-2.json
+++ b/data/grid5000/sites/nancy/clusters/graphique/nodes/graphique-2.json
@@ -58,6 +58,27 @@
       "kavlan-9": "10.17.69.2"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:4::2",
+      "kavlan-11": "2001:660:4406:58b:4::2",
+      "kavlan-12": "2001:660:4406:58c:4::2",
+      "kavlan-13": "2001:660:4406:58d:4::2",
+      "kavlan-14": "2001:660:4406:58e:4::2",
+      "kavlan-16": "2001:660:4406:590:4::2",
+      "kavlan-18": "2001:660:4406:592:4::2",
+      "kavlan-2": "2001:660:4406:582:4::2",
+      "kavlan-20": "2001:660:4406:594:4::2",
+      "kavlan-21": "2001:660:4406:595:4::2",
+      "kavlan-3": "2001:660:4406:583:4::2",
+      "kavlan-4": "2001:660:4406:584:4::2",
+      "kavlan-5": "2001:660:4406:585:4::2",
+      "kavlan-6": "2001:660:4406:586:4::2",
+      "kavlan-7": "2001:660:4406:587:4::2",
+      "kavlan-8": "2001:660:4406:588:4::2",
+      "kavlan-9": "2001:660:4406:589:4::2"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nancy/clusters/graphique/nodes/graphique-3.json b/data/grid5000/sites/nancy/clusters/graphique/nodes/graphique-3.json
index 3cfc91309dd43da5d6767c49147584039c6b2e18..bc9066e12e54f283507144552a865d70efd6d823 100644
--- a/data/grid5000/sites/nancy/clusters/graphique/nodes/graphique-3.json
+++ b/data/grid5000/sites/nancy/clusters/graphique/nodes/graphique-3.json
@@ -58,6 +58,27 @@
       "kavlan-9": "10.17.69.3"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:4::3",
+      "kavlan-11": "2001:660:4406:58b:4::3",
+      "kavlan-12": "2001:660:4406:58c:4::3",
+      "kavlan-13": "2001:660:4406:58d:4::3",
+      "kavlan-14": "2001:660:4406:58e:4::3",
+      "kavlan-16": "2001:660:4406:590:4::3",
+      "kavlan-18": "2001:660:4406:592:4::3",
+      "kavlan-2": "2001:660:4406:582:4::3",
+      "kavlan-20": "2001:660:4406:594:4::3",
+      "kavlan-21": "2001:660:4406:595:4::3",
+      "kavlan-3": "2001:660:4406:583:4::3",
+      "kavlan-4": "2001:660:4406:584:4::3",
+      "kavlan-5": "2001:660:4406:585:4::3",
+      "kavlan-6": "2001:660:4406:586:4::3",
+      "kavlan-7": "2001:660:4406:587:4::3",
+      "kavlan-8": "2001:660:4406:588:4::3",
+      "kavlan-9": "2001:660:4406:589:4::3"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nancy/clusters/graphique/nodes/graphique-4.json b/data/grid5000/sites/nancy/clusters/graphique/nodes/graphique-4.json
index 4aa1be64137f6748b29b26833ff75c697730278e..6d9a2d4a788c2447293d8505cc12353f34649be5 100644
--- a/data/grid5000/sites/nancy/clusters/graphique/nodes/graphique-4.json
+++ b/data/grid5000/sites/nancy/clusters/graphique/nodes/graphique-4.json
@@ -58,6 +58,27 @@
       "kavlan-9": "10.17.69.4"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:4::4",
+      "kavlan-11": "2001:660:4406:58b:4::4",
+      "kavlan-12": "2001:660:4406:58c:4::4",
+      "kavlan-13": "2001:660:4406:58d:4::4",
+      "kavlan-14": "2001:660:4406:58e:4::4",
+      "kavlan-16": "2001:660:4406:590:4::4",
+      "kavlan-18": "2001:660:4406:592:4::4",
+      "kavlan-2": "2001:660:4406:582:4::4",
+      "kavlan-20": "2001:660:4406:594:4::4",
+      "kavlan-21": "2001:660:4406:595:4::4",
+      "kavlan-3": "2001:660:4406:583:4::4",
+      "kavlan-4": "2001:660:4406:584:4::4",
+      "kavlan-5": "2001:660:4406:585:4::4",
+      "kavlan-6": "2001:660:4406:586:4::4",
+      "kavlan-7": "2001:660:4406:587:4::4",
+      "kavlan-8": "2001:660:4406:588:4::4",
+      "kavlan-9": "2001:660:4406:589:4::4"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nancy/clusters/graphique/nodes/graphique-5.json b/data/grid5000/sites/nancy/clusters/graphique/nodes/graphique-5.json
index 8334621f7b483ec473ffa71e47df7aaf79717792..43ae62a711ba27faa80600cee4a85bef73823384 100644
--- a/data/grid5000/sites/nancy/clusters/graphique/nodes/graphique-5.json
+++ b/data/grid5000/sites/nancy/clusters/graphique/nodes/graphique-5.json
@@ -58,6 +58,27 @@
       "kavlan-9": "10.17.69.5"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:4::5",
+      "kavlan-11": "2001:660:4406:58b:4::5",
+      "kavlan-12": "2001:660:4406:58c:4::5",
+      "kavlan-13": "2001:660:4406:58d:4::5",
+      "kavlan-14": "2001:660:4406:58e:4::5",
+      "kavlan-16": "2001:660:4406:590:4::5",
+      "kavlan-18": "2001:660:4406:592:4::5",
+      "kavlan-2": "2001:660:4406:582:4::5",
+      "kavlan-20": "2001:660:4406:594:4::5",
+      "kavlan-21": "2001:660:4406:595:4::5",
+      "kavlan-3": "2001:660:4406:583:4::5",
+      "kavlan-4": "2001:660:4406:584:4::5",
+      "kavlan-5": "2001:660:4406:585:4::5",
+      "kavlan-6": "2001:660:4406:586:4::5",
+      "kavlan-7": "2001:660:4406:587:4::5",
+      "kavlan-8": "2001:660:4406:588:4::5",
+      "kavlan-9": "2001:660:4406:589:4::5"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nancy/clusters/graphique/nodes/graphique-6.json b/data/grid5000/sites/nancy/clusters/graphique/nodes/graphique-6.json
index c7a37b5c6f1950ab646afaf133c11397a3583f89..5bed41550b493f7ef4d9baa03c1ff0ea5131eaeb 100644
--- a/data/grid5000/sites/nancy/clusters/graphique/nodes/graphique-6.json
+++ b/data/grid5000/sites/nancy/clusters/graphique/nodes/graphique-6.json
@@ -58,6 +58,27 @@
       "kavlan-9": "10.17.69.6"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:4::6",
+      "kavlan-11": "2001:660:4406:58b:4::6",
+      "kavlan-12": "2001:660:4406:58c:4::6",
+      "kavlan-13": "2001:660:4406:58d:4::6",
+      "kavlan-14": "2001:660:4406:58e:4::6",
+      "kavlan-16": "2001:660:4406:590:4::6",
+      "kavlan-18": "2001:660:4406:592:4::6",
+      "kavlan-2": "2001:660:4406:582:4::6",
+      "kavlan-20": "2001:660:4406:594:4::6",
+      "kavlan-21": "2001:660:4406:595:4::6",
+      "kavlan-3": "2001:660:4406:583:4::6",
+      "kavlan-4": "2001:660:4406:584:4::6",
+      "kavlan-5": "2001:660:4406:585:4::6",
+      "kavlan-6": "2001:660:4406:586:4::6",
+      "kavlan-7": "2001:660:4406:587:4::6",
+      "kavlan-8": "2001:660:4406:588:4::6",
+      "kavlan-9": "2001:660:4406:589:4::6"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nancy/clusters/graphite/nodes/graphite-1.json b/data/grid5000/sites/nancy/clusters/graphite/nodes/graphite-1.json
index 1ede84e02544a1d9362e3f46e8c0884000dbd3ae..ec08ac339ee6bfc4a3b31661a5f63440843292b3 100644
--- a/data/grid5000/sites/nancy/clusters/graphite/nodes/graphite-1.json
+++ b/data/grid5000/sites/nancy/clusters/graphite/nodes/graphite-1.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.68.1"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:5::1",
+      "kavlan-11": "2001:660:4406:58b:5::1",
+      "kavlan-12": "2001:660:4406:58c:5::1",
+      "kavlan-13": "2001:660:4406:58d:5::1",
+      "kavlan-14": "2001:660:4406:58e:5::1",
+      "kavlan-16": "2001:660:4406:590:5::1",
+      "kavlan-18": "2001:660:4406:592:5::1",
+      "kavlan-2": "2001:660:4406:582:5::1",
+      "kavlan-20": "2001:660:4406:594:5::1",
+      "kavlan-21": "2001:660:4406:595:5::1",
+      "kavlan-3": "2001:660:4406:583:5::1",
+      "kavlan-4": "2001:660:4406:584:5::1",
+      "kavlan-5": "2001:660:4406:585:5::1",
+      "kavlan-6": "2001:660:4406:586:5::1",
+      "kavlan-7": "2001:660:4406:587:5::1",
+      "kavlan-8": "2001:660:4406:588:5::1",
+      "kavlan-9": "2001:660:4406:589:5::1"
+    }
+  },
   "main_memory": {
     "ram_size": 274877906944
   },
diff --git a/data/grid5000/sites/nancy/clusters/graphite/nodes/graphite-2.json b/data/grid5000/sites/nancy/clusters/graphite/nodes/graphite-2.json
index fd4627fff2cd9375e895c7c13630cec5e9ffc6b8..e5d3787b6088c200d032d6a0bbe2a8faddd1cf30 100644
--- a/data/grid5000/sites/nancy/clusters/graphite/nodes/graphite-2.json
+++ b/data/grid5000/sites/nancy/clusters/graphite/nodes/graphite-2.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.68.2"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:5::2",
+      "kavlan-11": "2001:660:4406:58b:5::2",
+      "kavlan-12": "2001:660:4406:58c:5::2",
+      "kavlan-13": "2001:660:4406:58d:5::2",
+      "kavlan-14": "2001:660:4406:58e:5::2",
+      "kavlan-16": "2001:660:4406:590:5::2",
+      "kavlan-18": "2001:660:4406:592:5::2",
+      "kavlan-2": "2001:660:4406:582:5::2",
+      "kavlan-20": "2001:660:4406:594:5::2",
+      "kavlan-21": "2001:660:4406:595:5::2",
+      "kavlan-3": "2001:660:4406:583:5::2",
+      "kavlan-4": "2001:660:4406:584:5::2",
+      "kavlan-5": "2001:660:4406:585:5::2",
+      "kavlan-6": "2001:660:4406:586:5::2",
+      "kavlan-7": "2001:660:4406:587:5::2",
+      "kavlan-8": "2001:660:4406:588:5::2",
+      "kavlan-9": "2001:660:4406:589:5::2"
+    }
+  },
   "main_memory": {
     "ram_size": 274877906944
   },
diff --git a/data/grid5000/sites/nancy/clusters/graphite/nodes/graphite-3.json b/data/grid5000/sites/nancy/clusters/graphite/nodes/graphite-3.json
index 0ca5fe9491a21b35310d0143e51f7052461afacb..8e9e6e4be19bbd12428c3578e2e69cd5f6d81fa6 100644
--- a/data/grid5000/sites/nancy/clusters/graphite/nodes/graphite-3.json
+++ b/data/grid5000/sites/nancy/clusters/graphite/nodes/graphite-3.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.68.3"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:5::3",
+      "kavlan-11": "2001:660:4406:58b:5::3",
+      "kavlan-12": "2001:660:4406:58c:5::3",
+      "kavlan-13": "2001:660:4406:58d:5::3",
+      "kavlan-14": "2001:660:4406:58e:5::3",
+      "kavlan-16": "2001:660:4406:590:5::3",
+      "kavlan-18": "2001:660:4406:592:5::3",
+      "kavlan-2": "2001:660:4406:582:5::3",
+      "kavlan-20": "2001:660:4406:594:5::3",
+      "kavlan-21": "2001:660:4406:595:5::3",
+      "kavlan-3": "2001:660:4406:583:5::3",
+      "kavlan-4": "2001:660:4406:584:5::3",
+      "kavlan-5": "2001:660:4406:585:5::3",
+      "kavlan-6": "2001:660:4406:586:5::3",
+      "kavlan-7": "2001:660:4406:587:5::3",
+      "kavlan-8": "2001:660:4406:588:5::3",
+      "kavlan-9": "2001:660:4406:589:5::3"
+    }
+  },
   "main_memory": {
     "ram_size": 274877906944
   },
diff --git a/data/grid5000/sites/nancy/clusters/graphite/nodes/graphite-4.json b/data/grid5000/sites/nancy/clusters/graphite/nodes/graphite-4.json
index 3e281c6a364a004c0aee6c7312241db4cbe65f9a..03cf2601a4b1357a262642cbfd8000cf15a43f92 100644
--- a/data/grid5000/sites/nancy/clusters/graphite/nodes/graphite-4.json
+++ b/data/grid5000/sites/nancy/clusters/graphite/nodes/graphite-4.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.68.4"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:5::4",
+      "kavlan-11": "2001:660:4406:58b:5::4",
+      "kavlan-12": "2001:660:4406:58c:5::4",
+      "kavlan-13": "2001:660:4406:58d:5::4",
+      "kavlan-14": "2001:660:4406:58e:5::4",
+      "kavlan-16": "2001:660:4406:590:5::4",
+      "kavlan-18": "2001:660:4406:592:5::4",
+      "kavlan-2": "2001:660:4406:582:5::4",
+      "kavlan-20": "2001:660:4406:594:5::4",
+      "kavlan-21": "2001:660:4406:595:5::4",
+      "kavlan-3": "2001:660:4406:583:5::4",
+      "kavlan-4": "2001:660:4406:584:5::4",
+      "kavlan-5": "2001:660:4406:585:5::4",
+      "kavlan-6": "2001:660:4406:586:5::4",
+      "kavlan-7": "2001:660:4406:587:5::4",
+      "kavlan-8": "2001:660:4406:588:5::4",
+      "kavlan-9": "2001:660:4406:589:5::4"
+    }
+  },
   "main_memory": {
     "ram_size": 274877906944
   },
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-1.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-1.json
index 3ebc4df7d6590a815152e17d72551b8e43a655d6..de41d98df7081345fd2dd4122b06eee3c90282ca 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-1.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-1.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.66.1"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:c::1",
+      "kavlan-11": "2001:660:4406:58b:c::1",
+      "kavlan-12": "2001:660:4406:58c:c::1",
+      "kavlan-13": "2001:660:4406:58d:c::1",
+      "kavlan-14": "2001:660:4406:58e:c::1",
+      "kavlan-16": "2001:660:4406:590:c::1",
+      "kavlan-18": "2001:660:4406:592:c::1",
+      "kavlan-2": "2001:660:4406:582:c::1",
+      "kavlan-20": "2001:660:4406:594:c::1",
+      "kavlan-21": "2001:660:4406:595:c::1",
+      "kavlan-3": "2001:660:4406:583:c::1",
+      "kavlan-4": "2001:660:4406:584:c::1",
+      "kavlan-5": "2001:660:4406:585:c::1",
+      "kavlan-6": "2001:660:4406:586:c::1",
+      "kavlan-7": "2001:660:4406:587:c::1",
+      "kavlan-8": "2001:660:4406:588:c::1",
+      "kavlan-9": "2001:660:4406:589:c::1"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-10.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-10.json
index 97a1c200a71a11d2de2f1e59f02f5165b1084c54..edd78cb82f88e4c104957707b62609ca07178113 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-10.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-10.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.66.10"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:c::a",
+      "kavlan-11": "2001:660:4406:58b:c::a",
+      "kavlan-12": "2001:660:4406:58c:c::a",
+      "kavlan-13": "2001:660:4406:58d:c::a",
+      "kavlan-14": "2001:660:4406:58e:c::a",
+      "kavlan-16": "2001:660:4406:590:c::a",
+      "kavlan-18": "2001:660:4406:592:c::a",
+      "kavlan-2": "2001:660:4406:582:c::a",
+      "kavlan-20": "2001:660:4406:594:c::a",
+      "kavlan-21": "2001:660:4406:595:c::a",
+      "kavlan-3": "2001:660:4406:583:c::a",
+      "kavlan-4": "2001:660:4406:584:c::a",
+      "kavlan-5": "2001:660:4406:585:c::a",
+      "kavlan-6": "2001:660:4406:586:c::a",
+      "kavlan-7": "2001:660:4406:587:c::a",
+      "kavlan-8": "2001:660:4406:588:c::a",
+      "kavlan-9": "2001:660:4406:589:c::a"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-11.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-11.json
index ada259198b4be24385a56b5e9fbf9fafa42fe403..bc06e4535e80ffd6ff226ea15bc77725976f22a5 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-11.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-11.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.66.11"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:c::b",
+      "kavlan-11": "2001:660:4406:58b:c::b",
+      "kavlan-12": "2001:660:4406:58c:c::b",
+      "kavlan-13": "2001:660:4406:58d:c::b",
+      "kavlan-14": "2001:660:4406:58e:c::b",
+      "kavlan-16": "2001:660:4406:590:c::b",
+      "kavlan-18": "2001:660:4406:592:c::b",
+      "kavlan-2": "2001:660:4406:582:c::b",
+      "kavlan-20": "2001:660:4406:594:c::b",
+      "kavlan-21": "2001:660:4406:595:c::b",
+      "kavlan-3": "2001:660:4406:583:c::b",
+      "kavlan-4": "2001:660:4406:584:c::b",
+      "kavlan-5": "2001:660:4406:585:c::b",
+      "kavlan-6": "2001:660:4406:586:c::b",
+      "kavlan-7": "2001:660:4406:587:c::b",
+      "kavlan-8": "2001:660:4406:588:c::b",
+      "kavlan-9": "2001:660:4406:589:c::b"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-12.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-12.json
index e30afa600f7fc83321bb9ed67546711ca6173277..35a0e7ff4937238ca6af4f69c53aebdde8a8642c 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-12.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-12.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.66.12"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:c::c",
+      "kavlan-11": "2001:660:4406:58b:c::c",
+      "kavlan-12": "2001:660:4406:58c:c::c",
+      "kavlan-13": "2001:660:4406:58d:c::c",
+      "kavlan-14": "2001:660:4406:58e:c::c",
+      "kavlan-16": "2001:660:4406:590:c::c",
+      "kavlan-18": "2001:660:4406:592:c::c",
+      "kavlan-2": "2001:660:4406:582:c::c",
+      "kavlan-20": "2001:660:4406:594:c::c",
+      "kavlan-21": "2001:660:4406:595:c::c",
+      "kavlan-3": "2001:660:4406:583:c::c",
+      "kavlan-4": "2001:660:4406:584:c::c",
+      "kavlan-5": "2001:660:4406:585:c::c",
+      "kavlan-6": "2001:660:4406:586:c::c",
+      "kavlan-7": "2001:660:4406:587:c::c",
+      "kavlan-8": "2001:660:4406:588:c::c",
+      "kavlan-9": "2001:660:4406:589:c::c"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-13.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-13.json
index cf224274a435746299b308e2472c009a3e2e5d5b..ea08d7006cd60996995fd6aa9a97c679270f16e2 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-13.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-13.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.66.13"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:c::d",
+      "kavlan-11": "2001:660:4406:58b:c::d",
+      "kavlan-12": "2001:660:4406:58c:c::d",
+      "kavlan-13": "2001:660:4406:58d:c::d",
+      "kavlan-14": "2001:660:4406:58e:c::d",
+      "kavlan-16": "2001:660:4406:590:c::d",
+      "kavlan-18": "2001:660:4406:592:c::d",
+      "kavlan-2": "2001:660:4406:582:c::d",
+      "kavlan-20": "2001:660:4406:594:c::d",
+      "kavlan-21": "2001:660:4406:595:c::d",
+      "kavlan-3": "2001:660:4406:583:c::d",
+      "kavlan-4": "2001:660:4406:584:c::d",
+      "kavlan-5": "2001:660:4406:585:c::d",
+      "kavlan-6": "2001:660:4406:586:c::d",
+      "kavlan-7": "2001:660:4406:587:c::d",
+      "kavlan-8": "2001:660:4406:588:c::d",
+      "kavlan-9": "2001:660:4406:589:c::d"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-14.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-14.json
index 9ea9a6606a86f7234de56da0fd4242ae6b8507f1..47545190183341ca35b190d8f2de570cf3cb7697 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-14.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-14.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.66.14"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:c::e",
+      "kavlan-11": "2001:660:4406:58b:c::e",
+      "kavlan-12": "2001:660:4406:58c:c::e",
+      "kavlan-13": "2001:660:4406:58d:c::e",
+      "kavlan-14": "2001:660:4406:58e:c::e",
+      "kavlan-16": "2001:660:4406:590:c::e",
+      "kavlan-18": "2001:660:4406:592:c::e",
+      "kavlan-2": "2001:660:4406:582:c::e",
+      "kavlan-20": "2001:660:4406:594:c::e",
+      "kavlan-21": "2001:660:4406:595:c::e",
+      "kavlan-3": "2001:660:4406:583:c::e",
+      "kavlan-4": "2001:660:4406:584:c::e",
+      "kavlan-5": "2001:660:4406:585:c::e",
+      "kavlan-6": "2001:660:4406:586:c::e",
+      "kavlan-7": "2001:660:4406:587:c::e",
+      "kavlan-8": "2001:660:4406:588:c::e",
+      "kavlan-9": "2001:660:4406:589:c::e"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-15.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-15.json
index 8a998aa6b96cc1edd29728d54a02f7013bee2bf6..9a7a9b79ed281f9d82a9a0a1c190f03c5d05f785 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-15.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-15.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.66.15"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:c::f",
+      "kavlan-11": "2001:660:4406:58b:c::f",
+      "kavlan-12": "2001:660:4406:58c:c::f",
+      "kavlan-13": "2001:660:4406:58d:c::f",
+      "kavlan-14": "2001:660:4406:58e:c::f",
+      "kavlan-16": "2001:660:4406:590:c::f",
+      "kavlan-18": "2001:660:4406:592:c::f",
+      "kavlan-2": "2001:660:4406:582:c::f",
+      "kavlan-20": "2001:660:4406:594:c::f",
+      "kavlan-21": "2001:660:4406:595:c::f",
+      "kavlan-3": "2001:660:4406:583:c::f",
+      "kavlan-4": "2001:660:4406:584:c::f",
+      "kavlan-5": "2001:660:4406:585:c::f",
+      "kavlan-6": "2001:660:4406:586:c::f",
+      "kavlan-7": "2001:660:4406:587:c::f",
+      "kavlan-8": "2001:660:4406:588:c::f",
+      "kavlan-9": "2001:660:4406:589:c::f"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-16.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-16.json
index 8a5250c8b701c8f356fb9d5e455aae07b0bab14b..92039e0080ed9717e560482d29c7f16f145b71a9 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-16.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-16.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.66.16"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:c::10",
+      "kavlan-11": "2001:660:4406:58b:c::10",
+      "kavlan-12": "2001:660:4406:58c:c::10",
+      "kavlan-13": "2001:660:4406:58d:c::10",
+      "kavlan-14": "2001:660:4406:58e:c::10",
+      "kavlan-16": "2001:660:4406:590:c::10",
+      "kavlan-18": "2001:660:4406:592:c::10",
+      "kavlan-2": "2001:660:4406:582:c::10",
+      "kavlan-20": "2001:660:4406:594:c::10",
+      "kavlan-21": "2001:660:4406:595:c::10",
+      "kavlan-3": "2001:660:4406:583:c::10",
+      "kavlan-4": "2001:660:4406:584:c::10",
+      "kavlan-5": "2001:660:4406:585:c::10",
+      "kavlan-6": "2001:660:4406:586:c::10",
+      "kavlan-7": "2001:660:4406:587:c::10",
+      "kavlan-8": "2001:660:4406:588:c::10",
+      "kavlan-9": "2001:660:4406:589:c::10"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-17.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-17.json
index fd3ceede2f3f02d58971d4ebee7919a44d92e13c..0d1c5830fcf1873aaef86b951f3e0f96582bcf90 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-17.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-17.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.66.17"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:c::11",
+      "kavlan-11": "2001:660:4406:58b:c::11",
+      "kavlan-12": "2001:660:4406:58c:c::11",
+      "kavlan-13": "2001:660:4406:58d:c::11",
+      "kavlan-14": "2001:660:4406:58e:c::11",
+      "kavlan-16": "2001:660:4406:590:c::11",
+      "kavlan-18": "2001:660:4406:592:c::11",
+      "kavlan-2": "2001:660:4406:582:c::11",
+      "kavlan-20": "2001:660:4406:594:c::11",
+      "kavlan-21": "2001:660:4406:595:c::11",
+      "kavlan-3": "2001:660:4406:583:c::11",
+      "kavlan-4": "2001:660:4406:584:c::11",
+      "kavlan-5": "2001:660:4406:585:c::11",
+      "kavlan-6": "2001:660:4406:586:c::11",
+      "kavlan-7": "2001:660:4406:587:c::11",
+      "kavlan-8": "2001:660:4406:588:c::11",
+      "kavlan-9": "2001:660:4406:589:c::11"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-18.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-18.json
index 29738c88c27b649eae7092d7fb70607c550c8890..edc983f536f2af090207441dc635daf9a853c989 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-18.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-18.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.66.18"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:c::12",
+      "kavlan-11": "2001:660:4406:58b:c::12",
+      "kavlan-12": "2001:660:4406:58c:c::12",
+      "kavlan-13": "2001:660:4406:58d:c::12",
+      "kavlan-14": "2001:660:4406:58e:c::12",
+      "kavlan-16": "2001:660:4406:590:c::12",
+      "kavlan-18": "2001:660:4406:592:c::12",
+      "kavlan-2": "2001:660:4406:582:c::12",
+      "kavlan-20": "2001:660:4406:594:c::12",
+      "kavlan-21": "2001:660:4406:595:c::12",
+      "kavlan-3": "2001:660:4406:583:c::12",
+      "kavlan-4": "2001:660:4406:584:c::12",
+      "kavlan-5": "2001:660:4406:585:c::12",
+      "kavlan-6": "2001:660:4406:586:c::12",
+      "kavlan-7": "2001:660:4406:587:c::12",
+      "kavlan-8": "2001:660:4406:588:c::12",
+      "kavlan-9": "2001:660:4406:589:c::12"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-19.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-19.json
index 96115c85672cb682586068357b649ba66cfaeba4..72cb6d3a5d85c236d39f1c82708ff03e630465a8 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-19.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-19.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.66.19"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:c::13",
+      "kavlan-11": "2001:660:4406:58b:c::13",
+      "kavlan-12": "2001:660:4406:58c:c::13",
+      "kavlan-13": "2001:660:4406:58d:c::13",
+      "kavlan-14": "2001:660:4406:58e:c::13",
+      "kavlan-16": "2001:660:4406:590:c::13",
+      "kavlan-18": "2001:660:4406:592:c::13",
+      "kavlan-2": "2001:660:4406:582:c::13",
+      "kavlan-20": "2001:660:4406:594:c::13",
+      "kavlan-21": "2001:660:4406:595:c::13",
+      "kavlan-3": "2001:660:4406:583:c::13",
+      "kavlan-4": "2001:660:4406:584:c::13",
+      "kavlan-5": "2001:660:4406:585:c::13",
+      "kavlan-6": "2001:660:4406:586:c::13",
+      "kavlan-7": "2001:660:4406:587:c::13",
+      "kavlan-8": "2001:660:4406:588:c::13",
+      "kavlan-9": "2001:660:4406:589:c::13"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-2.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-2.json
index 8d6ad823efb251eb4e3b1c6a12efe47aa01ba10c..5ad9cf07ca08deba95fa959dd4c1cf54bea902b2 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-2.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-2.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.66.2"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:c::2",
+      "kavlan-11": "2001:660:4406:58b:c::2",
+      "kavlan-12": "2001:660:4406:58c:c::2",
+      "kavlan-13": "2001:660:4406:58d:c::2",
+      "kavlan-14": "2001:660:4406:58e:c::2",
+      "kavlan-16": "2001:660:4406:590:c::2",
+      "kavlan-18": "2001:660:4406:592:c::2",
+      "kavlan-2": "2001:660:4406:582:c::2",
+      "kavlan-20": "2001:660:4406:594:c::2",
+      "kavlan-21": "2001:660:4406:595:c::2",
+      "kavlan-3": "2001:660:4406:583:c::2",
+      "kavlan-4": "2001:660:4406:584:c::2",
+      "kavlan-5": "2001:660:4406:585:c::2",
+      "kavlan-6": "2001:660:4406:586:c::2",
+      "kavlan-7": "2001:660:4406:587:c::2",
+      "kavlan-8": "2001:660:4406:588:c::2",
+      "kavlan-9": "2001:660:4406:589:c::2"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-20.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-20.json
index 2f341b6102332c554d3e7808e2ae7aa4b4f7dd44..12d63fdffa51e2e892ac1556252c3c6af0ef329f 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-20.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-20.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.66.20"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:c::14",
+      "kavlan-11": "2001:660:4406:58b:c::14",
+      "kavlan-12": "2001:660:4406:58c:c::14",
+      "kavlan-13": "2001:660:4406:58d:c::14",
+      "kavlan-14": "2001:660:4406:58e:c::14",
+      "kavlan-16": "2001:660:4406:590:c::14",
+      "kavlan-18": "2001:660:4406:592:c::14",
+      "kavlan-2": "2001:660:4406:582:c::14",
+      "kavlan-20": "2001:660:4406:594:c::14",
+      "kavlan-21": "2001:660:4406:595:c::14",
+      "kavlan-3": "2001:660:4406:583:c::14",
+      "kavlan-4": "2001:660:4406:584:c::14",
+      "kavlan-5": "2001:660:4406:585:c::14",
+      "kavlan-6": "2001:660:4406:586:c::14",
+      "kavlan-7": "2001:660:4406:587:c::14",
+      "kavlan-8": "2001:660:4406:588:c::14",
+      "kavlan-9": "2001:660:4406:589:c::14"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-21.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-21.json
index 5c2957dec0567eb74c84d3a86dc69c4bfe05111b..c9101c3be7c1ff9a31c461982d4b49893432c011 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-21.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-21.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.66.21"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:c::15",
+      "kavlan-11": "2001:660:4406:58b:c::15",
+      "kavlan-12": "2001:660:4406:58c:c::15",
+      "kavlan-13": "2001:660:4406:58d:c::15",
+      "kavlan-14": "2001:660:4406:58e:c::15",
+      "kavlan-16": "2001:660:4406:590:c::15",
+      "kavlan-18": "2001:660:4406:592:c::15",
+      "kavlan-2": "2001:660:4406:582:c::15",
+      "kavlan-20": "2001:660:4406:594:c::15",
+      "kavlan-21": "2001:660:4406:595:c::15",
+      "kavlan-3": "2001:660:4406:583:c::15",
+      "kavlan-4": "2001:660:4406:584:c::15",
+      "kavlan-5": "2001:660:4406:585:c::15",
+      "kavlan-6": "2001:660:4406:586:c::15",
+      "kavlan-7": "2001:660:4406:587:c::15",
+      "kavlan-8": "2001:660:4406:588:c::15",
+      "kavlan-9": "2001:660:4406:589:c::15"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-22.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-22.json
index 0cfb801a7a8c083ee4240583b344c20999b0be01..0bd5112aceab8d122b5328548fafdab8d2ee9ae0 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-22.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-22.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.66.22"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:c::16",
+      "kavlan-11": "2001:660:4406:58b:c::16",
+      "kavlan-12": "2001:660:4406:58c:c::16",
+      "kavlan-13": "2001:660:4406:58d:c::16",
+      "kavlan-14": "2001:660:4406:58e:c::16",
+      "kavlan-16": "2001:660:4406:590:c::16",
+      "kavlan-18": "2001:660:4406:592:c::16",
+      "kavlan-2": "2001:660:4406:582:c::16",
+      "kavlan-20": "2001:660:4406:594:c::16",
+      "kavlan-21": "2001:660:4406:595:c::16",
+      "kavlan-3": "2001:660:4406:583:c::16",
+      "kavlan-4": "2001:660:4406:584:c::16",
+      "kavlan-5": "2001:660:4406:585:c::16",
+      "kavlan-6": "2001:660:4406:586:c::16",
+      "kavlan-7": "2001:660:4406:587:c::16",
+      "kavlan-8": "2001:660:4406:588:c::16",
+      "kavlan-9": "2001:660:4406:589:c::16"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-23.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-23.json
index 860ce0f4dbc4527b7cab8b253553f849db641d24..0c3c4077eed76e1564869c795b497da47c76933e 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-23.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-23.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.66.23"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:c::17",
+      "kavlan-11": "2001:660:4406:58b:c::17",
+      "kavlan-12": "2001:660:4406:58c:c::17",
+      "kavlan-13": "2001:660:4406:58d:c::17",
+      "kavlan-14": "2001:660:4406:58e:c::17",
+      "kavlan-16": "2001:660:4406:590:c::17",
+      "kavlan-18": "2001:660:4406:592:c::17",
+      "kavlan-2": "2001:660:4406:582:c::17",
+      "kavlan-20": "2001:660:4406:594:c::17",
+      "kavlan-21": "2001:660:4406:595:c::17",
+      "kavlan-3": "2001:660:4406:583:c::17",
+      "kavlan-4": "2001:660:4406:584:c::17",
+      "kavlan-5": "2001:660:4406:585:c::17",
+      "kavlan-6": "2001:660:4406:586:c::17",
+      "kavlan-7": "2001:660:4406:587:c::17",
+      "kavlan-8": "2001:660:4406:588:c::17",
+      "kavlan-9": "2001:660:4406:589:c::17"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-24.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-24.json
index bd41ace57d3181600dd78326d0d754e72d3ba8d0..80ba4bfbdf18f4898d57eceb722612043eb7c8dc 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-24.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-24.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.66.24"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:c::18",
+      "kavlan-11": "2001:660:4406:58b:c::18",
+      "kavlan-12": "2001:660:4406:58c:c::18",
+      "kavlan-13": "2001:660:4406:58d:c::18",
+      "kavlan-14": "2001:660:4406:58e:c::18",
+      "kavlan-16": "2001:660:4406:590:c::18",
+      "kavlan-18": "2001:660:4406:592:c::18",
+      "kavlan-2": "2001:660:4406:582:c::18",
+      "kavlan-20": "2001:660:4406:594:c::18",
+      "kavlan-21": "2001:660:4406:595:c::18",
+      "kavlan-3": "2001:660:4406:583:c::18",
+      "kavlan-4": "2001:660:4406:584:c::18",
+      "kavlan-5": "2001:660:4406:585:c::18",
+      "kavlan-6": "2001:660:4406:586:c::18",
+      "kavlan-7": "2001:660:4406:587:c::18",
+      "kavlan-8": "2001:660:4406:588:c::18",
+      "kavlan-9": "2001:660:4406:589:c::18"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-25.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-25.json
index 0cf2cb991a01671acf7b03093259c1c6d0905d69..379ebf22a33fed9ba14f42dd8f487740005e4495 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-25.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-25.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.66.25"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:c::19",
+      "kavlan-11": "2001:660:4406:58b:c::19",
+      "kavlan-12": "2001:660:4406:58c:c::19",
+      "kavlan-13": "2001:660:4406:58d:c::19",
+      "kavlan-14": "2001:660:4406:58e:c::19",
+      "kavlan-16": "2001:660:4406:590:c::19",
+      "kavlan-18": "2001:660:4406:592:c::19",
+      "kavlan-2": "2001:660:4406:582:c::19",
+      "kavlan-20": "2001:660:4406:594:c::19",
+      "kavlan-21": "2001:660:4406:595:c::19",
+      "kavlan-3": "2001:660:4406:583:c::19",
+      "kavlan-4": "2001:660:4406:584:c::19",
+      "kavlan-5": "2001:660:4406:585:c::19",
+      "kavlan-6": "2001:660:4406:586:c::19",
+      "kavlan-7": "2001:660:4406:587:c::19",
+      "kavlan-8": "2001:660:4406:588:c::19",
+      "kavlan-9": "2001:660:4406:589:c::19"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-26.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-26.json
index 17de2c0b6e4d2b7036dd59e2ed2ba91b24518cf6..d7d99508bab48000f806df884236f78f26655e83 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-26.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-26.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.66.26"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:c::1a",
+      "kavlan-11": "2001:660:4406:58b:c::1a",
+      "kavlan-12": "2001:660:4406:58c:c::1a",
+      "kavlan-13": "2001:660:4406:58d:c::1a",
+      "kavlan-14": "2001:660:4406:58e:c::1a",
+      "kavlan-16": "2001:660:4406:590:c::1a",
+      "kavlan-18": "2001:660:4406:592:c::1a",
+      "kavlan-2": "2001:660:4406:582:c::1a",
+      "kavlan-20": "2001:660:4406:594:c::1a",
+      "kavlan-21": "2001:660:4406:595:c::1a",
+      "kavlan-3": "2001:660:4406:583:c::1a",
+      "kavlan-4": "2001:660:4406:584:c::1a",
+      "kavlan-5": "2001:660:4406:585:c::1a",
+      "kavlan-6": "2001:660:4406:586:c::1a",
+      "kavlan-7": "2001:660:4406:587:c::1a",
+      "kavlan-8": "2001:660:4406:588:c::1a",
+      "kavlan-9": "2001:660:4406:589:c::1a"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-27.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-27.json
index caaf8005a3108a57dc875938553a23bcb3ec5888..0bbcc8e574d5297bb95c66a3e72f10c40e1aa667 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-27.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-27.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.66.27"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:c::1b",
+      "kavlan-11": "2001:660:4406:58b:c::1b",
+      "kavlan-12": "2001:660:4406:58c:c::1b",
+      "kavlan-13": "2001:660:4406:58d:c::1b",
+      "kavlan-14": "2001:660:4406:58e:c::1b",
+      "kavlan-16": "2001:660:4406:590:c::1b",
+      "kavlan-18": "2001:660:4406:592:c::1b",
+      "kavlan-2": "2001:660:4406:582:c::1b",
+      "kavlan-20": "2001:660:4406:594:c::1b",
+      "kavlan-21": "2001:660:4406:595:c::1b",
+      "kavlan-3": "2001:660:4406:583:c::1b",
+      "kavlan-4": "2001:660:4406:584:c::1b",
+      "kavlan-5": "2001:660:4406:585:c::1b",
+      "kavlan-6": "2001:660:4406:586:c::1b",
+      "kavlan-7": "2001:660:4406:587:c::1b",
+      "kavlan-8": "2001:660:4406:588:c::1b",
+      "kavlan-9": "2001:660:4406:589:c::1b"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-28.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-28.json
index 46f35beeb246d6f9be583a26dfe10dda5ea65443..e7fe18a2bd11181bdc63b7d9251df3b3c86fa6d0 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-28.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-28.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.66.28"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:c::1c",
+      "kavlan-11": "2001:660:4406:58b:c::1c",
+      "kavlan-12": "2001:660:4406:58c:c::1c",
+      "kavlan-13": "2001:660:4406:58d:c::1c",
+      "kavlan-14": "2001:660:4406:58e:c::1c",
+      "kavlan-16": "2001:660:4406:590:c::1c",
+      "kavlan-18": "2001:660:4406:592:c::1c",
+      "kavlan-2": "2001:660:4406:582:c::1c",
+      "kavlan-20": "2001:660:4406:594:c::1c",
+      "kavlan-21": "2001:660:4406:595:c::1c",
+      "kavlan-3": "2001:660:4406:583:c::1c",
+      "kavlan-4": "2001:660:4406:584:c::1c",
+      "kavlan-5": "2001:660:4406:585:c::1c",
+      "kavlan-6": "2001:660:4406:586:c::1c",
+      "kavlan-7": "2001:660:4406:587:c::1c",
+      "kavlan-8": "2001:660:4406:588:c::1c",
+      "kavlan-9": "2001:660:4406:589:c::1c"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-29.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-29.json
index 0c2f8fcbf93c593e13d68d1c207e630e3bef7612..b5f46de838c373d55dcb749b47f25bcd57620178 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-29.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-29.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.66.29"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:c::1d",
+      "kavlan-11": "2001:660:4406:58b:c::1d",
+      "kavlan-12": "2001:660:4406:58c:c::1d",
+      "kavlan-13": "2001:660:4406:58d:c::1d",
+      "kavlan-14": "2001:660:4406:58e:c::1d",
+      "kavlan-16": "2001:660:4406:590:c::1d",
+      "kavlan-18": "2001:660:4406:592:c::1d",
+      "kavlan-2": "2001:660:4406:582:c::1d",
+      "kavlan-20": "2001:660:4406:594:c::1d",
+      "kavlan-21": "2001:660:4406:595:c::1d",
+      "kavlan-3": "2001:660:4406:583:c::1d",
+      "kavlan-4": "2001:660:4406:584:c::1d",
+      "kavlan-5": "2001:660:4406:585:c::1d",
+      "kavlan-6": "2001:660:4406:586:c::1d",
+      "kavlan-7": "2001:660:4406:587:c::1d",
+      "kavlan-8": "2001:660:4406:588:c::1d",
+      "kavlan-9": "2001:660:4406:589:c::1d"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-3.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-3.json
index 0efc054b34af7a7e1718db463d50ca1a0beec98a..ef73be51b0a81259bebb9a3567a1b6c3f2912001 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-3.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-3.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.66.3"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:c::3",
+      "kavlan-11": "2001:660:4406:58b:c::3",
+      "kavlan-12": "2001:660:4406:58c:c::3",
+      "kavlan-13": "2001:660:4406:58d:c::3",
+      "kavlan-14": "2001:660:4406:58e:c::3",
+      "kavlan-16": "2001:660:4406:590:c::3",
+      "kavlan-18": "2001:660:4406:592:c::3",
+      "kavlan-2": "2001:660:4406:582:c::3",
+      "kavlan-20": "2001:660:4406:594:c::3",
+      "kavlan-21": "2001:660:4406:595:c::3",
+      "kavlan-3": "2001:660:4406:583:c::3",
+      "kavlan-4": "2001:660:4406:584:c::3",
+      "kavlan-5": "2001:660:4406:585:c::3",
+      "kavlan-6": "2001:660:4406:586:c::3",
+      "kavlan-7": "2001:660:4406:587:c::3",
+      "kavlan-8": "2001:660:4406:588:c::3",
+      "kavlan-9": "2001:660:4406:589:c::3"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-30.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-30.json
index 773c0cc662073cf872a35f50da52f565993742aa..c8f0ec45fd6dfb84f298782faa587641c0c7818c 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-30.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-30.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.66.30"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:c::1e",
+      "kavlan-11": "2001:660:4406:58b:c::1e",
+      "kavlan-12": "2001:660:4406:58c:c::1e",
+      "kavlan-13": "2001:660:4406:58d:c::1e",
+      "kavlan-14": "2001:660:4406:58e:c::1e",
+      "kavlan-16": "2001:660:4406:590:c::1e",
+      "kavlan-18": "2001:660:4406:592:c::1e",
+      "kavlan-2": "2001:660:4406:582:c::1e",
+      "kavlan-20": "2001:660:4406:594:c::1e",
+      "kavlan-21": "2001:660:4406:595:c::1e",
+      "kavlan-3": "2001:660:4406:583:c::1e",
+      "kavlan-4": "2001:660:4406:584:c::1e",
+      "kavlan-5": "2001:660:4406:585:c::1e",
+      "kavlan-6": "2001:660:4406:586:c::1e",
+      "kavlan-7": "2001:660:4406:587:c::1e",
+      "kavlan-8": "2001:660:4406:588:c::1e",
+      "kavlan-9": "2001:660:4406:589:c::1e"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-31.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-31.json
index 167b7a8f9768f597f0ebd39e592f19e0da993b15..8d9047957dcd26be7f983366aa53785e2b0f81ad 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-31.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-31.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.66.31"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:c::1f",
+      "kavlan-11": "2001:660:4406:58b:c::1f",
+      "kavlan-12": "2001:660:4406:58c:c::1f",
+      "kavlan-13": "2001:660:4406:58d:c::1f",
+      "kavlan-14": "2001:660:4406:58e:c::1f",
+      "kavlan-16": "2001:660:4406:590:c::1f",
+      "kavlan-18": "2001:660:4406:592:c::1f",
+      "kavlan-2": "2001:660:4406:582:c::1f",
+      "kavlan-20": "2001:660:4406:594:c::1f",
+      "kavlan-21": "2001:660:4406:595:c::1f",
+      "kavlan-3": "2001:660:4406:583:c::1f",
+      "kavlan-4": "2001:660:4406:584:c::1f",
+      "kavlan-5": "2001:660:4406:585:c::1f",
+      "kavlan-6": "2001:660:4406:586:c::1f",
+      "kavlan-7": "2001:660:4406:587:c::1f",
+      "kavlan-8": "2001:660:4406:588:c::1f",
+      "kavlan-9": "2001:660:4406:589:c::1f"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-32.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-32.json
index 84a4234e5975361dfcc5934f59b7aa33f9d92fcb..9f23302807da9318841751422aaab7f17f49d16f 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-32.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-32.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.66.32"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:c::20",
+      "kavlan-11": "2001:660:4406:58b:c::20",
+      "kavlan-12": "2001:660:4406:58c:c::20",
+      "kavlan-13": "2001:660:4406:58d:c::20",
+      "kavlan-14": "2001:660:4406:58e:c::20",
+      "kavlan-16": "2001:660:4406:590:c::20",
+      "kavlan-18": "2001:660:4406:592:c::20",
+      "kavlan-2": "2001:660:4406:582:c::20",
+      "kavlan-20": "2001:660:4406:594:c::20",
+      "kavlan-21": "2001:660:4406:595:c::20",
+      "kavlan-3": "2001:660:4406:583:c::20",
+      "kavlan-4": "2001:660:4406:584:c::20",
+      "kavlan-5": "2001:660:4406:585:c::20",
+      "kavlan-6": "2001:660:4406:586:c::20",
+      "kavlan-7": "2001:660:4406:587:c::20",
+      "kavlan-8": "2001:660:4406:588:c::20",
+      "kavlan-9": "2001:660:4406:589:c::20"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-33.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-33.json
index 4631a7aeae2b8f98ecdea384830b6e34ac964441..e3bcdefe2071fdba455db72edc3ec0801e5eb394 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-33.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-33.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.66.33"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:c::21",
+      "kavlan-11": "2001:660:4406:58b:c::21",
+      "kavlan-12": "2001:660:4406:58c:c::21",
+      "kavlan-13": "2001:660:4406:58d:c::21",
+      "kavlan-14": "2001:660:4406:58e:c::21",
+      "kavlan-16": "2001:660:4406:590:c::21",
+      "kavlan-18": "2001:660:4406:592:c::21",
+      "kavlan-2": "2001:660:4406:582:c::21",
+      "kavlan-20": "2001:660:4406:594:c::21",
+      "kavlan-21": "2001:660:4406:595:c::21",
+      "kavlan-3": "2001:660:4406:583:c::21",
+      "kavlan-4": "2001:660:4406:584:c::21",
+      "kavlan-5": "2001:660:4406:585:c::21",
+      "kavlan-6": "2001:660:4406:586:c::21",
+      "kavlan-7": "2001:660:4406:587:c::21",
+      "kavlan-8": "2001:660:4406:588:c::21",
+      "kavlan-9": "2001:660:4406:589:c::21"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-34.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-34.json
index 0a3d9c7d1db70dfd0d73ea4fec090030703d320a..708e3b453c2a313a375901bc8b1d541c28e906c6 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-34.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-34.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.66.34"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:c::22",
+      "kavlan-11": "2001:660:4406:58b:c::22",
+      "kavlan-12": "2001:660:4406:58c:c::22",
+      "kavlan-13": "2001:660:4406:58d:c::22",
+      "kavlan-14": "2001:660:4406:58e:c::22",
+      "kavlan-16": "2001:660:4406:590:c::22",
+      "kavlan-18": "2001:660:4406:592:c::22",
+      "kavlan-2": "2001:660:4406:582:c::22",
+      "kavlan-20": "2001:660:4406:594:c::22",
+      "kavlan-21": "2001:660:4406:595:c::22",
+      "kavlan-3": "2001:660:4406:583:c::22",
+      "kavlan-4": "2001:660:4406:584:c::22",
+      "kavlan-5": "2001:660:4406:585:c::22",
+      "kavlan-6": "2001:660:4406:586:c::22",
+      "kavlan-7": "2001:660:4406:587:c::22",
+      "kavlan-8": "2001:660:4406:588:c::22",
+      "kavlan-9": "2001:660:4406:589:c::22"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-35.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-35.json
index 33a1c1393c48886db957b3b84d04ece79fb2f98e..4cdccd6434590355351cf382be4f615577c940d6 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-35.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-35.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.66.35"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:c::23",
+      "kavlan-11": "2001:660:4406:58b:c::23",
+      "kavlan-12": "2001:660:4406:58c:c::23",
+      "kavlan-13": "2001:660:4406:58d:c::23",
+      "kavlan-14": "2001:660:4406:58e:c::23",
+      "kavlan-16": "2001:660:4406:590:c::23",
+      "kavlan-18": "2001:660:4406:592:c::23",
+      "kavlan-2": "2001:660:4406:582:c::23",
+      "kavlan-20": "2001:660:4406:594:c::23",
+      "kavlan-21": "2001:660:4406:595:c::23",
+      "kavlan-3": "2001:660:4406:583:c::23",
+      "kavlan-4": "2001:660:4406:584:c::23",
+      "kavlan-5": "2001:660:4406:585:c::23",
+      "kavlan-6": "2001:660:4406:586:c::23",
+      "kavlan-7": "2001:660:4406:587:c::23",
+      "kavlan-8": "2001:660:4406:588:c::23",
+      "kavlan-9": "2001:660:4406:589:c::23"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-36.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-36.json
index 76c5694b703f2b9f519caa8a77528dd6e1819815..353f20601051c90f887d04f35bea723b7bea1e29 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-36.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-36.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.66.36"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:c::24",
+      "kavlan-11": "2001:660:4406:58b:c::24",
+      "kavlan-12": "2001:660:4406:58c:c::24",
+      "kavlan-13": "2001:660:4406:58d:c::24",
+      "kavlan-14": "2001:660:4406:58e:c::24",
+      "kavlan-16": "2001:660:4406:590:c::24",
+      "kavlan-18": "2001:660:4406:592:c::24",
+      "kavlan-2": "2001:660:4406:582:c::24",
+      "kavlan-20": "2001:660:4406:594:c::24",
+      "kavlan-21": "2001:660:4406:595:c::24",
+      "kavlan-3": "2001:660:4406:583:c::24",
+      "kavlan-4": "2001:660:4406:584:c::24",
+      "kavlan-5": "2001:660:4406:585:c::24",
+      "kavlan-6": "2001:660:4406:586:c::24",
+      "kavlan-7": "2001:660:4406:587:c::24",
+      "kavlan-8": "2001:660:4406:588:c::24",
+      "kavlan-9": "2001:660:4406:589:c::24"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-37.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-37.json
index 72750a0d00dfaa6a1cb569772bfc05377d184d12..a4a3286809bf1da5c6d0375d0fc273e107a04498 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-37.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-37.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.66.37"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:c::25",
+      "kavlan-11": "2001:660:4406:58b:c::25",
+      "kavlan-12": "2001:660:4406:58c:c::25",
+      "kavlan-13": "2001:660:4406:58d:c::25",
+      "kavlan-14": "2001:660:4406:58e:c::25",
+      "kavlan-16": "2001:660:4406:590:c::25",
+      "kavlan-18": "2001:660:4406:592:c::25",
+      "kavlan-2": "2001:660:4406:582:c::25",
+      "kavlan-20": "2001:660:4406:594:c::25",
+      "kavlan-21": "2001:660:4406:595:c::25",
+      "kavlan-3": "2001:660:4406:583:c::25",
+      "kavlan-4": "2001:660:4406:584:c::25",
+      "kavlan-5": "2001:660:4406:585:c::25",
+      "kavlan-6": "2001:660:4406:586:c::25",
+      "kavlan-7": "2001:660:4406:587:c::25",
+      "kavlan-8": "2001:660:4406:588:c::25",
+      "kavlan-9": "2001:660:4406:589:c::25"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-38.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-38.json
index 03c21ab0ad83063397f16b67bbd50e6d8308a95f..772bae13a81d28e7996fe1a8d4f33e1da87652c9 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-38.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-38.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.66.38"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:c::26",
+      "kavlan-11": "2001:660:4406:58b:c::26",
+      "kavlan-12": "2001:660:4406:58c:c::26",
+      "kavlan-13": "2001:660:4406:58d:c::26",
+      "kavlan-14": "2001:660:4406:58e:c::26",
+      "kavlan-16": "2001:660:4406:590:c::26",
+      "kavlan-18": "2001:660:4406:592:c::26",
+      "kavlan-2": "2001:660:4406:582:c::26",
+      "kavlan-20": "2001:660:4406:594:c::26",
+      "kavlan-21": "2001:660:4406:595:c::26",
+      "kavlan-3": "2001:660:4406:583:c::26",
+      "kavlan-4": "2001:660:4406:584:c::26",
+      "kavlan-5": "2001:660:4406:585:c::26",
+      "kavlan-6": "2001:660:4406:586:c::26",
+      "kavlan-7": "2001:660:4406:587:c::26",
+      "kavlan-8": "2001:660:4406:588:c::26",
+      "kavlan-9": "2001:660:4406:589:c::26"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-39.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-39.json
index dc45abdcb2e06aeb9e4e526885d56dab041ae627..6c4b2bc80db84ce023725763b1e183261a784a5e 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-39.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-39.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.66.39"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:c::27",
+      "kavlan-11": "2001:660:4406:58b:c::27",
+      "kavlan-12": "2001:660:4406:58c:c::27",
+      "kavlan-13": "2001:660:4406:58d:c::27",
+      "kavlan-14": "2001:660:4406:58e:c::27",
+      "kavlan-16": "2001:660:4406:590:c::27",
+      "kavlan-18": "2001:660:4406:592:c::27",
+      "kavlan-2": "2001:660:4406:582:c::27",
+      "kavlan-20": "2001:660:4406:594:c::27",
+      "kavlan-21": "2001:660:4406:595:c::27",
+      "kavlan-3": "2001:660:4406:583:c::27",
+      "kavlan-4": "2001:660:4406:584:c::27",
+      "kavlan-5": "2001:660:4406:585:c::27",
+      "kavlan-6": "2001:660:4406:586:c::27",
+      "kavlan-7": "2001:660:4406:587:c::27",
+      "kavlan-8": "2001:660:4406:588:c::27",
+      "kavlan-9": "2001:660:4406:589:c::27"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-4.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-4.json
index f6e1502654a7b794975e9dd41df214d3334ed0b4..6e78cafa7bfc0ba146d6dd2be45b748ce2932793 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-4.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-4.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.66.4"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:c::4",
+      "kavlan-11": "2001:660:4406:58b:c::4",
+      "kavlan-12": "2001:660:4406:58c:c::4",
+      "kavlan-13": "2001:660:4406:58d:c::4",
+      "kavlan-14": "2001:660:4406:58e:c::4",
+      "kavlan-16": "2001:660:4406:590:c::4",
+      "kavlan-18": "2001:660:4406:592:c::4",
+      "kavlan-2": "2001:660:4406:582:c::4",
+      "kavlan-20": "2001:660:4406:594:c::4",
+      "kavlan-21": "2001:660:4406:595:c::4",
+      "kavlan-3": "2001:660:4406:583:c::4",
+      "kavlan-4": "2001:660:4406:584:c::4",
+      "kavlan-5": "2001:660:4406:585:c::4",
+      "kavlan-6": "2001:660:4406:586:c::4",
+      "kavlan-7": "2001:660:4406:587:c::4",
+      "kavlan-8": "2001:660:4406:588:c::4",
+      "kavlan-9": "2001:660:4406:589:c::4"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-40.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-40.json
index 3709d51b12c053ea5fc4d72e26396fee56308a63..4bf0e9dd8854da2bc6820e6d02f42980867b84c4 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-40.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-40.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.66.40"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:c::28",
+      "kavlan-11": "2001:660:4406:58b:c::28",
+      "kavlan-12": "2001:660:4406:58c:c::28",
+      "kavlan-13": "2001:660:4406:58d:c::28",
+      "kavlan-14": "2001:660:4406:58e:c::28",
+      "kavlan-16": "2001:660:4406:590:c::28",
+      "kavlan-18": "2001:660:4406:592:c::28",
+      "kavlan-2": "2001:660:4406:582:c::28",
+      "kavlan-20": "2001:660:4406:594:c::28",
+      "kavlan-21": "2001:660:4406:595:c::28",
+      "kavlan-3": "2001:660:4406:583:c::28",
+      "kavlan-4": "2001:660:4406:584:c::28",
+      "kavlan-5": "2001:660:4406:585:c::28",
+      "kavlan-6": "2001:660:4406:586:c::28",
+      "kavlan-7": "2001:660:4406:587:c::28",
+      "kavlan-8": "2001:660:4406:588:c::28",
+      "kavlan-9": "2001:660:4406:589:c::28"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-41.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-41.json
index b21b17c1d8c56028e6f47496adc00836bc311adc..6260ef597e6181dc975324f57f4cabeb4bb543b6 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-41.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-41.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.66.41"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:c::29",
+      "kavlan-11": "2001:660:4406:58b:c::29",
+      "kavlan-12": "2001:660:4406:58c:c::29",
+      "kavlan-13": "2001:660:4406:58d:c::29",
+      "kavlan-14": "2001:660:4406:58e:c::29",
+      "kavlan-16": "2001:660:4406:590:c::29",
+      "kavlan-18": "2001:660:4406:592:c::29",
+      "kavlan-2": "2001:660:4406:582:c::29",
+      "kavlan-20": "2001:660:4406:594:c::29",
+      "kavlan-21": "2001:660:4406:595:c::29",
+      "kavlan-3": "2001:660:4406:583:c::29",
+      "kavlan-4": "2001:660:4406:584:c::29",
+      "kavlan-5": "2001:660:4406:585:c::29",
+      "kavlan-6": "2001:660:4406:586:c::29",
+      "kavlan-7": "2001:660:4406:587:c::29",
+      "kavlan-8": "2001:660:4406:588:c::29",
+      "kavlan-9": "2001:660:4406:589:c::29"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-42.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-42.json
index 3bf9639835fb44bcf5218f525b86ece7a7807512..09764141cc5100139853c11161e83e7c2a2ddd74 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-42.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-42.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.66.42"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:c::2a",
+      "kavlan-11": "2001:660:4406:58b:c::2a",
+      "kavlan-12": "2001:660:4406:58c:c::2a",
+      "kavlan-13": "2001:660:4406:58d:c::2a",
+      "kavlan-14": "2001:660:4406:58e:c::2a",
+      "kavlan-16": "2001:660:4406:590:c::2a",
+      "kavlan-18": "2001:660:4406:592:c::2a",
+      "kavlan-2": "2001:660:4406:582:c::2a",
+      "kavlan-20": "2001:660:4406:594:c::2a",
+      "kavlan-21": "2001:660:4406:595:c::2a",
+      "kavlan-3": "2001:660:4406:583:c::2a",
+      "kavlan-4": "2001:660:4406:584:c::2a",
+      "kavlan-5": "2001:660:4406:585:c::2a",
+      "kavlan-6": "2001:660:4406:586:c::2a",
+      "kavlan-7": "2001:660:4406:587:c::2a",
+      "kavlan-8": "2001:660:4406:588:c::2a",
+      "kavlan-9": "2001:660:4406:589:c::2a"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-43.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-43.json
index fca2604b0124d07bdc79b62e5e3bd72dabe68612..87eb7795ac7355538f28703e6ab20b34d5dbc2b8 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-43.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-43.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.66.43"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:c::2b",
+      "kavlan-11": "2001:660:4406:58b:c::2b",
+      "kavlan-12": "2001:660:4406:58c:c::2b",
+      "kavlan-13": "2001:660:4406:58d:c::2b",
+      "kavlan-14": "2001:660:4406:58e:c::2b",
+      "kavlan-16": "2001:660:4406:590:c::2b",
+      "kavlan-18": "2001:660:4406:592:c::2b",
+      "kavlan-2": "2001:660:4406:582:c::2b",
+      "kavlan-20": "2001:660:4406:594:c::2b",
+      "kavlan-21": "2001:660:4406:595:c::2b",
+      "kavlan-3": "2001:660:4406:583:c::2b",
+      "kavlan-4": "2001:660:4406:584:c::2b",
+      "kavlan-5": "2001:660:4406:585:c::2b",
+      "kavlan-6": "2001:660:4406:586:c::2b",
+      "kavlan-7": "2001:660:4406:587:c::2b",
+      "kavlan-8": "2001:660:4406:588:c::2b",
+      "kavlan-9": "2001:660:4406:589:c::2b"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-44.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-44.json
index 0e909debb87337525b1f778129d2849f531d6ac0..2e499c204a7370ed09d47dc78eba16eebfeef59d 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-44.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-44.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.66.44"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:c::2c",
+      "kavlan-11": "2001:660:4406:58b:c::2c",
+      "kavlan-12": "2001:660:4406:58c:c::2c",
+      "kavlan-13": "2001:660:4406:58d:c::2c",
+      "kavlan-14": "2001:660:4406:58e:c::2c",
+      "kavlan-16": "2001:660:4406:590:c::2c",
+      "kavlan-18": "2001:660:4406:592:c::2c",
+      "kavlan-2": "2001:660:4406:582:c::2c",
+      "kavlan-20": "2001:660:4406:594:c::2c",
+      "kavlan-21": "2001:660:4406:595:c::2c",
+      "kavlan-3": "2001:660:4406:583:c::2c",
+      "kavlan-4": "2001:660:4406:584:c::2c",
+      "kavlan-5": "2001:660:4406:585:c::2c",
+      "kavlan-6": "2001:660:4406:586:c::2c",
+      "kavlan-7": "2001:660:4406:587:c::2c",
+      "kavlan-8": "2001:660:4406:588:c::2c",
+      "kavlan-9": "2001:660:4406:589:c::2c"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-45.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-45.json
index a5d51e5a39ee1e024613aa91b3bcaf3c7b094e08..4d0f4ec07db06d18d8e61a9ecb9ebde427b9dc22 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-45.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-45.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.66.45"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:c::2d",
+      "kavlan-11": "2001:660:4406:58b:c::2d",
+      "kavlan-12": "2001:660:4406:58c:c::2d",
+      "kavlan-13": "2001:660:4406:58d:c::2d",
+      "kavlan-14": "2001:660:4406:58e:c::2d",
+      "kavlan-16": "2001:660:4406:590:c::2d",
+      "kavlan-18": "2001:660:4406:592:c::2d",
+      "kavlan-2": "2001:660:4406:582:c::2d",
+      "kavlan-20": "2001:660:4406:594:c::2d",
+      "kavlan-21": "2001:660:4406:595:c::2d",
+      "kavlan-3": "2001:660:4406:583:c::2d",
+      "kavlan-4": "2001:660:4406:584:c::2d",
+      "kavlan-5": "2001:660:4406:585:c::2d",
+      "kavlan-6": "2001:660:4406:586:c::2d",
+      "kavlan-7": "2001:660:4406:587:c::2d",
+      "kavlan-8": "2001:660:4406:588:c::2d",
+      "kavlan-9": "2001:660:4406:589:c::2d"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-46.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-46.json
index 16af33df6afba728b056e4c8738c7a46638ab036..c02293db452b46e7667d597e6e953af15caf2bd6 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-46.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-46.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.66.46"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:c::2e",
+      "kavlan-11": "2001:660:4406:58b:c::2e",
+      "kavlan-12": "2001:660:4406:58c:c::2e",
+      "kavlan-13": "2001:660:4406:58d:c::2e",
+      "kavlan-14": "2001:660:4406:58e:c::2e",
+      "kavlan-16": "2001:660:4406:590:c::2e",
+      "kavlan-18": "2001:660:4406:592:c::2e",
+      "kavlan-2": "2001:660:4406:582:c::2e",
+      "kavlan-20": "2001:660:4406:594:c::2e",
+      "kavlan-21": "2001:660:4406:595:c::2e",
+      "kavlan-3": "2001:660:4406:583:c::2e",
+      "kavlan-4": "2001:660:4406:584:c::2e",
+      "kavlan-5": "2001:660:4406:585:c::2e",
+      "kavlan-6": "2001:660:4406:586:c::2e",
+      "kavlan-7": "2001:660:4406:587:c::2e",
+      "kavlan-8": "2001:660:4406:588:c::2e",
+      "kavlan-9": "2001:660:4406:589:c::2e"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-47.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-47.json
index 610bcdb74789b2f99f5d37c68510c2ff8c3d3747..7836d27bb8b433700984451dcd589aec7c3391d9 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-47.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-47.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.66.47"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:c::2f",
+      "kavlan-11": "2001:660:4406:58b:c::2f",
+      "kavlan-12": "2001:660:4406:58c:c::2f",
+      "kavlan-13": "2001:660:4406:58d:c::2f",
+      "kavlan-14": "2001:660:4406:58e:c::2f",
+      "kavlan-16": "2001:660:4406:590:c::2f",
+      "kavlan-18": "2001:660:4406:592:c::2f",
+      "kavlan-2": "2001:660:4406:582:c::2f",
+      "kavlan-20": "2001:660:4406:594:c::2f",
+      "kavlan-21": "2001:660:4406:595:c::2f",
+      "kavlan-3": "2001:660:4406:583:c::2f",
+      "kavlan-4": "2001:660:4406:584:c::2f",
+      "kavlan-5": "2001:660:4406:585:c::2f",
+      "kavlan-6": "2001:660:4406:586:c::2f",
+      "kavlan-7": "2001:660:4406:587:c::2f",
+      "kavlan-8": "2001:660:4406:588:c::2f",
+      "kavlan-9": "2001:660:4406:589:c::2f"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-48.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-48.json
index 969631b6058d895d512a0a2b561a30ec1cb5928c..9ddd2f7090e16771961d02e0df2b62c2453437e7 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-48.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-48.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.66.48"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:c::30",
+      "kavlan-11": "2001:660:4406:58b:c::30",
+      "kavlan-12": "2001:660:4406:58c:c::30",
+      "kavlan-13": "2001:660:4406:58d:c::30",
+      "kavlan-14": "2001:660:4406:58e:c::30",
+      "kavlan-16": "2001:660:4406:590:c::30",
+      "kavlan-18": "2001:660:4406:592:c::30",
+      "kavlan-2": "2001:660:4406:582:c::30",
+      "kavlan-20": "2001:660:4406:594:c::30",
+      "kavlan-21": "2001:660:4406:595:c::30",
+      "kavlan-3": "2001:660:4406:583:c::30",
+      "kavlan-4": "2001:660:4406:584:c::30",
+      "kavlan-5": "2001:660:4406:585:c::30",
+      "kavlan-6": "2001:660:4406:586:c::30",
+      "kavlan-7": "2001:660:4406:587:c::30",
+      "kavlan-8": "2001:660:4406:588:c::30",
+      "kavlan-9": "2001:660:4406:589:c::30"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-5.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-5.json
index eeab7644688098fbfd3010ca5487fd36b7f4fa0a..85c9f5eb8497288ab32b8db40793ed73ef3cd81e 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-5.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-5.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.66.5"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:c::5",
+      "kavlan-11": "2001:660:4406:58b:c::5",
+      "kavlan-12": "2001:660:4406:58c:c::5",
+      "kavlan-13": "2001:660:4406:58d:c::5",
+      "kavlan-14": "2001:660:4406:58e:c::5",
+      "kavlan-16": "2001:660:4406:590:c::5",
+      "kavlan-18": "2001:660:4406:592:c::5",
+      "kavlan-2": "2001:660:4406:582:c::5",
+      "kavlan-20": "2001:660:4406:594:c::5",
+      "kavlan-21": "2001:660:4406:595:c::5",
+      "kavlan-3": "2001:660:4406:583:c::5",
+      "kavlan-4": "2001:660:4406:584:c::5",
+      "kavlan-5": "2001:660:4406:585:c::5",
+      "kavlan-6": "2001:660:4406:586:c::5",
+      "kavlan-7": "2001:660:4406:587:c::5",
+      "kavlan-8": "2001:660:4406:588:c::5",
+      "kavlan-9": "2001:660:4406:589:c::5"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-6.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-6.json
index ec1e40663511ca4655a84c0f7d896c74fc076298..82071c34aa6bab4678e103ea57cfa8946d11b40d 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-6.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-6.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.66.6"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:c::6",
+      "kavlan-11": "2001:660:4406:58b:c::6",
+      "kavlan-12": "2001:660:4406:58c:c::6",
+      "kavlan-13": "2001:660:4406:58d:c::6",
+      "kavlan-14": "2001:660:4406:58e:c::6",
+      "kavlan-16": "2001:660:4406:590:c::6",
+      "kavlan-18": "2001:660:4406:592:c::6",
+      "kavlan-2": "2001:660:4406:582:c::6",
+      "kavlan-20": "2001:660:4406:594:c::6",
+      "kavlan-21": "2001:660:4406:595:c::6",
+      "kavlan-3": "2001:660:4406:583:c::6",
+      "kavlan-4": "2001:660:4406:584:c::6",
+      "kavlan-5": "2001:660:4406:585:c::6",
+      "kavlan-6": "2001:660:4406:586:c::6",
+      "kavlan-7": "2001:660:4406:587:c::6",
+      "kavlan-8": "2001:660:4406:588:c::6",
+      "kavlan-9": "2001:660:4406:589:c::6"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-7.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-7.json
index fc84944cae2dccc70fe4fb9732bb87a3f3009823..c54fe8f9bac86d7170c22540ca04608748158448 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-7.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-7.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.66.7"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:c::7",
+      "kavlan-11": "2001:660:4406:58b:c::7",
+      "kavlan-12": "2001:660:4406:58c:c::7",
+      "kavlan-13": "2001:660:4406:58d:c::7",
+      "kavlan-14": "2001:660:4406:58e:c::7",
+      "kavlan-16": "2001:660:4406:590:c::7",
+      "kavlan-18": "2001:660:4406:592:c::7",
+      "kavlan-2": "2001:660:4406:582:c::7",
+      "kavlan-20": "2001:660:4406:594:c::7",
+      "kavlan-21": "2001:660:4406:595:c::7",
+      "kavlan-3": "2001:660:4406:583:c::7",
+      "kavlan-4": "2001:660:4406:584:c::7",
+      "kavlan-5": "2001:660:4406:585:c::7",
+      "kavlan-6": "2001:660:4406:586:c::7",
+      "kavlan-7": "2001:660:4406:587:c::7",
+      "kavlan-8": "2001:660:4406:588:c::7",
+      "kavlan-9": "2001:660:4406:589:c::7"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-8.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-8.json
index 324313714421ce94b6f5f33dc713a3ed35dd9679..9d0db2b23051c96933f8bc041297af4130a65930 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-8.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-8.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.66.8"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:c::8",
+      "kavlan-11": "2001:660:4406:58b:c::8",
+      "kavlan-12": "2001:660:4406:58c:c::8",
+      "kavlan-13": "2001:660:4406:58d:c::8",
+      "kavlan-14": "2001:660:4406:58e:c::8",
+      "kavlan-16": "2001:660:4406:590:c::8",
+      "kavlan-18": "2001:660:4406:592:c::8",
+      "kavlan-2": "2001:660:4406:582:c::8",
+      "kavlan-20": "2001:660:4406:594:c::8",
+      "kavlan-21": "2001:660:4406:595:c::8",
+      "kavlan-3": "2001:660:4406:583:c::8",
+      "kavlan-4": "2001:660:4406:584:c::8",
+      "kavlan-5": "2001:660:4406:585:c::8",
+      "kavlan-6": "2001:660:4406:586:c::8",
+      "kavlan-7": "2001:660:4406:587:c::8",
+      "kavlan-8": "2001:660:4406:588:c::8",
+      "kavlan-9": "2001:660:4406:589:c::8"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-9.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-9.json
index e3378934b619efeb35d09ee05916095a4e405d29..85ff47a21b31fe8b49309b404990a2db081b0648 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-9.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-9.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.66.9"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:c::9",
+      "kavlan-11": "2001:660:4406:58b:c::9",
+      "kavlan-12": "2001:660:4406:58c:c::9",
+      "kavlan-13": "2001:660:4406:58d:c::9",
+      "kavlan-14": "2001:660:4406:58e:c::9",
+      "kavlan-16": "2001:660:4406:590:c::9",
+      "kavlan-18": "2001:660:4406:592:c::9",
+      "kavlan-2": "2001:660:4406:582:c::9",
+      "kavlan-20": "2001:660:4406:594:c::9",
+      "kavlan-21": "2001:660:4406:595:c::9",
+      "kavlan-3": "2001:660:4406:583:c::9",
+      "kavlan-4": "2001:660:4406:584:c::9",
+      "kavlan-5": "2001:660:4406:585:c::9",
+      "kavlan-6": "2001:660:4406:586:c::9",
+      "kavlan-7": "2001:660:4406:587:c::9",
+      "kavlan-8": "2001:660:4406:588:c::9",
+      "kavlan-9": "2001:660:4406:589:c::9"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nancy/clusters/grele/nodes/grele-1.json b/data/grid5000/sites/nancy/clusters/grele/nodes/grele-1.json
index 8eb9b6c43527d5f9812f6149c492f566e5c25678..e4259bce3c91abbbc91b1400238c25fa1330b854 100644
--- a/data/grid5000/sites/nancy/clusters/grele/nodes/grele-1.json
+++ b/data/grid5000/sites/nancy/clusters/grele/nodes/grele-1.json
@@ -58,6 +58,27 @@
       "kavlan-9": "10.17.75.1"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:b::1",
+      "kavlan-11": "2001:660:4406:58b:b::1",
+      "kavlan-12": "2001:660:4406:58c:b::1",
+      "kavlan-13": "2001:660:4406:58d:b::1",
+      "kavlan-14": "2001:660:4406:58e:b::1",
+      "kavlan-16": "2001:660:4406:590:b::1",
+      "kavlan-18": "2001:660:4406:592:b::1",
+      "kavlan-2": "2001:660:4406:582:b::1",
+      "kavlan-20": "2001:660:4406:594:b::1",
+      "kavlan-21": "2001:660:4406:595:b::1",
+      "kavlan-3": "2001:660:4406:583:b::1",
+      "kavlan-4": "2001:660:4406:584:b::1",
+      "kavlan-5": "2001:660:4406:585:b::1",
+      "kavlan-6": "2001:660:4406:586:b::1",
+      "kavlan-7": "2001:660:4406:587:b::1",
+      "kavlan-8": "2001:660:4406:588:b::1",
+      "kavlan-9": "2001:660:4406:589:b::1"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
diff --git a/data/grid5000/sites/nancy/clusters/grele/nodes/grele-10.json b/data/grid5000/sites/nancy/clusters/grele/nodes/grele-10.json
index a26444a44a7eb0e8d2bb9db8ef912af83af422e8..cd25d23cbacd0f21b0fab07b353520d65447f4fa 100644
--- a/data/grid5000/sites/nancy/clusters/grele/nodes/grele-10.json
+++ b/data/grid5000/sites/nancy/clusters/grele/nodes/grele-10.json
@@ -58,6 +58,27 @@
       "kavlan-9": "10.17.75.10"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:b::a",
+      "kavlan-11": "2001:660:4406:58b:b::a",
+      "kavlan-12": "2001:660:4406:58c:b::a",
+      "kavlan-13": "2001:660:4406:58d:b::a",
+      "kavlan-14": "2001:660:4406:58e:b::a",
+      "kavlan-16": "2001:660:4406:590:b::a",
+      "kavlan-18": "2001:660:4406:592:b::a",
+      "kavlan-2": "2001:660:4406:582:b::a",
+      "kavlan-20": "2001:660:4406:594:b::a",
+      "kavlan-21": "2001:660:4406:595:b::a",
+      "kavlan-3": "2001:660:4406:583:b::a",
+      "kavlan-4": "2001:660:4406:584:b::a",
+      "kavlan-5": "2001:660:4406:585:b::a",
+      "kavlan-6": "2001:660:4406:586:b::a",
+      "kavlan-7": "2001:660:4406:587:b::a",
+      "kavlan-8": "2001:660:4406:588:b::a",
+      "kavlan-9": "2001:660:4406:589:b::a"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
diff --git a/data/grid5000/sites/nancy/clusters/grele/nodes/grele-11.json b/data/grid5000/sites/nancy/clusters/grele/nodes/grele-11.json
index 58bf3dff021fcc2b82a96f54f9b7691e2565b008..f27967bac2c08d18a3fd2c2bf6c50c8acb3773e6 100644
--- a/data/grid5000/sites/nancy/clusters/grele/nodes/grele-11.json
+++ b/data/grid5000/sites/nancy/clusters/grele/nodes/grele-11.json
@@ -58,6 +58,27 @@
       "kavlan-9": "10.17.75.11"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:b::b",
+      "kavlan-11": "2001:660:4406:58b:b::b",
+      "kavlan-12": "2001:660:4406:58c:b::b",
+      "kavlan-13": "2001:660:4406:58d:b::b",
+      "kavlan-14": "2001:660:4406:58e:b::b",
+      "kavlan-16": "2001:660:4406:590:b::b",
+      "kavlan-18": "2001:660:4406:592:b::b",
+      "kavlan-2": "2001:660:4406:582:b::b",
+      "kavlan-20": "2001:660:4406:594:b::b",
+      "kavlan-21": "2001:660:4406:595:b::b",
+      "kavlan-3": "2001:660:4406:583:b::b",
+      "kavlan-4": "2001:660:4406:584:b::b",
+      "kavlan-5": "2001:660:4406:585:b::b",
+      "kavlan-6": "2001:660:4406:586:b::b",
+      "kavlan-7": "2001:660:4406:587:b::b",
+      "kavlan-8": "2001:660:4406:588:b::b",
+      "kavlan-9": "2001:660:4406:589:b::b"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
diff --git a/data/grid5000/sites/nancy/clusters/grele/nodes/grele-12.json b/data/grid5000/sites/nancy/clusters/grele/nodes/grele-12.json
index 6ace2d5d1da195a085985884ceb2e7d7bb4ed960..ab74b7de417e506e31f80d74c10bf8c10f9e4403 100644
--- a/data/grid5000/sites/nancy/clusters/grele/nodes/grele-12.json
+++ b/data/grid5000/sites/nancy/clusters/grele/nodes/grele-12.json
@@ -58,6 +58,27 @@
       "kavlan-9": "10.17.75.12"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:b::c",
+      "kavlan-11": "2001:660:4406:58b:b::c",
+      "kavlan-12": "2001:660:4406:58c:b::c",
+      "kavlan-13": "2001:660:4406:58d:b::c",
+      "kavlan-14": "2001:660:4406:58e:b::c",
+      "kavlan-16": "2001:660:4406:590:b::c",
+      "kavlan-18": "2001:660:4406:592:b::c",
+      "kavlan-2": "2001:660:4406:582:b::c",
+      "kavlan-20": "2001:660:4406:594:b::c",
+      "kavlan-21": "2001:660:4406:595:b::c",
+      "kavlan-3": "2001:660:4406:583:b::c",
+      "kavlan-4": "2001:660:4406:584:b::c",
+      "kavlan-5": "2001:660:4406:585:b::c",
+      "kavlan-6": "2001:660:4406:586:b::c",
+      "kavlan-7": "2001:660:4406:587:b::c",
+      "kavlan-8": "2001:660:4406:588:b::c",
+      "kavlan-9": "2001:660:4406:589:b::c"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
diff --git a/data/grid5000/sites/nancy/clusters/grele/nodes/grele-13.json b/data/grid5000/sites/nancy/clusters/grele/nodes/grele-13.json
index 740da122d9d795e07f581b071532939f992eda4c..7c33443598437ccf8da2fb95f178d9e7c69d1b40 100644
--- a/data/grid5000/sites/nancy/clusters/grele/nodes/grele-13.json
+++ b/data/grid5000/sites/nancy/clusters/grele/nodes/grele-13.json
@@ -58,6 +58,27 @@
       "kavlan-9": "10.17.75.13"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:b::d",
+      "kavlan-11": "2001:660:4406:58b:b::d",
+      "kavlan-12": "2001:660:4406:58c:b::d",
+      "kavlan-13": "2001:660:4406:58d:b::d",
+      "kavlan-14": "2001:660:4406:58e:b::d",
+      "kavlan-16": "2001:660:4406:590:b::d",
+      "kavlan-18": "2001:660:4406:592:b::d",
+      "kavlan-2": "2001:660:4406:582:b::d",
+      "kavlan-20": "2001:660:4406:594:b::d",
+      "kavlan-21": "2001:660:4406:595:b::d",
+      "kavlan-3": "2001:660:4406:583:b::d",
+      "kavlan-4": "2001:660:4406:584:b::d",
+      "kavlan-5": "2001:660:4406:585:b::d",
+      "kavlan-6": "2001:660:4406:586:b::d",
+      "kavlan-7": "2001:660:4406:587:b::d",
+      "kavlan-8": "2001:660:4406:588:b::d",
+      "kavlan-9": "2001:660:4406:589:b::d"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
diff --git a/data/grid5000/sites/nancy/clusters/grele/nodes/grele-14.json b/data/grid5000/sites/nancy/clusters/grele/nodes/grele-14.json
index 8abbc3b30bde26a777f8a4b93d0532a4ef52c1ca..bf15ae96a01bcf17a33c5e87a7b684918c70f60e 100644
--- a/data/grid5000/sites/nancy/clusters/grele/nodes/grele-14.json
+++ b/data/grid5000/sites/nancy/clusters/grele/nodes/grele-14.json
@@ -58,6 +58,27 @@
       "kavlan-9": "10.17.75.14"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:b::e",
+      "kavlan-11": "2001:660:4406:58b:b::e",
+      "kavlan-12": "2001:660:4406:58c:b::e",
+      "kavlan-13": "2001:660:4406:58d:b::e",
+      "kavlan-14": "2001:660:4406:58e:b::e",
+      "kavlan-16": "2001:660:4406:590:b::e",
+      "kavlan-18": "2001:660:4406:592:b::e",
+      "kavlan-2": "2001:660:4406:582:b::e",
+      "kavlan-20": "2001:660:4406:594:b::e",
+      "kavlan-21": "2001:660:4406:595:b::e",
+      "kavlan-3": "2001:660:4406:583:b::e",
+      "kavlan-4": "2001:660:4406:584:b::e",
+      "kavlan-5": "2001:660:4406:585:b::e",
+      "kavlan-6": "2001:660:4406:586:b::e",
+      "kavlan-7": "2001:660:4406:587:b::e",
+      "kavlan-8": "2001:660:4406:588:b::e",
+      "kavlan-9": "2001:660:4406:589:b::e"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
diff --git a/data/grid5000/sites/nancy/clusters/grele/nodes/grele-2.json b/data/grid5000/sites/nancy/clusters/grele/nodes/grele-2.json
index 81264b3c8821520527d0f2ee92cdb06ae6a668fe..cbd5e7ee233607ae3f4a5f8e789477564dbc53e0 100644
--- a/data/grid5000/sites/nancy/clusters/grele/nodes/grele-2.json
+++ b/data/grid5000/sites/nancy/clusters/grele/nodes/grele-2.json
@@ -58,6 +58,27 @@
       "kavlan-9": "10.17.75.2"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:b::2",
+      "kavlan-11": "2001:660:4406:58b:b::2",
+      "kavlan-12": "2001:660:4406:58c:b::2",
+      "kavlan-13": "2001:660:4406:58d:b::2",
+      "kavlan-14": "2001:660:4406:58e:b::2",
+      "kavlan-16": "2001:660:4406:590:b::2",
+      "kavlan-18": "2001:660:4406:592:b::2",
+      "kavlan-2": "2001:660:4406:582:b::2",
+      "kavlan-20": "2001:660:4406:594:b::2",
+      "kavlan-21": "2001:660:4406:595:b::2",
+      "kavlan-3": "2001:660:4406:583:b::2",
+      "kavlan-4": "2001:660:4406:584:b::2",
+      "kavlan-5": "2001:660:4406:585:b::2",
+      "kavlan-6": "2001:660:4406:586:b::2",
+      "kavlan-7": "2001:660:4406:587:b::2",
+      "kavlan-8": "2001:660:4406:588:b::2",
+      "kavlan-9": "2001:660:4406:589:b::2"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
diff --git a/data/grid5000/sites/nancy/clusters/grele/nodes/grele-3.json b/data/grid5000/sites/nancy/clusters/grele/nodes/grele-3.json
index 5dd0fc12b698427507e66139fc179e7ce5f28645..a4529818f339f0e6658c6ee2cce3439b29110292 100644
--- a/data/grid5000/sites/nancy/clusters/grele/nodes/grele-3.json
+++ b/data/grid5000/sites/nancy/clusters/grele/nodes/grele-3.json
@@ -58,6 +58,27 @@
       "kavlan-9": "10.17.75.3"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:b::3",
+      "kavlan-11": "2001:660:4406:58b:b::3",
+      "kavlan-12": "2001:660:4406:58c:b::3",
+      "kavlan-13": "2001:660:4406:58d:b::3",
+      "kavlan-14": "2001:660:4406:58e:b::3",
+      "kavlan-16": "2001:660:4406:590:b::3",
+      "kavlan-18": "2001:660:4406:592:b::3",
+      "kavlan-2": "2001:660:4406:582:b::3",
+      "kavlan-20": "2001:660:4406:594:b::3",
+      "kavlan-21": "2001:660:4406:595:b::3",
+      "kavlan-3": "2001:660:4406:583:b::3",
+      "kavlan-4": "2001:660:4406:584:b::3",
+      "kavlan-5": "2001:660:4406:585:b::3",
+      "kavlan-6": "2001:660:4406:586:b::3",
+      "kavlan-7": "2001:660:4406:587:b::3",
+      "kavlan-8": "2001:660:4406:588:b::3",
+      "kavlan-9": "2001:660:4406:589:b::3"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
diff --git a/data/grid5000/sites/nancy/clusters/grele/nodes/grele-4.json b/data/grid5000/sites/nancy/clusters/grele/nodes/grele-4.json
index bb98593a96ecf8c266dac6b79caed72d0b3e07ea..666efeb9ef6c6928818e0905248f68078cb2c6f4 100644
--- a/data/grid5000/sites/nancy/clusters/grele/nodes/grele-4.json
+++ b/data/grid5000/sites/nancy/clusters/grele/nodes/grele-4.json
@@ -58,6 +58,27 @@
       "kavlan-9": "10.17.75.4"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:b::4",
+      "kavlan-11": "2001:660:4406:58b:b::4",
+      "kavlan-12": "2001:660:4406:58c:b::4",
+      "kavlan-13": "2001:660:4406:58d:b::4",
+      "kavlan-14": "2001:660:4406:58e:b::4",
+      "kavlan-16": "2001:660:4406:590:b::4",
+      "kavlan-18": "2001:660:4406:592:b::4",
+      "kavlan-2": "2001:660:4406:582:b::4",
+      "kavlan-20": "2001:660:4406:594:b::4",
+      "kavlan-21": "2001:660:4406:595:b::4",
+      "kavlan-3": "2001:660:4406:583:b::4",
+      "kavlan-4": "2001:660:4406:584:b::4",
+      "kavlan-5": "2001:660:4406:585:b::4",
+      "kavlan-6": "2001:660:4406:586:b::4",
+      "kavlan-7": "2001:660:4406:587:b::4",
+      "kavlan-8": "2001:660:4406:588:b::4",
+      "kavlan-9": "2001:660:4406:589:b::4"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
diff --git a/data/grid5000/sites/nancy/clusters/grele/nodes/grele-5.json b/data/grid5000/sites/nancy/clusters/grele/nodes/grele-5.json
index c8781faae14ca439f2b9ea8c554387ca0b66e7ee..adaad09a68921f192772870c6a3d4a850cef7cb1 100644
--- a/data/grid5000/sites/nancy/clusters/grele/nodes/grele-5.json
+++ b/data/grid5000/sites/nancy/clusters/grele/nodes/grele-5.json
@@ -58,6 +58,27 @@
       "kavlan-9": "10.17.75.5"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:b::5",
+      "kavlan-11": "2001:660:4406:58b:b::5",
+      "kavlan-12": "2001:660:4406:58c:b::5",
+      "kavlan-13": "2001:660:4406:58d:b::5",
+      "kavlan-14": "2001:660:4406:58e:b::5",
+      "kavlan-16": "2001:660:4406:590:b::5",
+      "kavlan-18": "2001:660:4406:592:b::5",
+      "kavlan-2": "2001:660:4406:582:b::5",
+      "kavlan-20": "2001:660:4406:594:b::5",
+      "kavlan-21": "2001:660:4406:595:b::5",
+      "kavlan-3": "2001:660:4406:583:b::5",
+      "kavlan-4": "2001:660:4406:584:b::5",
+      "kavlan-5": "2001:660:4406:585:b::5",
+      "kavlan-6": "2001:660:4406:586:b::5",
+      "kavlan-7": "2001:660:4406:587:b::5",
+      "kavlan-8": "2001:660:4406:588:b::5",
+      "kavlan-9": "2001:660:4406:589:b::5"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
diff --git a/data/grid5000/sites/nancy/clusters/grele/nodes/grele-6.json b/data/grid5000/sites/nancy/clusters/grele/nodes/grele-6.json
index 627eb7dc9818165740aa63d727e9b73ec6e57ed4..5488c73af4e67ec1740c6621846d906c29825df7 100644
--- a/data/grid5000/sites/nancy/clusters/grele/nodes/grele-6.json
+++ b/data/grid5000/sites/nancy/clusters/grele/nodes/grele-6.json
@@ -58,6 +58,27 @@
       "kavlan-9": "10.17.75.6"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:b::6",
+      "kavlan-11": "2001:660:4406:58b:b::6",
+      "kavlan-12": "2001:660:4406:58c:b::6",
+      "kavlan-13": "2001:660:4406:58d:b::6",
+      "kavlan-14": "2001:660:4406:58e:b::6",
+      "kavlan-16": "2001:660:4406:590:b::6",
+      "kavlan-18": "2001:660:4406:592:b::6",
+      "kavlan-2": "2001:660:4406:582:b::6",
+      "kavlan-20": "2001:660:4406:594:b::6",
+      "kavlan-21": "2001:660:4406:595:b::6",
+      "kavlan-3": "2001:660:4406:583:b::6",
+      "kavlan-4": "2001:660:4406:584:b::6",
+      "kavlan-5": "2001:660:4406:585:b::6",
+      "kavlan-6": "2001:660:4406:586:b::6",
+      "kavlan-7": "2001:660:4406:587:b::6",
+      "kavlan-8": "2001:660:4406:588:b::6",
+      "kavlan-9": "2001:660:4406:589:b::6"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
diff --git a/data/grid5000/sites/nancy/clusters/grele/nodes/grele-7.json b/data/grid5000/sites/nancy/clusters/grele/nodes/grele-7.json
index e5bdd1611979cfdb348fb781c1429ed85c2cdda1..1c2b20faebf19a62f8d8a5071bb02317ca7fcc5f 100644
--- a/data/grid5000/sites/nancy/clusters/grele/nodes/grele-7.json
+++ b/data/grid5000/sites/nancy/clusters/grele/nodes/grele-7.json
@@ -58,6 +58,27 @@
       "kavlan-9": "10.17.75.7"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:b::7",
+      "kavlan-11": "2001:660:4406:58b:b::7",
+      "kavlan-12": "2001:660:4406:58c:b::7",
+      "kavlan-13": "2001:660:4406:58d:b::7",
+      "kavlan-14": "2001:660:4406:58e:b::7",
+      "kavlan-16": "2001:660:4406:590:b::7",
+      "kavlan-18": "2001:660:4406:592:b::7",
+      "kavlan-2": "2001:660:4406:582:b::7",
+      "kavlan-20": "2001:660:4406:594:b::7",
+      "kavlan-21": "2001:660:4406:595:b::7",
+      "kavlan-3": "2001:660:4406:583:b::7",
+      "kavlan-4": "2001:660:4406:584:b::7",
+      "kavlan-5": "2001:660:4406:585:b::7",
+      "kavlan-6": "2001:660:4406:586:b::7",
+      "kavlan-7": "2001:660:4406:587:b::7",
+      "kavlan-8": "2001:660:4406:588:b::7",
+      "kavlan-9": "2001:660:4406:589:b::7"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
diff --git a/data/grid5000/sites/nancy/clusters/grele/nodes/grele-8.json b/data/grid5000/sites/nancy/clusters/grele/nodes/grele-8.json
index e95d16ea9a6b4aacb184dce2cf8c623ddaa1d755..d69083739dd04255db881f2a002d104a2b9d2434 100644
--- a/data/grid5000/sites/nancy/clusters/grele/nodes/grele-8.json
+++ b/data/grid5000/sites/nancy/clusters/grele/nodes/grele-8.json
@@ -58,6 +58,27 @@
       "kavlan-9": "10.17.75.8"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:b::8",
+      "kavlan-11": "2001:660:4406:58b:b::8",
+      "kavlan-12": "2001:660:4406:58c:b::8",
+      "kavlan-13": "2001:660:4406:58d:b::8",
+      "kavlan-14": "2001:660:4406:58e:b::8",
+      "kavlan-16": "2001:660:4406:590:b::8",
+      "kavlan-18": "2001:660:4406:592:b::8",
+      "kavlan-2": "2001:660:4406:582:b::8",
+      "kavlan-20": "2001:660:4406:594:b::8",
+      "kavlan-21": "2001:660:4406:595:b::8",
+      "kavlan-3": "2001:660:4406:583:b::8",
+      "kavlan-4": "2001:660:4406:584:b::8",
+      "kavlan-5": "2001:660:4406:585:b::8",
+      "kavlan-6": "2001:660:4406:586:b::8",
+      "kavlan-7": "2001:660:4406:587:b::8",
+      "kavlan-8": "2001:660:4406:588:b::8",
+      "kavlan-9": "2001:660:4406:589:b::8"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
diff --git a/data/grid5000/sites/nancy/clusters/grele/nodes/grele-9.json b/data/grid5000/sites/nancy/clusters/grele/nodes/grele-9.json
index ba5eaf431f363c6bce9b9525aa5f87e0148cca5a..89c7e1f9316cb803d85a54cf950528c792dc5af7 100644
--- a/data/grid5000/sites/nancy/clusters/grele/nodes/grele-9.json
+++ b/data/grid5000/sites/nancy/clusters/grele/nodes/grele-9.json
@@ -58,6 +58,27 @@
       "kavlan-9": "10.17.75.9"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:b::9",
+      "kavlan-11": "2001:660:4406:58b:b::9",
+      "kavlan-12": "2001:660:4406:58c:b::9",
+      "kavlan-13": "2001:660:4406:58d:b::9",
+      "kavlan-14": "2001:660:4406:58e:b::9",
+      "kavlan-16": "2001:660:4406:590:b::9",
+      "kavlan-18": "2001:660:4406:592:b::9",
+      "kavlan-2": "2001:660:4406:582:b::9",
+      "kavlan-20": "2001:660:4406:594:b::9",
+      "kavlan-21": "2001:660:4406:595:b::9",
+      "kavlan-3": "2001:660:4406:583:b::9",
+      "kavlan-4": "2001:660:4406:584:b::9",
+      "kavlan-5": "2001:660:4406:585:b::9",
+      "kavlan-6": "2001:660:4406:586:b::9",
+      "kavlan-7": "2001:660:4406:587:b::9",
+      "kavlan-8": "2001:660:4406:588:b::9",
+      "kavlan-9": "2001:660:4406:589:b::9"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
diff --git a/data/grid5000/sites/nancy/clusters/grimani/nodes/grimani-1.json b/data/grid5000/sites/nancy/clusters/grimani/nodes/grimani-1.json
index eaf9c930f24ec556da3301cfdc9492cdb9a6c937..9eb7297e59fd6feccfcb5076d3f71f97b18f0ce4 100644
--- a/data/grid5000/sites/nancy/clusters/grimani/nodes/grimani-1.json
+++ b/data/grid5000/sites/nancy/clusters/grimani/nodes/grimani-1.json
@@ -58,6 +58,27 @@
       "kavlan-9": "10.17.74.1"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:a::1",
+      "kavlan-11": "2001:660:4406:58b:a::1",
+      "kavlan-12": "2001:660:4406:58c:a::1",
+      "kavlan-13": "2001:660:4406:58d:a::1",
+      "kavlan-14": "2001:660:4406:58e:a::1",
+      "kavlan-16": "2001:660:4406:590:a::1",
+      "kavlan-18": "2001:660:4406:592:a::1",
+      "kavlan-2": "2001:660:4406:582:a::1",
+      "kavlan-20": "2001:660:4406:594:a::1",
+      "kavlan-21": "2001:660:4406:595:a::1",
+      "kavlan-3": "2001:660:4406:583:a::1",
+      "kavlan-4": "2001:660:4406:584:a::1",
+      "kavlan-5": "2001:660:4406:585:a::1",
+      "kavlan-6": "2001:660:4406:586:a::1",
+      "kavlan-7": "2001:660:4406:587:a::1",
+      "kavlan-8": "2001:660:4406:588:a::1",
+      "kavlan-9": "2001:660:4406:589:a::1"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nancy/clusters/grimani/nodes/grimani-2.json b/data/grid5000/sites/nancy/clusters/grimani/nodes/grimani-2.json
index 589a9fba54bbe5bbd434db1e69e64bd627aad214..01cb1ee2be591dc20d40b8cfb1154e84fc9971a6 100644
--- a/data/grid5000/sites/nancy/clusters/grimani/nodes/grimani-2.json
+++ b/data/grid5000/sites/nancy/clusters/grimani/nodes/grimani-2.json
@@ -58,6 +58,27 @@
       "kavlan-9": "10.17.74.2"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:a::2",
+      "kavlan-11": "2001:660:4406:58b:a::2",
+      "kavlan-12": "2001:660:4406:58c:a::2",
+      "kavlan-13": "2001:660:4406:58d:a::2",
+      "kavlan-14": "2001:660:4406:58e:a::2",
+      "kavlan-16": "2001:660:4406:590:a::2",
+      "kavlan-18": "2001:660:4406:592:a::2",
+      "kavlan-2": "2001:660:4406:582:a::2",
+      "kavlan-20": "2001:660:4406:594:a::2",
+      "kavlan-21": "2001:660:4406:595:a::2",
+      "kavlan-3": "2001:660:4406:583:a::2",
+      "kavlan-4": "2001:660:4406:584:a::2",
+      "kavlan-5": "2001:660:4406:585:a::2",
+      "kavlan-6": "2001:660:4406:586:a::2",
+      "kavlan-7": "2001:660:4406:587:a::2",
+      "kavlan-8": "2001:660:4406:588:a::2",
+      "kavlan-9": "2001:660:4406:589:a::2"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nancy/clusters/grimani/nodes/grimani-3.json b/data/grid5000/sites/nancy/clusters/grimani/nodes/grimani-3.json
index 7699e1baf17d117f2c23bb1a6b68126adcd6e078..72faffe37f3d8ad42cab0b9ad6d9b4a0daaeaf87 100644
--- a/data/grid5000/sites/nancy/clusters/grimani/nodes/grimani-3.json
+++ b/data/grid5000/sites/nancy/clusters/grimani/nodes/grimani-3.json
@@ -58,6 +58,27 @@
       "kavlan-9": "10.17.74.3"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:a::3",
+      "kavlan-11": "2001:660:4406:58b:a::3",
+      "kavlan-12": "2001:660:4406:58c:a::3",
+      "kavlan-13": "2001:660:4406:58d:a::3",
+      "kavlan-14": "2001:660:4406:58e:a::3",
+      "kavlan-16": "2001:660:4406:590:a::3",
+      "kavlan-18": "2001:660:4406:592:a::3",
+      "kavlan-2": "2001:660:4406:582:a::3",
+      "kavlan-20": "2001:660:4406:594:a::3",
+      "kavlan-21": "2001:660:4406:595:a::3",
+      "kavlan-3": "2001:660:4406:583:a::3",
+      "kavlan-4": "2001:660:4406:584:a::3",
+      "kavlan-5": "2001:660:4406:585:a::3",
+      "kavlan-6": "2001:660:4406:586:a::3",
+      "kavlan-7": "2001:660:4406:587:a::3",
+      "kavlan-8": "2001:660:4406:588:a::3",
+      "kavlan-9": "2001:660:4406:589:a::3"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nancy/clusters/grimani/nodes/grimani-4.json b/data/grid5000/sites/nancy/clusters/grimani/nodes/grimani-4.json
index 62dab2f0fd0d4fa38d54bc8e7d6dce2153052ad8..993c3e5989381f7ee47b0245227b38362ab71d1c 100644
--- a/data/grid5000/sites/nancy/clusters/grimani/nodes/grimani-4.json
+++ b/data/grid5000/sites/nancy/clusters/grimani/nodes/grimani-4.json
@@ -58,6 +58,27 @@
       "kavlan-9": "10.17.74.4"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:a::4",
+      "kavlan-11": "2001:660:4406:58b:a::4",
+      "kavlan-12": "2001:660:4406:58c:a::4",
+      "kavlan-13": "2001:660:4406:58d:a::4",
+      "kavlan-14": "2001:660:4406:58e:a::4",
+      "kavlan-16": "2001:660:4406:590:a::4",
+      "kavlan-18": "2001:660:4406:592:a::4",
+      "kavlan-2": "2001:660:4406:582:a::4",
+      "kavlan-20": "2001:660:4406:594:a::4",
+      "kavlan-21": "2001:660:4406:595:a::4",
+      "kavlan-3": "2001:660:4406:583:a::4",
+      "kavlan-4": "2001:660:4406:584:a::4",
+      "kavlan-5": "2001:660:4406:585:a::4",
+      "kavlan-6": "2001:660:4406:586:a::4",
+      "kavlan-7": "2001:660:4406:587:a::4",
+      "kavlan-8": "2001:660:4406:588:a::4",
+      "kavlan-9": "2001:660:4406:589:a::4"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nancy/clusters/grimani/nodes/grimani-5.json b/data/grid5000/sites/nancy/clusters/grimani/nodes/grimani-5.json
index 28b151c2b142b11216884e48ddd93ec6f6a767d5..c9c14d57ebd70d7dd16ee0154dd99148c6f3f909 100644
--- a/data/grid5000/sites/nancy/clusters/grimani/nodes/grimani-5.json
+++ b/data/grid5000/sites/nancy/clusters/grimani/nodes/grimani-5.json
@@ -58,6 +58,27 @@
       "kavlan-9": "10.17.74.5"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:a::5",
+      "kavlan-11": "2001:660:4406:58b:a::5",
+      "kavlan-12": "2001:660:4406:58c:a::5",
+      "kavlan-13": "2001:660:4406:58d:a::5",
+      "kavlan-14": "2001:660:4406:58e:a::5",
+      "kavlan-16": "2001:660:4406:590:a::5",
+      "kavlan-18": "2001:660:4406:592:a::5",
+      "kavlan-2": "2001:660:4406:582:a::5",
+      "kavlan-20": "2001:660:4406:594:a::5",
+      "kavlan-21": "2001:660:4406:595:a::5",
+      "kavlan-3": "2001:660:4406:583:a::5",
+      "kavlan-4": "2001:660:4406:584:a::5",
+      "kavlan-5": "2001:660:4406:585:a::5",
+      "kavlan-6": "2001:660:4406:586:a::5",
+      "kavlan-7": "2001:660:4406:587:a::5",
+      "kavlan-8": "2001:660:4406:588:a::5",
+      "kavlan-9": "2001:660:4406:589:a::5"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nancy/clusters/grimani/nodes/grimani-6.json b/data/grid5000/sites/nancy/clusters/grimani/nodes/grimani-6.json
index 03da9b40c7e733501dd373c544f20a1d6c0d0665..72b818940ae34de5997787e109e47ab7c491cd63 100644
--- a/data/grid5000/sites/nancy/clusters/grimani/nodes/grimani-6.json
+++ b/data/grid5000/sites/nancy/clusters/grimani/nodes/grimani-6.json
@@ -58,6 +58,27 @@
       "kavlan-9": "10.17.74.6"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:a::6",
+      "kavlan-11": "2001:660:4406:58b:a::6",
+      "kavlan-12": "2001:660:4406:58c:a::6",
+      "kavlan-13": "2001:660:4406:58d:a::6",
+      "kavlan-14": "2001:660:4406:58e:a::6",
+      "kavlan-16": "2001:660:4406:590:a::6",
+      "kavlan-18": "2001:660:4406:592:a::6",
+      "kavlan-2": "2001:660:4406:582:a::6",
+      "kavlan-20": "2001:660:4406:594:a::6",
+      "kavlan-21": "2001:660:4406:595:a::6",
+      "kavlan-3": "2001:660:4406:583:a::6",
+      "kavlan-4": "2001:660:4406:584:a::6",
+      "kavlan-5": "2001:660:4406:585:a::6",
+      "kavlan-6": "2001:660:4406:586:a::6",
+      "kavlan-7": "2001:660:4406:587:a::6",
+      "kavlan-8": "2001:660:4406:588:a::6",
+      "kavlan-9": "2001:660:4406:589:a::6"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nancy/clusters/grimoire/nodes/grimoire-1.json b/data/grid5000/sites/nancy/clusters/grimoire/nodes/grimoire-1.json
index bded70595a4fdf7f83c3c4dd64329ef89fdc48d6..6e5d80cf3a2f689f3006cceb67120311bdd11ebd 100644
--- a/data/grid5000/sites/nancy/clusters/grimoire/nodes/grimoire-1.json
+++ b/data/grid5000/sites/nancy/clusters/grimoire/nodes/grimoire-1.json
@@ -95,6 +95,84 @@
       "kavlan-9": "10.17.71.31"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:8::1",
+      "kavlan-11": "2001:660:4406:58b:8::1",
+      "kavlan-12": "2001:660:4406:58c:8::1",
+      "kavlan-13": "2001:660:4406:58d:8::1",
+      "kavlan-14": "2001:660:4406:58e:8::1",
+      "kavlan-16": "2001:660:4406:590:8::1",
+      "kavlan-18": "2001:660:4406:592:8::1",
+      "kavlan-2": "2001:660:4406:582:8::1",
+      "kavlan-20": "2001:660:4406:594:8::1",
+      "kavlan-21": "2001:660:4406:595:8::1",
+      "kavlan-3": "2001:660:4406:583:8::1",
+      "kavlan-4": "2001:660:4406:584:8::1",
+      "kavlan-5": "2001:660:4406:585:8::1",
+      "kavlan-6": "2001:660:4406:586:8::1",
+      "kavlan-7": "2001:660:4406:587:8::1",
+      "kavlan-8": "2001:660:4406:588:8::1",
+      "kavlan-9": "2001:660:4406:589:8::1"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:8:1::1",
+      "kavlan-11": "2001:660:4406:58b:8:1::1",
+      "kavlan-12": "2001:660:4406:58c:8:1::1",
+      "kavlan-13": "2001:660:4406:58d:8:1::1",
+      "kavlan-14": "2001:660:4406:58e:8:1::1",
+      "kavlan-16": "2001:660:4406:590:8:1::1",
+      "kavlan-18": "2001:660:4406:592:8:1::1",
+      "kavlan-2": "2001:660:4406:582:8:1::1",
+      "kavlan-20": "2001:660:4406:594:8:1::1",
+      "kavlan-21": "2001:660:4406:595:8:1::1",
+      "kavlan-3": "2001:660:4406:583:8:1::1",
+      "kavlan-4": "2001:660:4406:584:8:1::1",
+      "kavlan-5": "2001:660:4406:585:8:1::1",
+      "kavlan-6": "2001:660:4406:586:8:1::1",
+      "kavlan-7": "2001:660:4406:587:8:1::1",
+      "kavlan-8": "2001:660:4406:588:8:1::1",
+      "kavlan-9": "2001:660:4406:589:8:1::1"
+    },
+    "eth2": {
+      "kavlan-1": "2001:660:4406:581:8:2::1",
+      "kavlan-11": "2001:660:4406:58b:8:2::1",
+      "kavlan-12": "2001:660:4406:58c:8:2::1",
+      "kavlan-13": "2001:660:4406:58d:8:2::1",
+      "kavlan-14": "2001:660:4406:58e:8:2::1",
+      "kavlan-16": "2001:660:4406:590:8:2::1",
+      "kavlan-18": "2001:660:4406:592:8:2::1",
+      "kavlan-2": "2001:660:4406:582:8:2::1",
+      "kavlan-20": "2001:660:4406:594:8:2::1",
+      "kavlan-21": "2001:660:4406:595:8:2::1",
+      "kavlan-3": "2001:660:4406:583:8:2::1",
+      "kavlan-4": "2001:660:4406:584:8:2::1",
+      "kavlan-5": "2001:660:4406:585:8:2::1",
+      "kavlan-6": "2001:660:4406:586:8:2::1",
+      "kavlan-7": "2001:660:4406:587:8:2::1",
+      "kavlan-8": "2001:660:4406:588:8:2::1",
+      "kavlan-9": "2001:660:4406:589:8:2::1"
+    },
+    "eth3": {
+      "kavlan-1": "2001:660:4406:581:8:3::1",
+      "kavlan-11": "2001:660:4406:58b:8:3::1",
+      "kavlan-12": "2001:660:4406:58c:8:3::1",
+      "kavlan-13": "2001:660:4406:58d:8:3::1",
+      "kavlan-14": "2001:660:4406:58e:8:3::1",
+      "kavlan-16": "2001:660:4406:590:8:3::1",
+      "kavlan-18": "2001:660:4406:592:8:3::1",
+      "kavlan-2": "2001:660:4406:582:8:3::1",
+      "kavlan-20": "2001:660:4406:594:8:3::1",
+      "kavlan-21": "2001:660:4406:595:8:3::1",
+      "kavlan-3": "2001:660:4406:583:8:3::1",
+      "kavlan-4": "2001:660:4406:584:8:3::1",
+      "kavlan-5": "2001:660:4406:585:8:3::1",
+      "kavlan-6": "2001:660:4406:586:8:3::1",
+      "kavlan-7": "2001:660:4406:587:8:3::1",
+      "kavlan-8": "2001:660:4406:588:8:3::1",
+      "kavlan-9": "2001:660:4406:589:8:3::1"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -131,6 +209,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:8:1::1",
       "kavlan": true,
       "mac": "24:6e:96:03:0c:ca",
       "management": false,
@@ -151,6 +230,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:8:2::1",
       "kavlan": true,
       "mac": "a0:36:9f:7f:35:b8",
       "management": false,
@@ -171,6 +251,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:8:3::1",
       "kavlan": true,
       "mac": "a0:36:9f:7f:35:ba",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/grimoire/nodes/grimoire-2.json b/data/grid5000/sites/nancy/clusters/grimoire/nodes/grimoire-2.json
index cb8741e6233150c27f6a3ebfc47576fdf20a254e..6bd2ec3672744e8fa6bf4acc9c7909160db4fab4 100644
--- a/data/grid5000/sites/nancy/clusters/grimoire/nodes/grimoire-2.json
+++ b/data/grid5000/sites/nancy/clusters/grimoire/nodes/grimoire-2.json
@@ -95,6 +95,84 @@
       "kavlan-9": "10.17.71.32"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:8::2",
+      "kavlan-11": "2001:660:4406:58b:8::2",
+      "kavlan-12": "2001:660:4406:58c:8::2",
+      "kavlan-13": "2001:660:4406:58d:8::2",
+      "kavlan-14": "2001:660:4406:58e:8::2",
+      "kavlan-16": "2001:660:4406:590:8::2",
+      "kavlan-18": "2001:660:4406:592:8::2",
+      "kavlan-2": "2001:660:4406:582:8::2",
+      "kavlan-20": "2001:660:4406:594:8::2",
+      "kavlan-21": "2001:660:4406:595:8::2",
+      "kavlan-3": "2001:660:4406:583:8::2",
+      "kavlan-4": "2001:660:4406:584:8::2",
+      "kavlan-5": "2001:660:4406:585:8::2",
+      "kavlan-6": "2001:660:4406:586:8::2",
+      "kavlan-7": "2001:660:4406:587:8::2",
+      "kavlan-8": "2001:660:4406:588:8::2",
+      "kavlan-9": "2001:660:4406:589:8::2"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:8:1::2",
+      "kavlan-11": "2001:660:4406:58b:8:1::2",
+      "kavlan-12": "2001:660:4406:58c:8:1::2",
+      "kavlan-13": "2001:660:4406:58d:8:1::2",
+      "kavlan-14": "2001:660:4406:58e:8:1::2",
+      "kavlan-16": "2001:660:4406:590:8:1::2",
+      "kavlan-18": "2001:660:4406:592:8:1::2",
+      "kavlan-2": "2001:660:4406:582:8:1::2",
+      "kavlan-20": "2001:660:4406:594:8:1::2",
+      "kavlan-21": "2001:660:4406:595:8:1::2",
+      "kavlan-3": "2001:660:4406:583:8:1::2",
+      "kavlan-4": "2001:660:4406:584:8:1::2",
+      "kavlan-5": "2001:660:4406:585:8:1::2",
+      "kavlan-6": "2001:660:4406:586:8:1::2",
+      "kavlan-7": "2001:660:4406:587:8:1::2",
+      "kavlan-8": "2001:660:4406:588:8:1::2",
+      "kavlan-9": "2001:660:4406:589:8:1::2"
+    },
+    "eth2": {
+      "kavlan-1": "2001:660:4406:581:8:2::2",
+      "kavlan-11": "2001:660:4406:58b:8:2::2",
+      "kavlan-12": "2001:660:4406:58c:8:2::2",
+      "kavlan-13": "2001:660:4406:58d:8:2::2",
+      "kavlan-14": "2001:660:4406:58e:8:2::2",
+      "kavlan-16": "2001:660:4406:590:8:2::2",
+      "kavlan-18": "2001:660:4406:592:8:2::2",
+      "kavlan-2": "2001:660:4406:582:8:2::2",
+      "kavlan-20": "2001:660:4406:594:8:2::2",
+      "kavlan-21": "2001:660:4406:595:8:2::2",
+      "kavlan-3": "2001:660:4406:583:8:2::2",
+      "kavlan-4": "2001:660:4406:584:8:2::2",
+      "kavlan-5": "2001:660:4406:585:8:2::2",
+      "kavlan-6": "2001:660:4406:586:8:2::2",
+      "kavlan-7": "2001:660:4406:587:8:2::2",
+      "kavlan-8": "2001:660:4406:588:8:2::2",
+      "kavlan-9": "2001:660:4406:589:8:2::2"
+    },
+    "eth3": {
+      "kavlan-1": "2001:660:4406:581:8:3::2",
+      "kavlan-11": "2001:660:4406:58b:8:3::2",
+      "kavlan-12": "2001:660:4406:58c:8:3::2",
+      "kavlan-13": "2001:660:4406:58d:8:3::2",
+      "kavlan-14": "2001:660:4406:58e:8:3::2",
+      "kavlan-16": "2001:660:4406:590:8:3::2",
+      "kavlan-18": "2001:660:4406:592:8:3::2",
+      "kavlan-2": "2001:660:4406:582:8:3::2",
+      "kavlan-20": "2001:660:4406:594:8:3::2",
+      "kavlan-21": "2001:660:4406:595:8:3::2",
+      "kavlan-3": "2001:660:4406:583:8:3::2",
+      "kavlan-4": "2001:660:4406:584:8:3::2",
+      "kavlan-5": "2001:660:4406:585:8:3::2",
+      "kavlan-6": "2001:660:4406:586:8:3::2",
+      "kavlan-7": "2001:660:4406:587:8:3::2",
+      "kavlan-8": "2001:660:4406:588:8:3::2",
+      "kavlan-9": "2001:660:4406:589:8:3::2"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -131,6 +209,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:8:1::2",
       "kavlan": true,
       "mac": "24:6e:96:03:24:7a",
       "management": false,
@@ -151,6 +230,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:8:2::2",
       "kavlan": true,
       "mac": "a0:36:9f:7f:34:c4",
       "management": false,
@@ -171,6 +251,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:8:3::2",
       "kavlan": true,
       "mac": "a0:36:9f:7f:34:c6",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/grimoire/nodes/grimoire-3.json b/data/grid5000/sites/nancy/clusters/grimoire/nodes/grimoire-3.json
index a3c32e6c822360189c67f4d9e8b375c3fcb7aba6..568d445ea264d788ac000068b4175aed88e01130 100644
--- a/data/grid5000/sites/nancy/clusters/grimoire/nodes/grimoire-3.json
+++ b/data/grid5000/sites/nancy/clusters/grimoire/nodes/grimoire-3.json
@@ -95,6 +95,84 @@
       "kavlan-9": "10.17.71.33"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:8::3",
+      "kavlan-11": "2001:660:4406:58b:8::3",
+      "kavlan-12": "2001:660:4406:58c:8::3",
+      "kavlan-13": "2001:660:4406:58d:8::3",
+      "kavlan-14": "2001:660:4406:58e:8::3",
+      "kavlan-16": "2001:660:4406:590:8::3",
+      "kavlan-18": "2001:660:4406:592:8::3",
+      "kavlan-2": "2001:660:4406:582:8::3",
+      "kavlan-20": "2001:660:4406:594:8::3",
+      "kavlan-21": "2001:660:4406:595:8::3",
+      "kavlan-3": "2001:660:4406:583:8::3",
+      "kavlan-4": "2001:660:4406:584:8::3",
+      "kavlan-5": "2001:660:4406:585:8::3",
+      "kavlan-6": "2001:660:4406:586:8::3",
+      "kavlan-7": "2001:660:4406:587:8::3",
+      "kavlan-8": "2001:660:4406:588:8::3",
+      "kavlan-9": "2001:660:4406:589:8::3"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:8:1::3",
+      "kavlan-11": "2001:660:4406:58b:8:1::3",
+      "kavlan-12": "2001:660:4406:58c:8:1::3",
+      "kavlan-13": "2001:660:4406:58d:8:1::3",
+      "kavlan-14": "2001:660:4406:58e:8:1::3",
+      "kavlan-16": "2001:660:4406:590:8:1::3",
+      "kavlan-18": "2001:660:4406:592:8:1::3",
+      "kavlan-2": "2001:660:4406:582:8:1::3",
+      "kavlan-20": "2001:660:4406:594:8:1::3",
+      "kavlan-21": "2001:660:4406:595:8:1::3",
+      "kavlan-3": "2001:660:4406:583:8:1::3",
+      "kavlan-4": "2001:660:4406:584:8:1::3",
+      "kavlan-5": "2001:660:4406:585:8:1::3",
+      "kavlan-6": "2001:660:4406:586:8:1::3",
+      "kavlan-7": "2001:660:4406:587:8:1::3",
+      "kavlan-8": "2001:660:4406:588:8:1::3",
+      "kavlan-9": "2001:660:4406:589:8:1::3"
+    },
+    "eth2": {
+      "kavlan-1": "2001:660:4406:581:8:2::3",
+      "kavlan-11": "2001:660:4406:58b:8:2::3",
+      "kavlan-12": "2001:660:4406:58c:8:2::3",
+      "kavlan-13": "2001:660:4406:58d:8:2::3",
+      "kavlan-14": "2001:660:4406:58e:8:2::3",
+      "kavlan-16": "2001:660:4406:590:8:2::3",
+      "kavlan-18": "2001:660:4406:592:8:2::3",
+      "kavlan-2": "2001:660:4406:582:8:2::3",
+      "kavlan-20": "2001:660:4406:594:8:2::3",
+      "kavlan-21": "2001:660:4406:595:8:2::3",
+      "kavlan-3": "2001:660:4406:583:8:2::3",
+      "kavlan-4": "2001:660:4406:584:8:2::3",
+      "kavlan-5": "2001:660:4406:585:8:2::3",
+      "kavlan-6": "2001:660:4406:586:8:2::3",
+      "kavlan-7": "2001:660:4406:587:8:2::3",
+      "kavlan-8": "2001:660:4406:588:8:2::3",
+      "kavlan-9": "2001:660:4406:589:8:2::3"
+    },
+    "eth3": {
+      "kavlan-1": "2001:660:4406:581:8:3::3",
+      "kavlan-11": "2001:660:4406:58b:8:3::3",
+      "kavlan-12": "2001:660:4406:58c:8:3::3",
+      "kavlan-13": "2001:660:4406:58d:8:3::3",
+      "kavlan-14": "2001:660:4406:58e:8:3::3",
+      "kavlan-16": "2001:660:4406:590:8:3::3",
+      "kavlan-18": "2001:660:4406:592:8:3::3",
+      "kavlan-2": "2001:660:4406:582:8:3::3",
+      "kavlan-20": "2001:660:4406:594:8:3::3",
+      "kavlan-21": "2001:660:4406:595:8:3::3",
+      "kavlan-3": "2001:660:4406:583:8:3::3",
+      "kavlan-4": "2001:660:4406:584:8:3::3",
+      "kavlan-5": "2001:660:4406:585:8:3::3",
+      "kavlan-6": "2001:660:4406:586:8:3::3",
+      "kavlan-7": "2001:660:4406:587:8:3::3",
+      "kavlan-8": "2001:660:4406:588:8:3::3",
+      "kavlan-9": "2001:660:4406:589:8:3::3"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -131,6 +209,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:8:1::3",
       "kavlan": true,
       "mac": "24:6e:96:03:20:f2",
       "management": false,
@@ -151,6 +230,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:8:2::3",
       "kavlan": true,
       "mac": "a0:36:9f:7f:38:b4",
       "management": false,
@@ -171,6 +251,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:8:3::3",
       "kavlan": true,
       "mac": "a0:36:9f:7f:38:b6",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/grimoire/nodes/grimoire-4.json b/data/grid5000/sites/nancy/clusters/grimoire/nodes/grimoire-4.json
index 6fb13edc94a58136f0401a216a7fb242c4d5e844..11aadc0b54c10a54566de575813eb8b095bf294c 100644
--- a/data/grid5000/sites/nancy/clusters/grimoire/nodes/grimoire-4.json
+++ b/data/grid5000/sites/nancy/clusters/grimoire/nodes/grimoire-4.json
@@ -95,6 +95,84 @@
       "kavlan-9": "10.17.71.34"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:8::4",
+      "kavlan-11": "2001:660:4406:58b:8::4",
+      "kavlan-12": "2001:660:4406:58c:8::4",
+      "kavlan-13": "2001:660:4406:58d:8::4",
+      "kavlan-14": "2001:660:4406:58e:8::4",
+      "kavlan-16": "2001:660:4406:590:8::4",
+      "kavlan-18": "2001:660:4406:592:8::4",
+      "kavlan-2": "2001:660:4406:582:8::4",
+      "kavlan-20": "2001:660:4406:594:8::4",
+      "kavlan-21": "2001:660:4406:595:8::4",
+      "kavlan-3": "2001:660:4406:583:8::4",
+      "kavlan-4": "2001:660:4406:584:8::4",
+      "kavlan-5": "2001:660:4406:585:8::4",
+      "kavlan-6": "2001:660:4406:586:8::4",
+      "kavlan-7": "2001:660:4406:587:8::4",
+      "kavlan-8": "2001:660:4406:588:8::4",
+      "kavlan-9": "2001:660:4406:589:8::4"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:8:1::4",
+      "kavlan-11": "2001:660:4406:58b:8:1::4",
+      "kavlan-12": "2001:660:4406:58c:8:1::4",
+      "kavlan-13": "2001:660:4406:58d:8:1::4",
+      "kavlan-14": "2001:660:4406:58e:8:1::4",
+      "kavlan-16": "2001:660:4406:590:8:1::4",
+      "kavlan-18": "2001:660:4406:592:8:1::4",
+      "kavlan-2": "2001:660:4406:582:8:1::4",
+      "kavlan-20": "2001:660:4406:594:8:1::4",
+      "kavlan-21": "2001:660:4406:595:8:1::4",
+      "kavlan-3": "2001:660:4406:583:8:1::4",
+      "kavlan-4": "2001:660:4406:584:8:1::4",
+      "kavlan-5": "2001:660:4406:585:8:1::4",
+      "kavlan-6": "2001:660:4406:586:8:1::4",
+      "kavlan-7": "2001:660:4406:587:8:1::4",
+      "kavlan-8": "2001:660:4406:588:8:1::4",
+      "kavlan-9": "2001:660:4406:589:8:1::4"
+    },
+    "eth2": {
+      "kavlan-1": "2001:660:4406:581:8:2::4",
+      "kavlan-11": "2001:660:4406:58b:8:2::4",
+      "kavlan-12": "2001:660:4406:58c:8:2::4",
+      "kavlan-13": "2001:660:4406:58d:8:2::4",
+      "kavlan-14": "2001:660:4406:58e:8:2::4",
+      "kavlan-16": "2001:660:4406:590:8:2::4",
+      "kavlan-18": "2001:660:4406:592:8:2::4",
+      "kavlan-2": "2001:660:4406:582:8:2::4",
+      "kavlan-20": "2001:660:4406:594:8:2::4",
+      "kavlan-21": "2001:660:4406:595:8:2::4",
+      "kavlan-3": "2001:660:4406:583:8:2::4",
+      "kavlan-4": "2001:660:4406:584:8:2::4",
+      "kavlan-5": "2001:660:4406:585:8:2::4",
+      "kavlan-6": "2001:660:4406:586:8:2::4",
+      "kavlan-7": "2001:660:4406:587:8:2::4",
+      "kavlan-8": "2001:660:4406:588:8:2::4",
+      "kavlan-9": "2001:660:4406:589:8:2::4"
+    },
+    "eth3": {
+      "kavlan-1": "2001:660:4406:581:8:3::4",
+      "kavlan-11": "2001:660:4406:58b:8:3::4",
+      "kavlan-12": "2001:660:4406:58c:8:3::4",
+      "kavlan-13": "2001:660:4406:58d:8:3::4",
+      "kavlan-14": "2001:660:4406:58e:8:3::4",
+      "kavlan-16": "2001:660:4406:590:8:3::4",
+      "kavlan-18": "2001:660:4406:592:8:3::4",
+      "kavlan-2": "2001:660:4406:582:8:3::4",
+      "kavlan-20": "2001:660:4406:594:8:3::4",
+      "kavlan-21": "2001:660:4406:595:8:3::4",
+      "kavlan-3": "2001:660:4406:583:8:3::4",
+      "kavlan-4": "2001:660:4406:584:8:3::4",
+      "kavlan-5": "2001:660:4406:585:8:3::4",
+      "kavlan-6": "2001:660:4406:586:8:3::4",
+      "kavlan-7": "2001:660:4406:587:8:3::4",
+      "kavlan-8": "2001:660:4406:588:8:3::4",
+      "kavlan-9": "2001:660:4406:589:8:3::4"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -131,6 +209,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:8:1::4",
       "kavlan": true,
       "mac": "24:6e:96:02:a7:ca",
       "management": false,
@@ -151,6 +230,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:8:2::4",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4c:a8",
       "management": false,
@@ -171,6 +251,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:8:3::4",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4c:aa",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/grimoire/nodes/grimoire-5.json b/data/grid5000/sites/nancy/clusters/grimoire/nodes/grimoire-5.json
index d76f63821fc9ac5de97c7a5f722cb12be2677d67..10a81d847f1bef8e8ee2d339846ba4d67446a80c 100644
--- a/data/grid5000/sites/nancy/clusters/grimoire/nodes/grimoire-5.json
+++ b/data/grid5000/sites/nancy/clusters/grimoire/nodes/grimoire-5.json
@@ -95,6 +95,84 @@
       "kavlan-9": "10.17.71.35"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:8::5",
+      "kavlan-11": "2001:660:4406:58b:8::5",
+      "kavlan-12": "2001:660:4406:58c:8::5",
+      "kavlan-13": "2001:660:4406:58d:8::5",
+      "kavlan-14": "2001:660:4406:58e:8::5",
+      "kavlan-16": "2001:660:4406:590:8::5",
+      "kavlan-18": "2001:660:4406:592:8::5",
+      "kavlan-2": "2001:660:4406:582:8::5",
+      "kavlan-20": "2001:660:4406:594:8::5",
+      "kavlan-21": "2001:660:4406:595:8::5",
+      "kavlan-3": "2001:660:4406:583:8::5",
+      "kavlan-4": "2001:660:4406:584:8::5",
+      "kavlan-5": "2001:660:4406:585:8::5",
+      "kavlan-6": "2001:660:4406:586:8::5",
+      "kavlan-7": "2001:660:4406:587:8::5",
+      "kavlan-8": "2001:660:4406:588:8::5",
+      "kavlan-9": "2001:660:4406:589:8::5"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:8:1::5",
+      "kavlan-11": "2001:660:4406:58b:8:1::5",
+      "kavlan-12": "2001:660:4406:58c:8:1::5",
+      "kavlan-13": "2001:660:4406:58d:8:1::5",
+      "kavlan-14": "2001:660:4406:58e:8:1::5",
+      "kavlan-16": "2001:660:4406:590:8:1::5",
+      "kavlan-18": "2001:660:4406:592:8:1::5",
+      "kavlan-2": "2001:660:4406:582:8:1::5",
+      "kavlan-20": "2001:660:4406:594:8:1::5",
+      "kavlan-21": "2001:660:4406:595:8:1::5",
+      "kavlan-3": "2001:660:4406:583:8:1::5",
+      "kavlan-4": "2001:660:4406:584:8:1::5",
+      "kavlan-5": "2001:660:4406:585:8:1::5",
+      "kavlan-6": "2001:660:4406:586:8:1::5",
+      "kavlan-7": "2001:660:4406:587:8:1::5",
+      "kavlan-8": "2001:660:4406:588:8:1::5",
+      "kavlan-9": "2001:660:4406:589:8:1::5"
+    },
+    "eth2": {
+      "kavlan-1": "2001:660:4406:581:8:2::5",
+      "kavlan-11": "2001:660:4406:58b:8:2::5",
+      "kavlan-12": "2001:660:4406:58c:8:2::5",
+      "kavlan-13": "2001:660:4406:58d:8:2::5",
+      "kavlan-14": "2001:660:4406:58e:8:2::5",
+      "kavlan-16": "2001:660:4406:590:8:2::5",
+      "kavlan-18": "2001:660:4406:592:8:2::5",
+      "kavlan-2": "2001:660:4406:582:8:2::5",
+      "kavlan-20": "2001:660:4406:594:8:2::5",
+      "kavlan-21": "2001:660:4406:595:8:2::5",
+      "kavlan-3": "2001:660:4406:583:8:2::5",
+      "kavlan-4": "2001:660:4406:584:8:2::5",
+      "kavlan-5": "2001:660:4406:585:8:2::5",
+      "kavlan-6": "2001:660:4406:586:8:2::5",
+      "kavlan-7": "2001:660:4406:587:8:2::5",
+      "kavlan-8": "2001:660:4406:588:8:2::5",
+      "kavlan-9": "2001:660:4406:589:8:2::5"
+    },
+    "eth3": {
+      "kavlan-1": "2001:660:4406:581:8:3::5",
+      "kavlan-11": "2001:660:4406:58b:8:3::5",
+      "kavlan-12": "2001:660:4406:58c:8:3::5",
+      "kavlan-13": "2001:660:4406:58d:8:3::5",
+      "kavlan-14": "2001:660:4406:58e:8:3::5",
+      "kavlan-16": "2001:660:4406:590:8:3::5",
+      "kavlan-18": "2001:660:4406:592:8:3::5",
+      "kavlan-2": "2001:660:4406:582:8:3::5",
+      "kavlan-20": "2001:660:4406:594:8:3::5",
+      "kavlan-21": "2001:660:4406:595:8:3::5",
+      "kavlan-3": "2001:660:4406:583:8:3::5",
+      "kavlan-4": "2001:660:4406:584:8:3::5",
+      "kavlan-5": "2001:660:4406:585:8:3::5",
+      "kavlan-6": "2001:660:4406:586:8:3::5",
+      "kavlan-7": "2001:660:4406:587:8:3::5",
+      "kavlan-8": "2001:660:4406:588:8:3::5",
+      "kavlan-9": "2001:660:4406:589:8:3::5"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -131,6 +209,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:8:1::5",
       "kavlan": true,
       "mac": "24:6e:96:02:96:92",
       "management": false,
@@ -151,6 +230,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:8:2::5",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4c:ac",
       "management": false,
@@ -171,6 +251,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:8:3::5",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4c:ae",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/grimoire/nodes/grimoire-6.json b/data/grid5000/sites/nancy/clusters/grimoire/nodes/grimoire-6.json
index 10bba8728dd7872fcd5f89bdd72f82a197f13e52..7ae73ec997fbd6b4492564483ab6085fa5ccd8a5 100644
--- a/data/grid5000/sites/nancy/clusters/grimoire/nodes/grimoire-6.json
+++ b/data/grid5000/sites/nancy/clusters/grimoire/nodes/grimoire-6.json
@@ -95,6 +95,84 @@
       "kavlan-9": "10.17.71.36"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:8::6",
+      "kavlan-11": "2001:660:4406:58b:8::6",
+      "kavlan-12": "2001:660:4406:58c:8::6",
+      "kavlan-13": "2001:660:4406:58d:8::6",
+      "kavlan-14": "2001:660:4406:58e:8::6",
+      "kavlan-16": "2001:660:4406:590:8::6",
+      "kavlan-18": "2001:660:4406:592:8::6",
+      "kavlan-2": "2001:660:4406:582:8::6",
+      "kavlan-20": "2001:660:4406:594:8::6",
+      "kavlan-21": "2001:660:4406:595:8::6",
+      "kavlan-3": "2001:660:4406:583:8::6",
+      "kavlan-4": "2001:660:4406:584:8::6",
+      "kavlan-5": "2001:660:4406:585:8::6",
+      "kavlan-6": "2001:660:4406:586:8::6",
+      "kavlan-7": "2001:660:4406:587:8::6",
+      "kavlan-8": "2001:660:4406:588:8::6",
+      "kavlan-9": "2001:660:4406:589:8::6"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:8:1::6",
+      "kavlan-11": "2001:660:4406:58b:8:1::6",
+      "kavlan-12": "2001:660:4406:58c:8:1::6",
+      "kavlan-13": "2001:660:4406:58d:8:1::6",
+      "kavlan-14": "2001:660:4406:58e:8:1::6",
+      "kavlan-16": "2001:660:4406:590:8:1::6",
+      "kavlan-18": "2001:660:4406:592:8:1::6",
+      "kavlan-2": "2001:660:4406:582:8:1::6",
+      "kavlan-20": "2001:660:4406:594:8:1::6",
+      "kavlan-21": "2001:660:4406:595:8:1::6",
+      "kavlan-3": "2001:660:4406:583:8:1::6",
+      "kavlan-4": "2001:660:4406:584:8:1::6",
+      "kavlan-5": "2001:660:4406:585:8:1::6",
+      "kavlan-6": "2001:660:4406:586:8:1::6",
+      "kavlan-7": "2001:660:4406:587:8:1::6",
+      "kavlan-8": "2001:660:4406:588:8:1::6",
+      "kavlan-9": "2001:660:4406:589:8:1::6"
+    },
+    "eth2": {
+      "kavlan-1": "2001:660:4406:581:8:2::6",
+      "kavlan-11": "2001:660:4406:58b:8:2::6",
+      "kavlan-12": "2001:660:4406:58c:8:2::6",
+      "kavlan-13": "2001:660:4406:58d:8:2::6",
+      "kavlan-14": "2001:660:4406:58e:8:2::6",
+      "kavlan-16": "2001:660:4406:590:8:2::6",
+      "kavlan-18": "2001:660:4406:592:8:2::6",
+      "kavlan-2": "2001:660:4406:582:8:2::6",
+      "kavlan-20": "2001:660:4406:594:8:2::6",
+      "kavlan-21": "2001:660:4406:595:8:2::6",
+      "kavlan-3": "2001:660:4406:583:8:2::6",
+      "kavlan-4": "2001:660:4406:584:8:2::6",
+      "kavlan-5": "2001:660:4406:585:8:2::6",
+      "kavlan-6": "2001:660:4406:586:8:2::6",
+      "kavlan-7": "2001:660:4406:587:8:2::6",
+      "kavlan-8": "2001:660:4406:588:8:2::6",
+      "kavlan-9": "2001:660:4406:589:8:2::6"
+    },
+    "eth3": {
+      "kavlan-1": "2001:660:4406:581:8:3::6",
+      "kavlan-11": "2001:660:4406:58b:8:3::6",
+      "kavlan-12": "2001:660:4406:58c:8:3::6",
+      "kavlan-13": "2001:660:4406:58d:8:3::6",
+      "kavlan-14": "2001:660:4406:58e:8:3::6",
+      "kavlan-16": "2001:660:4406:590:8:3::6",
+      "kavlan-18": "2001:660:4406:592:8:3::6",
+      "kavlan-2": "2001:660:4406:582:8:3::6",
+      "kavlan-20": "2001:660:4406:594:8:3::6",
+      "kavlan-21": "2001:660:4406:595:8:3::6",
+      "kavlan-3": "2001:660:4406:583:8:3::6",
+      "kavlan-4": "2001:660:4406:584:8:3::6",
+      "kavlan-5": "2001:660:4406:585:8:3::6",
+      "kavlan-6": "2001:660:4406:586:8:3::6",
+      "kavlan-7": "2001:660:4406:587:8:3::6",
+      "kavlan-8": "2001:660:4406:588:8:3::6",
+      "kavlan-9": "2001:660:4406:589:8:3::6"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -131,6 +209,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:8:1::6",
       "kavlan": true,
       "mac": "24:6e:96:02:a3:8a",
       "management": false,
@@ -151,6 +230,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:8:2::6",
       "kavlan": true,
       "mac": "a0:36:9f:7e:47:5c",
       "management": false,
@@ -171,6 +251,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:8:3::6",
       "kavlan": true,
       "mac": "a0:36:9f:7e:47:5e",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/grimoire/nodes/grimoire-7.json b/data/grid5000/sites/nancy/clusters/grimoire/nodes/grimoire-7.json
index e1eaf2cac49d2ee7f62d5bf483cf48714bedef90..56d549553dadd71666534cfb3080f739e6f02e7e 100644
--- a/data/grid5000/sites/nancy/clusters/grimoire/nodes/grimoire-7.json
+++ b/data/grid5000/sites/nancy/clusters/grimoire/nodes/grimoire-7.json
@@ -95,6 +95,84 @@
       "kavlan-9": "10.17.71.37"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:8::7",
+      "kavlan-11": "2001:660:4406:58b:8::7",
+      "kavlan-12": "2001:660:4406:58c:8::7",
+      "kavlan-13": "2001:660:4406:58d:8::7",
+      "kavlan-14": "2001:660:4406:58e:8::7",
+      "kavlan-16": "2001:660:4406:590:8::7",
+      "kavlan-18": "2001:660:4406:592:8::7",
+      "kavlan-2": "2001:660:4406:582:8::7",
+      "kavlan-20": "2001:660:4406:594:8::7",
+      "kavlan-21": "2001:660:4406:595:8::7",
+      "kavlan-3": "2001:660:4406:583:8::7",
+      "kavlan-4": "2001:660:4406:584:8::7",
+      "kavlan-5": "2001:660:4406:585:8::7",
+      "kavlan-6": "2001:660:4406:586:8::7",
+      "kavlan-7": "2001:660:4406:587:8::7",
+      "kavlan-8": "2001:660:4406:588:8::7",
+      "kavlan-9": "2001:660:4406:589:8::7"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:8:1::7",
+      "kavlan-11": "2001:660:4406:58b:8:1::7",
+      "kavlan-12": "2001:660:4406:58c:8:1::7",
+      "kavlan-13": "2001:660:4406:58d:8:1::7",
+      "kavlan-14": "2001:660:4406:58e:8:1::7",
+      "kavlan-16": "2001:660:4406:590:8:1::7",
+      "kavlan-18": "2001:660:4406:592:8:1::7",
+      "kavlan-2": "2001:660:4406:582:8:1::7",
+      "kavlan-20": "2001:660:4406:594:8:1::7",
+      "kavlan-21": "2001:660:4406:595:8:1::7",
+      "kavlan-3": "2001:660:4406:583:8:1::7",
+      "kavlan-4": "2001:660:4406:584:8:1::7",
+      "kavlan-5": "2001:660:4406:585:8:1::7",
+      "kavlan-6": "2001:660:4406:586:8:1::7",
+      "kavlan-7": "2001:660:4406:587:8:1::7",
+      "kavlan-8": "2001:660:4406:588:8:1::7",
+      "kavlan-9": "2001:660:4406:589:8:1::7"
+    },
+    "eth2": {
+      "kavlan-1": "2001:660:4406:581:8:2::7",
+      "kavlan-11": "2001:660:4406:58b:8:2::7",
+      "kavlan-12": "2001:660:4406:58c:8:2::7",
+      "kavlan-13": "2001:660:4406:58d:8:2::7",
+      "kavlan-14": "2001:660:4406:58e:8:2::7",
+      "kavlan-16": "2001:660:4406:590:8:2::7",
+      "kavlan-18": "2001:660:4406:592:8:2::7",
+      "kavlan-2": "2001:660:4406:582:8:2::7",
+      "kavlan-20": "2001:660:4406:594:8:2::7",
+      "kavlan-21": "2001:660:4406:595:8:2::7",
+      "kavlan-3": "2001:660:4406:583:8:2::7",
+      "kavlan-4": "2001:660:4406:584:8:2::7",
+      "kavlan-5": "2001:660:4406:585:8:2::7",
+      "kavlan-6": "2001:660:4406:586:8:2::7",
+      "kavlan-7": "2001:660:4406:587:8:2::7",
+      "kavlan-8": "2001:660:4406:588:8:2::7",
+      "kavlan-9": "2001:660:4406:589:8:2::7"
+    },
+    "eth3": {
+      "kavlan-1": "2001:660:4406:581:8:3::7",
+      "kavlan-11": "2001:660:4406:58b:8:3::7",
+      "kavlan-12": "2001:660:4406:58c:8:3::7",
+      "kavlan-13": "2001:660:4406:58d:8:3::7",
+      "kavlan-14": "2001:660:4406:58e:8:3::7",
+      "kavlan-16": "2001:660:4406:590:8:3::7",
+      "kavlan-18": "2001:660:4406:592:8:3::7",
+      "kavlan-2": "2001:660:4406:582:8:3::7",
+      "kavlan-20": "2001:660:4406:594:8:3::7",
+      "kavlan-21": "2001:660:4406:595:8:3::7",
+      "kavlan-3": "2001:660:4406:583:8:3::7",
+      "kavlan-4": "2001:660:4406:584:8:3::7",
+      "kavlan-5": "2001:660:4406:585:8:3::7",
+      "kavlan-6": "2001:660:4406:586:8:3::7",
+      "kavlan-7": "2001:660:4406:587:8:3::7",
+      "kavlan-8": "2001:660:4406:588:8:3::7",
+      "kavlan-9": "2001:660:4406:589:8:3::7"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -131,6 +209,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:8:1::7",
       "kavlan": true,
       "mac": "24:6e:96:02:a9:7a",
       "management": false,
@@ -151,6 +230,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:8:2::7",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4c:a4",
       "management": false,
@@ -171,6 +251,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:8:3::7",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4c:a6",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/grimoire/nodes/grimoire-8.json b/data/grid5000/sites/nancy/clusters/grimoire/nodes/grimoire-8.json
index 7462e7670b2fc2b87889cdc39d91fe684dd69828..73df6dabbba2904510783f1b37184a1248cafca5 100644
--- a/data/grid5000/sites/nancy/clusters/grimoire/nodes/grimoire-8.json
+++ b/data/grid5000/sites/nancy/clusters/grimoire/nodes/grimoire-8.json
@@ -95,6 +95,84 @@
       "kavlan-9": "10.17.71.38"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:8::8",
+      "kavlan-11": "2001:660:4406:58b:8::8",
+      "kavlan-12": "2001:660:4406:58c:8::8",
+      "kavlan-13": "2001:660:4406:58d:8::8",
+      "kavlan-14": "2001:660:4406:58e:8::8",
+      "kavlan-16": "2001:660:4406:590:8::8",
+      "kavlan-18": "2001:660:4406:592:8::8",
+      "kavlan-2": "2001:660:4406:582:8::8",
+      "kavlan-20": "2001:660:4406:594:8::8",
+      "kavlan-21": "2001:660:4406:595:8::8",
+      "kavlan-3": "2001:660:4406:583:8::8",
+      "kavlan-4": "2001:660:4406:584:8::8",
+      "kavlan-5": "2001:660:4406:585:8::8",
+      "kavlan-6": "2001:660:4406:586:8::8",
+      "kavlan-7": "2001:660:4406:587:8::8",
+      "kavlan-8": "2001:660:4406:588:8::8",
+      "kavlan-9": "2001:660:4406:589:8::8"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:8:1::8",
+      "kavlan-11": "2001:660:4406:58b:8:1::8",
+      "kavlan-12": "2001:660:4406:58c:8:1::8",
+      "kavlan-13": "2001:660:4406:58d:8:1::8",
+      "kavlan-14": "2001:660:4406:58e:8:1::8",
+      "kavlan-16": "2001:660:4406:590:8:1::8",
+      "kavlan-18": "2001:660:4406:592:8:1::8",
+      "kavlan-2": "2001:660:4406:582:8:1::8",
+      "kavlan-20": "2001:660:4406:594:8:1::8",
+      "kavlan-21": "2001:660:4406:595:8:1::8",
+      "kavlan-3": "2001:660:4406:583:8:1::8",
+      "kavlan-4": "2001:660:4406:584:8:1::8",
+      "kavlan-5": "2001:660:4406:585:8:1::8",
+      "kavlan-6": "2001:660:4406:586:8:1::8",
+      "kavlan-7": "2001:660:4406:587:8:1::8",
+      "kavlan-8": "2001:660:4406:588:8:1::8",
+      "kavlan-9": "2001:660:4406:589:8:1::8"
+    },
+    "eth2": {
+      "kavlan-1": "2001:660:4406:581:8:2::8",
+      "kavlan-11": "2001:660:4406:58b:8:2::8",
+      "kavlan-12": "2001:660:4406:58c:8:2::8",
+      "kavlan-13": "2001:660:4406:58d:8:2::8",
+      "kavlan-14": "2001:660:4406:58e:8:2::8",
+      "kavlan-16": "2001:660:4406:590:8:2::8",
+      "kavlan-18": "2001:660:4406:592:8:2::8",
+      "kavlan-2": "2001:660:4406:582:8:2::8",
+      "kavlan-20": "2001:660:4406:594:8:2::8",
+      "kavlan-21": "2001:660:4406:595:8:2::8",
+      "kavlan-3": "2001:660:4406:583:8:2::8",
+      "kavlan-4": "2001:660:4406:584:8:2::8",
+      "kavlan-5": "2001:660:4406:585:8:2::8",
+      "kavlan-6": "2001:660:4406:586:8:2::8",
+      "kavlan-7": "2001:660:4406:587:8:2::8",
+      "kavlan-8": "2001:660:4406:588:8:2::8",
+      "kavlan-9": "2001:660:4406:589:8:2::8"
+    },
+    "eth3": {
+      "kavlan-1": "2001:660:4406:581:8:3::8",
+      "kavlan-11": "2001:660:4406:58b:8:3::8",
+      "kavlan-12": "2001:660:4406:58c:8:3::8",
+      "kavlan-13": "2001:660:4406:58d:8:3::8",
+      "kavlan-14": "2001:660:4406:58e:8:3::8",
+      "kavlan-16": "2001:660:4406:590:8:3::8",
+      "kavlan-18": "2001:660:4406:592:8:3::8",
+      "kavlan-2": "2001:660:4406:582:8:3::8",
+      "kavlan-20": "2001:660:4406:594:8:3::8",
+      "kavlan-21": "2001:660:4406:595:8:3::8",
+      "kavlan-3": "2001:660:4406:583:8:3::8",
+      "kavlan-4": "2001:660:4406:584:8:3::8",
+      "kavlan-5": "2001:660:4406:585:8:3::8",
+      "kavlan-6": "2001:660:4406:586:8:3::8",
+      "kavlan-7": "2001:660:4406:587:8:3::8",
+      "kavlan-8": "2001:660:4406:588:8:3::8",
+      "kavlan-9": "2001:660:4406:589:8:3::8"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -131,6 +209,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:8:1::8",
       "kavlan": true,
       "mac": "24:6e:96:02:a0:8a",
       "management": false,
@@ -151,6 +230,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:8:2::8",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4a:54",
       "management": false,
@@ -171,6 +251,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:8:3::8",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4a:56",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-1.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-1.json
index eac5a4af234261a49e10b8b350a850195b89d1b7..37d62f097ce0d2a31dcb2a4abf3f3eb8319768df 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-1.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-1.json
@@ -114,6 +114,103 @@
       "kavlan-9": "10.17.73.101"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:9::1",
+      "kavlan-11": "2001:660:4406:58b:9::1",
+      "kavlan-12": "2001:660:4406:58c:9::1",
+      "kavlan-13": "2001:660:4406:58d:9::1",
+      "kavlan-14": "2001:660:4406:58e:9::1",
+      "kavlan-16": "2001:660:4406:590:9::1",
+      "kavlan-18": "2001:660:4406:592:9::1",
+      "kavlan-2": "2001:660:4406:582:9::1",
+      "kavlan-20": "2001:660:4406:594:9::1",
+      "kavlan-21": "2001:660:4406:595:9::1",
+      "kavlan-3": "2001:660:4406:583:9::1",
+      "kavlan-4": "2001:660:4406:584:9::1",
+      "kavlan-5": "2001:660:4406:585:9::1",
+      "kavlan-6": "2001:660:4406:586:9::1",
+      "kavlan-7": "2001:660:4406:587:9::1",
+      "kavlan-8": "2001:660:4406:588:9::1",
+      "kavlan-9": "2001:660:4406:589:9::1"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:9:1::1",
+      "kavlan-11": "2001:660:4406:58b:9:1::1",
+      "kavlan-12": "2001:660:4406:58c:9:1::1",
+      "kavlan-13": "2001:660:4406:58d:9:1::1",
+      "kavlan-14": "2001:660:4406:58e:9:1::1",
+      "kavlan-16": "2001:660:4406:590:9:1::1",
+      "kavlan-18": "2001:660:4406:592:9:1::1",
+      "kavlan-2": "2001:660:4406:582:9:1::1",
+      "kavlan-20": "2001:660:4406:594:9:1::1",
+      "kavlan-21": "2001:660:4406:595:9:1::1",
+      "kavlan-3": "2001:660:4406:583:9:1::1",
+      "kavlan-4": "2001:660:4406:584:9:1::1",
+      "kavlan-5": "2001:660:4406:585:9:1::1",
+      "kavlan-6": "2001:660:4406:586:9:1::1",
+      "kavlan-7": "2001:660:4406:587:9:1::1",
+      "kavlan-8": "2001:660:4406:588:9:1::1",
+      "kavlan-9": "2001:660:4406:589:9:1::1"
+    },
+    "eth2": {
+      "kavlan-1": "2001:660:4406:581:9:2::1",
+      "kavlan-11": "2001:660:4406:58b:9:2::1",
+      "kavlan-12": "2001:660:4406:58c:9:2::1",
+      "kavlan-13": "2001:660:4406:58d:9:2::1",
+      "kavlan-14": "2001:660:4406:58e:9:2::1",
+      "kavlan-16": "2001:660:4406:590:9:2::1",
+      "kavlan-18": "2001:660:4406:592:9:2::1",
+      "kavlan-2": "2001:660:4406:582:9:2::1",
+      "kavlan-20": "2001:660:4406:594:9:2::1",
+      "kavlan-21": "2001:660:4406:595:9:2::1",
+      "kavlan-3": "2001:660:4406:583:9:2::1",
+      "kavlan-4": "2001:660:4406:584:9:2::1",
+      "kavlan-5": "2001:660:4406:585:9:2::1",
+      "kavlan-6": "2001:660:4406:586:9:2::1",
+      "kavlan-7": "2001:660:4406:587:9:2::1",
+      "kavlan-8": "2001:660:4406:588:9:2::1",
+      "kavlan-9": "2001:660:4406:589:9:2::1"
+    },
+    "eth3": {
+      "kavlan-1": "2001:660:4406:581:9:3::1",
+      "kavlan-11": "2001:660:4406:58b:9:3::1",
+      "kavlan-12": "2001:660:4406:58c:9:3::1",
+      "kavlan-13": "2001:660:4406:58d:9:3::1",
+      "kavlan-14": "2001:660:4406:58e:9:3::1",
+      "kavlan-16": "2001:660:4406:590:9:3::1",
+      "kavlan-18": "2001:660:4406:592:9:3::1",
+      "kavlan-2": "2001:660:4406:582:9:3::1",
+      "kavlan-20": "2001:660:4406:594:9:3::1",
+      "kavlan-21": "2001:660:4406:595:9:3::1",
+      "kavlan-3": "2001:660:4406:583:9:3::1",
+      "kavlan-4": "2001:660:4406:584:9:3::1",
+      "kavlan-5": "2001:660:4406:585:9:3::1",
+      "kavlan-6": "2001:660:4406:586:9:3::1",
+      "kavlan-7": "2001:660:4406:587:9:3::1",
+      "kavlan-8": "2001:660:4406:588:9:3::1",
+      "kavlan-9": "2001:660:4406:589:9:3::1"
+    },
+    "eth4": {
+      "kavlan-1": "2001:660:4406:581:9:4::1",
+      "kavlan-11": "2001:660:4406:58b:9:4::1",
+      "kavlan-12": "2001:660:4406:58c:9:4::1",
+      "kavlan-13": "2001:660:4406:58d:9:4::1",
+      "kavlan-14": "2001:660:4406:58e:9:4::1",
+      "kavlan-16": "2001:660:4406:590:9:4::1",
+      "kavlan-18": "2001:660:4406:592:9:4::1",
+      "kavlan-2": "2001:660:4406:582:9:4::1",
+      "kavlan-20": "2001:660:4406:594:9:4::1",
+      "kavlan-21": "2001:660:4406:595:9:4::1",
+      "kavlan-3": "2001:660:4406:583:9:4::1",
+      "kavlan-4": "2001:660:4406:584:9:4::1",
+      "kavlan-5": "2001:660:4406:585:9:4::1",
+      "kavlan-6": "2001:660:4406:586:9:4::1",
+      "kavlan-7": "2001:660:4406:587:9:4::1",
+      "kavlan-8": "2001:660:4406:588:9:4::1",
+      "kavlan-9": "2001:660:4406:589:9:4::1"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -150,6 +247,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:1::1",
       "kavlan": true,
       "mac": "24:6e:96:03:0c:62",
       "management": false,
@@ -170,6 +268,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:2::1",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4b:64",
       "management": false,
@@ -190,6 +289,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:3::1",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4b:66",
       "management": false,
@@ -210,6 +310,7 @@
       "enabled": true,
       "firmware_version": "1.67, 0x80000fab, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:4::1",
       "kavlan": true,
       "mac": "24:6e:96:03:0c:64",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-10.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-10.json
index 4f2b7bb8c83ac3346b79bf7ccac0868acb4c78a2..4941fac1a0eb13f02f08876eed1c3738fc14a360 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-10.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-10.json
@@ -114,6 +114,103 @@
       "kavlan-9": "10.17.73.110"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:9::a",
+      "kavlan-11": "2001:660:4406:58b:9::a",
+      "kavlan-12": "2001:660:4406:58c:9::a",
+      "kavlan-13": "2001:660:4406:58d:9::a",
+      "kavlan-14": "2001:660:4406:58e:9::a",
+      "kavlan-16": "2001:660:4406:590:9::a",
+      "kavlan-18": "2001:660:4406:592:9::a",
+      "kavlan-2": "2001:660:4406:582:9::a",
+      "kavlan-20": "2001:660:4406:594:9::a",
+      "kavlan-21": "2001:660:4406:595:9::a",
+      "kavlan-3": "2001:660:4406:583:9::a",
+      "kavlan-4": "2001:660:4406:584:9::a",
+      "kavlan-5": "2001:660:4406:585:9::a",
+      "kavlan-6": "2001:660:4406:586:9::a",
+      "kavlan-7": "2001:660:4406:587:9::a",
+      "kavlan-8": "2001:660:4406:588:9::a",
+      "kavlan-9": "2001:660:4406:589:9::a"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:9:1::a",
+      "kavlan-11": "2001:660:4406:58b:9:1::a",
+      "kavlan-12": "2001:660:4406:58c:9:1::a",
+      "kavlan-13": "2001:660:4406:58d:9:1::a",
+      "kavlan-14": "2001:660:4406:58e:9:1::a",
+      "kavlan-16": "2001:660:4406:590:9:1::a",
+      "kavlan-18": "2001:660:4406:592:9:1::a",
+      "kavlan-2": "2001:660:4406:582:9:1::a",
+      "kavlan-20": "2001:660:4406:594:9:1::a",
+      "kavlan-21": "2001:660:4406:595:9:1::a",
+      "kavlan-3": "2001:660:4406:583:9:1::a",
+      "kavlan-4": "2001:660:4406:584:9:1::a",
+      "kavlan-5": "2001:660:4406:585:9:1::a",
+      "kavlan-6": "2001:660:4406:586:9:1::a",
+      "kavlan-7": "2001:660:4406:587:9:1::a",
+      "kavlan-8": "2001:660:4406:588:9:1::a",
+      "kavlan-9": "2001:660:4406:589:9:1::a"
+    },
+    "eth2": {
+      "kavlan-1": "2001:660:4406:581:9:2::a",
+      "kavlan-11": "2001:660:4406:58b:9:2::a",
+      "kavlan-12": "2001:660:4406:58c:9:2::a",
+      "kavlan-13": "2001:660:4406:58d:9:2::a",
+      "kavlan-14": "2001:660:4406:58e:9:2::a",
+      "kavlan-16": "2001:660:4406:590:9:2::a",
+      "kavlan-18": "2001:660:4406:592:9:2::a",
+      "kavlan-2": "2001:660:4406:582:9:2::a",
+      "kavlan-20": "2001:660:4406:594:9:2::a",
+      "kavlan-21": "2001:660:4406:595:9:2::a",
+      "kavlan-3": "2001:660:4406:583:9:2::a",
+      "kavlan-4": "2001:660:4406:584:9:2::a",
+      "kavlan-5": "2001:660:4406:585:9:2::a",
+      "kavlan-6": "2001:660:4406:586:9:2::a",
+      "kavlan-7": "2001:660:4406:587:9:2::a",
+      "kavlan-8": "2001:660:4406:588:9:2::a",
+      "kavlan-9": "2001:660:4406:589:9:2::a"
+    },
+    "eth3": {
+      "kavlan-1": "2001:660:4406:581:9:3::a",
+      "kavlan-11": "2001:660:4406:58b:9:3::a",
+      "kavlan-12": "2001:660:4406:58c:9:3::a",
+      "kavlan-13": "2001:660:4406:58d:9:3::a",
+      "kavlan-14": "2001:660:4406:58e:9:3::a",
+      "kavlan-16": "2001:660:4406:590:9:3::a",
+      "kavlan-18": "2001:660:4406:592:9:3::a",
+      "kavlan-2": "2001:660:4406:582:9:3::a",
+      "kavlan-20": "2001:660:4406:594:9:3::a",
+      "kavlan-21": "2001:660:4406:595:9:3::a",
+      "kavlan-3": "2001:660:4406:583:9:3::a",
+      "kavlan-4": "2001:660:4406:584:9:3::a",
+      "kavlan-5": "2001:660:4406:585:9:3::a",
+      "kavlan-6": "2001:660:4406:586:9:3::a",
+      "kavlan-7": "2001:660:4406:587:9:3::a",
+      "kavlan-8": "2001:660:4406:588:9:3::a",
+      "kavlan-9": "2001:660:4406:589:9:3::a"
+    },
+    "eth4": {
+      "kavlan-1": "2001:660:4406:581:9:4::a",
+      "kavlan-11": "2001:660:4406:58b:9:4::a",
+      "kavlan-12": "2001:660:4406:58c:9:4::a",
+      "kavlan-13": "2001:660:4406:58d:9:4::a",
+      "kavlan-14": "2001:660:4406:58e:9:4::a",
+      "kavlan-16": "2001:660:4406:590:9:4::a",
+      "kavlan-18": "2001:660:4406:592:9:4::a",
+      "kavlan-2": "2001:660:4406:582:9:4::a",
+      "kavlan-20": "2001:660:4406:594:9:4::a",
+      "kavlan-21": "2001:660:4406:595:9:4::a",
+      "kavlan-3": "2001:660:4406:583:9:4::a",
+      "kavlan-4": "2001:660:4406:584:9:4::a",
+      "kavlan-5": "2001:660:4406:585:9:4::a",
+      "kavlan-6": "2001:660:4406:586:9:4::a",
+      "kavlan-7": "2001:660:4406:587:9:4::a",
+      "kavlan-8": "2001:660:4406:588:9:4::a",
+      "kavlan-9": "2001:660:4406:589:9:4::a"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -150,6 +247,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:1::a",
       "kavlan": true,
       "mac": "24:6e:96:03:0a:3a",
       "management": false,
@@ -170,6 +268,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:2::a",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4e:e8",
       "management": false,
@@ -190,6 +289,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:3::a",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4e:ea",
       "management": false,
@@ -210,6 +310,7 @@
       "enabled": true,
       "firmware_version": "1.67, 0x80000fab, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:4::a",
       "kavlan": true,
       "mac": "24:6e:96:03:0a:3c",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-11.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-11.json
index f05e916884b86d0ba926c269d669733e649ff99a..701a0dcc6cb9dbe55c06c3404c3c7f1e41ba3e99 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-11.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-11.json
@@ -114,6 +114,103 @@
       "kavlan-9": "10.17.73.111"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:9::b",
+      "kavlan-11": "2001:660:4406:58b:9::b",
+      "kavlan-12": "2001:660:4406:58c:9::b",
+      "kavlan-13": "2001:660:4406:58d:9::b",
+      "kavlan-14": "2001:660:4406:58e:9::b",
+      "kavlan-16": "2001:660:4406:590:9::b",
+      "kavlan-18": "2001:660:4406:592:9::b",
+      "kavlan-2": "2001:660:4406:582:9::b",
+      "kavlan-20": "2001:660:4406:594:9::b",
+      "kavlan-21": "2001:660:4406:595:9::b",
+      "kavlan-3": "2001:660:4406:583:9::b",
+      "kavlan-4": "2001:660:4406:584:9::b",
+      "kavlan-5": "2001:660:4406:585:9::b",
+      "kavlan-6": "2001:660:4406:586:9::b",
+      "kavlan-7": "2001:660:4406:587:9::b",
+      "kavlan-8": "2001:660:4406:588:9::b",
+      "kavlan-9": "2001:660:4406:589:9::b"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:9:1::b",
+      "kavlan-11": "2001:660:4406:58b:9:1::b",
+      "kavlan-12": "2001:660:4406:58c:9:1::b",
+      "kavlan-13": "2001:660:4406:58d:9:1::b",
+      "kavlan-14": "2001:660:4406:58e:9:1::b",
+      "kavlan-16": "2001:660:4406:590:9:1::b",
+      "kavlan-18": "2001:660:4406:592:9:1::b",
+      "kavlan-2": "2001:660:4406:582:9:1::b",
+      "kavlan-20": "2001:660:4406:594:9:1::b",
+      "kavlan-21": "2001:660:4406:595:9:1::b",
+      "kavlan-3": "2001:660:4406:583:9:1::b",
+      "kavlan-4": "2001:660:4406:584:9:1::b",
+      "kavlan-5": "2001:660:4406:585:9:1::b",
+      "kavlan-6": "2001:660:4406:586:9:1::b",
+      "kavlan-7": "2001:660:4406:587:9:1::b",
+      "kavlan-8": "2001:660:4406:588:9:1::b",
+      "kavlan-9": "2001:660:4406:589:9:1::b"
+    },
+    "eth2": {
+      "kavlan-1": "2001:660:4406:581:9:2::b",
+      "kavlan-11": "2001:660:4406:58b:9:2::b",
+      "kavlan-12": "2001:660:4406:58c:9:2::b",
+      "kavlan-13": "2001:660:4406:58d:9:2::b",
+      "kavlan-14": "2001:660:4406:58e:9:2::b",
+      "kavlan-16": "2001:660:4406:590:9:2::b",
+      "kavlan-18": "2001:660:4406:592:9:2::b",
+      "kavlan-2": "2001:660:4406:582:9:2::b",
+      "kavlan-20": "2001:660:4406:594:9:2::b",
+      "kavlan-21": "2001:660:4406:595:9:2::b",
+      "kavlan-3": "2001:660:4406:583:9:2::b",
+      "kavlan-4": "2001:660:4406:584:9:2::b",
+      "kavlan-5": "2001:660:4406:585:9:2::b",
+      "kavlan-6": "2001:660:4406:586:9:2::b",
+      "kavlan-7": "2001:660:4406:587:9:2::b",
+      "kavlan-8": "2001:660:4406:588:9:2::b",
+      "kavlan-9": "2001:660:4406:589:9:2::b"
+    },
+    "eth3": {
+      "kavlan-1": "2001:660:4406:581:9:3::b",
+      "kavlan-11": "2001:660:4406:58b:9:3::b",
+      "kavlan-12": "2001:660:4406:58c:9:3::b",
+      "kavlan-13": "2001:660:4406:58d:9:3::b",
+      "kavlan-14": "2001:660:4406:58e:9:3::b",
+      "kavlan-16": "2001:660:4406:590:9:3::b",
+      "kavlan-18": "2001:660:4406:592:9:3::b",
+      "kavlan-2": "2001:660:4406:582:9:3::b",
+      "kavlan-20": "2001:660:4406:594:9:3::b",
+      "kavlan-21": "2001:660:4406:595:9:3::b",
+      "kavlan-3": "2001:660:4406:583:9:3::b",
+      "kavlan-4": "2001:660:4406:584:9:3::b",
+      "kavlan-5": "2001:660:4406:585:9:3::b",
+      "kavlan-6": "2001:660:4406:586:9:3::b",
+      "kavlan-7": "2001:660:4406:587:9:3::b",
+      "kavlan-8": "2001:660:4406:588:9:3::b",
+      "kavlan-9": "2001:660:4406:589:9:3::b"
+    },
+    "eth4": {
+      "kavlan-1": "2001:660:4406:581:9:4::b",
+      "kavlan-11": "2001:660:4406:58b:9:4::b",
+      "kavlan-12": "2001:660:4406:58c:9:4::b",
+      "kavlan-13": "2001:660:4406:58d:9:4::b",
+      "kavlan-14": "2001:660:4406:58e:9:4::b",
+      "kavlan-16": "2001:660:4406:590:9:4::b",
+      "kavlan-18": "2001:660:4406:592:9:4::b",
+      "kavlan-2": "2001:660:4406:582:9:4::b",
+      "kavlan-20": "2001:660:4406:594:9:4::b",
+      "kavlan-21": "2001:660:4406:595:9:4::b",
+      "kavlan-3": "2001:660:4406:583:9:4::b",
+      "kavlan-4": "2001:660:4406:584:9:4::b",
+      "kavlan-5": "2001:660:4406:585:9:4::b",
+      "kavlan-6": "2001:660:4406:586:9:4::b",
+      "kavlan-7": "2001:660:4406:587:9:4::b",
+      "kavlan-8": "2001:660:4406:588:9:4::b",
+      "kavlan-9": "2001:660:4406:589:9:4::b"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -150,6 +247,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:1::b",
       "kavlan": true,
       "mac": "24:6e:96:03:0e:ba",
       "management": false,
@@ -170,6 +268,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:2::b",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4e:48",
       "management": false,
@@ -190,6 +289,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:3::b",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4e:4a",
       "management": false,
@@ -210,6 +310,7 @@
       "enabled": true,
       "firmware_version": "1.67, 0x80000fab, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:4::b",
       "kavlan": true,
       "mac": "24:6e:96:03:0e:bc",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-12.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-12.json
index 3c1a64a28840c6ec7c21118c50fcb5dc7b90e6e3..97962178c674b75d91dceba56daaa21a79611643 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-12.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-12.json
@@ -114,6 +114,103 @@
       "kavlan-9": "10.17.73.112"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:9::c",
+      "kavlan-11": "2001:660:4406:58b:9::c",
+      "kavlan-12": "2001:660:4406:58c:9::c",
+      "kavlan-13": "2001:660:4406:58d:9::c",
+      "kavlan-14": "2001:660:4406:58e:9::c",
+      "kavlan-16": "2001:660:4406:590:9::c",
+      "kavlan-18": "2001:660:4406:592:9::c",
+      "kavlan-2": "2001:660:4406:582:9::c",
+      "kavlan-20": "2001:660:4406:594:9::c",
+      "kavlan-21": "2001:660:4406:595:9::c",
+      "kavlan-3": "2001:660:4406:583:9::c",
+      "kavlan-4": "2001:660:4406:584:9::c",
+      "kavlan-5": "2001:660:4406:585:9::c",
+      "kavlan-6": "2001:660:4406:586:9::c",
+      "kavlan-7": "2001:660:4406:587:9::c",
+      "kavlan-8": "2001:660:4406:588:9::c",
+      "kavlan-9": "2001:660:4406:589:9::c"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:9:1::c",
+      "kavlan-11": "2001:660:4406:58b:9:1::c",
+      "kavlan-12": "2001:660:4406:58c:9:1::c",
+      "kavlan-13": "2001:660:4406:58d:9:1::c",
+      "kavlan-14": "2001:660:4406:58e:9:1::c",
+      "kavlan-16": "2001:660:4406:590:9:1::c",
+      "kavlan-18": "2001:660:4406:592:9:1::c",
+      "kavlan-2": "2001:660:4406:582:9:1::c",
+      "kavlan-20": "2001:660:4406:594:9:1::c",
+      "kavlan-21": "2001:660:4406:595:9:1::c",
+      "kavlan-3": "2001:660:4406:583:9:1::c",
+      "kavlan-4": "2001:660:4406:584:9:1::c",
+      "kavlan-5": "2001:660:4406:585:9:1::c",
+      "kavlan-6": "2001:660:4406:586:9:1::c",
+      "kavlan-7": "2001:660:4406:587:9:1::c",
+      "kavlan-8": "2001:660:4406:588:9:1::c",
+      "kavlan-9": "2001:660:4406:589:9:1::c"
+    },
+    "eth2": {
+      "kavlan-1": "2001:660:4406:581:9:2::c",
+      "kavlan-11": "2001:660:4406:58b:9:2::c",
+      "kavlan-12": "2001:660:4406:58c:9:2::c",
+      "kavlan-13": "2001:660:4406:58d:9:2::c",
+      "kavlan-14": "2001:660:4406:58e:9:2::c",
+      "kavlan-16": "2001:660:4406:590:9:2::c",
+      "kavlan-18": "2001:660:4406:592:9:2::c",
+      "kavlan-2": "2001:660:4406:582:9:2::c",
+      "kavlan-20": "2001:660:4406:594:9:2::c",
+      "kavlan-21": "2001:660:4406:595:9:2::c",
+      "kavlan-3": "2001:660:4406:583:9:2::c",
+      "kavlan-4": "2001:660:4406:584:9:2::c",
+      "kavlan-5": "2001:660:4406:585:9:2::c",
+      "kavlan-6": "2001:660:4406:586:9:2::c",
+      "kavlan-7": "2001:660:4406:587:9:2::c",
+      "kavlan-8": "2001:660:4406:588:9:2::c",
+      "kavlan-9": "2001:660:4406:589:9:2::c"
+    },
+    "eth3": {
+      "kavlan-1": "2001:660:4406:581:9:3::c",
+      "kavlan-11": "2001:660:4406:58b:9:3::c",
+      "kavlan-12": "2001:660:4406:58c:9:3::c",
+      "kavlan-13": "2001:660:4406:58d:9:3::c",
+      "kavlan-14": "2001:660:4406:58e:9:3::c",
+      "kavlan-16": "2001:660:4406:590:9:3::c",
+      "kavlan-18": "2001:660:4406:592:9:3::c",
+      "kavlan-2": "2001:660:4406:582:9:3::c",
+      "kavlan-20": "2001:660:4406:594:9:3::c",
+      "kavlan-21": "2001:660:4406:595:9:3::c",
+      "kavlan-3": "2001:660:4406:583:9:3::c",
+      "kavlan-4": "2001:660:4406:584:9:3::c",
+      "kavlan-5": "2001:660:4406:585:9:3::c",
+      "kavlan-6": "2001:660:4406:586:9:3::c",
+      "kavlan-7": "2001:660:4406:587:9:3::c",
+      "kavlan-8": "2001:660:4406:588:9:3::c",
+      "kavlan-9": "2001:660:4406:589:9:3::c"
+    },
+    "eth4": {
+      "kavlan-1": "2001:660:4406:581:9:4::c",
+      "kavlan-11": "2001:660:4406:58b:9:4::c",
+      "kavlan-12": "2001:660:4406:58c:9:4::c",
+      "kavlan-13": "2001:660:4406:58d:9:4::c",
+      "kavlan-14": "2001:660:4406:58e:9:4::c",
+      "kavlan-16": "2001:660:4406:590:9:4::c",
+      "kavlan-18": "2001:660:4406:592:9:4::c",
+      "kavlan-2": "2001:660:4406:582:9:4::c",
+      "kavlan-20": "2001:660:4406:594:9:4::c",
+      "kavlan-21": "2001:660:4406:595:9:4::c",
+      "kavlan-3": "2001:660:4406:583:9:4::c",
+      "kavlan-4": "2001:660:4406:584:9:4::c",
+      "kavlan-5": "2001:660:4406:585:9:4::c",
+      "kavlan-6": "2001:660:4406:586:9:4::c",
+      "kavlan-7": "2001:660:4406:587:9:4::c",
+      "kavlan-8": "2001:660:4406:588:9:4::c",
+      "kavlan-9": "2001:660:4406:589:9:4::c"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -150,6 +247,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:1::c",
       "kavlan": true,
       "mac": "24:6e:96:bd:52:ba",
       "management": false,
@@ -170,6 +268,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:2::c",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4e:f0",
       "management": false,
@@ -190,6 +289,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:3::c",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4e:f2",
       "management": false,
@@ -210,6 +310,7 @@
       "enabled": true,
       "firmware_version": "1.67, 0x80000fab, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:4::c",
       "kavlan": true,
       "mac": "24:6e:96:bd:52:bc",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-13.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-13.json
index 0d1dbbc11ef84edaf9b655b2738cc7d29cacb9f5..b23b669a29a814a6e5efffca79565b42e219b83f 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-13.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-13.json
@@ -114,6 +114,103 @@
       "kavlan-9": "10.17.73.113"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:9::d",
+      "kavlan-11": "2001:660:4406:58b:9::d",
+      "kavlan-12": "2001:660:4406:58c:9::d",
+      "kavlan-13": "2001:660:4406:58d:9::d",
+      "kavlan-14": "2001:660:4406:58e:9::d",
+      "kavlan-16": "2001:660:4406:590:9::d",
+      "kavlan-18": "2001:660:4406:592:9::d",
+      "kavlan-2": "2001:660:4406:582:9::d",
+      "kavlan-20": "2001:660:4406:594:9::d",
+      "kavlan-21": "2001:660:4406:595:9::d",
+      "kavlan-3": "2001:660:4406:583:9::d",
+      "kavlan-4": "2001:660:4406:584:9::d",
+      "kavlan-5": "2001:660:4406:585:9::d",
+      "kavlan-6": "2001:660:4406:586:9::d",
+      "kavlan-7": "2001:660:4406:587:9::d",
+      "kavlan-8": "2001:660:4406:588:9::d",
+      "kavlan-9": "2001:660:4406:589:9::d"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:9:1::d",
+      "kavlan-11": "2001:660:4406:58b:9:1::d",
+      "kavlan-12": "2001:660:4406:58c:9:1::d",
+      "kavlan-13": "2001:660:4406:58d:9:1::d",
+      "kavlan-14": "2001:660:4406:58e:9:1::d",
+      "kavlan-16": "2001:660:4406:590:9:1::d",
+      "kavlan-18": "2001:660:4406:592:9:1::d",
+      "kavlan-2": "2001:660:4406:582:9:1::d",
+      "kavlan-20": "2001:660:4406:594:9:1::d",
+      "kavlan-21": "2001:660:4406:595:9:1::d",
+      "kavlan-3": "2001:660:4406:583:9:1::d",
+      "kavlan-4": "2001:660:4406:584:9:1::d",
+      "kavlan-5": "2001:660:4406:585:9:1::d",
+      "kavlan-6": "2001:660:4406:586:9:1::d",
+      "kavlan-7": "2001:660:4406:587:9:1::d",
+      "kavlan-8": "2001:660:4406:588:9:1::d",
+      "kavlan-9": "2001:660:4406:589:9:1::d"
+    },
+    "eth2": {
+      "kavlan-1": "2001:660:4406:581:9:2::d",
+      "kavlan-11": "2001:660:4406:58b:9:2::d",
+      "kavlan-12": "2001:660:4406:58c:9:2::d",
+      "kavlan-13": "2001:660:4406:58d:9:2::d",
+      "kavlan-14": "2001:660:4406:58e:9:2::d",
+      "kavlan-16": "2001:660:4406:590:9:2::d",
+      "kavlan-18": "2001:660:4406:592:9:2::d",
+      "kavlan-2": "2001:660:4406:582:9:2::d",
+      "kavlan-20": "2001:660:4406:594:9:2::d",
+      "kavlan-21": "2001:660:4406:595:9:2::d",
+      "kavlan-3": "2001:660:4406:583:9:2::d",
+      "kavlan-4": "2001:660:4406:584:9:2::d",
+      "kavlan-5": "2001:660:4406:585:9:2::d",
+      "kavlan-6": "2001:660:4406:586:9:2::d",
+      "kavlan-7": "2001:660:4406:587:9:2::d",
+      "kavlan-8": "2001:660:4406:588:9:2::d",
+      "kavlan-9": "2001:660:4406:589:9:2::d"
+    },
+    "eth3": {
+      "kavlan-1": "2001:660:4406:581:9:3::d",
+      "kavlan-11": "2001:660:4406:58b:9:3::d",
+      "kavlan-12": "2001:660:4406:58c:9:3::d",
+      "kavlan-13": "2001:660:4406:58d:9:3::d",
+      "kavlan-14": "2001:660:4406:58e:9:3::d",
+      "kavlan-16": "2001:660:4406:590:9:3::d",
+      "kavlan-18": "2001:660:4406:592:9:3::d",
+      "kavlan-2": "2001:660:4406:582:9:3::d",
+      "kavlan-20": "2001:660:4406:594:9:3::d",
+      "kavlan-21": "2001:660:4406:595:9:3::d",
+      "kavlan-3": "2001:660:4406:583:9:3::d",
+      "kavlan-4": "2001:660:4406:584:9:3::d",
+      "kavlan-5": "2001:660:4406:585:9:3::d",
+      "kavlan-6": "2001:660:4406:586:9:3::d",
+      "kavlan-7": "2001:660:4406:587:9:3::d",
+      "kavlan-8": "2001:660:4406:588:9:3::d",
+      "kavlan-9": "2001:660:4406:589:9:3::d"
+    },
+    "eth4": {
+      "kavlan-1": "2001:660:4406:581:9:4::d",
+      "kavlan-11": "2001:660:4406:58b:9:4::d",
+      "kavlan-12": "2001:660:4406:58c:9:4::d",
+      "kavlan-13": "2001:660:4406:58d:9:4::d",
+      "kavlan-14": "2001:660:4406:58e:9:4::d",
+      "kavlan-16": "2001:660:4406:590:9:4::d",
+      "kavlan-18": "2001:660:4406:592:9:4::d",
+      "kavlan-2": "2001:660:4406:582:9:4::d",
+      "kavlan-20": "2001:660:4406:594:9:4::d",
+      "kavlan-21": "2001:660:4406:595:9:4::d",
+      "kavlan-3": "2001:660:4406:583:9:4::d",
+      "kavlan-4": "2001:660:4406:584:9:4::d",
+      "kavlan-5": "2001:660:4406:585:9:4::d",
+      "kavlan-6": "2001:660:4406:586:9:4::d",
+      "kavlan-7": "2001:660:4406:587:9:4::d",
+      "kavlan-8": "2001:660:4406:588:9:4::d",
+      "kavlan-9": "2001:660:4406:589:9:4::d"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -150,6 +247,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:1::d",
       "kavlan": true,
       "mac": "24:6e:96:03:11:92",
       "management": false,
@@ -170,6 +268,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:2::d",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4c:f8",
       "management": false,
@@ -190,6 +289,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:3::d",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4c:fa",
       "management": false,
@@ -210,6 +310,7 @@
       "enabled": true,
       "firmware_version": "1.67, 0x80000fab, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:4::d",
       "kavlan": true,
       "mac": "24:6e:96:03:11:94",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-14.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-14.json
index cc816acef72acb34ddcca5b9552dba2f13a900a7..06e5729152d682347c8380479faec5dca93df262 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-14.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-14.json
@@ -114,6 +114,103 @@
       "kavlan-9": "10.17.73.114"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:9::e",
+      "kavlan-11": "2001:660:4406:58b:9::e",
+      "kavlan-12": "2001:660:4406:58c:9::e",
+      "kavlan-13": "2001:660:4406:58d:9::e",
+      "kavlan-14": "2001:660:4406:58e:9::e",
+      "kavlan-16": "2001:660:4406:590:9::e",
+      "kavlan-18": "2001:660:4406:592:9::e",
+      "kavlan-2": "2001:660:4406:582:9::e",
+      "kavlan-20": "2001:660:4406:594:9::e",
+      "kavlan-21": "2001:660:4406:595:9::e",
+      "kavlan-3": "2001:660:4406:583:9::e",
+      "kavlan-4": "2001:660:4406:584:9::e",
+      "kavlan-5": "2001:660:4406:585:9::e",
+      "kavlan-6": "2001:660:4406:586:9::e",
+      "kavlan-7": "2001:660:4406:587:9::e",
+      "kavlan-8": "2001:660:4406:588:9::e",
+      "kavlan-9": "2001:660:4406:589:9::e"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:9:1::e",
+      "kavlan-11": "2001:660:4406:58b:9:1::e",
+      "kavlan-12": "2001:660:4406:58c:9:1::e",
+      "kavlan-13": "2001:660:4406:58d:9:1::e",
+      "kavlan-14": "2001:660:4406:58e:9:1::e",
+      "kavlan-16": "2001:660:4406:590:9:1::e",
+      "kavlan-18": "2001:660:4406:592:9:1::e",
+      "kavlan-2": "2001:660:4406:582:9:1::e",
+      "kavlan-20": "2001:660:4406:594:9:1::e",
+      "kavlan-21": "2001:660:4406:595:9:1::e",
+      "kavlan-3": "2001:660:4406:583:9:1::e",
+      "kavlan-4": "2001:660:4406:584:9:1::e",
+      "kavlan-5": "2001:660:4406:585:9:1::e",
+      "kavlan-6": "2001:660:4406:586:9:1::e",
+      "kavlan-7": "2001:660:4406:587:9:1::e",
+      "kavlan-8": "2001:660:4406:588:9:1::e",
+      "kavlan-9": "2001:660:4406:589:9:1::e"
+    },
+    "eth2": {
+      "kavlan-1": "2001:660:4406:581:9:2::e",
+      "kavlan-11": "2001:660:4406:58b:9:2::e",
+      "kavlan-12": "2001:660:4406:58c:9:2::e",
+      "kavlan-13": "2001:660:4406:58d:9:2::e",
+      "kavlan-14": "2001:660:4406:58e:9:2::e",
+      "kavlan-16": "2001:660:4406:590:9:2::e",
+      "kavlan-18": "2001:660:4406:592:9:2::e",
+      "kavlan-2": "2001:660:4406:582:9:2::e",
+      "kavlan-20": "2001:660:4406:594:9:2::e",
+      "kavlan-21": "2001:660:4406:595:9:2::e",
+      "kavlan-3": "2001:660:4406:583:9:2::e",
+      "kavlan-4": "2001:660:4406:584:9:2::e",
+      "kavlan-5": "2001:660:4406:585:9:2::e",
+      "kavlan-6": "2001:660:4406:586:9:2::e",
+      "kavlan-7": "2001:660:4406:587:9:2::e",
+      "kavlan-8": "2001:660:4406:588:9:2::e",
+      "kavlan-9": "2001:660:4406:589:9:2::e"
+    },
+    "eth3": {
+      "kavlan-1": "2001:660:4406:581:9:3::e",
+      "kavlan-11": "2001:660:4406:58b:9:3::e",
+      "kavlan-12": "2001:660:4406:58c:9:3::e",
+      "kavlan-13": "2001:660:4406:58d:9:3::e",
+      "kavlan-14": "2001:660:4406:58e:9:3::e",
+      "kavlan-16": "2001:660:4406:590:9:3::e",
+      "kavlan-18": "2001:660:4406:592:9:3::e",
+      "kavlan-2": "2001:660:4406:582:9:3::e",
+      "kavlan-20": "2001:660:4406:594:9:3::e",
+      "kavlan-21": "2001:660:4406:595:9:3::e",
+      "kavlan-3": "2001:660:4406:583:9:3::e",
+      "kavlan-4": "2001:660:4406:584:9:3::e",
+      "kavlan-5": "2001:660:4406:585:9:3::e",
+      "kavlan-6": "2001:660:4406:586:9:3::e",
+      "kavlan-7": "2001:660:4406:587:9:3::e",
+      "kavlan-8": "2001:660:4406:588:9:3::e",
+      "kavlan-9": "2001:660:4406:589:9:3::e"
+    },
+    "eth4": {
+      "kavlan-1": "2001:660:4406:581:9:4::e",
+      "kavlan-11": "2001:660:4406:58b:9:4::e",
+      "kavlan-12": "2001:660:4406:58c:9:4::e",
+      "kavlan-13": "2001:660:4406:58d:9:4::e",
+      "kavlan-14": "2001:660:4406:58e:9:4::e",
+      "kavlan-16": "2001:660:4406:590:9:4::e",
+      "kavlan-18": "2001:660:4406:592:9:4::e",
+      "kavlan-2": "2001:660:4406:582:9:4::e",
+      "kavlan-20": "2001:660:4406:594:9:4::e",
+      "kavlan-21": "2001:660:4406:595:9:4::e",
+      "kavlan-3": "2001:660:4406:583:9:4::e",
+      "kavlan-4": "2001:660:4406:584:9:4::e",
+      "kavlan-5": "2001:660:4406:585:9:4::e",
+      "kavlan-6": "2001:660:4406:586:9:4::e",
+      "kavlan-7": "2001:660:4406:587:9:4::e",
+      "kavlan-8": "2001:660:4406:588:9:4::e",
+      "kavlan-9": "2001:660:4406:589:9:4::e"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -150,6 +247,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:1::e",
       "kavlan": true,
       "mac": "24:6e:96:02:a3:e2",
       "management": false,
@@ -170,6 +268,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:2::e",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4b:b4",
       "management": false,
@@ -190,6 +289,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:3::e",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4b:b6",
       "management": false,
@@ -210,6 +310,7 @@
       "enabled": true,
       "firmware_version": "1.67, 0x80000fab, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:4::e",
       "kavlan": true,
       "mac": "24:6e:96:02:a3:e4",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-15.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-15.json
index 838bae3a82dfd47079a4647d3e373e80a54a854e..5561c05ec6ed0a87aca059b372b816fb93bf3047 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-15.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-15.json
@@ -114,6 +114,103 @@
       "kavlan-9": "10.17.73.115"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:9::f",
+      "kavlan-11": "2001:660:4406:58b:9::f",
+      "kavlan-12": "2001:660:4406:58c:9::f",
+      "kavlan-13": "2001:660:4406:58d:9::f",
+      "kavlan-14": "2001:660:4406:58e:9::f",
+      "kavlan-16": "2001:660:4406:590:9::f",
+      "kavlan-18": "2001:660:4406:592:9::f",
+      "kavlan-2": "2001:660:4406:582:9::f",
+      "kavlan-20": "2001:660:4406:594:9::f",
+      "kavlan-21": "2001:660:4406:595:9::f",
+      "kavlan-3": "2001:660:4406:583:9::f",
+      "kavlan-4": "2001:660:4406:584:9::f",
+      "kavlan-5": "2001:660:4406:585:9::f",
+      "kavlan-6": "2001:660:4406:586:9::f",
+      "kavlan-7": "2001:660:4406:587:9::f",
+      "kavlan-8": "2001:660:4406:588:9::f",
+      "kavlan-9": "2001:660:4406:589:9::f"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:9:1::f",
+      "kavlan-11": "2001:660:4406:58b:9:1::f",
+      "kavlan-12": "2001:660:4406:58c:9:1::f",
+      "kavlan-13": "2001:660:4406:58d:9:1::f",
+      "kavlan-14": "2001:660:4406:58e:9:1::f",
+      "kavlan-16": "2001:660:4406:590:9:1::f",
+      "kavlan-18": "2001:660:4406:592:9:1::f",
+      "kavlan-2": "2001:660:4406:582:9:1::f",
+      "kavlan-20": "2001:660:4406:594:9:1::f",
+      "kavlan-21": "2001:660:4406:595:9:1::f",
+      "kavlan-3": "2001:660:4406:583:9:1::f",
+      "kavlan-4": "2001:660:4406:584:9:1::f",
+      "kavlan-5": "2001:660:4406:585:9:1::f",
+      "kavlan-6": "2001:660:4406:586:9:1::f",
+      "kavlan-7": "2001:660:4406:587:9:1::f",
+      "kavlan-8": "2001:660:4406:588:9:1::f",
+      "kavlan-9": "2001:660:4406:589:9:1::f"
+    },
+    "eth2": {
+      "kavlan-1": "2001:660:4406:581:9:2::f",
+      "kavlan-11": "2001:660:4406:58b:9:2::f",
+      "kavlan-12": "2001:660:4406:58c:9:2::f",
+      "kavlan-13": "2001:660:4406:58d:9:2::f",
+      "kavlan-14": "2001:660:4406:58e:9:2::f",
+      "kavlan-16": "2001:660:4406:590:9:2::f",
+      "kavlan-18": "2001:660:4406:592:9:2::f",
+      "kavlan-2": "2001:660:4406:582:9:2::f",
+      "kavlan-20": "2001:660:4406:594:9:2::f",
+      "kavlan-21": "2001:660:4406:595:9:2::f",
+      "kavlan-3": "2001:660:4406:583:9:2::f",
+      "kavlan-4": "2001:660:4406:584:9:2::f",
+      "kavlan-5": "2001:660:4406:585:9:2::f",
+      "kavlan-6": "2001:660:4406:586:9:2::f",
+      "kavlan-7": "2001:660:4406:587:9:2::f",
+      "kavlan-8": "2001:660:4406:588:9:2::f",
+      "kavlan-9": "2001:660:4406:589:9:2::f"
+    },
+    "eth3": {
+      "kavlan-1": "2001:660:4406:581:9:3::f",
+      "kavlan-11": "2001:660:4406:58b:9:3::f",
+      "kavlan-12": "2001:660:4406:58c:9:3::f",
+      "kavlan-13": "2001:660:4406:58d:9:3::f",
+      "kavlan-14": "2001:660:4406:58e:9:3::f",
+      "kavlan-16": "2001:660:4406:590:9:3::f",
+      "kavlan-18": "2001:660:4406:592:9:3::f",
+      "kavlan-2": "2001:660:4406:582:9:3::f",
+      "kavlan-20": "2001:660:4406:594:9:3::f",
+      "kavlan-21": "2001:660:4406:595:9:3::f",
+      "kavlan-3": "2001:660:4406:583:9:3::f",
+      "kavlan-4": "2001:660:4406:584:9:3::f",
+      "kavlan-5": "2001:660:4406:585:9:3::f",
+      "kavlan-6": "2001:660:4406:586:9:3::f",
+      "kavlan-7": "2001:660:4406:587:9:3::f",
+      "kavlan-8": "2001:660:4406:588:9:3::f",
+      "kavlan-9": "2001:660:4406:589:9:3::f"
+    },
+    "eth4": {
+      "kavlan-1": "2001:660:4406:581:9:4::f",
+      "kavlan-11": "2001:660:4406:58b:9:4::f",
+      "kavlan-12": "2001:660:4406:58c:9:4::f",
+      "kavlan-13": "2001:660:4406:58d:9:4::f",
+      "kavlan-14": "2001:660:4406:58e:9:4::f",
+      "kavlan-16": "2001:660:4406:590:9:4::f",
+      "kavlan-18": "2001:660:4406:592:9:4::f",
+      "kavlan-2": "2001:660:4406:582:9:4::f",
+      "kavlan-20": "2001:660:4406:594:9:4::f",
+      "kavlan-21": "2001:660:4406:595:9:4::f",
+      "kavlan-3": "2001:660:4406:583:9:4::f",
+      "kavlan-4": "2001:660:4406:584:9:4::f",
+      "kavlan-5": "2001:660:4406:585:9:4::f",
+      "kavlan-6": "2001:660:4406:586:9:4::f",
+      "kavlan-7": "2001:660:4406:587:9:4::f",
+      "kavlan-8": "2001:660:4406:588:9:4::f",
+      "kavlan-9": "2001:660:4406:589:9:4::f"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -150,6 +247,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:1::f",
       "kavlan": true,
       "mac": "24:6e:96:02:9f:0a",
       "management": false,
@@ -170,6 +268,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:2::f",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4b:78",
       "management": false,
@@ -190,6 +289,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:3::f",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4b:7a",
       "management": false,
@@ -210,6 +310,7 @@
       "enabled": true,
       "firmware_version": "1.67, 0x80000fab, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:4::f",
       "kavlan": true,
       "mac": "24:6e:96:02:9f:0c",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-16.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-16.json
index 38a471e590555d8ee48a2f318df92653ea99964c..357cc8d4773f2768ddcbb4e7a5a17e664e0bc79e 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-16.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-16.json
@@ -114,6 +114,103 @@
       "kavlan-9": "10.17.73.116"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:9::10",
+      "kavlan-11": "2001:660:4406:58b:9::10",
+      "kavlan-12": "2001:660:4406:58c:9::10",
+      "kavlan-13": "2001:660:4406:58d:9::10",
+      "kavlan-14": "2001:660:4406:58e:9::10",
+      "kavlan-16": "2001:660:4406:590:9::10",
+      "kavlan-18": "2001:660:4406:592:9::10",
+      "kavlan-2": "2001:660:4406:582:9::10",
+      "kavlan-20": "2001:660:4406:594:9::10",
+      "kavlan-21": "2001:660:4406:595:9::10",
+      "kavlan-3": "2001:660:4406:583:9::10",
+      "kavlan-4": "2001:660:4406:584:9::10",
+      "kavlan-5": "2001:660:4406:585:9::10",
+      "kavlan-6": "2001:660:4406:586:9::10",
+      "kavlan-7": "2001:660:4406:587:9::10",
+      "kavlan-8": "2001:660:4406:588:9::10",
+      "kavlan-9": "2001:660:4406:589:9::10"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:9:1::10",
+      "kavlan-11": "2001:660:4406:58b:9:1::10",
+      "kavlan-12": "2001:660:4406:58c:9:1::10",
+      "kavlan-13": "2001:660:4406:58d:9:1::10",
+      "kavlan-14": "2001:660:4406:58e:9:1::10",
+      "kavlan-16": "2001:660:4406:590:9:1::10",
+      "kavlan-18": "2001:660:4406:592:9:1::10",
+      "kavlan-2": "2001:660:4406:582:9:1::10",
+      "kavlan-20": "2001:660:4406:594:9:1::10",
+      "kavlan-21": "2001:660:4406:595:9:1::10",
+      "kavlan-3": "2001:660:4406:583:9:1::10",
+      "kavlan-4": "2001:660:4406:584:9:1::10",
+      "kavlan-5": "2001:660:4406:585:9:1::10",
+      "kavlan-6": "2001:660:4406:586:9:1::10",
+      "kavlan-7": "2001:660:4406:587:9:1::10",
+      "kavlan-8": "2001:660:4406:588:9:1::10",
+      "kavlan-9": "2001:660:4406:589:9:1::10"
+    },
+    "eth2": {
+      "kavlan-1": "2001:660:4406:581:9:2::10",
+      "kavlan-11": "2001:660:4406:58b:9:2::10",
+      "kavlan-12": "2001:660:4406:58c:9:2::10",
+      "kavlan-13": "2001:660:4406:58d:9:2::10",
+      "kavlan-14": "2001:660:4406:58e:9:2::10",
+      "kavlan-16": "2001:660:4406:590:9:2::10",
+      "kavlan-18": "2001:660:4406:592:9:2::10",
+      "kavlan-2": "2001:660:4406:582:9:2::10",
+      "kavlan-20": "2001:660:4406:594:9:2::10",
+      "kavlan-21": "2001:660:4406:595:9:2::10",
+      "kavlan-3": "2001:660:4406:583:9:2::10",
+      "kavlan-4": "2001:660:4406:584:9:2::10",
+      "kavlan-5": "2001:660:4406:585:9:2::10",
+      "kavlan-6": "2001:660:4406:586:9:2::10",
+      "kavlan-7": "2001:660:4406:587:9:2::10",
+      "kavlan-8": "2001:660:4406:588:9:2::10",
+      "kavlan-9": "2001:660:4406:589:9:2::10"
+    },
+    "eth3": {
+      "kavlan-1": "2001:660:4406:581:9:3::10",
+      "kavlan-11": "2001:660:4406:58b:9:3::10",
+      "kavlan-12": "2001:660:4406:58c:9:3::10",
+      "kavlan-13": "2001:660:4406:58d:9:3::10",
+      "kavlan-14": "2001:660:4406:58e:9:3::10",
+      "kavlan-16": "2001:660:4406:590:9:3::10",
+      "kavlan-18": "2001:660:4406:592:9:3::10",
+      "kavlan-2": "2001:660:4406:582:9:3::10",
+      "kavlan-20": "2001:660:4406:594:9:3::10",
+      "kavlan-21": "2001:660:4406:595:9:3::10",
+      "kavlan-3": "2001:660:4406:583:9:3::10",
+      "kavlan-4": "2001:660:4406:584:9:3::10",
+      "kavlan-5": "2001:660:4406:585:9:3::10",
+      "kavlan-6": "2001:660:4406:586:9:3::10",
+      "kavlan-7": "2001:660:4406:587:9:3::10",
+      "kavlan-8": "2001:660:4406:588:9:3::10",
+      "kavlan-9": "2001:660:4406:589:9:3::10"
+    },
+    "eth4": {
+      "kavlan-1": "2001:660:4406:581:9:4::10",
+      "kavlan-11": "2001:660:4406:58b:9:4::10",
+      "kavlan-12": "2001:660:4406:58c:9:4::10",
+      "kavlan-13": "2001:660:4406:58d:9:4::10",
+      "kavlan-14": "2001:660:4406:58e:9:4::10",
+      "kavlan-16": "2001:660:4406:590:9:4::10",
+      "kavlan-18": "2001:660:4406:592:9:4::10",
+      "kavlan-2": "2001:660:4406:582:9:4::10",
+      "kavlan-20": "2001:660:4406:594:9:4::10",
+      "kavlan-21": "2001:660:4406:595:9:4::10",
+      "kavlan-3": "2001:660:4406:583:9:4::10",
+      "kavlan-4": "2001:660:4406:584:9:4::10",
+      "kavlan-5": "2001:660:4406:585:9:4::10",
+      "kavlan-6": "2001:660:4406:586:9:4::10",
+      "kavlan-7": "2001:660:4406:587:9:4::10",
+      "kavlan-8": "2001:660:4406:588:9:4::10",
+      "kavlan-9": "2001:660:4406:589:9:4::10"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -150,6 +247,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:1::10",
       "kavlan": true,
       "mac": "e4:43:4b:5a:e6:3a",
       "management": false,
@@ -170,6 +268,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:2::10",
       "kavlan": true,
       "mac": "b4:96:91:57:34:a4",
       "management": false,
@@ -190,6 +289,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:3::10",
       "kavlan": true,
       "mac": "b4:96:91:57:34:a6",
       "management": false,
@@ -210,6 +310,7 @@
       "enabled": true,
       "firmware_version": "1.67, 0x80000fab, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:4::10",
       "kavlan": true,
       "mac": "e4:43:4b:5a:e6:3c",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-17.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-17.json
index 3f95488c690b75c040fac1425cf008f6910a38b7..59b77ddfda97a859164ff4ef9ec5bf01d12dafe6 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-17.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-17.json
@@ -114,6 +114,103 @@
       "kavlan-9": "10.17.73.117"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:9::11",
+      "kavlan-11": "2001:660:4406:58b:9::11",
+      "kavlan-12": "2001:660:4406:58c:9::11",
+      "kavlan-13": "2001:660:4406:58d:9::11",
+      "kavlan-14": "2001:660:4406:58e:9::11",
+      "kavlan-16": "2001:660:4406:590:9::11",
+      "kavlan-18": "2001:660:4406:592:9::11",
+      "kavlan-2": "2001:660:4406:582:9::11",
+      "kavlan-20": "2001:660:4406:594:9::11",
+      "kavlan-21": "2001:660:4406:595:9::11",
+      "kavlan-3": "2001:660:4406:583:9::11",
+      "kavlan-4": "2001:660:4406:584:9::11",
+      "kavlan-5": "2001:660:4406:585:9::11",
+      "kavlan-6": "2001:660:4406:586:9::11",
+      "kavlan-7": "2001:660:4406:587:9::11",
+      "kavlan-8": "2001:660:4406:588:9::11",
+      "kavlan-9": "2001:660:4406:589:9::11"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:9:1::11",
+      "kavlan-11": "2001:660:4406:58b:9:1::11",
+      "kavlan-12": "2001:660:4406:58c:9:1::11",
+      "kavlan-13": "2001:660:4406:58d:9:1::11",
+      "kavlan-14": "2001:660:4406:58e:9:1::11",
+      "kavlan-16": "2001:660:4406:590:9:1::11",
+      "kavlan-18": "2001:660:4406:592:9:1::11",
+      "kavlan-2": "2001:660:4406:582:9:1::11",
+      "kavlan-20": "2001:660:4406:594:9:1::11",
+      "kavlan-21": "2001:660:4406:595:9:1::11",
+      "kavlan-3": "2001:660:4406:583:9:1::11",
+      "kavlan-4": "2001:660:4406:584:9:1::11",
+      "kavlan-5": "2001:660:4406:585:9:1::11",
+      "kavlan-6": "2001:660:4406:586:9:1::11",
+      "kavlan-7": "2001:660:4406:587:9:1::11",
+      "kavlan-8": "2001:660:4406:588:9:1::11",
+      "kavlan-9": "2001:660:4406:589:9:1::11"
+    },
+    "eth2": {
+      "kavlan-1": "2001:660:4406:581:9:2::11",
+      "kavlan-11": "2001:660:4406:58b:9:2::11",
+      "kavlan-12": "2001:660:4406:58c:9:2::11",
+      "kavlan-13": "2001:660:4406:58d:9:2::11",
+      "kavlan-14": "2001:660:4406:58e:9:2::11",
+      "kavlan-16": "2001:660:4406:590:9:2::11",
+      "kavlan-18": "2001:660:4406:592:9:2::11",
+      "kavlan-2": "2001:660:4406:582:9:2::11",
+      "kavlan-20": "2001:660:4406:594:9:2::11",
+      "kavlan-21": "2001:660:4406:595:9:2::11",
+      "kavlan-3": "2001:660:4406:583:9:2::11",
+      "kavlan-4": "2001:660:4406:584:9:2::11",
+      "kavlan-5": "2001:660:4406:585:9:2::11",
+      "kavlan-6": "2001:660:4406:586:9:2::11",
+      "kavlan-7": "2001:660:4406:587:9:2::11",
+      "kavlan-8": "2001:660:4406:588:9:2::11",
+      "kavlan-9": "2001:660:4406:589:9:2::11"
+    },
+    "eth3": {
+      "kavlan-1": "2001:660:4406:581:9:3::11",
+      "kavlan-11": "2001:660:4406:58b:9:3::11",
+      "kavlan-12": "2001:660:4406:58c:9:3::11",
+      "kavlan-13": "2001:660:4406:58d:9:3::11",
+      "kavlan-14": "2001:660:4406:58e:9:3::11",
+      "kavlan-16": "2001:660:4406:590:9:3::11",
+      "kavlan-18": "2001:660:4406:592:9:3::11",
+      "kavlan-2": "2001:660:4406:582:9:3::11",
+      "kavlan-20": "2001:660:4406:594:9:3::11",
+      "kavlan-21": "2001:660:4406:595:9:3::11",
+      "kavlan-3": "2001:660:4406:583:9:3::11",
+      "kavlan-4": "2001:660:4406:584:9:3::11",
+      "kavlan-5": "2001:660:4406:585:9:3::11",
+      "kavlan-6": "2001:660:4406:586:9:3::11",
+      "kavlan-7": "2001:660:4406:587:9:3::11",
+      "kavlan-8": "2001:660:4406:588:9:3::11",
+      "kavlan-9": "2001:660:4406:589:9:3::11"
+    },
+    "eth4": {
+      "kavlan-1": "2001:660:4406:581:9:4::11",
+      "kavlan-11": "2001:660:4406:58b:9:4::11",
+      "kavlan-12": "2001:660:4406:58c:9:4::11",
+      "kavlan-13": "2001:660:4406:58d:9:4::11",
+      "kavlan-14": "2001:660:4406:58e:9:4::11",
+      "kavlan-16": "2001:660:4406:590:9:4::11",
+      "kavlan-18": "2001:660:4406:592:9:4::11",
+      "kavlan-2": "2001:660:4406:582:9:4::11",
+      "kavlan-20": "2001:660:4406:594:9:4::11",
+      "kavlan-21": "2001:660:4406:595:9:4::11",
+      "kavlan-3": "2001:660:4406:583:9:4::11",
+      "kavlan-4": "2001:660:4406:584:9:4::11",
+      "kavlan-5": "2001:660:4406:585:9:4::11",
+      "kavlan-6": "2001:660:4406:586:9:4::11",
+      "kavlan-7": "2001:660:4406:587:9:4::11",
+      "kavlan-8": "2001:660:4406:588:9:4::11",
+      "kavlan-9": "2001:660:4406:589:9:4::11"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -150,6 +247,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:1::11",
       "kavlan": true,
       "mac": "24:6e:96:02:a1:52",
       "management": false,
@@ -170,6 +268,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:2::11",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4b:c8",
       "management": false,
@@ -190,6 +289,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:3::11",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4b:ca",
       "management": false,
@@ -210,6 +310,7 @@
       "enabled": true,
       "firmware_version": "1.67, 0x80000fab, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:4::11",
       "kavlan": true,
       "mac": "24:6e:96:02:a1:54",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-18.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-18.json
index 598861dd2f582214b38067e80c5aea790fd3a37f..74fbf7df4ee573a74425e83c1d0463b1d39da18e 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-18.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-18.json
@@ -114,6 +114,103 @@
       "kavlan-9": "10.17.73.118"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:9::12",
+      "kavlan-11": "2001:660:4406:58b:9::12",
+      "kavlan-12": "2001:660:4406:58c:9::12",
+      "kavlan-13": "2001:660:4406:58d:9::12",
+      "kavlan-14": "2001:660:4406:58e:9::12",
+      "kavlan-16": "2001:660:4406:590:9::12",
+      "kavlan-18": "2001:660:4406:592:9::12",
+      "kavlan-2": "2001:660:4406:582:9::12",
+      "kavlan-20": "2001:660:4406:594:9::12",
+      "kavlan-21": "2001:660:4406:595:9::12",
+      "kavlan-3": "2001:660:4406:583:9::12",
+      "kavlan-4": "2001:660:4406:584:9::12",
+      "kavlan-5": "2001:660:4406:585:9::12",
+      "kavlan-6": "2001:660:4406:586:9::12",
+      "kavlan-7": "2001:660:4406:587:9::12",
+      "kavlan-8": "2001:660:4406:588:9::12",
+      "kavlan-9": "2001:660:4406:589:9::12"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:9:1::12",
+      "kavlan-11": "2001:660:4406:58b:9:1::12",
+      "kavlan-12": "2001:660:4406:58c:9:1::12",
+      "kavlan-13": "2001:660:4406:58d:9:1::12",
+      "kavlan-14": "2001:660:4406:58e:9:1::12",
+      "kavlan-16": "2001:660:4406:590:9:1::12",
+      "kavlan-18": "2001:660:4406:592:9:1::12",
+      "kavlan-2": "2001:660:4406:582:9:1::12",
+      "kavlan-20": "2001:660:4406:594:9:1::12",
+      "kavlan-21": "2001:660:4406:595:9:1::12",
+      "kavlan-3": "2001:660:4406:583:9:1::12",
+      "kavlan-4": "2001:660:4406:584:9:1::12",
+      "kavlan-5": "2001:660:4406:585:9:1::12",
+      "kavlan-6": "2001:660:4406:586:9:1::12",
+      "kavlan-7": "2001:660:4406:587:9:1::12",
+      "kavlan-8": "2001:660:4406:588:9:1::12",
+      "kavlan-9": "2001:660:4406:589:9:1::12"
+    },
+    "eth2": {
+      "kavlan-1": "2001:660:4406:581:9:2::12",
+      "kavlan-11": "2001:660:4406:58b:9:2::12",
+      "kavlan-12": "2001:660:4406:58c:9:2::12",
+      "kavlan-13": "2001:660:4406:58d:9:2::12",
+      "kavlan-14": "2001:660:4406:58e:9:2::12",
+      "kavlan-16": "2001:660:4406:590:9:2::12",
+      "kavlan-18": "2001:660:4406:592:9:2::12",
+      "kavlan-2": "2001:660:4406:582:9:2::12",
+      "kavlan-20": "2001:660:4406:594:9:2::12",
+      "kavlan-21": "2001:660:4406:595:9:2::12",
+      "kavlan-3": "2001:660:4406:583:9:2::12",
+      "kavlan-4": "2001:660:4406:584:9:2::12",
+      "kavlan-5": "2001:660:4406:585:9:2::12",
+      "kavlan-6": "2001:660:4406:586:9:2::12",
+      "kavlan-7": "2001:660:4406:587:9:2::12",
+      "kavlan-8": "2001:660:4406:588:9:2::12",
+      "kavlan-9": "2001:660:4406:589:9:2::12"
+    },
+    "eth3": {
+      "kavlan-1": "2001:660:4406:581:9:3::12",
+      "kavlan-11": "2001:660:4406:58b:9:3::12",
+      "kavlan-12": "2001:660:4406:58c:9:3::12",
+      "kavlan-13": "2001:660:4406:58d:9:3::12",
+      "kavlan-14": "2001:660:4406:58e:9:3::12",
+      "kavlan-16": "2001:660:4406:590:9:3::12",
+      "kavlan-18": "2001:660:4406:592:9:3::12",
+      "kavlan-2": "2001:660:4406:582:9:3::12",
+      "kavlan-20": "2001:660:4406:594:9:3::12",
+      "kavlan-21": "2001:660:4406:595:9:3::12",
+      "kavlan-3": "2001:660:4406:583:9:3::12",
+      "kavlan-4": "2001:660:4406:584:9:3::12",
+      "kavlan-5": "2001:660:4406:585:9:3::12",
+      "kavlan-6": "2001:660:4406:586:9:3::12",
+      "kavlan-7": "2001:660:4406:587:9:3::12",
+      "kavlan-8": "2001:660:4406:588:9:3::12",
+      "kavlan-9": "2001:660:4406:589:9:3::12"
+    },
+    "eth4": {
+      "kavlan-1": "2001:660:4406:581:9:4::12",
+      "kavlan-11": "2001:660:4406:58b:9:4::12",
+      "kavlan-12": "2001:660:4406:58c:9:4::12",
+      "kavlan-13": "2001:660:4406:58d:9:4::12",
+      "kavlan-14": "2001:660:4406:58e:9:4::12",
+      "kavlan-16": "2001:660:4406:590:9:4::12",
+      "kavlan-18": "2001:660:4406:592:9:4::12",
+      "kavlan-2": "2001:660:4406:582:9:4::12",
+      "kavlan-20": "2001:660:4406:594:9:4::12",
+      "kavlan-21": "2001:660:4406:595:9:4::12",
+      "kavlan-3": "2001:660:4406:583:9:4::12",
+      "kavlan-4": "2001:660:4406:584:9:4::12",
+      "kavlan-5": "2001:660:4406:585:9:4::12",
+      "kavlan-6": "2001:660:4406:586:9:4::12",
+      "kavlan-7": "2001:660:4406:587:9:4::12",
+      "kavlan-8": "2001:660:4406:588:9:4::12",
+      "kavlan-9": "2001:660:4406:589:9:4::12"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -150,6 +247,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:1::12",
       "kavlan": true,
       "mac": "24:6e:96:03:0e:92",
       "management": false,
@@ -170,6 +268,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:2::12",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4b:40",
       "management": false,
@@ -190,6 +289,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:3::12",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4b:42",
       "management": false,
@@ -210,6 +310,7 @@
       "enabled": true,
       "firmware_version": "1.67, 0x80000fab, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:4::12",
       "kavlan": true,
       "mac": "24:6e:96:03:0e:94",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-19.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-19.json
index 618a7ab79ad1a5f0bca9bc633a345b37ca0f92fe..28cfdba747111b1177902d46f6a8a730ce98b279 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-19.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-19.json
@@ -114,6 +114,103 @@
       "kavlan-9": "10.17.73.119"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:9::13",
+      "kavlan-11": "2001:660:4406:58b:9::13",
+      "kavlan-12": "2001:660:4406:58c:9::13",
+      "kavlan-13": "2001:660:4406:58d:9::13",
+      "kavlan-14": "2001:660:4406:58e:9::13",
+      "kavlan-16": "2001:660:4406:590:9::13",
+      "kavlan-18": "2001:660:4406:592:9::13",
+      "kavlan-2": "2001:660:4406:582:9::13",
+      "kavlan-20": "2001:660:4406:594:9::13",
+      "kavlan-21": "2001:660:4406:595:9::13",
+      "kavlan-3": "2001:660:4406:583:9::13",
+      "kavlan-4": "2001:660:4406:584:9::13",
+      "kavlan-5": "2001:660:4406:585:9::13",
+      "kavlan-6": "2001:660:4406:586:9::13",
+      "kavlan-7": "2001:660:4406:587:9::13",
+      "kavlan-8": "2001:660:4406:588:9::13",
+      "kavlan-9": "2001:660:4406:589:9::13"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:9:1::13",
+      "kavlan-11": "2001:660:4406:58b:9:1::13",
+      "kavlan-12": "2001:660:4406:58c:9:1::13",
+      "kavlan-13": "2001:660:4406:58d:9:1::13",
+      "kavlan-14": "2001:660:4406:58e:9:1::13",
+      "kavlan-16": "2001:660:4406:590:9:1::13",
+      "kavlan-18": "2001:660:4406:592:9:1::13",
+      "kavlan-2": "2001:660:4406:582:9:1::13",
+      "kavlan-20": "2001:660:4406:594:9:1::13",
+      "kavlan-21": "2001:660:4406:595:9:1::13",
+      "kavlan-3": "2001:660:4406:583:9:1::13",
+      "kavlan-4": "2001:660:4406:584:9:1::13",
+      "kavlan-5": "2001:660:4406:585:9:1::13",
+      "kavlan-6": "2001:660:4406:586:9:1::13",
+      "kavlan-7": "2001:660:4406:587:9:1::13",
+      "kavlan-8": "2001:660:4406:588:9:1::13",
+      "kavlan-9": "2001:660:4406:589:9:1::13"
+    },
+    "eth2": {
+      "kavlan-1": "2001:660:4406:581:9:2::13",
+      "kavlan-11": "2001:660:4406:58b:9:2::13",
+      "kavlan-12": "2001:660:4406:58c:9:2::13",
+      "kavlan-13": "2001:660:4406:58d:9:2::13",
+      "kavlan-14": "2001:660:4406:58e:9:2::13",
+      "kavlan-16": "2001:660:4406:590:9:2::13",
+      "kavlan-18": "2001:660:4406:592:9:2::13",
+      "kavlan-2": "2001:660:4406:582:9:2::13",
+      "kavlan-20": "2001:660:4406:594:9:2::13",
+      "kavlan-21": "2001:660:4406:595:9:2::13",
+      "kavlan-3": "2001:660:4406:583:9:2::13",
+      "kavlan-4": "2001:660:4406:584:9:2::13",
+      "kavlan-5": "2001:660:4406:585:9:2::13",
+      "kavlan-6": "2001:660:4406:586:9:2::13",
+      "kavlan-7": "2001:660:4406:587:9:2::13",
+      "kavlan-8": "2001:660:4406:588:9:2::13",
+      "kavlan-9": "2001:660:4406:589:9:2::13"
+    },
+    "eth3": {
+      "kavlan-1": "2001:660:4406:581:9:3::13",
+      "kavlan-11": "2001:660:4406:58b:9:3::13",
+      "kavlan-12": "2001:660:4406:58c:9:3::13",
+      "kavlan-13": "2001:660:4406:58d:9:3::13",
+      "kavlan-14": "2001:660:4406:58e:9:3::13",
+      "kavlan-16": "2001:660:4406:590:9:3::13",
+      "kavlan-18": "2001:660:4406:592:9:3::13",
+      "kavlan-2": "2001:660:4406:582:9:3::13",
+      "kavlan-20": "2001:660:4406:594:9:3::13",
+      "kavlan-21": "2001:660:4406:595:9:3::13",
+      "kavlan-3": "2001:660:4406:583:9:3::13",
+      "kavlan-4": "2001:660:4406:584:9:3::13",
+      "kavlan-5": "2001:660:4406:585:9:3::13",
+      "kavlan-6": "2001:660:4406:586:9:3::13",
+      "kavlan-7": "2001:660:4406:587:9:3::13",
+      "kavlan-8": "2001:660:4406:588:9:3::13",
+      "kavlan-9": "2001:660:4406:589:9:3::13"
+    },
+    "eth4": {
+      "kavlan-1": "2001:660:4406:581:9:4::13",
+      "kavlan-11": "2001:660:4406:58b:9:4::13",
+      "kavlan-12": "2001:660:4406:58c:9:4::13",
+      "kavlan-13": "2001:660:4406:58d:9:4::13",
+      "kavlan-14": "2001:660:4406:58e:9:4::13",
+      "kavlan-16": "2001:660:4406:590:9:4::13",
+      "kavlan-18": "2001:660:4406:592:9:4::13",
+      "kavlan-2": "2001:660:4406:582:9:4::13",
+      "kavlan-20": "2001:660:4406:594:9:4::13",
+      "kavlan-21": "2001:660:4406:595:9:4::13",
+      "kavlan-3": "2001:660:4406:583:9:4::13",
+      "kavlan-4": "2001:660:4406:584:9:4::13",
+      "kavlan-5": "2001:660:4406:585:9:4::13",
+      "kavlan-6": "2001:660:4406:586:9:4::13",
+      "kavlan-7": "2001:660:4406:587:9:4::13",
+      "kavlan-8": "2001:660:4406:588:9:4::13",
+      "kavlan-9": "2001:660:4406:589:9:4::13"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -150,6 +247,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:1::13",
       "kavlan": true,
       "mac": "24:6e:96:03:0f:a2",
       "management": false,
@@ -170,6 +268,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:2::13",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4c:f4",
       "management": false,
@@ -190,6 +289,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:3::13",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4c:f6",
       "management": false,
@@ -210,6 +310,7 @@
       "enabled": true,
       "firmware_version": "1.67, 0x80000fab, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:4::13",
       "kavlan": true,
       "mac": "24:6e:96:03:0f:a4",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-2.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-2.json
index 4efc3ccb030a9fb59316b499d087c6f9e077b5ba..3dd7a81622dec11c08e0aae564b4a58166568406 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-2.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-2.json
@@ -114,6 +114,103 @@
       "kavlan-9": "10.17.73.102"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:9::2",
+      "kavlan-11": "2001:660:4406:58b:9::2",
+      "kavlan-12": "2001:660:4406:58c:9::2",
+      "kavlan-13": "2001:660:4406:58d:9::2",
+      "kavlan-14": "2001:660:4406:58e:9::2",
+      "kavlan-16": "2001:660:4406:590:9::2",
+      "kavlan-18": "2001:660:4406:592:9::2",
+      "kavlan-2": "2001:660:4406:582:9::2",
+      "kavlan-20": "2001:660:4406:594:9::2",
+      "kavlan-21": "2001:660:4406:595:9::2",
+      "kavlan-3": "2001:660:4406:583:9::2",
+      "kavlan-4": "2001:660:4406:584:9::2",
+      "kavlan-5": "2001:660:4406:585:9::2",
+      "kavlan-6": "2001:660:4406:586:9::2",
+      "kavlan-7": "2001:660:4406:587:9::2",
+      "kavlan-8": "2001:660:4406:588:9::2",
+      "kavlan-9": "2001:660:4406:589:9::2"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:9:1::2",
+      "kavlan-11": "2001:660:4406:58b:9:1::2",
+      "kavlan-12": "2001:660:4406:58c:9:1::2",
+      "kavlan-13": "2001:660:4406:58d:9:1::2",
+      "kavlan-14": "2001:660:4406:58e:9:1::2",
+      "kavlan-16": "2001:660:4406:590:9:1::2",
+      "kavlan-18": "2001:660:4406:592:9:1::2",
+      "kavlan-2": "2001:660:4406:582:9:1::2",
+      "kavlan-20": "2001:660:4406:594:9:1::2",
+      "kavlan-21": "2001:660:4406:595:9:1::2",
+      "kavlan-3": "2001:660:4406:583:9:1::2",
+      "kavlan-4": "2001:660:4406:584:9:1::2",
+      "kavlan-5": "2001:660:4406:585:9:1::2",
+      "kavlan-6": "2001:660:4406:586:9:1::2",
+      "kavlan-7": "2001:660:4406:587:9:1::2",
+      "kavlan-8": "2001:660:4406:588:9:1::2",
+      "kavlan-9": "2001:660:4406:589:9:1::2"
+    },
+    "eth2": {
+      "kavlan-1": "2001:660:4406:581:9:2::2",
+      "kavlan-11": "2001:660:4406:58b:9:2::2",
+      "kavlan-12": "2001:660:4406:58c:9:2::2",
+      "kavlan-13": "2001:660:4406:58d:9:2::2",
+      "kavlan-14": "2001:660:4406:58e:9:2::2",
+      "kavlan-16": "2001:660:4406:590:9:2::2",
+      "kavlan-18": "2001:660:4406:592:9:2::2",
+      "kavlan-2": "2001:660:4406:582:9:2::2",
+      "kavlan-20": "2001:660:4406:594:9:2::2",
+      "kavlan-21": "2001:660:4406:595:9:2::2",
+      "kavlan-3": "2001:660:4406:583:9:2::2",
+      "kavlan-4": "2001:660:4406:584:9:2::2",
+      "kavlan-5": "2001:660:4406:585:9:2::2",
+      "kavlan-6": "2001:660:4406:586:9:2::2",
+      "kavlan-7": "2001:660:4406:587:9:2::2",
+      "kavlan-8": "2001:660:4406:588:9:2::2",
+      "kavlan-9": "2001:660:4406:589:9:2::2"
+    },
+    "eth3": {
+      "kavlan-1": "2001:660:4406:581:9:3::2",
+      "kavlan-11": "2001:660:4406:58b:9:3::2",
+      "kavlan-12": "2001:660:4406:58c:9:3::2",
+      "kavlan-13": "2001:660:4406:58d:9:3::2",
+      "kavlan-14": "2001:660:4406:58e:9:3::2",
+      "kavlan-16": "2001:660:4406:590:9:3::2",
+      "kavlan-18": "2001:660:4406:592:9:3::2",
+      "kavlan-2": "2001:660:4406:582:9:3::2",
+      "kavlan-20": "2001:660:4406:594:9:3::2",
+      "kavlan-21": "2001:660:4406:595:9:3::2",
+      "kavlan-3": "2001:660:4406:583:9:3::2",
+      "kavlan-4": "2001:660:4406:584:9:3::2",
+      "kavlan-5": "2001:660:4406:585:9:3::2",
+      "kavlan-6": "2001:660:4406:586:9:3::2",
+      "kavlan-7": "2001:660:4406:587:9:3::2",
+      "kavlan-8": "2001:660:4406:588:9:3::2",
+      "kavlan-9": "2001:660:4406:589:9:3::2"
+    },
+    "eth4": {
+      "kavlan-1": "2001:660:4406:581:9:4::2",
+      "kavlan-11": "2001:660:4406:58b:9:4::2",
+      "kavlan-12": "2001:660:4406:58c:9:4::2",
+      "kavlan-13": "2001:660:4406:58d:9:4::2",
+      "kavlan-14": "2001:660:4406:58e:9:4::2",
+      "kavlan-16": "2001:660:4406:590:9:4::2",
+      "kavlan-18": "2001:660:4406:592:9:4::2",
+      "kavlan-2": "2001:660:4406:582:9:4::2",
+      "kavlan-20": "2001:660:4406:594:9:4::2",
+      "kavlan-21": "2001:660:4406:595:9:4::2",
+      "kavlan-3": "2001:660:4406:583:9:4::2",
+      "kavlan-4": "2001:660:4406:584:9:4::2",
+      "kavlan-5": "2001:660:4406:585:9:4::2",
+      "kavlan-6": "2001:660:4406:586:9:4::2",
+      "kavlan-7": "2001:660:4406:587:9:4::2",
+      "kavlan-8": "2001:660:4406:588:9:4::2",
+      "kavlan-9": "2001:660:4406:589:9:4::2"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -150,6 +247,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:1::2",
       "kavlan": true,
       "mac": "24:6e:96:03:0c:9a",
       "management": false,
@@ -170,6 +268,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:2::2",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4b:54",
       "management": false,
@@ -190,6 +289,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:3::2",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4b:56",
       "management": false,
@@ -210,6 +310,7 @@
       "enabled": true,
       "firmware_version": "1.67, 0x80000fab, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:4::2",
       "kavlan": true,
       "mac": "24:6e:96:03:0c:9c",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-20.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-20.json
index c5fcea420b0570f4c1f632980b55dceb15b0820e..afda0ef6dee07cba9d08fcb102479f210376e3ce 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-20.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-20.json
@@ -114,6 +114,103 @@
       "kavlan-9": "10.17.73.120"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:9::14",
+      "kavlan-11": "2001:660:4406:58b:9::14",
+      "kavlan-12": "2001:660:4406:58c:9::14",
+      "kavlan-13": "2001:660:4406:58d:9::14",
+      "kavlan-14": "2001:660:4406:58e:9::14",
+      "kavlan-16": "2001:660:4406:590:9::14",
+      "kavlan-18": "2001:660:4406:592:9::14",
+      "kavlan-2": "2001:660:4406:582:9::14",
+      "kavlan-20": "2001:660:4406:594:9::14",
+      "kavlan-21": "2001:660:4406:595:9::14",
+      "kavlan-3": "2001:660:4406:583:9::14",
+      "kavlan-4": "2001:660:4406:584:9::14",
+      "kavlan-5": "2001:660:4406:585:9::14",
+      "kavlan-6": "2001:660:4406:586:9::14",
+      "kavlan-7": "2001:660:4406:587:9::14",
+      "kavlan-8": "2001:660:4406:588:9::14",
+      "kavlan-9": "2001:660:4406:589:9::14"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:9:1::14",
+      "kavlan-11": "2001:660:4406:58b:9:1::14",
+      "kavlan-12": "2001:660:4406:58c:9:1::14",
+      "kavlan-13": "2001:660:4406:58d:9:1::14",
+      "kavlan-14": "2001:660:4406:58e:9:1::14",
+      "kavlan-16": "2001:660:4406:590:9:1::14",
+      "kavlan-18": "2001:660:4406:592:9:1::14",
+      "kavlan-2": "2001:660:4406:582:9:1::14",
+      "kavlan-20": "2001:660:4406:594:9:1::14",
+      "kavlan-21": "2001:660:4406:595:9:1::14",
+      "kavlan-3": "2001:660:4406:583:9:1::14",
+      "kavlan-4": "2001:660:4406:584:9:1::14",
+      "kavlan-5": "2001:660:4406:585:9:1::14",
+      "kavlan-6": "2001:660:4406:586:9:1::14",
+      "kavlan-7": "2001:660:4406:587:9:1::14",
+      "kavlan-8": "2001:660:4406:588:9:1::14",
+      "kavlan-9": "2001:660:4406:589:9:1::14"
+    },
+    "eth2": {
+      "kavlan-1": "2001:660:4406:581:9:2::14",
+      "kavlan-11": "2001:660:4406:58b:9:2::14",
+      "kavlan-12": "2001:660:4406:58c:9:2::14",
+      "kavlan-13": "2001:660:4406:58d:9:2::14",
+      "kavlan-14": "2001:660:4406:58e:9:2::14",
+      "kavlan-16": "2001:660:4406:590:9:2::14",
+      "kavlan-18": "2001:660:4406:592:9:2::14",
+      "kavlan-2": "2001:660:4406:582:9:2::14",
+      "kavlan-20": "2001:660:4406:594:9:2::14",
+      "kavlan-21": "2001:660:4406:595:9:2::14",
+      "kavlan-3": "2001:660:4406:583:9:2::14",
+      "kavlan-4": "2001:660:4406:584:9:2::14",
+      "kavlan-5": "2001:660:4406:585:9:2::14",
+      "kavlan-6": "2001:660:4406:586:9:2::14",
+      "kavlan-7": "2001:660:4406:587:9:2::14",
+      "kavlan-8": "2001:660:4406:588:9:2::14",
+      "kavlan-9": "2001:660:4406:589:9:2::14"
+    },
+    "eth3": {
+      "kavlan-1": "2001:660:4406:581:9:3::14",
+      "kavlan-11": "2001:660:4406:58b:9:3::14",
+      "kavlan-12": "2001:660:4406:58c:9:3::14",
+      "kavlan-13": "2001:660:4406:58d:9:3::14",
+      "kavlan-14": "2001:660:4406:58e:9:3::14",
+      "kavlan-16": "2001:660:4406:590:9:3::14",
+      "kavlan-18": "2001:660:4406:592:9:3::14",
+      "kavlan-2": "2001:660:4406:582:9:3::14",
+      "kavlan-20": "2001:660:4406:594:9:3::14",
+      "kavlan-21": "2001:660:4406:595:9:3::14",
+      "kavlan-3": "2001:660:4406:583:9:3::14",
+      "kavlan-4": "2001:660:4406:584:9:3::14",
+      "kavlan-5": "2001:660:4406:585:9:3::14",
+      "kavlan-6": "2001:660:4406:586:9:3::14",
+      "kavlan-7": "2001:660:4406:587:9:3::14",
+      "kavlan-8": "2001:660:4406:588:9:3::14",
+      "kavlan-9": "2001:660:4406:589:9:3::14"
+    },
+    "eth4": {
+      "kavlan-1": "2001:660:4406:581:9:4::14",
+      "kavlan-11": "2001:660:4406:58b:9:4::14",
+      "kavlan-12": "2001:660:4406:58c:9:4::14",
+      "kavlan-13": "2001:660:4406:58d:9:4::14",
+      "kavlan-14": "2001:660:4406:58e:9:4::14",
+      "kavlan-16": "2001:660:4406:590:9:4::14",
+      "kavlan-18": "2001:660:4406:592:9:4::14",
+      "kavlan-2": "2001:660:4406:582:9:4::14",
+      "kavlan-20": "2001:660:4406:594:9:4::14",
+      "kavlan-21": "2001:660:4406:595:9:4::14",
+      "kavlan-3": "2001:660:4406:583:9:4::14",
+      "kavlan-4": "2001:660:4406:584:9:4::14",
+      "kavlan-5": "2001:660:4406:585:9:4::14",
+      "kavlan-6": "2001:660:4406:586:9:4::14",
+      "kavlan-7": "2001:660:4406:587:9:4::14",
+      "kavlan-8": "2001:660:4406:588:9:4::14",
+      "kavlan-9": "2001:660:4406:589:9:4::14"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -150,6 +247,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:1::14",
       "kavlan": true,
       "mac": "24:6e:96:03:09:da",
       "management": false,
@@ -170,6 +268,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:2::14",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4e:ec",
       "management": false,
@@ -190,6 +289,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:3::14",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4e:ee",
       "management": false,
@@ -210,6 +310,7 @@
       "enabled": true,
       "firmware_version": "1.67, 0x80000fab, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:4::14",
       "kavlan": true,
       "mac": "24:6e:96:03:09:dc",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-21.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-21.json
index 427b8dd60a82527f3cbe2e9be276f8014fd9084d..3b9e950a88d66ff1ede9f21706880d81935be46a 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-21.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-21.json
@@ -114,6 +114,103 @@
       "kavlan-9": "10.17.73.121"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:9::15",
+      "kavlan-11": "2001:660:4406:58b:9::15",
+      "kavlan-12": "2001:660:4406:58c:9::15",
+      "kavlan-13": "2001:660:4406:58d:9::15",
+      "kavlan-14": "2001:660:4406:58e:9::15",
+      "kavlan-16": "2001:660:4406:590:9::15",
+      "kavlan-18": "2001:660:4406:592:9::15",
+      "kavlan-2": "2001:660:4406:582:9::15",
+      "kavlan-20": "2001:660:4406:594:9::15",
+      "kavlan-21": "2001:660:4406:595:9::15",
+      "kavlan-3": "2001:660:4406:583:9::15",
+      "kavlan-4": "2001:660:4406:584:9::15",
+      "kavlan-5": "2001:660:4406:585:9::15",
+      "kavlan-6": "2001:660:4406:586:9::15",
+      "kavlan-7": "2001:660:4406:587:9::15",
+      "kavlan-8": "2001:660:4406:588:9::15",
+      "kavlan-9": "2001:660:4406:589:9::15"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:9:1::15",
+      "kavlan-11": "2001:660:4406:58b:9:1::15",
+      "kavlan-12": "2001:660:4406:58c:9:1::15",
+      "kavlan-13": "2001:660:4406:58d:9:1::15",
+      "kavlan-14": "2001:660:4406:58e:9:1::15",
+      "kavlan-16": "2001:660:4406:590:9:1::15",
+      "kavlan-18": "2001:660:4406:592:9:1::15",
+      "kavlan-2": "2001:660:4406:582:9:1::15",
+      "kavlan-20": "2001:660:4406:594:9:1::15",
+      "kavlan-21": "2001:660:4406:595:9:1::15",
+      "kavlan-3": "2001:660:4406:583:9:1::15",
+      "kavlan-4": "2001:660:4406:584:9:1::15",
+      "kavlan-5": "2001:660:4406:585:9:1::15",
+      "kavlan-6": "2001:660:4406:586:9:1::15",
+      "kavlan-7": "2001:660:4406:587:9:1::15",
+      "kavlan-8": "2001:660:4406:588:9:1::15",
+      "kavlan-9": "2001:660:4406:589:9:1::15"
+    },
+    "eth2": {
+      "kavlan-1": "2001:660:4406:581:9:2::15",
+      "kavlan-11": "2001:660:4406:58b:9:2::15",
+      "kavlan-12": "2001:660:4406:58c:9:2::15",
+      "kavlan-13": "2001:660:4406:58d:9:2::15",
+      "kavlan-14": "2001:660:4406:58e:9:2::15",
+      "kavlan-16": "2001:660:4406:590:9:2::15",
+      "kavlan-18": "2001:660:4406:592:9:2::15",
+      "kavlan-2": "2001:660:4406:582:9:2::15",
+      "kavlan-20": "2001:660:4406:594:9:2::15",
+      "kavlan-21": "2001:660:4406:595:9:2::15",
+      "kavlan-3": "2001:660:4406:583:9:2::15",
+      "kavlan-4": "2001:660:4406:584:9:2::15",
+      "kavlan-5": "2001:660:4406:585:9:2::15",
+      "kavlan-6": "2001:660:4406:586:9:2::15",
+      "kavlan-7": "2001:660:4406:587:9:2::15",
+      "kavlan-8": "2001:660:4406:588:9:2::15",
+      "kavlan-9": "2001:660:4406:589:9:2::15"
+    },
+    "eth3": {
+      "kavlan-1": "2001:660:4406:581:9:3::15",
+      "kavlan-11": "2001:660:4406:58b:9:3::15",
+      "kavlan-12": "2001:660:4406:58c:9:3::15",
+      "kavlan-13": "2001:660:4406:58d:9:3::15",
+      "kavlan-14": "2001:660:4406:58e:9:3::15",
+      "kavlan-16": "2001:660:4406:590:9:3::15",
+      "kavlan-18": "2001:660:4406:592:9:3::15",
+      "kavlan-2": "2001:660:4406:582:9:3::15",
+      "kavlan-20": "2001:660:4406:594:9:3::15",
+      "kavlan-21": "2001:660:4406:595:9:3::15",
+      "kavlan-3": "2001:660:4406:583:9:3::15",
+      "kavlan-4": "2001:660:4406:584:9:3::15",
+      "kavlan-5": "2001:660:4406:585:9:3::15",
+      "kavlan-6": "2001:660:4406:586:9:3::15",
+      "kavlan-7": "2001:660:4406:587:9:3::15",
+      "kavlan-8": "2001:660:4406:588:9:3::15",
+      "kavlan-9": "2001:660:4406:589:9:3::15"
+    },
+    "eth4": {
+      "kavlan-1": "2001:660:4406:581:9:4::15",
+      "kavlan-11": "2001:660:4406:58b:9:4::15",
+      "kavlan-12": "2001:660:4406:58c:9:4::15",
+      "kavlan-13": "2001:660:4406:58d:9:4::15",
+      "kavlan-14": "2001:660:4406:58e:9:4::15",
+      "kavlan-16": "2001:660:4406:590:9:4::15",
+      "kavlan-18": "2001:660:4406:592:9:4::15",
+      "kavlan-2": "2001:660:4406:582:9:4::15",
+      "kavlan-20": "2001:660:4406:594:9:4::15",
+      "kavlan-21": "2001:660:4406:595:9:4::15",
+      "kavlan-3": "2001:660:4406:583:9:4::15",
+      "kavlan-4": "2001:660:4406:584:9:4::15",
+      "kavlan-5": "2001:660:4406:585:9:4::15",
+      "kavlan-6": "2001:660:4406:586:9:4::15",
+      "kavlan-7": "2001:660:4406:587:9:4::15",
+      "kavlan-8": "2001:660:4406:588:9:4::15",
+      "kavlan-9": "2001:660:4406:589:9:4::15"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -150,6 +247,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:1::15",
       "kavlan": true,
       "mac": "24:6e:96:03:0a:12",
       "management": false,
@@ -170,6 +268,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:2::15",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4c:fc",
       "management": false,
@@ -190,6 +289,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:3::15",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4c:fe",
       "management": false,
@@ -210,6 +310,7 @@
       "enabled": true,
       "firmware_version": "1.67, 0x80000fab, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:4::15",
       "kavlan": true,
       "mac": "24:6e:96:03:0a:14",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-22.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-22.json
index 90a108168c8df87315b1f50d37efaa7edd2aad64..429a63bdcf578392746e4d092c58218dd6292c26 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-22.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-22.json
@@ -114,6 +114,103 @@
       "kavlan-9": "10.17.73.122"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:9::16",
+      "kavlan-11": "2001:660:4406:58b:9::16",
+      "kavlan-12": "2001:660:4406:58c:9::16",
+      "kavlan-13": "2001:660:4406:58d:9::16",
+      "kavlan-14": "2001:660:4406:58e:9::16",
+      "kavlan-16": "2001:660:4406:590:9::16",
+      "kavlan-18": "2001:660:4406:592:9::16",
+      "kavlan-2": "2001:660:4406:582:9::16",
+      "kavlan-20": "2001:660:4406:594:9::16",
+      "kavlan-21": "2001:660:4406:595:9::16",
+      "kavlan-3": "2001:660:4406:583:9::16",
+      "kavlan-4": "2001:660:4406:584:9::16",
+      "kavlan-5": "2001:660:4406:585:9::16",
+      "kavlan-6": "2001:660:4406:586:9::16",
+      "kavlan-7": "2001:660:4406:587:9::16",
+      "kavlan-8": "2001:660:4406:588:9::16",
+      "kavlan-9": "2001:660:4406:589:9::16"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:9:1::16",
+      "kavlan-11": "2001:660:4406:58b:9:1::16",
+      "kavlan-12": "2001:660:4406:58c:9:1::16",
+      "kavlan-13": "2001:660:4406:58d:9:1::16",
+      "kavlan-14": "2001:660:4406:58e:9:1::16",
+      "kavlan-16": "2001:660:4406:590:9:1::16",
+      "kavlan-18": "2001:660:4406:592:9:1::16",
+      "kavlan-2": "2001:660:4406:582:9:1::16",
+      "kavlan-20": "2001:660:4406:594:9:1::16",
+      "kavlan-21": "2001:660:4406:595:9:1::16",
+      "kavlan-3": "2001:660:4406:583:9:1::16",
+      "kavlan-4": "2001:660:4406:584:9:1::16",
+      "kavlan-5": "2001:660:4406:585:9:1::16",
+      "kavlan-6": "2001:660:4406:586:9:1::16",
+      "kavlan-7": "2001:660:4406:587:9:1::16",
+      "kavlan-8": "2001:660:4406:588:9:1::16",
+      "kavlan-9": "2001:660:4406:589:9:1::16"
+    },
+    "eth2": {
+      "kavlan-1": "2001:660:4406:581:9:2::16",
+      "kavlan-11": "2001:660:4406:58b:9:2::16",
+      "kavlan-12": "2001:660:4406:58c:9:2::16",
+      "kavlan-13": "2001:660:4406:58d:9:2::16",
+      "kavlan-14": "2001:660:4406:58e:9:2::16",
+      "kavlan-16": "2001:660:4406:590:9:2::16",
+      "kavlan-18": "2001:660:4406:592:9:2::16",
+      "kavlan-2": "2001:660:4406:582:9:2::16",
+      "kavlan-20": "2001:660:4406:594:9:2::16",
+      "kavlan-21": "2001:660:4406:595:9:2::16",
+      "kavlan-3": "2001:660:4406:583:9:2::16",
+      "kavlan-4": "2001:660:4406:584:9:2::16",
+      "kavlan-5": "2001:660:4406:585:9:2::16",
+      "kavlan-6": "2001:660:4406:586:9:2::16",
+      "kavlan-7": "2001:660:4406:587:9:2::16",
+      "kavlan-8": "2001:660:4406:588:9:2::16",
+      "kavlan-9": "2001:660:4406:589:9:2::16"
+    },
+    "eth3": {
+      "kavlan-1": "2001:660:4406:581:9:3::16",
+      "kavlan-11": "2001:660:4406:58b:9:3::16",
+      "kavlan-12": "2001:660:4406:58c:9:3::16",
+      "kavlan-13": "2001:660:4406:58d:9:3::16",
+      "kavlan-14": "2001:660:4406:58e:9:3::16",
+      "kavlan-16": "2001:660:4406:590:9:3::16",
+      "kavlan-18": "2001:660:4406:592:9:3::16",
+      "kavlan-2": "2001:660:4406:582:9:3::16",
+      "kavlan-20": "2001:660:4406:594:9:3::16",
+      "kavlan-21": "2001:660:4406:595:9:3::16",
+      "kavlan-3": "2001:660:4406:583:9:3::16",
+      "kavlan-4": "2001:660:4406:584:9:3::16",
+      "kavlan-5": "2001:660:4406:585:9:3::16",
+      "kavlan-6": "2001:660:4406:586:9:3::16",
+      "kavlan-7": "2001:660:4406:587:9:3::16",
+      "kavlan-8": "2001:660:4406:588:9:3::16",
+      "kavlan-9": "2001:660:4406:589:9:3::16"
+    },
+    "eth4": {
+      "kavlan-1": "2001:660:4406:581:9:4::16",
+      "kavlan-11": "2001:660:4406:58b:9:4::16",
+      "kavlan-12": "2001:660:4406:58c:9:4::16",
+      "kavlan-13": "2001:660:4406:58d:9:4::16",
+      "kavlan-14": "2001:660:4406:58e:9:4::16",
+      "kavlan-16": "2001:660:4406:590:9:4::16",
+      "kavlan-18": "2001:660:4406:592:9:4::16",
+      "kavlan-2": "2001:660:4406:582:9:4::16",
+      "kavlan-20": "2001:660:4406:594:9:4::16",
+      "kavlan-21": "2001:660:4406:595:9:4::16",
+      "kavlan-3": "2001:660:4406:583:9:4::16",
+      "kavlan-4": "2001:660:4406:584:9:4::16",
+      "kavlan-5": "2001:660:4406:585:9:4::16",
+      "kavlan-6": "2001:660:4406:586:9:4::16",
+      "kavlan-7": "2001:660:4406:587:9:4::16",
+      "kavlan-8": "2001:660:4406:588:9:4::16",
+      "kavlan-9": "2001:660:4406:589:9:4::16"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -150,6 +247,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:1::16",
       "kavlan": true,
       "mac": "24:6e:96:03:0a:6a",
       "management": false,
@@ -170,6 +268,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:2::16",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4d:e8",
       "management": false,
@@ -190,6 +289,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:3::16",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4d:ea",
       "management": false,
@@ -210,6 +310,7 @@
       "enabled": true,
       "firmware_version": "1.67, 0x80000fab, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:4::16",
       "kavlan": true,
       "mac": "24:6e:96:03:0a:6c",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-23.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-23.json
index 78df92ab46139cda07ae5044f2b9d52dbb686b94..f746107082b3549fb21d4e994784f61db5d6f4df 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-23.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-23.json
@@ -114,6 +114,103 @@
       "kavlan-9": "10.17.73.123"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:9::17",
+      "kavlan-11": "2001:660:4406:58b:9::17",
+      "kavlan-12": "2001:660:4406:58c:9::17",
+      "kavlan-13": "2001:660:4406:58d:9::17",
+      "kavlan-14": "2001:660:4406:58e:9::17",
+      "kavlan-16": "2001:660:4406:590:9::17",
+      "kavlan-18": "2001:660:4406:592:9::17",
+      "kavlan-2": "2001:660:4406:582:9::17",
+      "kavlan-20": "2001:660:4406:594:9::17",
+      "kavlan-21": "2001:660:4406:595:9::17",
+      "kavlan-3": "2001:660:4406:583:9::17",
+      "kavlan-4": "2001:660:4406:584:9::17",
+      "kavlan-5": "2001:660:4406:585:9::17",
+      "kavlan-6": "2001:660:4406:586:9::17",
+      "kavlan-7": "2001:660:4406:587:9::17",
+      "kavlan-8": "2001:660:4406:588:9::17",
+      "kavlan-9": "2001:660:4406:589:9::17"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:9:1::17",
+      "kavlan-11": "2001:660:4406:58b:9:1::17",
+      "kavlan-12": "2001:660:4406:58c:9:1::17",
+      "kavlan-13": "2001:660:4406:58d:9:1::17",
+      "kavlan-14": "2001:660:4406:58e:9:1::17",
+      "kavlan-16": "2001:660:4406:590:9:1::17",
+      "kavlan-18": "2001:660:4406:592:9:1::17",
+      "kavlan-2": "2001:660:4406:582:9:1::17",
+      "kavlan-20": "2001:660:4406:594:9:1::17",
+      "kavlan-21": "2001:660:4406:595:9:1::17",
+      "kavlan-3": "2001:660:4406:583:9:1::17",
+      "kavlan-4": "2001:660:4406:584:9:1::17",
+      "kavlan-5": "2001:660:4406:585:9:1::17",
+      "kavlan-6": "2001:660:4406:586:9:1::17",
+      "kavlan-7": "2001:660:4406:587:9:1::17",
+      "kavlan-8": "2001:660:4406:588:9:1::17",
+      "kavlan-9": "2001:660:4406:589:9:1::17"
+    },
+    "eth2": {
+      "kavlan-1": "2001:660:4406:581:9:2::17",
+      "kavlan-11": "2001:660:4406:58b:9:2::17",
+      "kavlan-12": "2001:660:4406:58c:9:2::17",
+      "kavlan-13": "2001:660:4406:58d:9:2::17",
+      "kavlan-14": "2001:660:4406:58e:9:2::17",
+      "kavlan-16": "2001:660:4406:590:9:2::17",
+      "kavlan-18": "2001:660:4406:592:9:2::17",
+      "kavlan-2": "2001:660:4406:582:9:2::17",
+      "kavlan-20": "2001:660:4406:594:9:2::17",
+      "kavlan-21": "2001:660:4406:595:9:2::17",
+      "kavlan-3": "2001:660:4406:583:9:2::17",
+      "kavlan-4": "2001:660:4406:584:9:2::17",
+      "kavlan-5": "2001:660:4406:585:9:2::17",
+      "kavlan-6": "2001:660:4406:586:9:2::17",
+      "kavlan-7": "2001:660:4406:587:9:2::17",
+      "kavlan-8": "2001:660:4406:588:9:2::17",
+      "kavlan-9": "2001:660:4406:589:9:2::17"
+    },
+    "eth3": {
+      "kavlan-1": "2001:660:4406:581:9:3::17",
+      "kavlan-11": "2001:660:4406:58b:9:3::17",
+      "kavlan-12": "2001:660:4406:58c:9:3::17",
+      "kavlan-13": "2001:660:4406:58d:9:3::17",
+      "kavlan-14": "2001:660:4406:58e:9:3::17",
+      "kavlan-16": "2001:660:4406:590:9:3::17",
+      "kavlan-18": "2001:660:4406:592:9:3::17",
+      "kavlan-2": "2001:660:4406:582:9:3::17",
+      "kavlan-20": "2001:660:4406:594:9:3::17",
+      "kavlan-21": "2001:660:4406:595:9:3::17",
+      "kavlan-3": "2001:660:4406:583:9:3::17",
+      "kavlan-4": "2001:660:4406:584:9:3::17",
+      "kavlan-5": "2001:660:4406:585:9:3::17",
+      "kavlan-6": "2001:660:4406:586:9:3::17",
+      "kavlan-7": "2001:660:4406:587:9:3::17",
+      "kavlan-8": "2001:660:4406:588:9:3::17",
+      "kavlan-9": "2001:660:4406:589:9:3::17"
+    },
+    "eth4": {
+      "kavlan-1": "2001:660:4406:581:9:4::17",
+      "kavlan-11": "2001:660:4406:58b:9:4::17",
+      "kavlan-12": "2001:660:4406:58c:9:4::17",
+      "kavlan-13": "2001:660:4406:58d:9:4::17",
+      "kavlan-14": "2001:660:4406:58e:9:4::17",
+      "kavlan-16": "2001:660:4406:590:9:4::17",
+      "kavlan-18": "2001:660:4406:592:9:4::17",
+      "kavlan-2": "2001:660:4406:582:9:4::17",
+      "kavlan-20": "2001:660:4406:594:9:4::17",
+      "kavlan-21": "2001:660:4406:595:9:4::17",
+      "kavlan-3": "2001:660:4406:583:9:4::17",
+      "kavlan-4": "2001:660:4406:584:9:4::17",
+      "kavlan-5": "2001:660:4406:585:9:4::17",
+      "kavlan-6": "2001:660:4406:586:9:4::17",
+      "kavlan-7": "2001:660:4406:587:9:4::17",
+      "kavlan-8": "2001:660:4406:588:9:4::17",
+      "kavlan-9": "2001:660:4406:589:9:4::17"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -150,6 +247,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:1::17",
       "kavlan": true,
       "mac": "24:6e:96:02:a1:3a",
       "management": false,
@@ -170,6 +268,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:2::17",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4b:a0",
       "management": false,
@@ -190,6 +289,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:3::17",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4b:a2",
       "management": false,
@@ -210,6 +310,7 @@
       "enabled": true,
       "firmware_version": "1.67, 0x80000fab, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:4::17",
       "kavlan": true,
       "mac": "24:6e:96:02:a1:3c",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-24.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-24.json
index f10fde1957b0acfd4a746461d23a6d0262b63b89..bfa0a97ca39f277a80c8fc60bf708d7914810230 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-24.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-24.json
@@ -114,6 +114,103 @@
       "kavlan-9": "10.17.73.124"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:9::18",
+      "kavlan-11": "2001:660:4406:58b:9::18",
+      "kavlan-12": "2001:660:4406:58c:9::18",
+      "kavlan-13": "2001:660:4406:58d:9::18",
+      "kavlan-14": "2001:660:4406:58e:9::18",
+      "kavlan-16": "2001:660:4406:590:9::18",
+      "kavlan-18": "2001:660:4406:592:9::18",
+      "kavlan-2": "2001:660:4406:582:9::18",
+      "kavlan-20": "2001:660:4406:594:9::18",
+      "kavlan-21": "2001:660:4406:595:9::18",
+      "kavlan-3": "2001:660:4406:583:9::18",
+      "kavlan-4": "2001:660:4406:584:9::18",
+      "kavlan-5": "2001:660:4406:585:9::18",
+      "kavlan-6": "2001:660:4406:586:9::18",
+      "kavlan-7": "2001:660:4406:587:9::18",
+      "kavlan-8": "2001:660:4406:588:9::18",
+      "kavlan-9": "2001:660:4406:589:9::18"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:9:1::18",
+      "kavlan-11": "2001:660:4406:58b:9:1::18",
+      "kavlan-12": "2001:660:4406:58c:9:1::18",
+      "kavlan-13": "2001:660:4406:58d:9:1::18",
+      "kavlan-14": "2001:660:4406:58e:9:1::18",
+      "kavlan-16": "2001:660:4406:590:9:1::18",
+      "kavlan-18": "2001:660:4406:592:9:1::18",
+      "kavlan-2": "2001:660:4406:582:9:1::18",
+      "kavlan-20": "2001:660:4406:594:9:1::18",
+      "kavlan-21": "2001:660:4406:595:9:1::18",
+      "kavlan-3": "2001:660:4406:583:9:1::18",
+      "kavlan-4": "2001:660:4406:584:9:1::18",
+      "kavlan-5": "2001:660:4406:585:9:1::18",
+      "kavlan-6": "2001:660:4406:586:9:1::18",
+      "kavlan-7": "2001:660:4406:587:9:1::18",
+      "kavlan-8": "2001:660:4406:588:9:1::18",
+      "kavlan-9": "2001:660:4406:589:9:1::18"
+    },
+    "eth2": {
+      "kavlan-1": "2001:660:4406:581:9:2::18",
+      "kavlan-11": "2001:660:4406:58b:9:2::18",
+      "kavlan-12": "2001:660:4406:58c:9:2::18",
+      "kavlan-13": "2001:660:4406:58d:9:2::18",
+      "kavlan-14": "2001:660:4406:58e:9:2::18",
+      "kavlan-16": "2001:660:4406:590:9:2::18",
+      "kavlan-18": "2001:660:4406:592:9:2::18",
+      "kavlan-2": "2001:660:4406:582:9:2::18",
+      "kavlan-20": "2001:660:4406:594:9:2::18",
+      "kavlan-21": "2001:660:4406:595:9:2::18",
+      "kavlan-3": "2001:660:4406:583:9:2::18",
+      "kavlan-4": "2001:660:4406:584:9:2::18",
+      "kavlan-5": "2001:660:4406:585:9:2::18",
+      "kavlan-6": "2001:660:4406:586:9:2::18",
+      "kavlan-7": "2001:660:4406:587:9:2::18",
+      "kavlan-8": "2001:660:4406:588:9:2::18",
+      "kavlan-9": "2001:660:4406:589:9:2::18"
+    },
+    "eth3": {
+      "kavlan-1": "2001:660:4406:581:9:3::18",
+      "kavlan-11": "2001:660:4406:58b:9:3::18",
+      "kavlan-12": "2001:660:4406:58c:9:3::18",
+      "kavlan-13": "2001:660:4406:58d:9:3::18",
+      "kavlan-14": "2001:660:4406:58e:9:3::18",
+      "kavlan-16": "2001:660:4406:590:9:3::18",
+      "kavlan-18": "2001:660:4406:592:9:3::18",
+      "kavlan-2": "2001:660:4406:582:9:3::18",
+      "kavlan-20": "2001:660:4406:594:9:3::18",
+      "kavlan-21": "2001:660:4406:595:9:3::18",
+      "kavlan-3": "2001:660:4406:583:9:3::18",
+      "kavlan-4": "2001:660:4406:584:9:3::18",
+      "kavlan-5": "2001:660:4406:585:9:3::18",
+      "kavlan-6": "2001:660:4406:586:9:3::18",
+      "kavlan-7": "2001:660:4406:587:9:3::18",
+      "kavlan-8": "2001:660:4406:588:9:3::18",
+      "kavlan-9": "2001:660:4406:589:9:3::18"
+    },
+    "eth4": {
+      "kavlan-1": "2001:660:4406:581:9:4::18",
+      "kavlan-11": "2001:660:4406:58b:9:4::18",
+      "kavlan-12": "2001:660:4406:58c:9:4::18",
+      "kavlan-13": "2001:660:4406:58d:9:4::18",
+      "kavlan-14": "2001:660:4406:58e:9:4::18",
+      "kavlan-16": "2001:660:4406:590:9:4::18",
+      "kavlan-18": "2001:660:4406:592:9:4::18",
+      "kavlan-2": "2001:660:4406:582:9:4::18",
+      "kavlan-20": "2001:660:4406:594:9:4::18",
+      "kavlan-21": "2001:660:4406:595:9:4::18",
+      "kavlan-3": "2001:660:4406:583:9:4::18",
+      "kavlan-4": "2001:660:4406:584:9:4::18",
+      "kavlan-5": "2001:660:4406:585:9:4::18",
+      "kavlan-6": "2001:660:4406:586:9:4::18",
+      "kavlan-7": "2001:660:4406:587:9:4::18",
+      "kavlan-8": "2001:660:4406:588:9:4::18",
+      "kavlan-9": "2001:660:4406:589:9:4::18"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -150,6 +247,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:1::18",
       "kavlan": true,
       "mac": "24:6e:96:02:a9:82",
       "management": false,
@@ -170,6 +268,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:2::18",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4b:38",
       "management": false,
@@ -190,6 +289,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:3::18",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4b:3a",
       "management": false,
@@ -210,6 +310,7 @@
       "enabled": true,
       "firmware_version": "1.67, 0x80000fab, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:4::18",
       "kavlan": true,
       "mac": "24:6e:96:02:a9:84",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-25.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-25.json
index 7fe482f5a14e601ab383176430f38cabbe9700d3..cbab406aace4e01ef22a3e91cbe4317a35e7d627 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-25.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-25.json
@@ -114,6 +114,103 @@
       "kavlan-9": "10.17.73.125"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:9::19",
+      "kavlan-11": "2001:660:4406:58b:9::19",
+      "kavlan-12": "2001:660:4406:58c:9::19",
+      "kavlan-13": "2001:660:4406:58d:9::19",
+      "kavlan-14": "2001:660:4406:58e:9::19",
+      "kavlan-16": "2001:660:4406:590:9::19",
+      "kavlan-18": "2001:660:4406:592:9::19",
+      "kavlan-2": "2001:660:4406:582:9::19",
+      "kavlan-20": "2001:660:4406:594:9::19",
+      "kavlan-21": "2001:660:4406:595:9::19",
+      "kavlan-3": "2001:660:4406:583:9::19",
+      "kavlan-4": "2001:660:4406:584:9::19",
+      "kavlan-5": "2001:660:4406:585:9::19",
+      "kavlan-6": "2001:660:4406:586:9::19",
+      "kavlan-7": "2001:660:4406:587:9::19",
+      "kavlan-8": "2001:660:4406:588:9::19",
+      "kavlan-9": "2001:660:4406:589:9::19"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:9:1::19",
+      "kavlan-11": "2001:660:4406:58b:9:1::19",
+      "kavlan-12": "2001:660:4406:58c:9:1::19",
+      "kavlan-13": "2001:660:4406:58d:9:1::19",
+      "kavlan-14": "2001:660:4406:58e:9:1::19",
+      "kavlan-16": "2001:660:4406:590:9:1::19",
+      "kavlan-18": "2001:660:4406:592:9:1::19",
+      "kavlan-2": "2001:660:4406:582:9:1::19",
+      "kavlan-20": "2001:660:4406:594:9:1::19",
+      "kavlan-21": "2001:660:4406:595:9:1::19",
+      "kavlan-3": "2001:660:4406:583:9:1::19",
+      "kavlan-4": "2001:660:4406:584:9:1::19",
+      "kavlan-5": "2001:660:4406:585:9:1::19",
+      "kavlan-6": "2001:660:4406:586:9:1::19",
+      "kavlan-7": "2001:660:4406:587:9:1::19",
+      "kavlan-8": "2001:660:4406:588:9:1::19",
+      "kavlan-9": "2001:660:4406:589:9:1::19"
+    },
+    "eth2": {
+      "kavlan-1": "2001:660:4406:581:9:2::19",
+      "kavlan-11": "2001:660:4406:58b:9:2::19",
+      "kavlan-12": "2001:660:4406:58c:9:2::19",
+      "kavlan-13": "2001:660:4406:58d:9:2::19",
+      "kavlan-14": "2001:660:4406:58e:9:2::19",
+      "kavlan-16": "2001:660:4406:590:9:2::19",
+      "kavlan-18": "2001:660:4406:592:9:2::19",
+      "kavlan-2": "2001:660:4406:582:9:2::19",
+      "kavlan-20": "2001:660:4406:594:9:2::19",
+      "kavlan-21": "2001:660:4406:595:9:2::19",
+      "kavlan-3": "2001:660:4406:583:9:2::19",
+      "kavlan-4": "2001:660:4406:584:9:2::19",
+      "kavlan-5": "2001:660:4406:585:9:2::19",
+      "kavlan-6": "2001:660:4406:586:9:2::19",
+      "kavlan-7": "2001:660:4406:587:9:2::19",
+      "kavlan-8": "2001:660:4406:588:9:2::19",
+      "kavlan-9": "2001:660:4406:589:9:2::19"
+    },
+    "eth3": {
+      "kavlan-1": "2001:660:4406:581:9:3::19",
+      "kavlan-11": "2001:660:4406:58b:9:3::19",
+      "kavlan-12": "2001:660:4406:58c:9:3::19",
+      "kavlan-13": "2001:660:4406:58d:9:3::19",
+      "kavlan-14": "2001:660:4406:58e:9:3::19",
+      "kavlan-16": "2001:660:4406:590:9:3::19",
+      "kavlan-18": "2001:660:4406:592:9:3::19",
+      "kavlan-2": "2001:660:4406:582:9:3::19",
+      "kavlan-20": "2001:660:4406:594:9:3::19",
+      "kavlan-21": "2001:660:4406:595:9:3::19",
+      "kavlan-3": "2001:660:4406:583:9:3::19",
+      "kavlan-4": "2001:660:4406:584:9:3::19",
+      "kavlan-5": "2001:660:4406:585:9:3::19",
+      "kavlan-6": "2001:660:4406:586:9:3::19",
+      "kavlan-7": "2001:660:4406:587:9:3::19",
+      "kavlan-8": "2001:660:4406:588:9:3::19",
+      "kavlan-9": "2001:660:4406:589:9:3::19"
+    },
+    "eth4": {
+      "kavlan-1": "2001:660:4406:581:9:4::19",
+      "kavlan-11": "2001:660:4406:58b:9:4::19",
+      "kavlan-12": "2001:660:4406:58c:9:4::19",
+      "kavlan-13": "2001:660:4406:58d:9:4::19",
+      "kavlan-14": "2001:660:4406:58e:9:4::19",
+      "kavlan-16": "2001:660:4406:590:9:4::19",
+      "kavlan-18": "2001:660:4406:592:9:4::19",
+      "kavlan-2": "2001:660:4406:582:9:4::19",
+      "kavlan-20": "2001:660:4406:594:9:4::19",
+      "kavlan-21": "2001:660:4406:595:9:4::19",
+      "kavlan-3": "2001:660:4406:583:9:4::19",
+      "kavlan-4": "2001:660:4406:584:9:4::19",
+      "kavlan-5": "2001:660:4406:585:9:4::19",
+      "kavlan-6": "2001:660:4406:586:9:4::19",
+      "kavlan-7": "2001:660:4406:587:9:4::19",
+      "kavlan-8": "2001:660:4406:588:9:4::19",
+      "kavlan-9": "2001:660:4406:589:9:4::19"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -150,6 +247,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:1::19",
       "kavlan": true,
       "mac": "24:6e:96:02:a7:d2",
       "management": false,
@@ -170,6 +268,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:2::19",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4d:f4",
       "management": false,
@@ -190,6 +289,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:3::19",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4d:f6",
       "management": false,
@@ -210,6 +310,7 @@
       "enabled": true,
       "firmware_version": "1.67, 0x80000fab, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:4::19",
       "kavlan": true,
       "mac": "24:6e:96:02:a7:d4",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-26.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-26.json
index 487029f405cc4658f644ff6778c4dd4bac6caa38..de51b7422631e4f8c955b058c61c72e26edc0886 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-26.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-26.json
@@ -114,6 +114,103 @@
       "kavlan-9": "10.17.73.126"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:9::1a",
+      "kavlan-11": "2001:660:4406:58b:9::1a",
+      "kavlan-12": "2001:660:4406:58c:9::1a",
+      "kavlan-13": "2001:660:4406:58d:9::1a",
+      "kavlan-14": "2001:660:4406:58e:9::1a",
+      "kavlan-16": "2001:660:4406:590:9::1a",
+      "kavlan-18": "2001:660:4406:592:9::1a",
+      "kavlan-2": "2001:660:4406:582:9::1a",
+      "kavlan-20": "2001:660:4406:594:9::1a",
+      "kavlan-21": "2001:660:4406:595:9::1a",
+      "kavlan-3": "2001:660:4406:583:9::1a",
+      "kavlan-4": "2001:660:4406:584:9::1a",
+      "kavlan-5": "2001:660:4406:585:9::1a",
+      "kavlan-6": "2001:660:4406:586:9::1a",
+      "kavlan-7": "2001:660:4406:587:9::1a",
+      "kavlan-8": "2001:660:4406:588:9::1a",
+      "kavlan-9": "2001:660:4406:589:9::1a"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:9:1::1a",
+      "kavlan-11": "2001:660:4406:58b:9:1::1a",
+      "kavlan-12": "2001:660:4406:58c:9:1::1a",
+      "kavlan-13": "2001:660:4406:58d:9:1::1a",
+      "kavlan-14": "2001:660:4406:58e:9:1::1a",
+      "kavlan-16": "2001:660:4406:590:9:1::1a",
+      "kavlan-18": "2001:660:4406:592:9:1::1a",
+      "kavlan-2": "2001:660:4406:582:9:1::1a",
+      "kavlan-20": "2001:660:4406:594:9:1::1a",
+      "kavlan-21": "2001:660:4406:595:9:1::1a",
+      "kavlan-3": "2001:660:4406:583:9:1::1a",
+      "kavlan-4": "2001:660:4406:584:9:1::1a",
+      "kavlan-5": "2001:660:4406:585:9:1::1a",
+      "kavlan-6": "2001:660:4406:586:9:1::1a",
+      "kavlan-7": "2001:660:4406:587:9:1::1a",
+      "kavlan-8": "2001:660:4406:588:9:1::1a",
+      "kavlan-9": "2001:660:4406:589:9:1::1a"
+    },
+    "eth2": {
+      "kavlan-1": "2001:660:4406:581:9:2::1a",
+      "kavlan-11": "2001:660:4406:58b:9:2::1a",
+      "kavlan-12": "2001:660:4406:58c:9:2::1a",
+      "kavlan-13": "2001:660:4406:58d:9:2::1a",
+      "kavlan-14": "2001:660:4406:58e:9:2::1a",
+      "kavlan-16": "2001:660:4406:590:9:2::1a",
+      "kavlan-18": "2001:660:4406:592:9:2::1a",
+      "kavlan-2": "2001:660:4406:582:9:2::1a",
+      "kavlan-20": "2001:660:4406:594:9:2::1a",
+      "kavlan-21": "2001:660:4406:595:9:2::1a",
+      "kavlan-3": "2001:660:4406:583:9:2::1a",
+      "kavlan-4": "2001:660:4406:584:9:2::1a",
+      "kavlan-5": "2001:660:4406:585:9:2::1a",
+      "kavlan-6": "2001:660:4406:586:9:2::1a",
+      "kavlan-7": "2001:660:4406:587:9:2::1a",
+      "kavlan-8": "2001:660:4406:588:9:2::1a",
+      "kavlan-9": "2001:660:4406:589:9:2::1a"
+    },
+    "eth3": {
+      "kavlan-1": "2001:660:4406:581:9:3::1a",
+      "kavlan-11": "2001:660:4406:58b:9:3::1a",
+      "kavlan-12": "2001:660:4406:58c:9:3::1a",
+      "kavlan-13": "2001:660:4406:58d:9:3::1a",
+      "kavlan-14": "2001:660:4406:58e:9:3::1a",
+      "kavlan-16": "2001:660:4406:590:9:3::1a",
+      "kavlan-18": "2001:660:4406:592:9:3::1a",
+      "kavlan-2": "2001:660:4406:582:9:3::1a",
+      "kavlan-20": "2001:660:4406:594:9:3::1a",
+      "kavlan-21": "2001:660:4406:595:9:3::1a",
+      "kavlan-3": "2001:660:4406:583:9:3::1a",
+      "kavlan-4": "2001:660:4406:584:9:3::1a",
+      "kavlan-5": "2001:660:4406:585:9:3::1a",
+      "kavlan-6": "2001:660:4406:586:9:3::1a",
+      "kavlan-7": "2001:660:4406:587:9:3::1a",
+      "kavlan-8": "2001:660:4406:588:9:3::1a",
+      "kavlan-9": "2001:660:4406:589:9:3::1a"
+    },
+    "eth4": {
+      "kavlan-1": "2001:660:4406:581:9:4::1a",
+      "kavlan-11": "2001:660:4406:58b:9:4::1a",
+      "kavlan-12": "2001:660:4406:58c:9:4::1a",
+      "kavlan-13": "2001:660:4406:58d:9:4::1a",
+      "kavlan-14": "2001:660:4406:58e:9:4::1a",
+      "kavlan-16": "2001:660:4406:590:9:4::1a",
+      "kavlan-18": "2001:660:4406:592:9:4::1a",
+      "kavlan-2": "2001:660:4406:582:9:4::1a",
+      "kavlan-20": "2001:660:4406:594:9:4::1a",
+      "kavlan-21": "2001:660:4406:595:9:4::1a",
+      "kavlan-3": "2001:660:4406:583:9:4::1a",
+      "kavlan-4": "2001:660:4406:584:9:4::1a",
+      "kavlan-5": "2001:660:4406:585:9:4::1a",
+      "kavlan-6": "2001:660:4406:586:9:4::1a",
+      "kavlan-7": "2001:660:4406:587:9:4::1a",
+      "kavlan-8": "2001:660:4406:588:9:4::1a",
+      "kavlan-9": "2001:660:4406:589:9:4::1a"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -150,6 +247,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:1::1a",
       "kavlan": true,
       "mac": "24:6e:96:02:a1:9a",
       "management": false,
@@ -170,6 +268,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:2::1a",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4b:34",
       "management": false,
@@ -190,6 +289,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:3::1a",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4b:36",
       "management": false,
@@ -210,6 +310,7 @@
       "enabled": true,
       "firmware_version": "1.67, 0x80000fab, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:4::1a",
       "kavlan": true,
       "mac": "24:6e:96:02:a1:9c",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-27.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-27.json
index ee54bcb6419412bf79b7dee0914bdbd97e586859..238ae683e74308753d702f544676fef9897da594 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-27.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-27.json
@@ -114,6 +114,103 @@
       "kavlan-9": "10.17.73.127"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:9::1b",
+      "kavlan-11": "2001:660:4406:58b:9::1b",
+      "kavlan-12": "2001:660:4406:58c:9::1b",
+      "kavlan-13": "2001:660:4406:58d:9::1b",
+      "kavlan-14": "2001:660:4406:58e:9::1b",
+      "kavlan-16": "2001:660:4406:590:9::1b",
+      "kavlan-18": "2001:660:4406:592:9::1b",
+      "kavlan-2": "2001:660:4406:582:9::1b",
+      "kavlan-20": "2001:660:4406:594:9::1b",
+      "kavlan-21": "2001:660:4406:595:9::1b",
+      "kavlan-3": "2001:660:4406:583:9::1b",
+      "kavlan-4": "2001:660:4406:584:9::1b",
+      "kavlan-5": "2001:660:4406:585:9::1b",
+      "kavlan-6": "2001:660:4406:586:9::1b",
+      "kavlan-7": "2001:660:4406:587:9::1b",
+      "kavlan-8": "2001:660:4406:588:9::1b",
+      "kavlan-9": "2001:660:4406:589:9::1b"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:9:1::1b",
+      "kavlan-11": "2001:660:4406:58b:9:1::1b",
+      "kavlan-12": "2001:660:4406:58c:9:1::1b",
+      "kavlan-13": "2001:660:4406:58d:9:1::1b",
+      "kavlan-14": "2001:660:4406:58e:9:1::1b",
+      "kavlan-16": "2001:660:4406:590:9:1::1b",
+      "kavlan-18": "2001:660:4406:592:9:1::1b",
+      "kavlan-2": "2001:660:4406:582:9:1::1b",
+      "kavlan-20": "2001:660:4406:594:9:1::1b",
+      "kavlan-21": "2001:660:4406:595:9:1::1b",
+      "kavlan-3": "2001:660:4406:583:9:1::1b",
+      "kavlan-4": "2001:660:4406:584:9:1::1b",
+      "kavlan-5": "2001:660:4406:585:9:1::1b",
+      "kavlan-6": "2001:660:4406:586:9:1::1b",
+      "kavlan-7": "2001:660:4406:587:9:1::1b",
+      "kavlan-8": "2001:660:4406:588:9:1::1b",
+      "kavlan-9": "2001:660:4406:589:9:1::1b"
+    },
+    "eth2": {
+      "kavlan-1": "2001:660:4406:581:9:2::1b",
+      "kavlan-11": "2001:660:4406:58b:9:2::1b",
+      "kavlan-12": "2001:660:4406:58c:9:2::1b",
+      "kavlan-13": "2001:660:4406:58d:9:2::1b",
+      "kavlan-14": "2001:660:4406:58e:9:2::1b",
+      "kavlan-16": "2001:660:4406:590:9:2::1b",
+      "kavlan-18": "2001:660:4406:592:9:2::1b",
+      "kavlan-2": "2001:660:4406:582:9:2::1b",
+      "kavlan-20": "2001:660:4406:594:9:2::1b",
+      "kavlan-21": "2001:660:4406:595:9:2::1b",
+      "kavlan-3": "2001:660:4406:583:9:2::1b",
+      "kavlan-4": "2001:660:4406:584:9:2::1b",
+      "kavlan-5": "2001:660:4406:585:9:2::1b",
+      "kavlan-6": "2001:660:4406:586:9:2::1b",
+      "kavlan-7": "2001:660:4406:587:9:2::1b",
+      "kavlan-8": "2001:660:4406:588:9:2::1b",
+      "kavlan-9": "2001:660:4406:589:9:2::1b"
+    },
+    "eth3": {
+      "kavlan-1": "2001:660:4406:581:9:3::1b",
+      "kavlan-11": "2001:660:4406:58b:9:3::1b",
+      "kavlan-12": "2001:660:4406:58c:9:3::1b",
+      "kavlan-13": "2001:660:4406:58d:9:3::1b",
+      "kavlan-14": "2001:660:4406:58e:9:3::1b",
+      "kavlan-16": "2001:660:4406:590:9:3::1b",
+      "kavlan-18": "2001:660:4406:592:9:3::1b",
+      "kavlan-2": "2001:660:4406:582:9:3::1b",
+      "kavlan-20": "2001:660:4406:594:9:3::1b",
+      "kavlan-21": "2001:660:4406:595:9:3::1b",
+      "kavlan-3": "2001:660:4406:583:9:3::1b",
+      "kavlan-4": "2001:660:4406:584:9:3::1b",
+      "kavlan-5": "2001:660:4406:585:9:3::1b",
+      "kavlan-6": "2001:660:4406:586:9:3::1b",
+      "kavlan-7": "2001:660:4406:587:9:3::1b",
+      "kavlan-8": "2001:660:4406:588:9:3::1b",
+      "kavlan-9": "2001:660:4406:589:9:3::1b"
+    },
+    "eth4": {
+      "kavlan-1": "2001:660:4406:581:9:4::1b",
+      "kavlan-11": "2001:660:4406:58b:9:4::1b",
+      "kavlan-12": "2001:660:4406:58c:9:4::1b",
+      "kavlan-13": "2001:660:4406:58d:9:4::1b",
+      "kavlan-14": "2001:660:4406:58e:9:4::1b",
+      "kavlan-16": "2001:660:4406:590:9:4::1b",
+      "kavlan-18": "2001:660:4406:592:9:4::1b",
+      "kavlan-2": "2001:660:4406:582:9:4::1b",
+      "kavlan-20": "2001:660:4406:594:9:4::1b",
+      "kavlan-21": "2001:660:4406:595:9:4::1b",
+      "kavlan-3": "2001:660:4406:583:9:4::1b",
+      "kavlan-4": "2001:660:4406:584:9:4::1b",
+      "kavlan-5": "2001:660:4406:585:9:4::1b",
+      "kavlan-6": "2001:660:4406:586:9:4::1b",
+      "kavlan-7": "2001:660:4406:587:9:4::1b",
+      "kavlan-8": "2001:660:4406:588:9:4::1b",
+      "kavlan-9": "2001:660:4406:589:9:4::1b"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -150,6 +247,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:1::1b",
       "kavlan": true,
       "mac": "24:6e:96:02:a4:72",
       "management": false,
@@ -170,6 +268,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:2::1b",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4a:c8",
       "management": false,
@@ -190,6 +289,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:3::1b",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4a:ca",
       "management": false,
@@ -210,6 +310,7 @@
       "enabled": true,
       "firmware_version": "1.67, 0x80000fab, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:4::1b",
       "kavlan": true,
       "mac": "24:6e:96:02:a4:74",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-28.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-28.json
index f44d862b7995086287c9963fbaf39f3e38ee806b..0c686c6628d82306cb5fcf5cecbf9b923f9d37b8 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-28.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-28.json
@@ -114,6 +114,103 @@
       "kavlan-9": "10.17.73.128"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:9::1c",
+      "kavlan-11": "2001:660:4406:58b:9::1c",
+      "kavlan-12": "2001:660:4406:58c:9::1c",
+      "kavlan-13": "2001:660:4406:58d:9::1c",
+      "kavlan-14": "2001:660:4406:58e:9::1c",
+      "kavlan-16": "2001:660:4406:590:9::1c",
+      "kavlan-18": "2001:660:4406:592:9::1c",
+      "kavlan-2": "2001:660:4406:582:9::1c",
+      "kavlan-20": "2001:660:4406:594:9::1c",
+      "kavlan-21": "2001:660:4406:595:9::1c",
+      "kavlan-3": "2001:660:4406:583:9::1c",
+      "kavlan-4": "2001:660:4406:584:9::1c",
+      "kavlan-5": "2001:660:4406:585:9::1c",
+      "kavlan-6": "2001:660:4406:586:9::1c",
+      "kavlan-7": "2001:660:4406:587:9::1c",
+      "kavlan-8": "2001:660:4406:588:9::1c",
+      "kavlan-9": "2001:660:4406:589:9::1c"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:9:1::1c",
+      "kavlan-11": "2001:660:4406:58b:9:1::1c",
+      "kavlan-12": "2001:660:4406:58c:9:1::1c",
+      "kavlan-13": "2001:660:4406:58d:9:1::1c",
+      "kavlan-14": "2001:660:4406:58e:9:1::1c",
+      "kavlan-16": "2001:660:4406:590:9:1::1c",
+      "kavlan-18": "2001:660:4406:592:9:1::1c",
+      "kavlan-2": "2001:660:4406:582:9:1::1c",
+      "kavlan-20": "2001:660:4406:594:9:1::1c",
+      "kavlan-21": "2001:660:4406:595:9:1::1c",
+      "kavlan-3": "2001:660:4406:583:9:1::1c",
+      "kavlan-4": "2001:660:4406:584:9:1::1c",
+      "kavlan-5": "2001:660:4406:585:9:1::1c",
+      "kavlan-6": "2001:660:4406:586:9:1::1c",
+      "kavlan-7": "2001:660:4406:587:9:1::1c",
+      "kavlan-8": "2001:660:4406:588:9:1::1c",
+      "kavlan-9": "2001:660:4406:589:9:1::1c"
+    },
+    "eth2": {
+      "kavlan-1": "2001:660:4406:581:9:2::1c",
+      "kavlan-11": "2001:660:4406:58b:9:2::1c",
+      "kavlan-12": "2001:660:4406:58c:9:2::1c",
+      "kavlan-13": "2001:660:4406:58d:9:2::1c",
+      "kavlan-14": "2001:660:4406:58e:9:2::1c",
+      "kavlan-16": "2001:660:4406:590:9:2::1c",
+      "kavlan-18": "2001:660:4406:592:9:2::1c",
+      "kavlan-2": "2001:660:4406:582:9:2::1c",
+      "kavlan-20": "2001:660:4406:594:9:2::1c",
+      "kavlan-21": "2001:660:4406:595:9:2::1c",
+      "kavlan-3": "2001:660:4406:583:9:2::1c",
+      "kavlan-4": "2001:660:4406:584:9:2::1c",
+      "kavlan-5": "2001:660:4406:585:9:2::1c",
+      "kavlan-6": "2001:660:4406:586:9:2::1c",
+      "kavlan-7": "2001:660:4406:587:9:2::1c",
+      "kavlan-8": "2001:660:4406:588:9:2::1c",
+      "kavlan-9": "2001:660:4406:589:9:2::1c"
+    },
+    "eth3": {
+      "kavlan-1": "2001:660:4406:581:9:3::1c",
+      "kavlan-11": "2001:660:4406:58b:9:3::1c",
+      "kavlan-12": "2001:660:4406:58c:9:3::1c",
+      "kavlan-13": "2001:660:4406:58d:9:3::1c",
+      "kavlan-14": "2001:660:4406:58e:9:3::1c",
+      "kavlan-16": "2001:660:4406:590:9:3::1c",
+      "kavlan-18": "2001:660:4406:592:9:3::1c",
+      "kavlan-2": "2001:660:4406:582:9:3::1c",
+      "kavlan-20": "2001:660:4406:594:9:3::1c",
+      "kavlan-21": "2001:660:4406:595:9:3::1c",
+      "kavlan-3": "2001:660:4406:583:9:3::1c",
+      "kavlan-4": "2001:660:4406:584:9:3::1c",
+      "kavlan-5": "2001:660:4406:585:9:3::1c",
+      "kavlan-6": "2001:660:4406:586:9:3::1c",
+      "kavlan-7": "2001:660:4406:587:9:3::1c",
+      "kavlan-8": "2001:660:4406:588:9:3::1c",
+      "kavlan-9": "2001:660:4406:589:9:3::1c"
+    },
+    "eth4": {
+      "kavlan-1": "2001:660:4406:581:9:4::1c",
+      "kavlan-11": "2001:660:4406:58b:9:4::1c",
+      "kavlan-12": "2001:660:4406:58c:9:4::1c",
+      "kavlan-13": "2001:660:4406:58d:9:4::1c",
+      "kavlan-14": "2001:660:4406:58e:9:4::1c",
+      "kavlan-16": "2001:660:4406:590:9:4::1c",
+      "kavlan-18": "2001:660:4406:592:9:4::1c",
+      "kavlan-2": "2001:660:4406:582:9:4::1c",
+      "kavlan-20": "2001:660:4406:594:9:4::1c",
+      "kavlan-21": "2001:660:4406:595:9:4::1c",
+      "kavlan-3": "2001:660:4406:583:9:4::1c",
+      "kavlan-4": "2001:660:4406:584:9:4::1c",
+      "kavlan-5": "2001:660:4406:585:9:4::1c",
+      "kavlan-6": "2001:660:4406:586:9:4::1c",
+      "kavlan-7": "2001:660:4406:587:9:4::1c",
+      "kavlan-8": "2001:660:4406:588:9:4::1c",
+      "kavlan-9": "2001:660:4406:589:9:4::1c"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -150,6 +247,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:1::1c",
       "kavlan": true,
       "mac": "e4:43:4b:21:59:4a",
       "management": false,
@@ -170,6 +268,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:2::1c",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4b:c0",
       "management": false,
@@ -190,6 +289,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:3::1c",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4b:c2",
       "management": false,
@@ -210,6 +310,7 @@
       "enabled": true,
       "firmware_version": "1.67, 0x80000fab, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:4::1c",
       "kavlan": true,
       "mac": "e4:43:4b:21:59:4c",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-29.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-29.json
index 814f33d70fc6b1cf3c0836034aba59a6bc5a34c3..4effa82d3b3750e12c905a7e96bbfafdbf611389 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-29.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-29.json
@@ -114,6 +114,103 @@
       "kavlan-9": "10.17.73.129"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:9::1d",
+      "kavlan-11": "2001:660:4406:58b:9::1d",
+      "kavlan-12": "2001:660:4406:58c:9::1d",
+      "kavlan-13": "2001:660:4406:58d:9::1d",
+      "kavlan-14": "2001:660:4406:58e:9::1d",
+      "kavlan-16": "2001:660:4406:590:9::1d",
+      "kavlan-18": "2001:660:4406:592:9::1d",
+      "kavlan-2": "2001:660:4406:582:9::1d",
+      "kavlan-20": "2001:660:4406:594:9::1d",
+      "kavlan-21": "2001:660:4406:595:9::1d",
+      "kavlan-3": "2001:660:4406:583:9::1d",
+      "kavlan-4": "2001:660:4406:584:9::1d",
+      "kavlan-5": "2001:660:4406:585:9::1d",
+      "kavlan-6": "2001:660:4406:586:9::1d",
+      "kavlan-7": "2001:660:4406:587:9::1d",
+      "kavlan-8": "2001:660:4406:588:9::1d",
+      "kavlan-9": "2001:660:4406:589:9::1d"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:9:1::1d",
+      "kavlan-11": "2001:660:4406:58b:9:1::1d",
+      "kavlan-12": "2001:660:4406:58c:9:1::1d",
+      "kavlan-13": "2001:660:4406:58d:9:1::1d",
+      "kavlan-14": "2001:660:4406:58e:9:1::1d",
+      "kavlan-16": "2001:660:4406:590:9:1::1d",
+      "kavlan-18": "2001:660:4406:592:9:1::1d",
+      "kavlan-2": "2001:660:4406:582:9:1::1d",
+      "kavlan-20": "2001:660:4406:594:9:1::1d",
+      "kavlan-21": "2001:660:4406:595:9:1::1d",
+      "kavlan-3": "2001:660:4406:583:9:1::1d",
+      "kavlan-4": "2001:660:4406:584:9:1::1d",
+      "kavlan-5": "2001:660:4406:585:9:1::1d",
+      "kavlan-6": "2001:660:4406:586:9:1::1d",
+      "kavlan-7": "2001:660:4406:587:9:1::1d",
+      "kavlan-8": "2001:660:4406:588:9:1::1d",
+      "kavlan-9": "2001:660:4406:589:9:1::1d"
+    },
+    "eth2": {
+      "kavlan-1": "2001:660:4406:581:9:2::1d",
+      "kavlan-11": "2001:660:4406:58b:9:2::1d",
+      "kavlan-12": "2001:660:4406:58c:9:2::1d",
+      "kavlan-13": "2001:660:4406:58d:9:2::1d",
+      "kavlan-14": "2001:660:4406:58e:9:2::1d",
+      "kavlan-16": "2001:660:4406:590:9:2::1d",
+      "kavlan-18": "2001:660:4406:592:9:2::1d",
+      "kavlan-2": "2001:660:4406:582:9:2::1d",
+      "kavlan-20": "2001:660:4406:594:9:2::1d",
+      "kavlan-21": "2001:660:4406:595:9:2::1d",
+      "kavlan-3": "2001:660:4406:583:9:2::1d",
+      "kavlan-4": "2001:660:4406:584:9:2::1d",
+      "kavlan-5": "2001:660:4406:585:9:2::1d",
+      "kavlan-6": "2001:660:4406:586:9:2::1d",
+      "kavlan-7": "2001:660:4406:587:9:2::1d",
+      "kavlan-8": "2001:660:4406:588:9:2::1d",
+      "kavlan-9": "2001:660:4406:589:9:2::1d"
+    },
+    "eth3": {
+      "kavlan-1": "2001:660:4406:581:9:3::1d",
+      "kavlan-11": "2001:660:4406:58b:9:3::1d",
+      "kavlan-12": "2001:660:4406:58c:9:3::1d",
+      "kavlan-13": "2001:660:4406:58d:9:3::1d",
+      "kavlan-14": "2001:660:4406:58e:9:3::1d",
+      "kavlan-16": "2001:660:4406:590:9:3::1d",
+      "kavlan-18": "2001:660:4406:592:9:3::1d",
+      "kavlan-2": "2001:660:4406:582:9:3::1d",
+      "kavlan-20": "2001:660:4406:594:9:3::1d",
+      "kavlan-21": "2001:660:4406:595:9:3::1d",
+      "kavlan-3": "2001:660:4406:583:9:3::1d",
+      "kavlan-4": "2001:660:4406:584:9:3::1d",
+      "kavlan-5": "2001:660:4406:585:9:3::1d",
+      "kavlan-6": "2001:660:4406:586:9:3::1d",
+      "kavlan-7": "2001:660:4406:587:9:3::1d",
+      "kavlan-8": "2001:660:4406:588:9:3::1d",
+      "kavlan-9": "2001:660:4406:589:9:3::1d"
+    },
+    "eth4": {
+      "kavlan-1": "2001:660:4406:581:9:4::1d",
+      "kavlan-11": "2001:660:4406:58b:9:4::1d",
+      "kavlan-12": "2001:660:4406:58c:9:4::1d",
+      "kavlan-13": "2001:660:4406:58d:9:4::1d",
+      "kavlan-14": "2001:660:4406:58e:9:4::1d",
+      "kavlan-16": "2001:660:4406:590:9:4::1d",
+      "kavlan-18": "2001:660:4406:592:9:4::1d",
+      "kavlan-2": "2001:660:4406:582:9:4::1d",
+      "kavlan-20": "2001:660:4406:594:9:4::1d",
+      "kavlan-21": "2001:660:4406:595:9:4::1d",
+      "kavlan-3": "2001:660:4406:583:9:4::1d",
+      "kavlan-4": "2001:660:4406:584:9:4::1d",
+      "kavlan-5": "2001:660:4406:585:9:4::1d",
+      "kavlan-6": "2001:660:4406:586:9:4::1d",
+      "kavlan-7": "2001:660:4406:587:9:4::1d",
+      "kavlan-8": "2001:660:4406:588:9:4::1d",
+      "kavlan-9": "2001:660:4406:589:9:4::1d"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -150,6 +247,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:1::1d",
       "kavlan": true,
       "mac": "24:6e:96:02:a9:8a",
       "management": false,
@@ -170,6 +268,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:2::1d",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4b:90",
       "management": false,
@@ -190,6 +289,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:3::1d",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4b:92",
       "management": false,
@@ -210,6 +310,7 @@
       "enabled": true,
       "firmware_version": "1.67, 0x80000fab, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:4::1d",
       "kavlan": true,
       "mac": "24:6e:96:02:a9:8c",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-3.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-3.json
index 2aab47260de9d93276fc4fc0a22977ca35a38612..300c26276db3d34bb45d4a42a5e4bf3828fb1518 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-3.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-3.json
@@ -114,6 +114,103 @@
       "kavlan-9": "10.17.73.103"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:9::3",
+      "kavlan-11": "2001:660:4406:58b:9::3",
+      "kavlan-12": "2001:660:4406:58c:9::3",
+      "kavlan-13": "2001:660:4406:58d:9::3",
+      "kavlan-14": "2001:660:4406:58e:9::3",
+      "kavlan-16": "2001:660:4406:590:9::3",
+      "kavlan-18": "2001:660:4406:592:9::3",
+      "kavlan-2": "2001:660:4406:582:9::3",
+      "kavlan-20": "2001:660:4406:594:9::3",
+      "kavlan-21": "2001:660:4406:595:9::3",
+      "kavlan-3": "2001:660:4406:583:9::3",
+      "kavlan-4": "2001:660:4406:584:9::3",
+      "kavlan-5": "2001:660:4406:585:9::3",
+      "kavlan-6": "2001:660:4406:586:9::3",
+      "kavlan-7": "2001:660:4406:587:9::3",
+      "kavlan-8": "2001:660:4406:588:9::3",
+      "kavlan-9": "2001:660:4406:589:9::3"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:9:1::3",
+      "kavlan-11": "2001:660:4406:58b:9:1::3",
+      "kavlan-12": "2001:660:4406:58c:9:1::3",
+      "kavlan-13": "2001:660:4406:58d:9:1::3",
+      "kavlan-14": "2001:660:4406:58e:9:1::3",
+      "kavlan-16": "2001:660:4406:590:9:1::3",
+      "kavlan-18": "2001:660:4406:592:9:1::3",
+      "kavlan-2": "2001:660:4406:582:9:1::3",
+      "kavlan-20": "2001:660:4406:594:9:1::3",
+      "kavlan-21": "2001:660:4406:595:9:1::3",
+      "kavlan-3": "2001:660:4406:583:9:1::3",
+      "kavlan-4": "2001:660:4406:584:9:1::3",
+      "kavlan-5": "2001:660:4406:585:9:1::3",
+      "kavlan-6": "2001:660:4406:586:9:1::3",
+      "kavlan-7": "2001:660:4406:587:9:1::3",
+      "kavlan-8": "2001:660:4406:588:9:1::3",
+      "kavlan-9": "2001:660:4406:589:9:1::3"
+    },
+    "eth2": {
+      "kavlan-1": "2001:660:4406:581:9:2::3",
+      "kavlan-11": "2001:660:4406:58b:9:2::3",
+      "kavlan-12": "2001:660:4406:58c:9:2::3",
+      "kavlan-13": "2001:660:4406:58d:9:2::3",
+      "kavlan-14": "2001:660:4406:58e:9:2::3",
+      "kavlan-16": "2001:660:4406:590:9:2::3",
+      "kavlan-18": "2001:660:4406:592:9:2::3",
+      "kavlan-2": "2001:660:4406:582:9:2::3",
+      "kavlan-20": "2001:660:4406:594:9:2::3",
+      "kavlan-21": "2001:660:4406:595:9:2::3",
+      "kavlan-3": "2001:660:4406:583:9:2::3",
+      "kavlan-4": "2001:660:4406:584:9:2::3",
+      "kavlan-5": "2001:660:4406:585:9:2::3",
+      "kavlan-6": "2001:660:4406:586:9:2::3",
+      "kavlan-7": "2001:660:4406:587:9:2::3",
+      "kavlan-8": "2001:660:4406:588:9:2::3",
+      "kavlan-9": "2001:660:4406:589:9:2::3"
+    },
+    "eth3": {
+      "kavlan-1": "2001:660:4406:581:9:3::3",
+      "kavlan-11": "2001:660:4406:58b:9:3::3",
+      "kavlan-12": "2001:660:4406:58c:9:3::3",
+      "kavlan-13": "2001:660:4406:58d:9:3::3",
+      "kavlan-14": "2001:660:4406:58e:9:3::3",
+      "kavlan-16": "2001:660:4406:590:9:3::3",
+      "kavlan-18": "2001:660:4406:592:9:3::3",
+      "kavlan-2": "2001:660:4406:582:9:3::3",
+      "kavlan-20": "2001:660:4406:594:9:3::3",
+      "kavlan-21": "2001:660:4406:595:9:3::3",
+      "kavlan-3": "2001:660:4406:583:9:3::3",
+      "kavlan-4": "2001:660:4406:584:9:3::3",
+      "kavlan-5": "2001:660:4406:585:9:3::3",
+      "kavlan-6": "2001:660:4406:586:9:3::3",
+      "kavlan-7": "2001:660:4406:587:9:3::3",
+      "kavlan-8": "2001:660:4406:588:9:3::3",
+      "kavlan-9": "2001:660:4406:589:9:3::3"
+    },
+    "eth4": {
+      "kavlan-1": "2001:660:4406:581:9:4::3",
+      "kavlan-11": "2001:660:4406:58b:9:4::3",
+      "kavlan-12": "2001:660:4406:58c:9:4::3",
+      "kavlan-13": "2001:660:4406:58d:9:4::3",
+      "kavlan-14": "2001:660:4406:58e:9:4::3",
+      "kavlan-16": "2001:660:4406:590:9:4::3",
+      "kavlan-18": "2001:660:4406:592:9:4::3",
+      "kavlan-2": "2001:660:4406:582:9:4::3",
+      "kavlan-20": "2001:660:4406:594:9:4::3",
+      "kavlan-21": "2001:660:4406:595:9:4::3",
+      "kavlan-3": "2001:660:4406:583:9:4::3",
+      "kavlan-4": "2001:660:4406:584:9:4::3",
+      "kavlan-5": "2001:660:4406:585:9:4::3",
+      "kavlan-6": "2001:660:4406:586:9:4::3",
+      "kavlan-7": "2001:660:4406:587:9:4::3",
+      "kavlan-8": "2001:660:4406:588:9:4::3",
+      "kavlan-9": "2001:660:4406:589:9:4::3"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -150,6 +247,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:1::3",
       "kavlan": true,
       "mac": "24:6e:96:03:0b:fa",
       "management": false,
@@ -170,6 +268,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:2::3",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4b:88",
       "management": false,
@@ -190,6 +289,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:3::3",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4b:8a",
       "management": false,
@@ -210,6 +310,7 @@
       "enabled": true,
       "firmware_version": "1.67, 0x80000fab, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:4::3",
       "kavlan": true,
       "mac": "24:6e:96:03:0b:fc",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-30.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-30.json
index 460e3b9a04cf726e7446c8ff3ea87b6c07640fe4..6de87e30a9a3c7f7c1efff9d42824670f85d38a5 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-30.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-30.json
@@ -114,6 +114,103 @@
       "kavlan-9": "10.17.73.130"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:9::1e",
+      "kavlan-11": "2001:660:4406:58b:9::1e",
+      "kavlan-12": "2001:660:4406:58c:9::1e",
+      "kavlan-13": "2001:660:4406:58d:9::1e",
+      "kavlan-14": "2001:660:4406:58e:9::1e",
+      "kavlan-16": "2001:660:4406:590:9::1e",
+      "kavlan-18": "2001:660:4406:592:9::1e",
+      "kavlan-2": "2001:660:4406:582:9::1e",
+      "kavlan-20": "2001:660:4406:594:9::1e",
+      "kavlan-21": "2001:660:4406:595:9::1e",
+      "kavlan-3": "2001:660:4406:583:9::1e",
+      "kavlan-4": "2001:660:4406:584:9::1e",
+      "kavlan-5": "2001:660:4406:585:9::1e",
+      "kavlan-6": "2001:660:4406:586:9::1e",
+      "kavlan-7": "2001:660:4406:587:9::1e",
+      "kavlan-8": "2001:660:4406:588:9::1e",
+      "kavlan-9": "2001:660:4406:589:9::1e"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:9:1::1e",
+      "kavlan-11": "2001:660:4406:58b:9:1::1e",
+      "kavlan-12": "2001:660:4406:58c:9:1::1e",
+      "kavlan-13": "2001:660:4406:58d:9:1::1e",
+      "kavlan-14": "2001:660:4406:58e:9:1::1e",
+      "kavlan-16": "2001:660:4406:590:9:1::1e",
+      "kavlan-18": "2001:660:4406:592:9:1::1e",
+      "kavlan-2": "2001:660:4406:582:9:1::1e",
+      "kavlan-20": "2001:660:4406:594:9:1::1e",
+      "kavlan-21": "2001:660:4406:595:9:1::1e",
+      "kavlan-3": "2001:660:4406:583:9:1::1e",
+      "kavlan-4": "2001:660:4406:584:9:1::1e",
+      "kavlan-5": "2001:660:4406:585:9:1::1e",
+      "kavlan-6": "2001:660:4406:586:9:1::1e",
+      "kavlan-7": "2001:660:4406:587:9:1::1e",
+      "kavlan-8": "2001:660:4406:588:9:1::1e",
+      "kavlan-9": "2001:660:4406:589:9:1::1e"
+    },
+    "eth2": {
+      "kavlan-1": "2001:660:4406:581:9:2::1e",
+      "kavlan-11": "2001:660:4406:58b:9:2::1e",
+      "kavlan-12": "2001:660:4406:58c:9:2::1e",
+      "kavlan-13": "2001:660:4406:58d:9:2::1e",
+      "kavlan-14": "2001:660:4406:58e:9:2::1e",
+      "kavlan-16": "2001:660:4406:590:9:2::1e",
+      "kavlan-18": "2001:660:4406:592:9:2::1e",
+      "kavlan-2": "2001:660:4406:582:9:2::1e",
+      "kavlan-20": "2001:660:4406:594:9:2::1e",
+      "kavlan-21": "2001:660:4406:595:9:2::1e",
+      "kavlan-3": "2001:660:4406:583:9:2::1e",
+      "kavlan-4": "2001:660:4406:584:9:2::1e",
+      "kavlan-5": "2001:660:4406:585:9:2::1e",
+      "kavlan-6": "2001:660:4406:586:9:2::1e",
+      "kavlan-7": "2001:660:4406:587:9:2::1e",
+      "kavlan-8": "2001:660:4406:588:9:2::1e",
+      "kavlan-9": "2001:660:4406:589:9:2::1e"
+    },
+    "eth3": {
+      "kavlan-1": "2001:660:4406:581:9:3::1e",
+      "kavlan-11": "2001:660:4406:58b:9:3::1e",
+      "kavlan-12": "2001:660:4406:58c:9:3::1e",
+      "kavlan-13": "2001:660:4406:58d:9:3::1e",
+      "kavlan-14": "2001:660:4406:58e:9:3::1e",
+      "kavlan-16": "2001:660:4406:590:9:3::1e",
+      "kavlan-18": "2001:660:4406:592:9:3::1e",
+      "kavlan-2": "2001:660:4406:582:9:3::1e",
+      "kavlan-20": "2001:660:4406:594:9:3::1e",
+      "kavlan-21": "2001:660:4406:595:9:3::1e",
+      "kavlan-3": "2001:660:4406:583:9:3::1e",
+      "kavlan-4": "2001:660:4406:584:9:3::1e",
+      "kavlan-5": "2001:660:4406:585:9:3::1e",
+      "kavlan-6": "2001:660:4406:586:9:3::1e",
+      "kavlan-7": "2001:660:4406:587:9:3::1e",
+      "kavlan-8": "2001:660:4406:588:9:3::1e",
+      "kavlan-9": "2001:660:4406:589:9:3::1e"
+    },
+    "eth4": {
+      "kavlan-1": "2001:660:4406:581:9:4::1e",
+      "kavlan-11": "2001:660:4406:58b:9:4::1e",
+      "kavlan-12": "2001:660:4406:58c:9:4::1e",
+      "kavlan-13": "2001:660:4406:58d:9:4::1e",
+      "kavlan-14": "2001:660:4406:58e:9:4::1e",
+      "kavlan-16": "2001:660:4406:590:9:4::1e",
+      "kavlan-18": "2001:660:4406:592:9:4::1e",
+      "kavlan-2": "2001:660:4406:582:9:4::1e",
+      "kavlan-20": "2001:660:4406:594:9:4::1e",
+      "kavlan-21": "2001:660:4406:595:9:4::1e",
+      "kavlan-3": "2001:660:4406:583:9:4::1e",
+      "kavlan-4": "2001:660:4406:584:9:4::1e",
+      "kavlan-5": "2001:660:4406:585:9:4::1e",
+      "kavlan-6": "2001:660:4406:586:9:4::1e",
+      "kavlan-7": "2001:660:4406:587:9:4::1e",
+      "kavlan-8": "2001:660:4406:588:9:4::1e",
+      "kavlan-9": "2001:660:4406:589:9:4::1e"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -150,6 +247,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:1::1e",
       "kavlan": true,
       "mac": "24:6e:96:02:a4:32",
       "management": false,
@@ -170,6 +268,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:2::1e",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4b:44",
       "management": false,
@@ -190,6 +289,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:3::1e",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4b:46",
       "management": false,
@@ -210,6 +310,7 @@
       "enabled": true,
       "firmware_version": "1.67, 0x80000fab, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:4::1e",
       "kavlan": true,
       "mac": "24:6e:96:02:a4:34",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-31.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-31.json
index f281b255f9d7b147318485ce58c31bc7289a49d1..4fcf342444e9f294eb5b925638fa2bd1c1f7a302 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-31.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-31.json
@@ -114,6 +114,103 @@
       "kavlan-9": "10.17.73.131"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:9::1f",
+      "kavlan-11": "2001:660:4406:58b:9::1f",
+      "kavlan-12": "2001:660:4406:58c:9::1f",
+      "kavlan-13": "2001:660:4406:58d:9::1f",
+      "kavlan-14": "2001:660:4406:58e:9::1f",
+      "kavlan-16": "2001:660:4406:590:9::1f",
+      "kavlan-18": "2001:660:4406:592:9::1f",
+      "kavlan-2": "2001:660:4406:582:9::1f",
+      "kavlan-20": "2001:660:4406:594:9::1f",
+      "kavlan-21": "2001:660:4406:595:9::1f",
+      "kavlan-3": "2001:660:4406:583:9::1f",
+      "kavlan-4": "2001:660:4406:584:9::1f",
+      "kavlan-5": "2001:660:4406:585:9::1f",
+      "kavlan-6": "2001:660:4406:586:9::1f",
+      "kavlan-7": "2001:660:4406:587:9::1f",
+      "kavlan-8": "2001:660:4406:588:9::1f",
+      "kavlan-9": "2001:660:4406:589:9::1f"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:9:1::1f",
+      "kavlan-11": "2001:660:4406:58b:9:1::1f",
+      "kavlan-12": "2001:660:4406:58c:9:1::1f",
+      "kavlan-13": "2001:660:4406:58d:9:1::1f",
+      "kavlan-14": "2001:660:4406:58e:9:1::1f",
+      "kavlan-16": "2001:660:4406:590:9:1::1f",
+      "kavlan-18": "2001:660:4406:592:9:1::1f",
+      "kavlan-2": "2001:660:4406:582:9:1::1f",
+      "kavlan-20": "2001:660:4406:594:9:1::1f",
+      "kavlan-21": "2001:660:4406:595:9:1::1f",
+      "kavlan-3": "2001:660:4406:583:9:1::1f",
+      "kavlan-4": "2001:660:4406:584:9:1::1f",
+      "kavlan-5": "2001:660:4406:585:9:1::1f",
+      "kavlan-6": "2001:660:4406:586:9:1::1f",
+      "kavlan-7": "2001:660:4406:587:9:1::1f",
+      "kavlan-8": "2001:660:4406:588:9:1::1f",
+      "kavlan-9": "2001:660:4406:589:9:1::1f"
+    },
+    "eth2": {
+      "kavlan-1": "2001:660:4406:581:9:2::1f",
+      "kavlan-11": "2001:660:4406:58b:9:2::1f",
+      "kavlan-12": "2001:660:4406:58c:9:2::1f",
+      "kavlan-13": "2001:660:4406:58d:9:2::1f",
+      "kavlan-14": "2001:660:4406:58e:9:2::1f",
+      "kavlan-16": "2001:660:4406:590:9:2::1f",
+      "kavlan-18": "2001:660:4406:592:9:2::1f",
+      "kavlan-2": "2001:660:4406:582:9:2::1f",
+      "kavlan-20": "2001:660:4406:594:9:2::1f",
+      "kavlan-21": "2001:660:4406:595:9:2::1f",
+      "kavlan-3": "2001:660:4406:583:9:2::1f",
+      "kavlan-4": "2001:660:4406:584:9:2::1f",
+      "kavlan-5": "2001:660:4406:585:9:2::1f",
+      "kavlan-6": "2001:660:4406:586:9:2::1f",
+      "kavlan-7": "2001:660:4406:587:9:2::1f",
+      "kavlan-8": "2001:660:4406:588:9:2::1f",
+      "kavlan-9": "2001:660:4406:589:9:2::1f"
+    },
+    "eth3": {
+      "kavlan-1": "2001:660:4406:581:9:3::1f",
+      "kavlan-11": "2001:660:4406:58b:9:3::1f",
+      "kavlan-12": "2001:660:4406:58c:9:3::1f",
+      "kavlan-13": "2001:660:4406:58d:9:3::1f",
+      "kavlan-14": "2001:660:4406:58e:9:3::1f",
+      "kavlan-16": "2001:660:4406:590:9:3::1f",
+      "kavlan-18": "2001:660:4406:592:9:3::1f",
+      "kavlan-2": "2001:660:4406:582:9:3::1f",
+      "kavlan-20": "2001:660:4406:594:9:3::1f",
+      "kavlan-21": "2001:660:4406:595:9:3::1f",
+      "kavlan-3": "2001:660:4406:583:9:3::1f",
+      "kavlan-4": "2001:660:4406:584:9:3::1f",
+      "kavlan-5": "2001:660:4406:585:9:3::1f",
+      "kavlan-6": "2001:660:4406:586:9:3::1f",
+      "kavlan-7": "2001:660:4406:587:9:3::1f",
+      "kavlan-8": "2001:660:4406:588:9:3::1f",
+      "kavlan-9": "2001:660:4406:589:9:3::1f"
+    },
+    "eth4": {
+      "kavlan-1": "2001:660:4406:581:9:4::1f",
+      "kavlan-11": "2001:660:4406:58b:9:4::1f",
+      "kavlan-12": "2001:660:4406:58c:9:4::1f",
+      "kavlan-13": "2001:660:4406:58d:9:4::1f",
+      "kavlan-14": "2001:660:4406:58e:9:4::1f",
+      "kavlan-16": "2001:660:4406:590:9:4::1f",
+      "kavlan-18": "2001:660:4406:592:9:4::1f",
+      "kavlan-2": "2001:660:4406:582:9:4::1f",
+      "kavlan-20": "2001:660:4406:594:9:4::1f",
+      "kavlan-21": "2001:660:4406:595:9:4::1f",
+      "kavlan-3": "2001:660:4406:583:9:4::1f",
+      "kavlan-4": "2001:660:4406:584:9:4::1f",
+      "kavlan-5": "2001:660:4406:585:9:4::1f",
+      "kavlan-6": "2001:660:4406:586:9:4::1f",
+      "kavlan-7": "2001:660:4406:587:9:4::1f",
+      "kavlan-8": "2001:660:4406:588:9:4::1f",
+      "kavlan-9": "2001:660:4406:589:9:4::1f"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -150,6 +247,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:1::1f",
       "kavlan": true,
       "mac": "24:6e:96:03:10:fa",
       "management": false,
@@ -170,6 +268,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:2::1f",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4c:dc",
       "management": false,
@@ -190,6 +289,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:3::1f",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4c:de",
       "management": false,
@@ -210,6 +310,7 @@
       "enabled": true,
       "firmware_version": "1.67, 0x80000fab, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:4::1f",
       "kavlan": true,
       "mac": "24:6e:96:03:10:fc",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-32.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-32.json
index cba57e63bf35bf6f7582c8a12c0d8a7758e856df..4f916b9dcb4f35b9a0abb77e92826ba4ebfbd135 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-32.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-32.json
@@ -114,6 +114,103 @@
       "kavlan-9": "10.17.73.132"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:9::20",
+      "kavlan-11": "2001:660:4406:58b:9::20",
+      "kavlan-12": "2001:660:4406:58c:9::20",
+      "kavlan-13": "2001:660:4406:58d:9::20",
+      "kavlan-14": "2001:660:4406:58e:9::20",
+      "kavlan-16": "2001:660:4406:590:9::20",
+      "kavlan-18": "2001:660:4406:592:9::20",
+      "kavlan-2": "2001:660:4406:582:9::20",
+      "kavlan-20": "2001:660:4406:594:9::20",
+      "kavlan-21": "2001:660:4406:595:9::20",
+      "kavlan-3": "2001:660:4406:583:9::20",
+      "kavlan-4": "2001:660:4406:584:9::20",
+      "kavlan-5": "2001:660:4406:585:9::20",
+      "kavlan-6": "2001:660:4406:586:9::20",
+      "kavlan-7": "2001:660:4406:587:9::20",
+      "kavlan-8": "2001:660:4406:588:9::20",
+      "kavlan-9": "2001:660:4406:589:9::20"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:9:1::20",
+      "kavlan-11": "2001:660:4406:58b:9:1::20",
+      "kavlan-12": "2001:660:4406:58c:9:1::20",
+      "kavlan-13": "2001:660:4406:58d:9:1::20",
+      "kavlan-14": "2001:660:4406:58e:9:1::20",
+      "kavlan-16": "2001:660:4406:590:9:1::20",
+      "kavlan-18": "2001:660:4406:592:9:1::20",
+      "kavlan-2": "2001:660:4406:582:9:1::20",
+      "kavlan-20": "2001:660:4406:594:9:1::20",
+      "kavlan-21": "2001:660:4406:595:9:1::20",
+      "kavlan-3": "2001:660:4406:583:9:1::20",
+      "kavlan-4": "2001:660:4406:584:9:1::20",
+      "kavlan-5": "2001:660:4406:585:9:1::20",
+      "kavlan-6": "2001:660:4406:586:9:1::20",
+      "kavlan-7": "2001:660:4406:587:9:1::20",
+      "kavlan-8": "2001:660:4406:588:9:1::20",
+      "kavlan-9": "2001:660:4406:589:9:1::20"
+    },
+    "eth2": {
+      "kavlan-1": "2001:660:4406:581:9:2::20",
+      "kavlan-11": "2001:660:4406:58b:9:2::20",
+      "kavlan-12": "2001:660:4406:58c:9:2::20",
+      "kavlan-13": "2001:660:4406:58d:9:2::20",
+      "kavlan-14": "2001:660:4406:58e:9:2::20",
+      "kavlan-16": "2001:660:4406:590:9:2::20",
+      "kavlan-18": "2001:660:4406:592:9:2::20",
+      "kavlan-2": "2001:660:4406:582:9:2::20",
+      "kavlan-20": "2001:660:4406:594:9:2::20",
+      "kavlan-21": "2001:660:4406:595:9:2::20",
+      "kavlan-3": "2001:660:4406:583:9:2::20",
+      "kavlan-4": "2001:660:4406:584:9:2::20",
+      "kavlan-5": "2001:660:4406:585:9:2::20",
+      "kavlan-6": "2001:660:4406:586:9:2::20",
+      "kavlan-7": "2001:660:4406:587:9:2::20",
+      "kavlan-8": "2001:660:4406:588:9:2::20",
+      "kavlan-9": "2001:660:4406:589:9:2::20"
+    },
+    "eth3": {
+      "kavlan-1": "2001:660:4406:581:9:3::20",
+      "kavlan-11": "2001:660:4406:58b:9:3::20",
+      "kavlan-12": "2001:660:4406:58c:9:3::20",
+      "kavlan-13": "2001:660:4406:58d:9:3::20",
+      "kavlan-14": "2001:660:4406:58e:9:3::20",
+      "kavlan-16": "2001:660:4406:590:9:3::20",
+      "kavlan-18": "2001:660:4406:592:9:3::20",
+      "kavlan-2": "2001:660:4406:582:9:3::20",
+      "kavlan-20": "2001:660:4406:594:9:3::20",
+      "kavlan-21": "2001:660:4406:595:9:3::20",
+      "kavlan-3": "2001:660:4406:583:9:3::20",
+      "kavlan-4": "2001:660:4406:584:9:3::20",
+      "kavlan-5": "2001:660:4406:585:9:3::20",
+      "kavlan-6": "2001:660:4406:586:9:3::20",
+      "kavlan-7": "2001:660:4406:587:9:3::20",
+      "kavlan-8": "2001:660:4406:588:9:3::20",
+      "kavlan-9": "2001:660:4406:589:9:3::20"
+    },
+    "eth4": {
+      "kavlan-1": "2001:660:4406:581:9:4::20",
+      "kavlan-11": "2001:660:4406:58b:9:4::20",
+      "kavlan-12": "2001:660:4406:58c:9:4::20",
+      "kavlan-13": "2001:660:4406:58d:9:4::20",
+      "kavlan-14": "2001:660:4406:58e:9:4::20",
+      "kavlan-16": "2001:660:4406:590:9:4::20",
+      "kavlan-18": "2001:660:4406:592:9:4::20",
+      "kavlan-2": "2001:660:4406:582:9:4::20",
+      "kavlan-20": "2001:660:4406:594:9:4::20",
+      "kavlan-21": "2001:660:4406:595:9:4::20",
+      "kavlan-3": "2001:660:4406:583:9:4::20",
+      "kavlan-4": "2001:660:4406:584:9:4::20",
+      "kavlan-5": "2001:660:4406:585:9:4::20",
+      "kavlan-6": "2001:660:4406:586:9:4::20",
+      "kavlan-7": "2001:660:4406:587:9:4::20",
+      "kavlan-8": "2001:660:4406:588:9:4::20",
+      "kavlan-9": "2001:660:4406:589:9:4::20"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -150,6 +247,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:1::20",
       "kavlan": true,
       "mac": "24:6e:96:03:11:d2",
       "management": false,
@@ -170,6 +268,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:2::20",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4c:2c",
       "management": false,
@@ -190,6 +289,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:3::20",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4c:2e",
       "management": false,
@@ -210,6 +310,7 @@
       "enabled": true,
       "firmware_version": "1.67, 0x80000fab, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:4::20",
       "kavlan": true,
       "mac": "24:6e:96:03:11:d4",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-33.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-33.json
index 301925f411ed916bb2d4c58edf742c3ba4242d23..d95c947d1f3016628f2e27a92d12a787bdea9c32 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-33.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-33.json
@@ -114,6 +114,103 @@
       "kavlan-9": "10.17.73.133"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:9::21",
+      "kavlan-11": "2001:660:4406:58b:9::21",
+      "kavlan-12": "2001:660:4406:58c:9::21",
+      "kavlan-13": "2001:660:4406:58d:9::21",
+      "kavlan-14": "2001:660:4406:58e:9::21",
+      "kavlan-16": "2001:660:4406:590:9::21",
+      "kavlan-18": "2001:660:4406:592:9::21",
+      "kavlan-2": "2001:660:4406:582:9::21",
+      "kavlan-20": "2001:660:4406:594:9::21",
+      "kavlan-21": "2001:660:4406:595:9::21",
+      "kavlan-3": "2001:660:4406:583:9::21",
+      "kavlan-4": "2001:660:4406:584:9::21",
+      "kavlan-5": "2001:660:4406:585:9::21",
+      "kavlan-6": "2001:660:4406:586:9::21",
+      "kavlan-7": "2001:660:4406:587:9::21",
+      "kavlan-8": "2001:660:4406:588:9::21",
+      "kavlan-9": "2001:660:4406:589:9::21"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:9:1::21",
+      "kavlan-11": "2001:660:4406:58b:9:1::21",
+      "kavlan-12": "2001:660:4406:58c:9:1::21",
+      "kavlan-13": "2001:660:4406:58d:9:1::21",
+      "kavlan-14": "2001:660:4406:58e:9:1::21",
+      "kavlan-16": "2001:660:4406:590:9:1::21",
+      "kavlan-18": "2001:660:4406:592:9:1::21",
+      "kavlan-2": "2001:660:4406:582:9:1::21",
+      "kavlan-20": "2001:660:4406:594:9:1::21",
+      "kavlan-21": "2001:660:4406:595:9:1::21",
+      "kavlan-3": "2001:660:4406:583:9:1::21",
+      "kavlan-4": "2001:660:4406:584:9:1::21",
+      "kavlan-5": "2001:660:4406:585:9:1::21",
+      "kavlan-6": "2001:660:4406:586:9:1::21",
+      "kavlan-7": "2001:660:4406:587:9:1::21",
+      "kavlan-8": "2001:660:4406:588:9:1::21",
+      "kavlan-9": "2001:660:4406:589:9:1::21"
+    },
+    "eth2": {
+      "kavlan-1": "2001:660:4406:581:9:2::21",
+      "kavlan-11": "2001:660:4406:58b:9:2::21",
+      "kavlan-12": "2001:660:4406:58c:9:2::21",
+      "kavlan-13": "2001:660:4406:58d:9:2::21",
+      "kavlan-14": "2001:660:4406:58e:9:2::21",
+      "kavlan-16": "2001:660:4406:590:9:2::21",
+      "kavlan-18": "2001:660:4406:592:9:2::21",
+      "kavlan-2": "2001:660:4406:582:9:2::21",
+      "kavlan-20": "2001:660:4406:594:9:2::21",
+      "kavlan-21": "2001:660:4406:595:9:2::21",
+      "kavlan-3": "2001:660:4406:583:9:2::21",
+      "kavlan-4": "2001:660:4406:584:9:2::21",
+      "kavlan-5": "2001:660:4406:585:9:2::21",
+      "kavlan-6": "2001:660:4406:586:9:2::21",
+      "kavlan-7": "2001:660:4406:587:9:2::21",
+      "kavlan-8": "2001:660:4406:588:9:2::21",
+      "kavlan-9": "2001:660:4406:589:9:2::21"
+    },
+    "eth3": {
+      "kavlan-1": "2001:660:4406:581:9:3::21",
+      "kavlan-11": "2001:660:4406:58b:9:3::21",
+      "kavlan-12": "2001:660:4406:58c:9:3::21",
+      "kavlan-13": "2001:660:4406:58d:9:3::21",
+      "kavlan-14": "2001:660:4406:58e:9:3::21",
+      "kavlan-16": "2001:660:4406:590:9:3::21",
+      "kavlan-18": "2001:660:4406:592:9:3::21",
+      "kavlan-2": "2001:660:4406:582:9:3::21",
+      "kavlan-20": "2001:660:4406:594:9:3::21",
+      "kavlan-21": "2001:660:4406:595:9:3::21",
+      "kavlan-3": "2001:660:4406:583:9:3::21",
+      "kavlan-4": "2001:660:4406:584:9:3::21",
+      "kavlan-5": "2001:660:4406:585:9:3::21",
+      "kavlan-6": "2001:660:4406:586:9:3::21",
+      "kavlan-7": "2001:660:4406:587:9:3::21",
+      "kavlan-8": "2001:660:4406:588:9:3::21",
+      "kavlan-9": "2001:660:4406:589:9:3::21"
+    },
+    "eth4": {
+      "kavlan-1": "2001:660:4406:581:9:4::21",
+      "kavlan-11": "2001:660:4406:58b:9:4::21",
+      "kavlan-12": "2001:660:4406:58c:9:4::21",
+      "kavlan-13": "2001:660:4406:58d:9:4::21",
+      "kavlan-14": "2001:660:4406:58e:9:4::21",
+      "kavlan-16": "2001:660:4406:590:9:4::21",
+      "kavlan-18": "2001:660:4406:592:9:4::21",
+      "kavlan-2": "2001:660:4406:582:9:4::21",
+      "kavlan-20": "2001:660:4406:594:9:4::21",
+      "kavlan-21": "2001:660:4406:595:9:4::21",
+      "kavlan-3": "2001:660:4406:583:9:4::21",
+      "kavlan-4": "2001:660:4406:584:9:4::21",
+      "kavlan-5": "2001:660:4406:585:9:4::21",
+      "kavlan-6": "2001:660:4406:586:9:4::21",
+      "kavlan-7": "2001:660:4406:587:9:4::21",
+      "kavlan-8": "2001:660:4406:588:9:4::21",
+      "kavlan-9": "2001:660:4406:589:9:4::21"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -150,6 +247,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:1::21",
       "kavlan": true,
       "mac": "24:6e:96:03:09:b2",
       "management": false,
@@ -170,6 +268,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:2::21",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4c:e4",
       "management": false,
@@ -190,6 +289,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:3::21",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4c:e6",
       "management": false,
@@ -210,6 +310,7 @@
       "enabled": true,
       "firmware_version": "1.67, 0x80000fab, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:4::21",
       "kavlan": true,
       "mac": "24:6e:96:03:09:b4",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-34.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-34.json
index d3c587feec3523e03c90a4edaf46e28d58e6fb90..05bdeef0c47028c934b016891e742dbff4bf9af4 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-34.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-34.json
@@ -114,6 +114,103 @@
       "kavlan-9": "10.17.73.134"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:9::22",
+      "kavlan-11": "2001:660:4406:58b:9::22",
+      "kavlan-12": "2001:660:4406:58c:9::22",
+      "kavlan-13": "2001:660:4406:58d:9::22",
+      "kavlan-14": "2001:660:4406:58e:9::22",
+      "kavlan-16": "2001:660:4406:590:9::22",
+      "kavlan-18": "2001:660:4406:592:9::22",
+      "kavlan-2": "2001:660:4406:582:9::22",
+      "kavlan-20": "2001:660:4406:594:9::22",
+      "kavlan-21": "2001:660:4406:595:9::22",
+      "kavlan-3": "2001:660:4406:583:9::22",
+      "kavlan-4": "2001:660:4406:584:9::22",
+      "kavlan-5": "2001:660:4406:585:9::22",
+      "kavlan-6": "2001:660:4406:586:9::22",
+      "kavlan-7": "2001:660:4406:587:9::22",
+      "kavlan-8": "2001:660:4406:588:9::22",
+      "kavlan-9": "2001:660:4406:589:9::22"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:9:1::22",
+      "kavlan-11": "2001:660:4406:58b:9:1::22",
+      "kavlan-12": "2001:660:4406:58c:9:1::22",
+      "kavlan-13": "2001:660:4406:58d:9:1::22",
+      "kavlan-14": "2001:660:4406:58e:9:1::22",
+      "kavlan-16": "2001:660:4406:590:9:1::22",
+      "kavlan-18": "2001:660:4406:592:9:1::22",
+      "kavlan-2": "2001:660:4406:582:9:1::22",
+      "kavlan-20": "2001:660:4406:594:9:1::22",
+      "kavlan-21": "2001:660:4406:595:9:1::22",
+      "kavlan-3": "2001:660:4406:583:9:1::22",
+      "kavlan-4": "2001:660:4406:584:9:1::22",
+      "kavlan-5": "2001:660:4406:585:9:1::22",
+      "kavlan-6": "2001:660:4406:586:9:1::22",
+      "kavlan-7": "2001:660:4406:587:9:1::22",
+      "kavlan-8": "2001:660:4406:588:9:1::22",
+      "kavlan-9": "2001:660:4406:589:9:1::22"
+    },
+    "eth2": {
+      "kavlan-1": "2001:660:4406:581:9:2::22",
+      "kavlan-11": "2001:660:4406:58b:9:2::22",
+      "kavlan-12": "2001:660:4406:58c:9:2::22",
+      "kavlan-13": "2001:660:4406:58d:9:2::22",
+      "kavlan-14": "2001:660:4406:58e:9:2::22",
+      "kavlan-16": "2001:660:4406:590:9:2::22",
+      "kavlan-18": "2001:660:4406:592:9:2::22",
+      "kavlan-2": "2001:660:4406:582:9:2::22",
+      "kavlan-20": "2001:660:4406:594:9:2::22",
+      "kavlan-21": "2001:660:4406:595:9:2::22",
+      "kavlan-3": "2001:660:4406:583:9:2::22",
+      "kavlan-4": "2001:660:4406:584:9:2::22",
+      "kavlan-5": "2001:660:4406:585:9:2::22",
+      "kavlan-6": "2001:660:4406:586:9:2::22",
+      "kavlan-7": "2001:660:4406:587:9:2::22",
+      "kavlan-8": "2001:660:4406:588:9:2::22",
+      "kavlan-9": "2001:660:4406:589:9:2::22"
+    },
+    "eth3": {
+      "kavlan-1": "2001:660:4406:581:9:3::22",
+      "kavlan-11": "2001:660:4406:58b:9:3::22",
+      "kavlan-12": "2001:660:4406:58c:9:3::22",
+      "kavlan-13": "2001:660:4406:58d:9:3::22",
+      "kavlan-14": "2001:660:4406:58e:9:3::22",
+      "kavlan-16": "2001:660:4406:590:9:3::22",
+      "kavlan-18": "2001:660:4406:592:9:3::22",
+      "kavlan-2": "2001:660:4406:582:9:3::22",
+      "kavlan-20": "2001:660:4406:594:9:3::22",
+      "kavlan-21": "2001:660:4406:595:9:3::22",
+      "kavlan-3": "2001:660:4406:583:9:3::22",
+      "kavlan-4": "2001:660:4406:584:9:3::22",
+      "kavlan-5": "2001:660:4406:585:9:3::22",
+      "kavlan-6": "2001:660:4406:586:9:3::22",
+      "kavlan-7": "2001:660:4406:587:9:3::22",
+      "kavlan-8": "2001:660:4406:588:9:3::22",
+      "kavlan-9": "2001:660:4406:589:9:3::22"
+    },
+    "eth4": {
+      "kavlan-1": "2001:660:4406:581:9:4::22",
+      "kavlan-11": "2001:660:4406:58b:9:4::22",
+      "kavlan-12": "2001:660:4406:58c:9:4::22",
+      "kavlan-13": "2001:660:4406:58d:9:4::22",
+      "kavlan-14": "2001:660:4406:58e:9:4::22",
+      "kavlan-16": "2001:660:4406:590:9:4::22",
+      "kavlan-18": "2001:660:4406:592:9:4::22",
+      "kavlan-2": "2001:660:4406:582:9:4::22",
+      "kavlan-20": "2001:660:4406:594:9:4::22",
+      "kavlan-21": "2001:660:4406:595:9:4::22",
+      "kavlan-3": "2001:660:4406:583:9:4::22",
+      "kavlan-4": "2001:660:4406:584:9:4::22",
+      "kavlan-5": "2001:660:4406:585:9:4::22",
+      "kavlan-6": "2001:660:4406:586:9:4::22",
+      "kavlan-7": "2001:660:4406:587:9:4::22",
+      "kavlan-8": "2001:660:4406:588:9:4::22",
+      "kavlan-9": "2001:660:4406:589:9:4::22"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -150,6 +247,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:1::22",
       "kavlan": true,
       "mac": "24:6e:96:03:1f:ca",
       "management": false,
@@ -170,6 +268,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:2::22",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4d:fc",
       "management": false,
@@ -190,6 +289,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:3::22",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4d:fe",
       "management": false,
@@ -210,6 +310,7 @@
       "enabled": true,
       "firmware_version": "1.67, 0x80000fab, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:4::22",
       "kavlan": true,
       "mac": "24:6e:96:03:1f:cc",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-35.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-35.json
index 3603988f7ff931ac9a75244c9ab95520173a544f..81fa21284a4bcf86cb06843b21f8f2354fbacbc7 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-35.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-35.json
@@ -114,6 +114,103 @@
       "kavlan-9": "10.17.73.135"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:9::23",
+      "kavlan-11": "2001:660:4406:58b:9::23",
+      "kavlan-12": "2001:660:4406:58c:9::23",
+      "kavlan-13": "2001:660:4406:58d:9::23",
+      "kavlan-14": "2001:660:4406:58e:9::23",
+      "kavlan-16": "2001:660:4406:590:9::23",
+      "kavlan-18": "2001:660:4406:592:9::23",
+      "kavlan-2": "2001:660:4406:582:9::23",
+      "kavlan-20": "2001:660:4406:594:9::23",
+      "kavlan-21": "2001:660:4406:595:9::23",
+      "kavlan-3": "2001:660:4406:583:9::23",
+      "kavlan-4": "2001:660:4406:584:9::23",
+      "kavlan-5": "2001:660:4406:585:9::23",
+      "kavlan-6": "2001:660:4406:586:9::23",
+      "kavlan-7": "2001:660:4406:587:9::23",
+      "kavlan-8": "2001:660:4406:588:9::23",
+      "kavlan-9": "2001:660:4406:589:9::23"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:9:1::23",
+      "kavlan-11": "2001:660:4406:58b:9:1::23",
+      "kavlan-12": "2001:660:4406:58c:9:1::23",
+      "kavlan-13": "2001:660:4406:58d:9:1::23",
+      "kavlan-14": "2001:660:4406:58e:9:1::23",
+      "kavlan-16": "2001:660:4406:590:9:1::23",
+      "kavlan-18": "2001:660:4406:592:9:1::23",
+      "kavlan-2": "2001:660:4406:582:9:1::23",
+      "kavlan-20": "2001:660:4406:594:9:1::23",
+      "kavlan-21": "2001:660:4406:595:9:1::23",
+      "kavlan-3": "2001:660:4406:583:9:1::23",
+      "kavlan-4": "2001:660:4406:584:9:1::23",
+      "kavlan-5": "2001:660:4406:585:9:1::23",
+      "kavlan-6": "2001:660:4406:586:9:1::23",
+      "kavlan-7": "2001:660:4406:587:9:1::23",
+      "kavlan-8": "2001:660:4406:588:9:1::23",
+      "kavlan-9": "2001:660:4406:589:9:1::23"
+    },
+    "eth2": {
+      "kavlan-1": "2001:660:4406:581:9:2::23",
+      "kavlan-11": "2001:660:4406:58b:9:2::23",
+      "kavlan-12": "2001:660:4406:58c:9:2::23",
+      "kavlan-13": "2001:660:4406:58d:9:2::23",
+      "kavlan-14": "2001:660:4406:58e:9:2::23",
+      "kavlan-16": "2001:660:4406:590:9:2::23",
+      "kavlan-18": "2001:660:4406:592:9:2::23",
+      "kavlan-2": "2001:660:4406:582:9:2::23",
+      "kavlan-20": "2001:660:4406:594:9:2::23",
+      "kavlan-21": "2001:660:4406:595:9:2::23",
+      "kavlan-3": "2001:660:4406:583:9:2::23",
+      "kavlan-4": "2001:660:4406:584:9:2::23",
+      "kavlan-5": "2001:660:4406:585:9:2::23",
+      "kavlan-6": "2001:660:4406:586:9:2::23",
+      "kavlan-7": "2001:660:4406:587:9:2::23",
+      "kavlan-8": "2001:660:4406:588:9:2::23",
+      "kavlan-9": "2001:660:4406:589:9:2::23"
+    },
+    "eth3": {
+      "kavlan-1": "2001:660:4406:581:9:3::23",
+      "kavlan-11": "2001:660:4406:58b:9:3::23",
+      "kavlan-12": "2001:660:4406:58c:9:3::23",
+      "kavlan-13": "2001:660:4406:58d:9:3::23",
+      "kavlan-14": "2001:660:4406:58e:9:3::23",
+      "kavlan-16": "2001:660:4406:590:9:3::23",
+      "kavlan-18": "2001:660:4406:592:9:3::23",
+      "kavlan-2": "2001:660:4406:582:9:3::23",
+      "kavlan-20": "2001:660:4406:594:9:3::23",
+      "kavlan-21": "2001:660:4406:595:9:3::23",
+      "kavlan-3": "2001:660:4406:583:9:3::23",
+      "kavlan-4": "2001:660:4406:584:9:3::23",
+      "kavlan-5": "2001:660:4406:585:9:3::23",
+      "kavlan-6": "2001:660:4406:586:9:3::23",
+      "kavlan-7": "2001:660:4406:587:9:3::23",
+      "kavlan-8": "2001:660:4406:588:9:3::23",
+      "kavlan-9": "2001:660:4406:589:9:3::23"
+    },
+    "eth4": {
+      "kavlan-1": "2001:660:4406:581:9:4::23",
+      "kavlan-11": "2001:660:4406:58b:9:4::23",
+      "kavlan-12": "2001:660:4406:58c:9:4::23",
+      "kavlan-13": "2001:660:4406:58d:9:4::23",
+      "kavlan-14": "2001:660:4406:58e:9:4::23",
+      "kavlan-16": "2001:660:4406:590:9:4::23",
+      "kavlan-18": "2001:660:4406:592:9:4::23",
+      "kavlan-2": "2001:660:4406:582:9:4::23",
+      "kavlan-20": "2001:660:4406:594:9:4::23",
+      "kavlan-21": "2001:660:4406:595:9:4::23",
+      "kavlan-3": "2001:660:4406:583:9:4::23",
+      "kavlan-4": "2001:660:4406:584:9:4::23",
+      "kavlan-5": "2001:660:4406:585:9:4::23",
+      "kavlan-6": "2001:660:4406:586:9:4::23",
+      "kavlan-7": "2001:660:4406:587:9:4::23",
+      "kavlan-8": "2001:660:4406:588:9:4::23",
+      "kavlan-9": "2001:660:4406:589:9:4::23"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -150,6 +247,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:1::23",
       "kavlan": true,
       "mac": "24:6e:96:03:11:62",
       "management": false,
@@ -170,6 +268,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:2::23",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4a:d0",
       "management": false,
@@ -190,6 +289,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:3::23",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4a:d2",
       "management": false,
@@ -210,6 +310,7 @@
       "enabled": true,
       "firmware_version": "1.67, 0x80000fab, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:4::23",
       "kavlan": true,
       "mac": "24:6e:96:03:11:64",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-36.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-36.json
index f75c35748dac75ff05331609cc4ee7dc7b3f7cb4..9f48bad1d8869d3d748a92b7d7495a59d1d2ebf8 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-36.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-36.json
@@ -114,6 +114,103 @@
       "kavlan-9": "10.17.73.136"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:9::24",
+      "kavlan-11": "2001:660:4406:58b:9::24",
+      "kavlan-12": "2001:660:4406:58c:9::24",
+      "kavlan-13": "2001:660:4406:58d:9::24",
+      "kavlan-14": "2001:660:4406:58e:9::24",
+      "kavlan-16": "2001:660:4406:590:9::24",
+      "kavlan-18": "2001:660:4406:592:9::24",
+      "kavlan-2": "2001:660:4406:582:9::24",
+      "kavlan-20": "2001:660:4406:594:9::24",
+      "kavlan-21": "2001:660:4406:595:9::24",
+      "kavlan-3": "2001:660:4406:583:9::24",
+      "kavlan-4": "2001:660:4406:584:9::24",
+      "kavlan-5": "2001:660:4406:585:9::24",
+      "kavlan-6": "2001:660:4406:586:9::24",
+      "kavlan-7": "2001:660:4406:587:9::24",
+      "kavlan-8": "2001:660:4406:588:9::24",
+      "kavlan-9": "2001:660:4406:589:9::24"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:9:1::24",
+      "kavlan-11": "2001:660:4406:58b:9:1::24",
+      "kavlan-12": "2001:660:4406:58c:9:1::24",
+      "kavlan-13": "2001:660:4406:58d:9:1::24",
+      "kavlan-14": "2001:660:4406:58e:9:1::24",
+      "kavlan-16": "2001:660:4406:590:9:1::24",
+      "kavlan-18": "2001:660:4406:592:9:1::24",
+      "kavlan-2": "2001:660:4406:582:9:1::24",
+      "kavlan-20": "2001:660:4406:594:9:1::24",
+      "kavlan-21": "2001:660:4406:595:9:1::24",
+      "kavlan-3": "2001:660:4406:583:9:1::24",
+      "kavlan-4": "2001:660:4406:584:9:1::24",
+      "kavlan-5": "2001:660:4406:585:9:1::24",
+      "kavlan-6": "2001:660:4406:586:9:1::24",
+      "kavlan-7": "2001:660:4406:587:9:1::24",
+      "kavlan-8": "2001:660:4406:588:9:1::24",
+      "kavlan-9": "2001:660:4406:589:9:1::24"
+    },
+    "eth2": {
+      "kavlan-1": "2001:660:4406:581:9:2::24",
+      "kavlan-11": "2001:660:4406:58b:9:2::24",
+      "kavlan-12": "2001:660:4406:58c:9:2::24",
+      "kavlan-13": "2001:660:4406:58d:9:2::24",
+      "kavlan-14": "2001:660:4406:58e:9:2::24",
+      "kavlan-16": "2001:660:4406:590:9:2::24",
+      "kavlan-18": "2001:660:4406:592:9:2::24",
+      "kavlan-2": "2001:660:4406:582:9:2::24",
+      "kavlan-20": "2001:660:4406:594:9:2::24",
+      "kavlan-21": "2001:660:4406:595:9:2::24",
+      "kavlan-3": "2001:660:4406:583:9:2::24",
+      "kavlan-4": "2001:660:4406:584:9:2::24",
+      "kavlan-5": "2001:660:4406:585:9:2::24",
+      "kavlan-6": "2001:660:4406:586:9:2::24",
+      "kavlan-7": "2001:660:4406:587:9:2::24",
+      "kavlan-8": "2001:660:4406:588:9:2::24",
+      "kavlan-9": "2001:660:4406:589:9:2::24"
+    },
+    "eth3": {
+      "kavlan-1": "2001:660:4406:581:9:3::24",
+      "kavlan-11": "2001:660:4406:58b:9:3::24",
+      "kavlan-12": "2001:660:4406:58c:9:3::24",
+      "kavlan-13": "2001:660:4406:58d:9:3::24",
+      "kavlan-14": "2001:660:4406:58e:9:3::24",
+      "kavlan-16": "2001:660:4406:590:9:3::24",
+      "kavlan-18": "2001:660:4406:592:9:3::24",
+      "kavlan-2": "2001:660:4406:582:9:3::24",
+      "kavlan-20": "2001:660:4406:594:9:3::24",
+      "kavlan-21": "2001:660:4406:595:9:3::24",
+      "kavlan-3": "2001:660:4406:583:9:3::24",
+      "kavlan-4": "2001:660:4406:584:9:3::24",
+      "kavlan-5": "2001:660:4406:585:9:3::24",
+      "kavlan-6": "2001:660:4406:586:9:3::24",
+      "kavlan-7": "2001:660:4406:587:9:3::24",
+      "kavlan-8": "2001:660:4406:588:9:3::24",
+      "kavlan-9": "2001:660:4406:589:9:3::24"
+    },
+    "eth4": {
+      "kavlan-1": "2001:660:4406:581:9:4::24",
+      "kavlan-11": "2001:660:4406:58b:9:4::24",
+      "kavlan-12": "2001:660:4406:58c:9:4::24",
+      "kavlan-13": "2001:660:4406:58d:9:4::24",
+      "kavlan-14": "2001:660:4406:58e:9:4::24",
+      "kavlan-16": "2001:660:4406:590:9:4::24",
+      "kavlan-18": "2001:660:4406:592:9:4::24",
+      "kavlan-2": "2001:660:4406:582:9:4::24",
+      "kavlan-20": "2001:660:4406:594:9:4::24",
+      "kavlan-21": "2001:660:4406:595:9:4::24",
+      "kavlan-3": "2001:660:4406:583:9:4::24",
+      "kavlan-4": "2001:660:4406:584:9:4::24",
+      "kavlan-5": "2001:660:4406:585:9:4::24",
+      "kavlan-6": "2001:660:4406:586:9:4::24",
+      "kavlan-7": "2001:660:4406:587:9:4::24",
+      "kavlan-8": "2001:660:4406:588:9:4::24",
+      "kavlan-9": "2001:660:4406:589:9:4::24"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -150,6 +247,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:1::24",
       "kavlan": true,
       "mac": "24:6e:96:03:11:72",
       "management": false,
@@ -170,6 +268,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:2::24",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4e:c0",
       "management": false,
@@ -190,6 +289,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:3::24",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4e:c2",
       "management": false,
@@ -210,6 +310,7 @@
       "enabled": true,
       "firmware_version": "1.67, 0x80000fab, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:4::24",
       "kavlan": true,
       "mac": "24:6e:96:03:11:74",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-37.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-37.json
index d888443650bdd9b53f352b1fcfafaedd845ff404..9157524f436a66a1c6284aebbdeac22bba6b8e32 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-37.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-37.json
@@ -114,6 +114,103 @@
       "kavlan-9": "10.17.73.137"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:9::25",
+      "kavlan-11": "2001:660:4406:58b:9::25",
+      "kavlan-12": "2001:660:4406:58c:9::25",
+      "kavlan-13": "2001:660:4406:58d:9::25",
+      "kavlan-14": "2001:660:4406:58e:9::25",
+      "kavlan-16": "2001:660:4406:590:9::25",
+      "kavlan-18": "2001:660:4406:592:9::25",
+      "kavlan-2": "2001:660:4406:582:9::25",
+      "kavlan-20": "2001:660:4406:594:9::25",
+      "kavlan-21": "2001:660:4406:595:9::25",
+      "kavlan-3": "2001:660:4406:583:9::25",
+      "kavlan-4": "2001:660:4406:584:9::25",
+      "kavlan-5": "2001:660:4406:585:9::25",
+      "kavlan-6": "2001:660:4406:586:9::25",
+      "kavlan-7": "2001:660:4406:587:9::25",
+      "kavlan-8": "2001:660:4406:588:9::25",
+      "kavlan-9": "2001:660:4406:589:9::25"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:9:1::25",
+      "kavlan-11": "2001:660:4406:58b:9:1::25",
+      "kavlan-12": "2001:660:4406:58c:9:1::25",
+      "kavlan-13": "2001:660:4406:58d:9:1::25",
+      "kavlan-14": "2001:660:4406:58e:9:1::25",
+      "kavlan-16": "2001:660:4406:590:9:1::25",
+      "kavlan-18": "2001:660:4406:592:9:1::25",
+      "kavlan-2": "2001:660:4406:582:9:1::25",
+      "kavlan-20": "2001:660:4406:594:9:1::25",
+      "kavlan-21": "2001:660:4406:595:9:1::25",
+      "kavlan-3": "2001:660:4406:583:9:1::25",
+      "kavlan-4": "2001:660:4406:584:9:1::25",
+      "kavlan-5": "2001:660:4406:585:9:1::25",
+      "kavlan-6": "2001:660:4406:586:9:1::25",
+      "kavlan-7": "2001:660:4406:587:9:1::25",
+      "kavlan-8": "2001:660:4406:588:9:1::25",
+      "kavlan-9": "2001:660:4406:589:9:1::25"
+    },
+    "eth2": {
+      "kavlan-1": "2001:660:4406:581:9:2::25",
+      "kavlan-11": "2001:660:4406:58b:9:2::25",
+      "kavlan-12": "2001:660:4406:58c:9:2::25",
+      "kavlan-13": "2001:660:4406:58d:9:2::25",
+      "kavlan-14": "2001:660:4406:58e:9:2::25",
+      "kavlan-16": "2001:660:4406:590:9:2::25",
+      "kavlan-18": "2001:660:4406:592:9:2::25",
+      "kavlan-2": "2001:660:4406:582:9:2::25",
+      "kavlan-20": "2001:660:4406:594:9:2::25",
+      "kavlan-21": "2001:660:4406:595:9:2::25",
+      "kavlan-3": "2001:660:4406:583:9:2::25",
+      "kavlan-4": "2001:660:4406:584:9:2::25",
+      "kavlan-5": "2001:660:4406:585:9:2::25",
+      "kavlan-6": "2001:660:4406:586:9:2::25",
+      "kavlan-7": "2001:660:4406:587:9:2::25",
+      "kavlan-8": "2001:660:4406:588:9:2::25",
+      "kavlan-9": "2001:660:4406:589:9:2::25"
+    },
+    "eth3": {
+      "kavlan-1": "2001:660:4406:581:9:3::25",
+      "kavlan-11": "2001:660:4406:58b:9:3::25",
+      "kavlan-12": "2001:660:4406:58c:9:3::25",
+      "kavlan-13": "2001:660:4406:58d:9:3::25",
+      "kavlan-14": "2001:660:4406:58e:9:3::25",
+      "kavlan-16": "2001:660:4406:590:9:3::25",
+      "kavlan-18": "2001:660:4406:592:9:3::25",
+      "kavlan-2": "2001:660:4406:582:9:3::25",
+      "kavlan-20": "2001:660:4406:594:9:3::25",
+      "kavlan-21": "2001:660:4406:595:9:3::25",
+      "kavlan-3": "2001:660:4406:583:9:3::25",
+      "kavlan-4": "2001:660:4406:584:9:3::25",
+      "kavlan-5": "2001:660:4406:585:9:3::25",
+      "kavlan-6": "2001:660:4406:586:9:3::25",
+      "kavlan-7": "2001:660:4406:587:9:3::25",
+      "kavlan-8": "2001:660:4406:588:9:3::25",
+      "kavlan-9": "2001:660:4406:589:9:3::25"
+    },
+    "eth4": {
+      "kavlan-1": "2001:660:4406:581:9:4::25",
+      "kavlan-11": "2001:660:4406:58b:9:4::25",
+      "kavlan-12": "2001:660:4406:58c:9:4::25",
+      "kavlan-13": "2001:660:4406:58d:9:4::25",
+      "kavlan-14": "2001:660:4406:58e:9:4::25",
+      "kavlan-16": "2001:660:4406:590:9:4::25",
+      "kavlan-18": "2001:660:4406:592:9:4::25",
+      "kavlan-2": "2001:660:4406:582:9:4::25",
+      "kavlan-20": "2001:660:4406:594:9:4::25",
+      "kavlan-21": "2001:660:4406:595:9:4::25",
+      "kavlan-3": "2001:660:4406:583:9:4::25",
+      "kavlan-4": "2001:660:4406:584:9:4::25",
+      "kavlan-5": "2001:660:4406:585:9:4::25",
+      "kavlan-6": "2001:660:4406:586:9:4::25",
+      "kavlan-7": "2001:660:4406:587:9:4::25",
+      "kavlan-8": "2001:660:4406:588:9:4::25",
+      "kavlan-9": "2001:660:4406:589:9:4::25"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -150,6 +247,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:1::25",
       "kavlan": true,
       "mac": "24:6e:96:03:23:2a",
       "management": false,
@@ -170,6 +268,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:2::25",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4e:60",
       "management": false,
@@ -190,6 +289,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:3::25",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4e:62",
       "management": false,
@@ -210,6 +310,7 @@
       "enabled": true,
       "firmware_version": "1.67, 0x80000fab, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:4::25",
       "kavlan": true,
       "mac": "24:6e:96:03:23:2c",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-38.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-38.json
index 912fa1e384d32254eb63aa0b04c26b9fcd9f8291..611520c7a3abc9c35cd2abede57c9ea1c2b1541e 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-38.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-38.json
@@ -114,6 +114,103 @@
       "kavlan-9": "10.17.73.138"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:9::26",
+      "kavlan-11": "2001:660:4406:58b:9::26",
+      "kavlan-12": "2001:660:4406:58c:9::26",
+      "kavlan-13": "2001:660:4406:58d:9::26",
+      "kavlan-14": "2001:660:4406:58e:9::26",
+      "kavlan-16": "2001:660:4406:590:9::26",
+      "kavlan-18": "2001:660:4406:592:9::26",
+      "kavlan-2": "2001:660:4406:582:9::26",
+      "kavlan-20": "2001:660:4406:594:9::26",
+      "kavlan-21": "2001:660:4406:595:9::26",
+      "kavlan-3": "2001:660:4406:583:9::26",
+      "kavlan-4": "2001:660:4406:584:9::26",
+      "kavlan-5": "2001:660:4406:585:9::26",
+      "kavlan-6": "2001:660:4406:586:9::26",
+      "kavlan-7": "2001:660:4406:587:9::26",
+      "kavlan-8": "2001:660:4406:588:9::26",
+      "kavlan-9": "2001:660:4406:589:9::26"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:9:1::26",
+      "kavlan-11": "2001:660:4406:58b:9:1::26",
+      "kavlan-12": "2001:660:4406:58c:9:1::26",
+      "kavlan-13": "2001:660:4406:58d:9:1::26",
+      "kavlan-14": "2001:660:4406:58e:9:1::26",
+      "kavlan-16": "2001:660:4406:590:9:1::26",
+      "kavlan-18": "2001:660:4406:592:9:1::26",
+      "kavlan-2": "2001:660:4406:582:9:1::26",
+      "kavlan-20": "2001:660:4406:594:9:1::26",
+      "kavlan-21": "2001:660:4406:595:9:1::26",
+      "kavlan-3": "2001:660:4406:583:9:1::26",
+      "kavlan-4": "2001:660:4406:584:9:1::26",
+      "kavlan-5": "2001:660:4406:585:9:1::26",
+      "kavlan-6": "2001:660:4406:586:9:1::26",
+      "kavlan-7": "2001:660:4406:587:9:1::26",
+      "kavlan-8": "2001:660:4406:588:9:1::26",
+      "kavlan-9": "2001:660:4406:589:9:1::26"
+    },
+    "eth2": {
+      "kavlan-1": "2001:660:4406:581:9:2::26",
+      "kavlan-11": "2001:660:4406:58b:9:2::26",
+      "kavlan-12": "2001:660:4406:58c:9:2::26",
+      "kavlan-13": "2001:660:4406:58d:9:2::26",
+      "kavlan-14": "2001:660:4406:58e:9:2::26",
+      "kavlan-16": "2001:660:4406:590:9:2::26",
+      "kavlan-18": "2001:660:4406:592:9:2::26",
+      "kavlan-2": "2001:660:4406:582:9:2::26",
+      "kavlan-20": "2001:660:4406:594:9:2::26",
+      "kavlan-21": "2001:660:4406:595:9:2::26",
+      "kavlan-3": "2001:660:4406:583:9:2::26",
+      "kavlan-4": "2001:660:4406:584:9:2::26",
+      "kavlan-5": "2001:660:4406:585:9:2::26",
+      "kavlan-6": "2001:660:4406:586:9:2::26",
+      "kavlan-7": "2001:660:4406:587:9:2::26",
+      "kavlan-8": "2001:660:4406:588:9:2::26",
+      "kavlan-9": "2001:660:4406:589:9:2::26"
+    },
+    "eth3": {
+      "kavlan-1": "2001:660:4406:581:9:3::26",
+      "kavlan-11": "2001:660:4406:58b:9:3::26",
+      "kavlan-12": "2001:660:4406:58c:9:3::26",
+      "kavlan-13": "2001:660:4406:58d:9:3::26",
+      "kavlan-14": "2001:660:4406:58e:9:3::26",
+      "kavlan-16": "2001:660:4406:590:9:3::26",
+      "kavlan-18": "2001:660:4406:592:9:3::26",
+      "kavlan-2": "2001:660:4406:582:9:3::26",
+      "kavlan-20": "2001:660:4406:594:9:3::26",
+      "kavlan-21": "2001:660:4406:595:9:3::26",
+      "kavlan-3": "2001:660:4406:583:9:3::26",
+      "kavlan-4": "2001:660:4406:584:9:3::26",
+      "kavlan-5": "2001:660:4406:585:9:3::26",
+      "kavlan-6": "2001:660:4406:586:9:3::26",
+      "kavlan-7": "2001:660:4406:587:9:3::26",
+      "kavlan-8": "2001:660:4406:588:9:3::26",
+      "kavlan-9": "2001:660:4406:589:9:3::26"
+    },
+    "eth4": {
+      "kavlan-1": "2001:660:4406:581:9:4::26",
+      "kavlan-11": "2001:660:4406:58b:9:4::26",
+      "kavlan-12": "2001:660:4406:58c:9:4::26",
+      "kavlan-13": "2001:660:4406:58d:9:4::26",
+      "kavlan-14": "2001:660:4406:58e:9:4::26",
+      "kavlan-16": "2001:660:4406:590:9:4::26",
+      "kavlan-18": "2001:660:4406:592:9:4::26",
+      "kavlan-2": "2001:660:4406:582:9:4::26",
+      "kavlan-20": "2001:660:4406:594:9:4::26",
+      "kavlan-21": "2001:660:4406:595:9:4::26",
+      "kavlan-3": "2001:660:4406:583:9:4::26",
+      "kavlan-4": "2001:660:4406:584:9:4::26",
+      "kavlan-5": "2001:660:4406:585:9:4::26",
+      "kavlan-6": "2001:660:4406:586:9:4::26",
+      "kavlan-7": "2001:660:4406:587:9:4::26",
+      "kavlan-8": "2001:660:4406:588:9:4::26",
+      "kavlan-9": "2001:660:4406:589:9:4::26"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -150,6 +247,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:1::26",
       "kavlan": true,
       "mac": "24:6e:96:03:0c:02",
       "management": false,
@@ -170,6 +268,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:2::26",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4e:74",
       "management": false,
@@ -190,6 +289,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:3::26",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4e:76",
       "management": false,
@@ -210,6 +310,7 @@
       "enabled": true,
       "firmware_version": "1.67, 0x80000fab, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:4::26",
       "kavlan": true,
       "mac": "24:6e:96:03:0c:04",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-39.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-39.json
index e48596ccdec584391f051f042db94bcbcf41eb79..1ec346205001c2e8a9f0c4e8906a11fc9e992c20 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-39.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-39.json
@@ -114,6 +114,103 @@
       "kavlan-9": "10.17.73.139"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:9::27",
+      "kavlan-11": "2001:660:4406:58b:9::27",
+      "kavlan-12": "2001:660:4406:58c:9::27",
+      "kavlan-13": "2001:660:4406:58d:9::27",
+      "kavlan-14": "2001:660:4406:58e:9::27",
+      "kavlan-16": "2001:660:4406:590:9::27",
+      "kavlan-18": "2001:660:4406:592:9::27",
+      "kavlan-2": "2001:660:4406:582:9::27",
+      "kavlan-20": "2001:660:4406:594:9::27",
+      "kavlan-21": "2001:660:4406:595:9::27",
+      "kavlan-3": "2001:660:4406:583:9::27",
+      "kavlan-4": "2001:660:4406:584:9::27",
+      "kavlan-5": "2001:660:4406:585:9::27",
+      "kavlan-6": "2001:660:4406:586:9::27",
+      "kavlan-7": "2001:660:4406:587:9::27",
+      "kavlan-8": "2001:660:4406:588:9::27",
+      "kavlan-9": "2001:660:4406:589:9::27"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:9:1::27",
+      "kavlan-11": "2001:660:4406:58b:9:1::27",
+      "kavlan-12": "2001:660:4406:58c:9:1::27",
+      "kavlan-13": "2001:660:4406:58d:9:1::27",
+      "kavlan-14": "2001:660:4406:58e:9:1::27",
+      "kavlan-16": "2001:660:4406:590:9:1::27",
+      "kavlan-18": "2001:660:4406:592:9:1::27",
+      "kavlan-2": "2001:660:4406:582:9:1::27",
+      "kavlan-20": "2001:660:4406:594:9:1::27",
+      "kavlan-21": "2001:660:4406:595:9:1::27",
+      "kavlan-3": "2001:660:4406:583:9:1::27",
+      "kavlan-4": "2001:660:4406:584:9:1::27",
+      "kavlan-5": "2001:660:4406:585:9:1::27",
+      "kavlan-6": "2001:660:4406:586:9:1::27",
+      "kavlan-7": "2001:660:4406:587:9:1::27",
+      "kavlan-8": "2001:660:4406:588:9:1::27",
+      "kavlan-9": "2001:660:4406:589:9:1::27"
+    },
+    "eth2": {
+      "kavlan-1": "2001:660:4406:581:9:2::27",
+      "kavlan-11": "2001:660:4406:58b:9:2::27",
+      "kavlan-12": "2001:660:4406:58c:9:2::27",
+      "kavlan-13": "2001:660:4406:58d:9:2::27",
+      "kavlan-14": "2001:660:4406:58e:9:2::27",
+      "kavlan-16": "2001:660:4406:590:9:2::27",
+      "kavlan-18": "2001:660:4406:592:9:2::27",
+      "kavlan-2": "2001:660:4406:582:9:2::27",
+      "kavlan-20": "2001:660:4406:594:9:2::27",
+      "kavlan-21": "2001:660:4406:595:9:2::27",
+      "kavlan-3": "2001:660:4406:583:9:2::27",
+      "kavlan-4": "2001:660:4406:584:9:2::27",
+      "kavlan-5": "2001:660:4406:585:9:2::27",
+      "kavlan-6": "2001:660:4406:586:9:2::27",
+      "kavlan-7": "2001:660:4406:587:9:2::27",
+      "kavlan-8": "2001:660:4406:588:9:2::27",
+      "kavlan-9": "2001:660:4406:589:9:2::27"
+    },
+    "eth3": {
+      "kavlan-1": "2001:660:4406:581:9:3::27",
+      "kavlan-11": "2001:660:4406:58b:9:3::27",
+      "kavlan-12": "2001:660:4406:58c:9:3::27",
+      "kavlan-13": "2001:660:4406:58d:9:3::27",
+      "kavlan-14": "2001:660:4406:58e:9:3::27",
+      "kavlan-16": "2001:660:4406:590:9:3::27",
+      "kavlan-18": "2001:660:4406:592:9:3::27",
+      "kavlan-2": "2001:660:4406:582:9:3::27",
+      "kavlan-20": "2001:660:4406:594:9:3::27",
+      "kavlan-21": "2001:660:4406:595:9:3::27",
+      "kavlan-3": "2001:660:4406:583:9:3::27",
+      "kavlan-4": "2001:660:4406:584:9:3::27",
+      "kavlan-5": "2001:660:4406:585:9:3::27",
+      "kavlan-6": "2001:660:4406:586:9:3::27",
+      "kavlan-7": "2001:660:4406:587:9:3::27",
+      "kavlan-8": "2001:660:4406:588:9:3::27",
+      "kavlan-9": "2001:660:4406:589:9:3::27"
+    },
+    "eth4": {
+      "kavlan-1": "2001:660:4406:581:9:4::27",
+      "kavlan-11": "2001:660:4406:58b:9:4::27",
+      "kavlan-12": "2001:660:4406:58c:9:4::27",
+      "kavlan-13": "2001:660:4406:58d:9:4::27",
+      "kavlan-14": "2001:660:4406:58e:9:4::27",
+      "kavlan-16": "2001:660:4406:590:9:4::27",
+      "kavlan-18": "2001:660:4406:592:9:4::27",
+      "kavlan-2": "2001:660:4406:582:9:4::27",
+      "kavlan-20": "2001:660:4406:594:9:4::27",
+      "kavlan-21": "2001:660:4406:595:9:4::27",
+      "kavlan-3": "2001:660:4406:583:9:4::27",
+      "kavlan-4": "2001:660:4406:584:9:4::27",
+      "kavlan-5": "2001:660:4406:585:9:4::27",
+      "kavlan-6": "2001:660:4406:586:9:4::27",
+      "kavlan-7": "2001:660:4406:587:9:4::27",
+      "kavlan-8": "2001:660:4406:588:9:4::27",
+      "kavlan-9": "2001:660:4406:589:9:4::27"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -150,6 +247,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:1::27",
       "kavlan": true,
       "mac": "24:6e:96:03:09:c2",
       "management": false,
@@ -170,6 +268,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:2::27",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4c:08",
       "management": false,
@@ -190,6 +289,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:3::27",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4c:0a",
       "management": false,
@@ -210,6 +310,7 @@
       "enabled": true,
       "firmware_version": "1.67, 0x80000fab, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:4::27",
       "kavlan": true,
       "mac": "24:6e:96:03:09:c4",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-4.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-4.json
index a5340b4159d1d49a729702d7b750617d58d05e20..beb83e40247c68bd0f0815e620ca49c6ab46a886 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-4.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-4.json
@@ -114,6 +114,103 @@
       "kavlan-9": "10.17.73.104"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:9::4",
+      "kavlan-11": "2001:660:4406:58b:9::4",
+      "kavlan-12": "2001:660:4406:58c:9::4",
+      "kavlan-13": "2001:660:4406:58d:9::4",
+      "kavlan-14": "2001:660:4406:58e:9::4",
+      "kavlan-16": "2001:660:4406:590:9::4",
+      "kavlan-18": "2001:660:4406:592:9::4",
+      "kavlan-2": "2001:660:4406:582:9::4",
+      "kavlan-20": "2001:660:4406:594:9::4",
+      "kavlan-21": "2001:660:4406:595:9::4",
+      "kavlan-3": "2001:660:4406:583:9::4",
+      "kavlan-4": "2001:660:4406:584:9::4",
+      "kavlan-5": "2001:660:4406:585:9::4",
+      "kavlan-6": "2001:660:4406:586:9::4",
+      "kavlan-7": "2001:660:4406:587:9::4",
+      "kavlan-8": "2001:660:4406:588:9::4",
+      "kavlan-9": "2001:660:4406:589:9::4"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:9:1::4",
+      "kavlan-11": "2001:660:4406:58b:9:1::4",
+      "kavlan-12": "2001:660:4406:58c:9:1::4",
+      "kavlan-13": "2001:660:4406:58d:9:1::4",
+      "kavlan-14": "2001:660:4406:58e:9:1::4",
+      "kavlan-16": "2001:660:4406:590:9:1::4",
+      "kavlan-18": "2001:660:4406:592:9:1::4",
+      "kavlan-2": "2001:660:4406:582:9:1::4",
+      "kavlan-20": "2001:660:4406:594:9:1::4",
+      "kavlan-21": "2001:660:4406:595:9:1::4",
+      "kavlan-3": "2001:660:4406:583:9:1::4",
+      "kavlan-4": "2001:660:4406:584:9:1::4",
+      "kavlan-5": "2001:660:4406:585:9:1::4",
+      "kavlan-6": "2001:660:4406:586:9:1::4",
+      "kavlan-7": "2001:660:4406:587:9:1::4",
+      "kavlan-8": "2001:660:4406:588:9:1::4",
+      "kavlan-9": "2001:660:4406:589:9:1::4"
+    },
+    "eth2": {
+      "kavlan-1": "2001:660:4406:581:9:2::4",
+      "kavlan-11": "2001:660:4406:58b:9:2::4",
+      "kavlan-12": "2001:660:4406:58c:9:2::4",
+      "kavlan-13": "2001:660:4406:58d:9:2::4",
+      "kavlan-14": "2001:660:4406:58e:9:2::4",
+      "kavlan-16": "2001:660:4406:590:9:2::4",
+      "kavlan-18": "2001:660:4406:592:9:2::4",
+      "kavlan-2": "2001:660:4406:582:9:2::4",
+      "kavlan-20": "2001:660:4406:594:9:2::4",
+      "kavlan-21": "2001:660:4406:595:9:2::4",
+      "kavlan-3": "2001:660:4406:583:9:2::4",
+      "kavlan-4": "2001:660:4406:584:9:2::4",
+      "kavlan-5": "2001:660:4406:585:9:2::4",
+      "kavlan-6": "2001:660:4406:586:9:2::4",
+      "kavlan-7": "2001:660:4406:587:9:2::4",
+      "kavlan-8": "2001:660:4406:588:9:2::4",
+      "kavlan-9": "2001:660:4406:589:9:2::4"
+    },
+    "eth3": {
+      "kavlan-1": "2001:660:4406:581:9:3::4",
+      "kavlan-11": "2001:660:4406:58b:9:3::4",
+      "kavlan-12": "2001:660:4406:58c:9:3::4",
+      "kavlan-13": "2001:660:4406:58d:9:3::4",
+      "kavlan-14": "2001:660:4406:58e:9:3::4",
+      "kavlan-16": "2001:660:4406:590:9:3::4",
+      "kavlan-18": "2001:660:4406:592:9:3::4",
+      "kavlan-2": "2001:660:4406:582:9:3::4",
+      "kavlan-20": "2001:660:4406:594:9:3::4",
+      "kavlan-21": "2001:660:4406:595:9:3::4",
+      "kavlan-3": "2001:660:4406:583:9:3::4",
+      "kavlan-4": "2001:660:4406:584:9:3::4",
+      "kavlan-5": "2001:660:4406:585:9:3::4",
+      "kavlan-6": "2001:660:4406:586:9:3::4",
+      "kavlan-7": "2001:660:4406:587:9:3::4",
+      "kavlan-8": "2001:660:4406:588:9:3::4",
+      "kavlan-9": "2001:660:4406:589:9:3::4"
+    },
+    "eth4": {
+      "kavlan-1": "2001:660:4406:581:9:4::4",
+      "kavlan-11": "2001:660:4406:58b:9:4::4",
+      "kavlan-12": "2001:660:4406:58c:9:4::4",
+      "kavlan-13": "2001:660:4406:58d:9:4::4",
+      "kavlan-14": "2001:660:4406:58e:9:4::4",
+      "kavlan-16": "2001:660:4406:590:9:4::4",
+      "kavlan-18": "2001:660:4406:592:9:4::4",
+      "kavlan-2": "2001:660:4406:582:9:4::4",
+      "kavlan-20": "2001:660:4406:594:9:4::4",
+      "kavlan-21": "2001:660:4406:595:9:4::4",
+      "kavlan-3": "2001:660:4406:583:9:4::4",
+      "kavlan-4": "2001:660:4406:584:9:4::4",
+      "kavlan-5": "2001:660:4406:585:9:4::4",
+      "kavlan-6": "2001:660:4406:586:9:4::4",
+      "kavlan-7": "2001:660:4406:587:9:4::4",
+      "kavlan-8": "2001:660:4406:588:9:4::4",
+      "kavlan-9": "2001:660:4406:589:9:4::4"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -150,6 +247,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:1::4",
       "kavlan": true,
       "mac": "24:6e:96:03:0d:42",
       "management": false,
@@ -170,6 +268,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:2::4",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4b:bc",
       "management": false,
@@ -190,6 +289,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:3::4",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4b:be",
       "management": false,
@@ -210,6 +310,7 @@
       "enabled": true,
       "firmware_version": "1.67, 0x80000fab, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:4::4",
       "kavlan": true,
       "mac": "24:6e:96:03:0d:44",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-40.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-40.json
index 20679be83264ad62e878b37fe8fa4818bc0a92ff..f52a9e62290441a5ca675420699697c0d19e331e 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-40.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-40.json
@@ -114,6 +114,103 @@
       "kavlan-9": "10.17.73.140"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:9::28",
+      "kavlan-11": "2001:660:4406:58b:9::28",
+      "kavlan-12": "2001:660:4406:58c:9::28",
+      "kavlan-13": "2001:660:4406:58d:9::28",
+      "kavlan-14": "2001:660:4406:58e:9::28",
+      "kavlan-16": "2001:660:4406:590:9::28",
+      "kavlan-18": "2001:660:4406:592:9::28",
+      "kavlan-2": "2001:660:4406:582:9::28",
+      "kavlan-20": "2001:660:4406:594:9::28",
+      "kavlan-21": "2001:660:4406:595:9::28",
+      "kavlan-3": "2001:660:4406:583:9::28",
+      "kavlan-4": "2001:660:4406:584:9::28",
+      "kavlan-5": "2001:660:4406:585:9::28",
+      "kavlan-6": "2001:660:4406:586:9::28",
+      "kavlan-7": "2001:660:4406:587:9::28",
+      "kavlan-8": "2001:660:4406:588:9::28",
+      "kavlan-9": "2001:660:4406:589:9::28"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:9:1::28",
+      "kavlan-11": "2001:660:4406:58b:9:1::28",
+      "kavlan-12": "2001:660:4406:58c:9:1::28",
+      "kavlan-13": "2001:660:4406:58d:9:1::28",
+      "kavlan-14": "2001:660:4406:58e:9:1::28",
+      "kavlan-16": "2001:660:4406:590:9:1::28",
+      "kavlan-18": "2001:660:4406:592:9:1::28",
+      "kavlan-2": "2001:660:4406:582:9:1::28",
+      "kavlan-20": "2001:660:4406:594:9:1::28",
+      "kavlan-21": "2001:660:4406:595:9:1::28",
+      "kavlan-3": "2001:660:4406:583:9:1::28",
+      "kavlan-4": "2001:660:4406:584:9:1::28",
+      "kavlan-5": "2001:660:4406:585:9:1::28",
+      "kavlan-6": "2001:660:4406:586:9:1::28",
+      "kavlan-7": "2001:660:4406:587:9:1::28",
+      "kavlan-8": "2001:660:4406:588:9:1::28",
+      "kavlan-9": "2001:660:4406:589:9:1::28"
+    },
+    "eth2": {
+      "kavlan-1": "2001:660:4406:581:9:2::28",
+      "kavlan-11": "2001:660:4406:58b:9:2::28",
+      "kavlan-12": "2001:660:4406:58c:9:2::28",
+      "kavlan-13": "2001:660:4406:58d:9:2::28",
+      "kavlan-14": "2001:660:4406:58e:9:2::28",
+      "kavlan-16": "2001:660:4406:590:9:2::28",
+      "kavlan-18": "2001:660:4406:592:9:2::28",
+      "kavlan-2": "2001:660:4406:582:9:2::28",
+      "kavlan-20": "2001:660:4406:594:9:2::28",
+      "kavlan-21": "2001:660:4406:595:9:2::28",
+      "kavlan-3": "2001:660:4406:583:9:2::28",
+      "kavlan-4": "2001:660:4406:584:9:2::28",
+      "kavlan-5": "2001:660:4406:585:9:2::28",
+      "kavlan-6": "2001:660:4406:586:9:2::28",
+      "kavlan-7": "2001:660:4406:587:9:2::28",
+      "kavlan-8": "2001:660:4406:588:9:2::28",
+      "kavlan-9": "2001:660:4406:589:9:2::28"
+    },
+    "eth3": {
+      "kavlan-1": "2001:660:4406:581:9:3::28",
+      "kavlan-11": "2001:660:4406:58b:9:3::28",
+      "kavlan-12": "2001:660:4406:58c:9:3::28",
+      "kavlan-13": "2001:660:4406:58d:9:3::28",
+      "kavlan-14": "2001:660:4406:58e:9:3::28",
+      "kavlan-16": "2001:660:4406:590:9:3::28",
+      "kavlan-18": "2001:660:4406:592:9:3::28",
+      "kavlan-2": "2001:660:4406:582:9:3::28",
+      "kavlan-20": "2001:660:4406:594:9:3::28",
+      "kavlan-21": "2001:660:4406:595:9:3::28",
+      "kavlan-3": "2001:660:4406:583:9:3::28",
+      "kavlan-4": "2001:660:4406:584:9:3::28",
+      "kavlan-5": "2001:660:4406:585:9:3::28",
+      "kavlan-6": "2001:660:4406:586:9:3::28",
+      "kavlan-7": "2001:660:4406:587:9:3::28",
+      "kavlan-8": "2001:660:4406:588:9:3::28",
+      "kavlan-9": "2001:660:4406:589:9:3::28"
+    },
+    "eth4": {
+      "kavlan-1": "2001:660:4406:581:9:4::28",
+      "kavlan-11": "2001:660:4406:58b:9:4::28",
+      "kavlan-12": "2001:660:4406:58c:9:4::28",
+      "kavlan-13": "2001:660:4406:58d:9:4::28",
+      "kavlan-14": "2001:660:4406:58e:9:4::28",
+      "kavlan-16": "2001:660:4406:590:9:4::28",
+      "kavlan-18": "2001:660:4406:592:9:4::28",
+      "kavlan-2": "2001:660:4406:582:9:4::28",
+      "kavlan-20": "2001:660:4406:594:9:4::28",
+      "kavlan-21": "2001:660:4406:595:9:4::28",
+      "kavlan-3": "2001:660:4406:583:9:4::28",
+      "kavlan-4": "2001:660:4406:584:9:4::28",
+      "kavlan-5": "2001:660:4406:585:9:4::28",
+      "kavlan-6": "2001:660:4406:586:9:4::28",
+      "kavlan-7": "2001:660:4406:587:9:4::28",
+      "kavlan-8": "2001:660:4406:588:9:4::28",
+      "kavlan-9": "2001:660:4406:589:9:4::28"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -150,6 +247,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:1::28",
       "kavlan": true,
       "mac": "24:6e:96:03:21:5a",
       "management": false,
@@ -170,6 +268,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:2::28",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4a:fc",
       "management": false,
@@ -190,6 +289,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:3::28",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4a:fe",
       "management": false,
@@ -210,6 +310,7 @@
       "enabled": true,
       "firmware_version": "1.67, 0x80000fab, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:4::28",
       "kavlan": true,
       "mac": "24:6e:96:03:21:5c",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-41.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-41.json
index c3692850582e3407b07b76643aaf1f985d99919e..2cf3fe4a71f358f4b8848647afff5d0be6264960 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-41.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-41.json
@@ -114,6 +114,103 @@
       "kavlan-9": "10.17.73.141"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:9::29",
+      "kavlan-11": "2001:660:4406:58b:9::29",
+      "kavlan-12": "2001:660:4406:58c:9::29",
+      "kavlan-13": "2001:660:4406:58d:9::29",
+      "kavlan-14": "2001:660:4406:58e:9::29",
+      "kavlan-16": "2001:660:4406:590:9::29",
+      "kavlan-18": "2001:660:4406:592:9::29",
+      "kavlan-2": "2001:660:4406:582:9::29",
+      "kavlan-20": "2001:660:4406:594:9::29",
+      "kavlan-21": "2001:660:4406:595:9::29",
+      "kavlan-3": "2001:660:4406:583:9::29",
+      "kavlan-4": "2001:660:4406:584:9::29",
+      "kavlan-5": "2001:660:4406:585:9::29",
+      "kavlan-6": "2001:660:4406:586:9::29",
+      "kavlan-7": "2001:660:4406:587:9::29",
+      "kavlan-8": "2001:660:4406:588:9::29",
+      "kavlan-9": "2001:660:4406:589:9::29"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:9:1::29",
+      "kavlan-11": "2001:660:4406:58b:9:1::29",
+      "kavlan-12": "2001:660:4406:58c:9:1::29",
+      "kavlan-13": "2001:660:4406:58d:9:1::29",
+      "kavlan-14": "2001:660:4406:58e:9:1::29",
+      "kavlan-16": "2001:660:4406:590:9:1::29",
+      "kavlan-18": "2001:660:4406:592:9:1::29",
+      "kavlan-2": "2001:660:4406:582:9:1::29",
+      "kavlan-20": "2001:660:4406:594:9:1::29",
+      "kavlan-21": "2001:660:4406:595:9:1::29",
+      "kavlan-3": "2001:660:4406:583:9:1::29",
+      "kavlan-4": "2001:660:4406:584:9:1::29",
+      "kavlan-5": "2001:660:4406:585:9:1::29",
+      "kavlan-6": "2001:660:4406:586:9:1::29",
+      "kavlan-7": "2001:660:4406:587:9:1::29",
+      "kavlan-8": "2001:660:4406:588:9:1::29",
+      "kavlan-9": "2001:660:4406:589:9:1::29"
+    },
+    "eth2": {
+      "kavlan-1": "2001:660:4406:581:9:2::29",
+      "kavlan-11": "2001:660:4406:58b:9:2::29",
+      "kavlan-12": "2001:660:4406:58c:9:2::29",
+      "kavlan-13": "2001:660:4406:58d:9:2::29",
+      "kavlan-14": "2001:660:4406:58e:9:2::29",
+      "kavlan-16": "2001:660:4406:590:9:2::29",
+      "kavlan-18": "2001:660:4406:592:9:2::29",
+      "kavlan-2": "2001:660:4406:582:9:2::29",
+      "kavlan-20": "2001:660:4406:594:9:2::29",
+      "kavlan-21": "2001:660:4406:595:9:2::29",
+      "kavlan-3": "2001:660:4406:583:9:2::29",
+      "kavlan-4": "2001:660:4406:584:9:2::29",
+      "kavlan-5": "2001:660:4406:585:9:2::29",
+      "kavlan-6": "2001:660:4406:586:9:2::29",
+      "kavlan-7": "2001:660:4406:587:9:2::29",
+      "kavlan-8": "2001:660:4406:588:9:2::29",
+      "kavlan-9": "2001:660:4406:589:9:2::29"
+    },
+    "eth3": {
+      "kavlan-1": "2001:660:4406:581:9:3::29",
+      "kavlan-11": "2001:660:4406:58b:9:3::29",
+      "kavlan-12": "2001:660:4406:58c:9:3::29",
+      "kavlan-13": "2001:660:4406:58d:9:3::29",
+      "kavlan-14": "2001:660:4406:58e:9:3::29",
+      "kavlan-16": "2001:660:4406:590:9:3::29",
+      "kavlan-18": "2001:660:4406:592:9:3::29",
+      "kavlan-2": "2001:660:4406:582:9:3::29",
+      "kavlan-20": "2001:660:4406:594:9:3::29",
+      "kavlan-21": "2001:660:4406:595:9:3::29",
+      "kavlan-3": "2001:660:4406:583:9:3::29",
+      "kavlan-4": "2001:660:4406:584:9:3::29",
+      "kavlan-5": "2001:660:4406:585:9:3::29",
+      "kavlan-6": "2001:660:4406:586:9:3::29",
+      "kavlan-7": "2001:660:4406:587:9:3::29",
+      "kavlan-8": "2001:660:4406:588:9:3::29",
+      "kavlan-9": "2001:660:4406:589:9:3::29"
+    },
+    "eth4": {
+      "kavlan-1": "2001:660:4406:581:9:4::29",
+      "kavlan-11": "2001:660:4406:58b:9:4::29",
+      "kavlan-12": "2001:660:4406:58c:9:4::29",
+      "kavlan-13": "2001:660:4406:58d:9:4::29",
+      "kavlan-14": "2001:660:4406:58e:9:4::29",
+      "kavlan-16": "2001:660:4406:590:9:4::29",
+      "kavlan-18": "2001:660:4406:592:9:4::29",
+      "kavlan-2": "2001:660:4406:582:9:4::29",
+      "kavlan-20": "2001:660:4406:594:9:4::29",
+      "kavlan-21": "2001:660:4406:595:9:4::29",
+      "kavlan-3": "2001:660:4406:583:9:4::29",
+      "kavlan-4": "2001:660:4406:584:9:4::29",
+      "kavlan-5": "2001:660:4406:585:9:4::29",
+      "kavlan-6": "2001:660:4406:586:9:4::29",
+      "kavlan-7": "2001:660:4406:587:9:4::29",
+      "kavlan-8": "2001:660:4406:588:9:4::29",
+      "kavlan-9": "2001:660:4406:589:9:4::29"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -150,6 +247,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:1::29",
       "kavlan": true,
       "mac": "24:6e:96:03:11:fa",
       "management": false,
@@ -170,6 +268,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:2::29",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4b:7c",
       "management": false,
@@ -190,6 +289,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:3::29",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4b:7e",
       "management": false,
@@ -210,6 +310,7 @@
       "enabled": true,
       "firmware_version": "1.67, 0x80000fab, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:4::29",
       "kavlan": true,
       "mac": "24:6e:96:03:11:fc",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-42.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-42.json
index da0edd0ee001354fb0f56b6831930843968e3d97..1816c6a2d5e3025dc3019dd8ca538fa099655a7b 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-42.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-42.json
@@ -114,6 +114,103 @@
       "kavlan-9": "10.17.73.142"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:9::2a",
+      "kavlan-11": "2001:660:4406:58b:9::2a",
+      "kavlan-12": "2001:660:4406:58c:9::2a",
+      "kavlan-13": "2001:660:4406:58d:9::2a",
+      "kavlan-14": "2001:660:4406:58e:9::2a",
+      "kavlan-16": "2001:660:4406:590:9::2a",
+      "kavlan-18": "2001:660:4406:592:9::2a",
+      "kavlan-2": "2001:660:4406:582:9::2a",
+      "kavlan-20": "2001:660:4406:594:9::2a",
+      "kavlan-21": "2001:660:4406:595:9::2a",
+      "kavlan-3": "2001:660:4406:583:9::2a",
+      "kavlan-4": "2001:660:4406:584:9::2a",
+      "kavlan-5": "2001:660:4406:585:9::2a",
+      "kavlan-6": "2001:660:4406:586:9::2a",
+      "kavlan-7": "2001:660:4406:587:9::2a",
+      "kavlan-8": "2001:660:4406:588:9::2a",
+      "kavlan-9": "2001:660:4406:589:9::2a"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:9:1::2a",
+      "kavlan-11": "2001:660:4406:58b:9:1::2a",
+      "kavlan-12": "2001:660:4406:58c:9:1::2a",
+      "kavlan-13": "2001:660:4406:58d:9:1::2a",
+      "kavlan-14": "2001:660:4406:58e:9:1::2a",
+      "kavlan-16": "2001:660:4406:590:9:1::2a",
+      "kavlan-18": "2001:660:4406:592:9:1::2a",
+      "kavlan-2": "2001:660:4406:582:9:1::2a",
+      "kavlan-20": "2001:660:4406:594:9:1::2a",
+      "kavlan-21": "2001:660:4406:595:9:1::2a",
+      "kavlan-3": "2001:660:4406:583:9:1::2a",
+      "kavlan-4": "2001:660:4406:584:9:1::2a",
+      "kavlan-5": "2001:660:4406:585:9:1::2a",
+      "kavlan-6": "2001:660:4406:586:9:1::2a",
+      "kavlan-7": "2001:660:4406:587:9:1::2a",
+      "kavlan-8": "2001:660:4406:588:9:1::2a",
+      "kavlan-9": "2001:660:4406:589:9:1::2a"
+    },
+    "eth2": {
+      "kavlan-1": "2001:660:4406:581:9:2::2a",
+      "kavlan-11": "2001:660:4406:58b:9:2::2a",
+      "kavlan-12": "2001:660:4406:58c:9:2::2a",
+      "kavlan-13": "2001:660:4406:58d:9:2::2a",
+      "kavlan-14": "2001:660:4406:58e:9:2::2a",
+      "kavlan-16": "2001:660:4406:590:9:2::2a",
+      "kavlan-18": "2001:660:4406:592:9:2::2a",
+      "kavlan-2": "2001:660:4406:582:9:2::2a",
+      "kavlan-20": "2001:660:4406:594:9:2::2a",
+      "kavlan-21": "2001:660:4406:595:9:2::2a",
+      "kavlan-3": "2001:660:4406:583:9:2::2a",
+      "kavlan-4": "2001:660:4406:584:9:2::2a",
+      "kavlan-5": "2001:660:4406:585:9:2::2a",
+      "kavlan-6": "2001:660:4406:586:9:2::2a",
+      "kavlan-7": "2001:660:4406:587:9:2::2a",
+      "kavlan-8": "2001:660:4406:588:9:2::2a",
+      "kavlan-9": "2001:660:4406:589:9:2::2a"
+    },
+    "eth3": {
+      "kavlan-1": "2001:660:4406:581:9:3::2a",
+      "kavlan-11": "2001:660:4406:58b:9:3::2a",
+      "kavlan-12": "2001:660:4406:58c:9:3::2a",
+      "kavlan-13": "2001:660:4406:58d:9:3::2a",
+      "kavlan-14": "2001:660:4406:58e:9:3::2a",
+      "kavlan-16": "2001:660:4406:590:9:3::2a",
+      "kavlan-18": "2001:660:4406:592:9:3::2a",
+      "kavlan-2": "2001:660:4406:582:9:3::2a",
+      "kavlan-20": "2001:660:4406:594:9:3::2a",
+      "kavlan-21": "2001:660:4406:595:9:3::2a",
+      "kavlan-3": "2001:660:4406:583:9:3::2a",
+      "kavlan-4": "2001:660:4406:584:9:3::2a",
+      "kavlan-5": "2001:660:4406:585:9:3::2a",
+      "kavlan-6": "2001:660:4406:586:9:3::2a",
+      "kavlan-7": "2001:660:4406:587:9:3::2a",
+      "kavlan-8": "2001:660:4406:588:9:3::2a",
+      "kavlan-9": "2001:660:4406:589:9:3::2a"
+    },
+    "eth4": {
+      "kavlan-1": "2001:660:4406:581:9:4::2a",
+      "kavlan-11": "2001:660:4406:58b:9:4::2a",
+      "kavlan-12": "2001:660:4406:58c:9:4::2a",
+      "kavlan-13": "2001:660:4406:58d:9:4::2a",
+      "kavlan-14": "2001:660:4406:58e:9:4::2a",
+      "kavlan-16": "2001:660:4406:590:9:4::2a",
+      "kavlan-18": "2001:660:4406:592:9:4::2a",
+      "kavlan-2": "2001:660:4406:582:9:4::2a",
+      "kavlan-20": "2001:660:4406:594:9:4::2a",
+      "kavlan-21": "2001:660:4406:595:9:4::2a",
+      "kavlan-3": "2001:660:4406:583:9:4::2a",
+      "kavlan-4": "2001:660:4406:584:9:4::2a",
+      "kavlan-5": "2001:660:4406:585:9:4::2a",
+      "kavlan-6": "2001:660:4406:586:9:4::2a",
+      "kavlan-7": "2001:660:4406:587:9:4::2a",
+      "kavlan-8": "2001:660:4406:588:9:4::2a",
+      "kavlan-9": "2001:660:4406:589:9:4::2a"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -150,6 +247,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:1::2a",
       "kavlan": true,
       "mac": "e4:43:4b:1f:c2:fa",
       "management": false,
@@ -170,6 +268,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:2::2a",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4b:4c",
       "management": false,
@@ -190,6 +289,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:3::2a",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4b:4e",
       "management": false,
@@ -210,6 +310,7 @@
       "enabled": true,
       "firmware_version": "1.67, 0x80000fab, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:4::2a",
       "kavlan": true,
       "mac": "e4:43:4b:1f:c2:fc",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-43.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-43.json
index 72e458e90bb5e5ea150e6b83c7e91896819aa3b1..3c9dadd96acaba108c65fba3f764b22d2ba55951 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-43.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-43.json
@@ -114,6 +114,103 @@
       "kavlan-9": "10.17.73.143"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:9::2b",
+      "kavlan-11": "2001:660:4406:58b:9::2b",
+      "kavlan-12": "2001:660:4406:58c:9::2b",
+      "kavlan-13": "2001:660:4406:58d:9::2b",
+      "kavlan-14": "2001:660:4406:58e:9::2b",
+      "kavlan-16": "2001:660:4406:590:9::2b",
+      "kavlan-18": "2001:660:4406:592:9::2b",
+      "kavlan-2": "2001:660:4406:582:9::2b",
+      "kavlan-20": "2001:660:4406:594:9::2b",
+      "kavlan-21": "2001:660:4406:595:9::2b",
+      "kavlan-3": "2001:660:4406:583:9::2b",
+      "kavlan-4": "2001:660:4406:584:9::2b",
+      "kavlan-5": "2001:660:4406:585:9::2b",
+      "kavlan-6": "2001:660:4406:586:9::2b",
+      "kavlan-7": "2001:660:4406:587:9::2b",
+      "kavlan-8": "2001:660:4406:588:9::2b",
+      "kavlan-9": "2001:660:4406:589:9::2b"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:9:1::2b",
+      "kavlan-11": "2001:660:4406:58b:9:1::2b",
+      "kavlan-12": "2001:660:4406:58c:9:1::2b",
+      "kavlan-13": "2001:660:4406:58d:9:1::2b",
+      "kavlan-14": "2001:660:4406:58e:9:1::2b",
+      "kavlan-16": "2001:660:4406:590:9:1::2b",
+      "kavlan-18": "2001:660:4406:592:9:1::2b",
+      "kavlan-2": "2001:660:4406:582:9:1::2b",
+      "kavlan-20": "2001:660:4406:594:9:1::2b",
+      "kavlan-21": "2001:660:4406:595:9:1::2b",
+      "kavlan-3": "2001:660:4406:583:9:1::2b",
+      "kavlan-4": "2001:660:4406:584:9:1::2b",
+      "kavlan-5": "2001:660:4406:585:9:1::2b",
+      "kavlan-6": "2001:660:4406:586:9:1::2b",
+      "kavlan-7": "2001:660:4406:587:9:1::2b",
+      "kavlan-8": "2001:660:4406:588:9:1::2b",
+      "kavlan-9": "2001:660:4406:589:9:1::2b"
+    },
+    "eth2": {
+      "kavlan-1": "2001:660:4406:581:9:2::2b",
+      "kavlan-11": "2001:660:4406:58b:9:2::2b",
+      "kavlan-12": "2001:660:4406:58c:9:2::2b",
+      "kavlan-13": "2001:660:4406:58d:9:2::2b",
+      "kavlan-14": "2001:660:4406:58e:9:2::2b",
+      "kavlan-16": "2001:660:4406:590:9:2::2b",
+      "kavlan-18": "2001:660:4406:592:9:2::2b",
+      "kavlan-2": "2001:660:4406:582:9:2::2b",
+      "kavlan-20": "2001:660:4406:594:9:2::2b",
+      "kavlan-21": "2001:660:4406:595:9:2::2b",
+      "kavlan-3": "2001:660:4406:583:9:2::2b",
+      "kavlan-4": "2001:660:4406:584:9:2::2b",
+      "kavlan-5": "2001:660:4406:585:9:2::2b",
+      "kavlan-6": "2001:660:4406:586:9:2::2b",
+      "kavlan-7": "2001:660:4406:587:9:2::2b",
+      "kavlan-8": "2001:660:4406:588:9:2::2b",
+      "kavlan-9": "2001:660:4406:589:9:2::2b"
+    },
+    "eth3": {
+      "kavlan-1": "2001:660:4406:581:9:3::2b",
+      "kavlan-11": "2001:660:4406:58b:9:3::2b",
+      "kavlan-12": "2001:660:4406:58c:9:3::2b",
+      "kavlan-13": "2001:660:4406:58d:9:3::2b",
+      "kavlan-14": "2001:660:4406:58e:9:3::2b",
+      "kavlan-16": "2001:660:4406:590:9:3::2b",
+      "kavlan-18": "2001:660:4406:592:9:3::2b",
+      "kavlan-2": "2001:660:4406:582:9:3::2b",
+      "kavlan-20": "2001:660:4406:594:9:3::2b",
+      "kavlan-21": "2001:660:4406:595:9:3::2b",
+      "kavlan-3": "2001:660:4406:583:9:3::2b",
+      "kavlan-4": "2001:660:4406:584:9:3::2b",
+      "kavlan-5": "2001:660:4406:585:9:3::2b",
+      "kavlan-6": "2001:660:4406:586:9:3::2b",
+      "kavlan-7": "2001:660:4406:587:9:3::2b",
+      "kavlan-8": "2001:660:4406:588:9:3::2b",
+      "kavlan-9": "2001:660:4406:589:9:3::2b"
+    },
+    "eth4": {
+      "kavlan-1": "2001:660:4406:581:9:4::2b",
+      "kavlan-11": "2001:660:4406:58b:9:4::2b",
+      "kavlan-12": "2001:660:4406:58c:9:4::2b",
+      "kavlan-13": "2001:660:4406:58d:9:4::2b",
+      "kavlan-14": "2001:660:4406:58e:9:4::2b",
+      "kavlan-16": "2001:660:4406:590:9:4::2b",
+      "kavlan-18": "2001:660:4406:592:9:4::2b",
+      "kavlan-2": "2001:660:4406:582:9:4::2b",
+      "kavlan-20": "2001:660:4406:594:9:4::2b",
+      "kavlan-21": "2001:660:4406:595:9:4::2b",
+      "kavlan-3": "2001:660:4406:583:9:4::2b",
+      "kavlan-4": "2001:660:4406:584:9:4::2b",
+      "kavlan-5": "2001:660:4406:585:9:4::2b",
+      "kavlan-6": "2001:660:4406:586:9:4::2b",
+      "kavlan-7": "2001:660:4406:587:9:4::2b",
+      "kavlan-8": "2001:660:4406:588:9:4::2b",
+      "kavlan-9": "2001:660:4406:589:9:4::2b"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -150,6 +247,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:1::2b",
       "kavlan": true,
       "mac": "24:6e:96:03:09:e2",
       "management": false,
@@ -170,6 +268,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:2::2b",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4e:98",
       "management": false,
@@ -190,6 +289,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:3::2b",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4e:9a",
       "management": false,
@@ -210,6 +310,7 @@
       "enabled": true,
       "firmware_version": "1.67, 0x80000fab, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:4::2b",
       "kavlan": true,
       "mac": "24:6e:96:03:09:e4",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-44.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-44.json
index 05def79600e222ba1c1c473b906f1613158cf1af..4b4631c59ea1ae6189fa875ba6acbed9d3ed8fec 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-44.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-44.json
@@ -114,6 +114,103 @@
       "kavlan-9": "10.17.73.144"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:9::2c",
+      "kavlan-11": "2001:660:4406:58b:9::2c",
+      "kavlan-12": "2001:660:4406:58c:9::2c",
+      "kavlan-13": "2001:660:4406:58d:9::2c",
+      "kavlan-14": "2001:660:4406:58e:9::2c",
+      "kavlan-16": "2001:660:4406:590:9::2c",
+      "kavlan-18": "2001:660:4406:592:9::2c",
+      "kavlan-2": "2001:660:4406:582:9::2c",
+      "kavlan-20": "2001:660:4406:594:9::2c",
+      "kavlan-21": "2001:660:4406:595:9::2c",
+      "kavlan-3": "2001:660:4406:583:9::2c",
+      "kavlan-4": "2001:660:4406:584:9::2c",
+      "kavlan-5": "2001:660:4406:585:9::2c",
+      "kavlan-6": "2001:660:4406:586:9::2c",
+      "kavlan-7": "2001:660:4406:587:9::2c",
+      "kavlan-8": "2001:660:4406:588:9::2c",
+      "kavlan-9": "2001:660:4406:589:9::2c"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:9:1::2c",
+      "kavlan-11": "2001:660:4406:58b:9:1::2c",
+      "kavlan-12": "2001:660:4406:58c:9:1::2c",
+      "kavlan-13": "2001:660:4406:58d:9:1::2c",
+      "kavlan-14": "2001:660:4406:58e:9:1::2c",
+      "kavlan-16": "2001:660:4406:590:9:1::2c",
+      "kavlan-18": "2001:660:4406:592:9:1::2c",
+      "kavlan-2": "2001:660:4406:582:9:1::2c",
+      "kavlan-20": "2001:660:4406:594:9:1::2c",
+      "kavlan-21": "2001:660:4406:595:9:1::2c",
+      "kavlan-3": "2001:660:4406:583:9:1::2c",
+      "kavlan-4": "2001:660:4406:584:9:1::2c",
+      "kavlan-5": "2001:660:4406:585:9:1::2c",
+      "kavlan-6": "2001:660:4406:586:9:1::2c",
+      "kavlan-7": "2001:660:4406:587:9:1::2c",
+      "kavlan-8": "2001:660:4406:588:9:1::2c",
+      "kavlan-9": "2001:660:4406:589:9:1::2c"
+    },
+    "eth2": {
+      "kavlan-1": "2001:660:4406:581:9:2::2c",
+      "kavlan-11": "2001:660:4406:58b:9:2::2c",
+      "kavlan-12": "2001:660:4406:58c:9:2::2c",
+      "kavlan-13": "2001:660:4406:58d:9:2::2c",
+      "kavlan-14": "2001:660:4406:58e:9:2::2c",
+      "kavlan-16": "2001:660:4406:590:9:2::2c",
+      "kavlan-18": "2001:660:4406:592:9:2::2c",
+      "kavlan-2": "2001:660:4406:582:9:2::2c",
+      "kavlan-20": "2001:660:4406:594:9:2::2c",
+      "kavlan-21": "2001:660:4406:595:9:2::2c",
+      "kavlan-3": "2001:660:4406:583:9:2::2c",
+      "kavlan-4": "2001:660:4406:584:9:2::2c",
+      "kavlan-5": "2001:660:4406:585:9:2::2c",
+      "kavlan-6": "2001:660:4406:586:9:2::2c",
+      "kavlan-7": "2001:660:4406:587:9:2::2c",
+      "kavlan-8": "2001:660:4406:588:9:2::2c",
+      "kavlan-9": "2001:660:4406:589:9:2::2c"
+    },
+    "eth3": {
+      "kavlan-1": "2001:660:4406:581:9:3::2c",
+      "kavlan-11": "2001:660:4406:58b:9:3::2c",
+      "kavlan-12": "2001:660:4406:58c:9:3::2c",
+      "kavlan-13": "2001:660:4406:58d:9:3::2c",
+      "kavlan-14": "2001:660:4406:58e:9:3::2c",
+      "kavlan-16": "2001:660:4406:590:9:3::2c",
+      "kavlan-18": "2001:660:4406:592:9:3::2c",
+      "kavlan-2": "2001:660:4406:582:9:3::2c",
+      "kavlan-20": "2001:660:4406:594:9:3::2c",
+      "kavlan-21": "2001:660:4406:595:9:3::2c",
+      "kavlan-3": "2001:660:4406:583:9:3::2c",
+      "kavlan-4": "2001:660:4406:584:9:3::2c",
+      "kavlan-5": "2001:660:4406:585:9:3::2c",
+      "kavlan-6": "2001:660:4406:586:9:3::2c",
+      "kavlan-7": "2001:660:4406:587:9:3::2c",
+      "kavlan-8": "2001:660:4406:588:9:3::2c",
+      "kavlan-9": "2001:660:4406:589:9:3::2c"
+    },
+    "eth4": {
+      "kavlan-1": "2001:660:4406:581:9:4::2c",
+      "kavlan-11": "2001:660:4406:58b:9:4::2c",
+      "kavlan-12": "2001:660:4406:58c:9:4::2c",
+      "kavlan-13": "2001:660:4406:58d:9:4::2c",
+      "kavlan-14": "2001:660:4406:58e:9:4::2c",
+      "kavlan-16": "2001:660:4406:590:9:4::2c",
+      "kavlan-18": "2001:660:4406:592:9:4::2c",
+      "kavlan-2": "2001:660:4406:582:9:4::2c",
+      "kavlan-20": "2001:660:4406:594:9:4::2c",
+      "kavlan-21": "2001:660:4406:595:9:4::2c",
+      "kavlan-3": "2001:660:4406:583:9:4::2c",
+      "kavlan-4": "2001:660:4406:584:9:4::2c",
+      "kavlan-5": "2001:660:4406:585:9:4::2c",
+      "kavlan-6": "2001:660:4406:586:9:4::2c",
+      "kavlan-7": "2001:660:4406:587:9:4::2c",
+      "kavlan-8": "2001:660:4406:588:9:4::2c",
+      "kavlan-9": "2001:660:4406:589:9:4::2c"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -150,6 +247,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:1::2c",
       "kavlan": true,
       "mac": "24:6e:96:03:0c:12",
       "management": false,
@@ -170,6 +268,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:2::2c",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4e:d8",
       "management": false,
@@ -190,6 +289,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:3::2c",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4e:da",
       "management": false,
@@ -210,6 +310,7 @@
       "enabled": true,
       "firmware_version": "1.67, 0x80000fab, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:4::2c",
       "kavlan": true,
       "mac": "24:6e:96:03:0c:14",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-45.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-45.json
index af9c658e6635488af23ad2ca3f6c85c1a86496dc..09f9c2cb940e3a4247c75bc331b35f56c917635c 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-45.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-45.json
@@ -114,6 +114,103 @@
       "kavlan-9": "10.17.73.145"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:9::2d",
+      "kavlan-11": "2001:660:4406:58b:9::2d",
+      "kavlan-12": "2001:660:4406:58c:9::2d",
+      "kavlan-13": "2001:660:4406:58d:9::2d",
+      "kavlan-14": "2001:660:4406:58e:9::2d",
+      "kavlan-16": "2001:660:4406:590:9::2d",
+      "kavlan-18": "2001:660:4406:592:9::2d",
+      "kavlan-2": "2001:660:4406:582:9::2d",
+      "kavlan-20": "2001:660:4406:594:9::2d",
+      "kavlan-21": "2001:660:4406:595:9::2d",
+      "kavlan-3": "2001:660:4406:583:9::2d",
+      "kavlan-4": "2001:660:4406:584:9::2d",
+      "kavlan-5": "2001:660:4406:585:9::2d",
+      "kavlan-6": "2001:660:4406:586:9::2d",
+      "kavlan-7": "2001:660:4406:587:9::2d",
+      "kavlan-8": "2001:660:4406:588:9::2d",
+      "kavlan-9": "2001:660:4406:589:9::2d"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:9:1::2d",
+      "kavlan-11": "2001:660:4406:58b:9:1::2d",
+      "kavlan-12": "2001:660:4406:58c:9:1::2d",
+      "kavlan-13": "2001:660:4406:58d:9:1::2d",
+      "kavlan-14": "2001:660:4406:58e:9:1::2d",
+      "kavlan-16": "2001:660:4406:590:9:1::2d",
+      "kavlan-18": "2001:660:4406:592:9:1::2d",
+      "kavlan-2": "2001:660:4406:582:9:1::2d",
+      "kavlan-20": "2001:660:4406:594:9:1::2d",
+      "kavlan-21": "2001:660:4406:595:9:1::2d",
+      "kavlan-3": "2001:660:4406:583:9:1::2d",
+      "kavlan-4": "2001:660:4406:584:9:1::2d",
+      "kavlan-5": "2001:660:4406:585:9:1::2d",
+      "kavlan-6": "2001:660:4406:586:9:1::2d",
+      "kavlan-7": "2001:660:4406:587:9:1::2d",
+      "kavlan-8": "2001:660:4406:588:9:1::2d",
+      "kavlan-9": "2001:660:4406:589:9:1::2d"
+    },
+    "eth2": {
+      "kavlan-1": "2001:660:4406:581:9:2::2d",
+      "kavlan-11": "2001:660:4406:58b:9:2::2d",
+      "kavlan-12": "2001:660:4406:58c:9:2::2d",
+      "kavlan-13": "2001:660:4406:58d:9:2::2d",
+      "kavlan-14": "2001:660:4406:58e:9:2::2d",
+      "kavlan-16": "2001:660:4406:590:9:2::2d",
+      "kavlan-18": "2001:660:4406:592:9:2::2d",
+      "kavlan-2": "2001:660:4406:582:9:2::2d",
+      "kavlan-20": "2001:660:4406:594:9:2::2d",
+      "kavlan-21": "2001:660:4406:595:9:2::2d",
+      "kavlan-3": "2001:660:4406:583:9:2::2d",
+      "kavlan-4": "2001:660:4406:584:9:2::2d",
+      "kavlan-5": "2001:660:4406:585:9:2::2d",
+      "kavlan-6": "2001:660:4406:586:9:2::2d",
+      "kavlan-7": "2001:660:4406:587:9:2::2d",
+      "kavlan-8": "2001:660:4406:588:9:2::2d",
+      "kavlan-9": "2001:660:4406:589:9:2::2d"
+    },
+    "eth3": {
+      "kavlan-1": "2001:660:4406:581:9:3::2d",
+      "kavlan-11": "2001:660:4406:58b:9:3::2d",
+      "kavlan-12": "2001:660:4406:58c:9:3::2d",
+      "kavlan-13": "2001:660:4406:58d:9:3::2d",
+      "kavlan-14": "2001:660:4406:58e:9:3::2d",
+      "kavlan-16": "2001:660:4406:590:9:3::2d",
+      "kavlan-18": "2001:660:4406:592:9:3::2d",
+      "kavlan-2": "2001:660:4406:582:9:3::2d",
+      "kavlan-20": "2001:660:4406:594:9:3::2d",
+      "kavlan-21": "2001:660:4406:595:9:3::2d",
+      "kavlan-3": "2001:660:4406:583:9:3::2d",
+      "kavlan-4": "2001:660:4406:584:9:3::2d",
+      "kavlan-5": "2001:660:4406:585:9:3::2d",
+      "kavlan-6": "2001:660:4406:586:9:3::2d",
+      "kavlan-7": "2001:660:4406:587:9:3::2d",
+      "kavlan-8": "2001:660:4406:588:9:3::2d",
+      "kavlan-9": "2001:660:4406:589:9:3::2d"
+    },
+    "eth4": {
+      "kavlan-1": "2001:660:4406:581:9:4::2d",
+      "kavlan-11": "2001:660:4406:58b:9:4::2d",
+      "kavlan-12": "2001:660:4406:58c:9:4::2d",
+      "kavlan-13": "2001:660:4406:58d:9:4::2d",
+      "kavlan-14": "2001:660:4406:58e:9:4::2d",
+      "kavlan-16": "2001:660:4406:590:9:4::2d",
+      "kavlan-18": "2001:660:4406:592:9:4::2d",
+      "kavlan-2": "2001:660:4406:582:9:4::2d",
+      "kavlan-20": "2001:660:4406:594:9:4::2d",
+      "kavlan-21": "2001:660:4406:595:9:4::2d",
+      "kavlan-3": "2001:660:4406:583:9:4::2d",
+      "kavlan-4": "2001:660:4406:584:9:4::2d",
+      "kavlan-5": "2001:660:4406:585:9:4::2d",
+      "kavlan-6": "2001:660:4406:586:9:4::2d",
+      "kavlan-7": "2001:660:4406:587:9:4::2d",
+      "kavlan-8": "2001:660:4406:588:9:4::2d",
+      "kavlan-9": "2001:660:4406:589:9:4::2d"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -150,6 +247,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:1::2d",
       "kavlan": true,
       "mac": "24:6e:96:03:0d:6a",
       "management": false,
@@ -170,6 +268,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:2::2d",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4e:e4",
       "management": false,
@@ -190,6 +289,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:3::2d",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4e:e6",
       "management": false,
@@ -210,6 +310,7 @@
       "enabled": true,
       "firmware_version": "1.67, 0x80000fab, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:4::2d",
       "kavlan": true,
       "mac": "24:6e:96:03:0d:6c",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-46.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-46.json
index 1150aff6430fa75dc8c20725bdd0fabaea37828d..f960b71eae9f7c1fd8ec25b54ea48fc0bc336683 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-46.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-46.json
@@ -114,6 +114,103 @@
       "kavlan-9": "10.17.73.146"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:9::2e",
+      "kavlan-11": "2001:660:4406:58b:9::2e",
+      "kavlan-12": "2001:660:4406:58c:9::2e",
+      "kavlan-13": "2001:660:4406:58d:9::2e",
+      "kavlan-14": "2001:660:4406:58e:9::2e",
+      "kavlan-16": "2001:660:4406:590:9::2e",
+      "kavlan-18": "2001:660:4406:592:9::2e",
+      "kavlan-2": "2001:660:4406:582:9::2e",
+      "kavlan-20": "2001:660:4406:594:9::2e",
+      "kavlan-21": "2001:660:4406:595:9::2e",
+      "kavlan-3": "2001:660:4406:583:9::2e",
+      "kavlan-4": "2001:660:4406:584:9::2e",
+      "kavlan-5": "2001:660:4406:585:9::2e",
+      "kavlan-6": "2001:660:4406:586:9::2e",
+      "kavlan-7": "2001:660:4406:587:9::2e",
+      "kavlan-8": "2001:660:4406:588:9::2e",
+      "kavlan-9": "2001:660:4406:589:9::2e"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:9:1::2e",
+      "kavlan-11": "2001:660:4406:58b:9:1::2e",
+      "kavlan-12": "2001:660:4406:58c:9:1::2e",
+      "kavlan-13": "2001:660:4406:58d:9:1::2e",
+      "kavlan-14": "2001:660:4406:58e:9:1::2e",
+      "kavlan-16": "2001:660:4406:590:9:1::2e",
+      "kavlan-18": "2001:660:4406:592:9:1::2e",
+      "kavlan-2": "2001:660:4406:582:9:1::2e",
+      "kavlan-20": "2001:660:4406:594:9:1::2e",
+      "kavlan-21": "2001:660:4406:595:9:1::2e",
+      "kavlan-3": "2001:660:4406:583:9:1::2e",
+      "kavlan-4": "2001:660:4406:584:9:1::2e",
+      "kavlan-5": "2001:660:4406:585:9:1::2e",
+      "kavlan-6": "2001:660:4406:586:9:1::2e",
+      "kavlan-7": "2001:660:4406:587:9:1::2e",
+      "kavlan-8": "2001:660:4406:588:9:1::2e",
+      "kavlan-9": "2001:660:4406:589:9:1::2e"
+    },
+    "eth2": {
+      "kavlan-1": "2001:660:4406:581:9:2::2e",
+      "kavlan-11": "2001:660:4406:58b:9:2::2e",
+      "kavlan-12": "2001:660:4406:58c:9:2::2e",
+      "kavlan-13": "2001:660:4406:58d:9:2::2e",
+      "kavlan-14": "2001:660:4406:58e:9:2::2e",
+      "kavlan-16": "2001:660:4406:590:9:2::2e",
+      "kavlan-18": "2001:660:4406:592:9:2::2e",
+      "kavlan-2": "2001:660:4406:582:9:2::2e",
+      "kavlan-20": "2001:660:4406:594:9:2::2e",
+      "kavlan-21": "2001:660:4406:595:9:2::2e",
+      "kavlan-3": "2001:660:4406:583:9:2::2e",
+      "kavlan-4": "2001:660:4406:584:9:2::2e",
+      "kavlan-5": "2001:660:4406:585:9:2::2e",
+      "kavlan-6": "2001:660:4406:586:9:2::2e",
+      "kavlan-7": "2001:660:4406:587:9:2::2e",
+      "kavlan-8": "2001:660:4406:588:9:2::2e",
+      "kavlan-9": "2001:660:4406:589:9:2::2e"
+    },
+    "eth3": {
+      "kavlan-1": "2001:660:4406:581:9:3::2e",
+      "kavlan-11": "2001:660:4406:58b:9:3::2e",
+      "kavlan-12": "2001:660:4406:58c:9:3::2e",
+      "kavlan-13": "2001:660:4406:58d:9:3::2e",
+      "kavlan-14": "2001:660:4406:58e:9:3::2e",
+      "kavlan-16": "2001:660:4406:590:9:3::2e",
+      "kavlan-18": "2001:660:4406:592:9:3::2e",
+      "kavlan-2": "2001:660:4406:582:9:3::2e",
+      "kavlan-20": "2001:660:4406:594:9:3::2e",
+      "kavlan-21": "2001:660:4406:595:9:3::2e",
+      "kavlan-3": "2001:660:4406:583:9:3::2e",
+      "kavlan-4": "2001:660:4406:584:9:3::2e",
+      "kavlan-5": "2001:660:4406:585:9:3::2e",
+      "kavlan-6": "2001:660:4406:586:9:3::2e",
+      "kavlan-7": "2001:660:4406:587:9:3::2e",
+      "kavlan-8": "2001:660:4406:588:9:3::2e",
+      "kavlan-9": "2001:660:4406:589:9:3::2e"
+    },
+    "eth4": {
+      "kavlan-1": "2001:660:4406:581:9:4::2e",
+      "kavlan-11": "2001:660:4406:58b:9:4::2e",
+      "kavlan-12": "2001:660:4406:58c:9:4::2e",
+      "kavlan-13": "2001:660:4406:58d:9:4::2e",
+      "kavlan-14": "2001:660:4406:58e:9:4::2e",
+      "kavlan-16": "2001:660:4406:590:9:4::2e",
+      "kavlan-18": "2001:660:4406:592:9:4::2e",
+      "kavlan-2": "2001:660:4406:582:9:4::2e",
+      "kavlan-20": "2001:660:4406:594:9:4::2e",
+      "kavlan-21": "2001:660:4406:595:9:4::2e",
+      "kavlan-3": "2001:660:4406:583:9:4::2e",
+      "kavlan-4": "2001:660:4406:584:9:4::2e",
+      "kavlan-5": "2001:660:4406:585:9:4::2e",
+      "kavlan-6": "2001:660:4406:586:9:4::2e",
+      "kavlan-7": "2001:660:4406:587:9:4::2e",
+      "kavlan-8": "2001:660:4406:588:9:4::2e",
+      "kavlan-9": "2001:660:4406:589:9:4::2e"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -150,6 +247,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:1::2e",
       "kavlan": true,
       "mac": "24:6e:96:03:10:1a",
       "management": false,
@@ -170,6 +268,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:2::2e",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4d:e0",
       "management": false,
@@ -190,6 +289,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:3::2e",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4d:e2",
       "management": false,
@@ -210,6 +310,7 @@
       "enabled": true,
       "firmware_version": "1.67, 0x80000fab, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:4::2e",
       "kavlan": true,
       "mac": "24:6e:96:03:10:1c",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-47.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-47.json
index 49fce0f03089727aacbb174e82c3811362d8e681..76a2515b9c468f21c487b01f2fcf2806301cba84 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-47.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-47.json
@@ -114,6 +114,103 @@
       "kavlan-9": "10.17.73.147"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:9::2f",
+      "kavlan-11": "2001:660:4406:58b:9::2f",
+      "kavlan-12": "2001:660:4406:58c:9::2f",
+      "kavlan-13": "2001:660:4406:58d:9::2f",
+      "kavlan-14": "2001:660:4406:58e:9::2f",
+      "kavlan-16": "2001:660:4406:590:9::2f",
+      "kavlan-18": "2001:660:4406:592:9::2f",
+      "kavlan-2": "2001:660:4406:582:9::2f",
+      "kavlan-20": "2001:660:4406:594:9::2f",
+      "kavlan-21": "2001:660:4406:595:9::2f",
+      "kavlan-3": "2001:660:4406:583:9::2f",
+      "kavlan-4": "2001:660:4406:584:9::2f",
+      "kavlan-5": "2001:660:4406:585:9::2f",
+      "kavlan-6": "2001:660:4406:586:9::2f",
+      "kavlan-7": "2001:660:4406:587:9::2f",
+      "kavlan-8": "2001:660:4406:588:9::2f",
+      "kavlan-9": "2001:660:4406:589:9::2f"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:9:1::2f",
+      "kavlan-11": "2001:660:4406:58b:9:1::2f",
+      "kavlan-12": "2001:660:4406:58c:9:1::2f",
+      "kavlan-13": "2001:660:4406:58d:9:1::2f",
+      "kavlan-14": "2001:660:4406:58e:9:1::2f",
+      "kavlan-16": "2001:660:4406:590:9:1::2f",
+      "kavlan-18": "2001:660:4406:592:9:1::2f",
+      "kavlan-2": "2001:660:4406:582:9:1::2f",
+      "kavlan-20": "2001:660:4406:594:9:1::2f",
+      "kavlan-21": "2001:660:4406:595:9:1::2f",
+      "kavlan-3": "2001:660:4406:583:9:1::2f",
+      "kavlan-4": "2001:660:4406:584:9:1::2f",
+      "kavlan-5": "2001:660:4406:585:9:1::2f",
+      "kavlan-6": "2001:660:4406:586:9:1::2f",
+      "kavlan-7": "2001:660:4406:587:9:1::2f",
+      "kavlan-8": "2001:660:4406:588:9:1::2f",
+      "kavlan-9": "2001:660:4406:589:9:1::2f"
+    },
+    "eth2": {
+      "kavlan-1": "2001:660:4406:581:9:2::2f",
+      "kavlan-11": "2001:660:4406:58b:9:2::2f",
+      "kavlan-12": "2001:660:4406:58c:9:2::2f",
+      "kavlan-13": "2001:660:4406:58d:9:2::2f",
+      "kavlan-14": "2001:660:4406:58e:9:2::2f",
+      "kavlan-16": "2001:660:4406:590:9:2::2f",
+      "kavlan-18": "2001:660:4406:592:9:2::2f",
+      "kavlan-2": "2001:660:4406:582:9:2::2f",
+      "kavlan-20": "2001:660:4406:594:9:2::2f",
+      "kavlan-21": "2001:660:4406:595:9:2::2f",
+      "kavlan-3": "2001:660:4406:583:9:2::2f",
+      "kavlan-4": "2001:660:4406:584:9:2::2f",
+      "kavlan-5": "2001:660:4406:585:9:2::2f",
+      "kavlan-6": "2001:660:4406:586:9:2::2f",
+      "kavlan-7": "2001:660:4406:587:9:2::2f",
+      "kavlan-8": "2001:660:4406:588:9:2::2f",
+      "kavlan-9": "2001:660:4406:589:9:2::2f"
+    },
+    "eth3": {
+      "kavlan-1": "2001:660:4406:581:9:3::2f",
+      "kavlan-11": "2001:660:4406:58b:9:3::2f",
+      "kavlan-12": "2001:660:4406:58c:9:3::2f",
+      "kavlan-13": "2001:660:4406:58d:9:3::2f",
+      "kavlan-14": "2001:660:4406:58e:9:3::2f",
+      "kavlan-16": "2001:660:4406:590:9:3::2f",
+      "kavlan-18": "2001:660:4406:592:9:3::2f",
+      "kavlan-2": "2001:660:4406:582:9:3::2f",
+      "kavlan-20": "2001:660:4406:594:9:3::2f",
+      "kavlan-21": "2001:660:4406:595:9:3::2f",
+      "kavlan-3": "2001:660:4406:583:9:3::2f",
+      "kavlan-4": "2001:660:4406:584:9:3::2f",
+      "kavlan-5": "2001:660:4406:585:9:3::2f",
+      "kavlan-6": "2001:660:4406:586:9:3::2f",
+      "kavlan-7": "2001:660:4406:587:9:3::2f",
+      "kavlan-8": "2001:660:4406:588:9:3::2f",
+      "kavlan-9": "2001:660:4406:589:9:3::2f"
+    },
+    "eth4": {
+      "kavlan-1": "2001:660:4406:581:9:4::2f",
+      "kavlan-11": "2001:660:4406:58b:9:4::2f",
+      "kavlan-12": "2001:660:4406:58c:9:4::2f",
+      "kavlan-13": "2001:660:4406:58d:9:4::2f",
+      "kavlan-14": "2001:660:4406:58e:9:4::2f",
+      "kavlan-16": "2001:660:4406:590:9:4::2f",
+      "kavlan-18": "2001:660:4406:592:9:4::2f",
+      "kavlan-2": "2001:660:4406:582:9:4::2f",
+      "kavlan-20": "2001:660:4406:594:9:4::2f",
+      "kavlan-21": "2001:660:4406:595:9:4::2f",
+      "kavlan-3": "2001:660:4406:583:9:4::2f",
+      "kavlan-4": "2001:660:4406:584:9:4::2f",
+      "kavlan-5": "2001:660:4406:585:9:4::2f",
+      "kavlan-6": "2001:660:4406:586:9:4::2f",
+      "kavlan-7": "2001:660:4406:587:9:4::2f",
+      "kavlan-8": "2001:660:4406:588:9:4::2f",
+      "kavlan-9": "2001:660:4406:589:9:4::2f"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -150,6 +247,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:1::2f",
       "kavlan": true,
       "mac": "24:6e:96:03:0a:42",
       "management": false,
@@ -170,6 +268,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:2::2f",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4a:48",
       "management": false,
@@ -190,6 +289,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:3::2f",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4a:4a",
       "management": false,
@@ -210,6 +310,7 @@
       "enabled": true,
       "firmware_version": "1.67, 0x80000fab, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:4::2f",
       "kavlan": true,
       "mac": "24:6e:96:03:0a:44",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-48.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-48.json
index ba3a010bd73ee5249deaffa4354d726d1ef2583f..7fb1e73ac25f052b7bf892f2f9deb36aefd1c953 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-48.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-48.json
@@ -114,6 +114,103 @@
       "kavlan-9": "10.17.73.148"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:9::30",
+      "kavlan-11": "2001:660:4406:58b:9::30",
+      "kavlan-12": "2001:660:4406:58c:9::30",
+      "kavlan-13": "2001:660:4406:58d:9::30",
+      "kavlan-14": "2001:660:4406:58e:9::30",
+      "kavlan-16": "2001:660:4406:590:9::30",
+      "kavlan-18": "2001:660:4406:592:9::30",
+      "kavlan-2": "2001:660:4406:582:9::30",
+      "kavlan-20": "2001:660:4406:594:9::30",
+      "kavlan-21": "2001:660:4406:595:9::30",
+      "kavlan-3": "2001:660:4406:583:9::30",
+      "kavlan-4": "2001:660:4406:584:9::30",
+      "kavlan-5": "2001:660:4406:585:9::30",
+      "kavlan-6": "2001:660:4406:586:9::30",
+      "kavlan-7": "2001:660:4406:587:9::30",
+      "kavlan-8": "2001:660:4406:588:9::30",
+      "kavlan-9": "2001:660:4406:589:9::30"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:9:1::30",
+      "kavlan-11": "2001:660:4406:58b:9:1::30",
+      "kavlan-12": "2001:660:4406:58c:9:1::30",
+      "kavlan-13": "2001:660:4406:58d:9:1::30",
+      "kavlan-14": "2001:660:4406:58e:9:1::30",
+      "kavlan-16": "2001:660:4406:590:9:1::30",
+      "kavlan-18": "2001:660:4406:592:9:1::30",
+      "kavlan-2": "2001:660:4406:582:9:1::30",
+      "kavlan-20": "2001:660:4406:594:9:1::30",
+      "kavlan-21": "2001:660:4406:595:9:1::30",
+      "kavlan-3": "2001:660:4406:583:9:1::30",
+      "kavlan-4": "2001:660:4406:584:9:1::30",
+      "kavlan-5": "2001:660:4406:585:9:1::30",
+      "kavlan-6": "2001:660:4406:586:9:1::30",
+      "kavlan-7": "2001:660:4406:587:9:1::30",
+      "kavlan-8": "2001:660:4406:588:9:1::30",
+      "kavlan-9": "2001:660:4406:589:9:1::30"
+    },
+    "eth2": {
+      "kavlan-1": "2001:660:4406:581:9:2::30",
+      "kavlan-11": "2001:660:4406:58b:9:2::30",
+      "kavlan-12": "2001:660:4406:58c:9:2::30",
+      "kavlan-13": "2001:660:4406:58d:9:2::30",
+      "kavlan-14": "2001:660:4406:58e:9:2::30",
+      "kavlan-16": "2001:660:4406:590:9:2::30",
+      "kavlan-18": "2001:660:4406:592:9:2::30",
+      "kavlan-2": "2001:660:4406:582:9:2::30",
+      "kavlan-20": "2001:660:4406:594:9:2::30",
+      "kavlan-21": "2001:660:4406:595:9:2::30",
+      "kavlan-3": "2001:660:4406:583:9:2::30",
+      "kavlan-4": "2001:660:4406:584:9:2::30",
+      "kavlan-5": "2001:660:4406:585:9:2::30",
+      "kavlan-6": "2001:660:4406:586:9:2::30",
+      "kavlan-7": "2001:660:4406:587:9:2::30",
+      "kavlan-8": "2001:660:4406:588:9:2::30",
+      "kavlan-9": "2001:660:4406:589:9:2::30"
+    },
+    "eth3": {
+      "kavlan-1": "2001:660:4406:581:9:3::30",
+      "kavlan-11": "2001:660:4406:58b:9:3::30",
+      "kavlan-12": "2001:660:4406:58c:9:3::30",
+      "kavlan-13": "2001:660:4406:58d:9:3::30",
+      "kavlan-14": "2001:660:4406:58e:9:3::30",
+      "kavlan-16": "2001:660:4406:590:9:3::30",
+      "kavlan-18": "2001:660:4406:592:9:3::30",
+      "kavlan-2": "2001:660:4406:582:9:3::30",
+      "kavlan-20": "2001:660:4406:594:9:3::30",
+      "kavlan-21": "2001:660:4406:595:9:3::30",
+      "kavlan-3": "2001:660:4406:583:9:3::30",
+      "kavlan-4": "2001:660:4406:584:9:3::30",
+      "kavlan-5": "2001:660:4406:585:9:3::30",
+      "kavlan-6": "2001:660:4406:586:9:3::30",
+      "kavlan-7": "2001:660:4406:587:9:3::30",
+      "kavlan-8": "2001:660:4406:588:9:3::30",
+      "kavlan-9": "2001:660:4406:589:9:3::30"
+    },
+    "eth4": {
+      "kavlan-1": "2001:660:4406:581:9:4::30",
+      "kavlan-11": "2001:660:4406:58b:9:4::30",
+      "kavlan-12": "2001:660:4406:58c:9:4::30",
+      "kavlan-13": "2001:660:4406:58d:9:4::30",
+      "kavlan-14": "2001:660:4406:58e:9:4::30",
+      "kavlan-16": "2001:660:4406:590:9:4::30",
+      "kavlan-18": "2001:660:4406:592:9:4::30",
+      "kavlan-2": "2001:660:4406:582:9:4::30",
+      "kavlan-20": "2001:660:4406:594:9:4::30",
+      "kavlan-21": "2001:660:4406:595:9:4::30",
+      "kavlan-3": "2001:660:4406:583:9:4::30",
+      "kavlan-4": "2001:660:4406:584:9:4::30",
+      "kavlan-5": "2001:660:4406:585:9:4::30",
+      "kavlan-6": "2001:660:4406:586:9:4::30",
+      "kavlan-7": "2001:660:4406:587:9:4::30",
+      "kavlan-8": "2001:660:4406:588:9:4::30",
+      "kavlan-9": "2001:660:4406:589:9:4::30"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -150,6 +247,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:1::30",
       "kavlan": true,
       "mac": "24:6e:96:03:0d:52",
       "management": false,
@@ -170,6 +268,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:2::30",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4c:c8",
       "management": false,
@@ -190,6 +289,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:3::30",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4c:ca",
       "management": false,
@@ -210,6 +310,7 @@
       "enabled": true,
       "firmware_version": "1.67, 0x80000fab, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:4::30",
       "kavlan": true,
       "mac": "24:6e:96:03:0d:54",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-49.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-49.json
index 02da8d901a4d007b2919249f899565c917b54244..829da3c48e49b15afe139bb77d76345f5be017c9 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-49.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-49.json
@@ -95,6 +95,84 @@
       "kavlan-9": "10.17.73.49"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:9::31",
+      "kavlan-11": "2001:660:4406:58b:9::31",
+      "kavlan-12": "2001:660:4406:58c:9::31",
+      "kavlan-13": "2001:660:4406:58d:9::31",
+      "kavlan-14": "2001:660:4406:58e:9::31",
+      "kavlan-16": "2001:660:4406:590:9::31",
+      "kavlan-18": "2001:660:4406:592:9::31",
+      "kavlan-2": "2001:660:4406:582:9::31",
+      "kavlan-20": "2001:660:4406:594:9::31",
+      "kavlan-21": "2001:660:4406:595:9::31",
+      "kavlan-3": "2001:660:4406:583:9::31",
+      "kavlan-4": "2001:660:4406:584:9::31",
+      "kavlan-5": "2001:660:4406:585:9::31",
+      "kavlan-6": "2001:660:4406:586:9::31",
+      "kavlan-7": "2001:660:4406:587:9::31",
+      "kavlan-8": "2001:660:4406:588:9::31",
+      "kavlan-9": "2001:660:4406:589:9::31"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:9:1::31",
+      "kavlan-11": "2001:660:4406:58b:9:1::31",
+      "kavlan-12": "2001:660:4406:58c:9:1::31",
+      "kavlan-13": "2001:660:4406:58d:9:1::31",
+      "kavlan-14": "2001:660:4406:58e:9:1::31",
+      "kavlan-16": "2001:660:4406:590:9:1::31",
+      "kavlan-18": "2001:660:4406:592:9:1::31",
+      "kavlan-2": "2001:660:4406:582:9:1::31",
+      "kavlan-20": "2001:660:4406:594:9:1::31",
+      "kavlan-21": "2001:660:4406:595:9:1::31",
+      "kavlan-3": "2001:660:4406:583:9:1::31",
+      "kavlan-4": "2001:660:4406:584:9:1::31",
+      "kavlan-5": "2001:660:4406:585:9:1::31",
+      "kavlan-6": "2001:660:4406:586:9:1::31",
+      "kavlan-7": "2001:660:4406:587:9:1::31",
+      "kavlan-8": "2001:660:4406:588:9:1::31",
+      "kavlan-9": "2001:660:4406:589:9:1::31"
+    },
+    "eth2": {
+      "kavlan-1": "2001:660:4406:581:9:2::31",
+      "kavlan-11": "2001:660:4406:58b:9:2::31",
+      "kavlan-12": "2001:660:4406:58c:9:2::31",
+      "kavlan-13": "2001:660:4406:58d:9:2::31",
+      "kavlan-14": "2001:660:4406:58e:9:2::31",
+      "kavlan-16": "2001:660:4406:590:9:2::31",
+      "kavlan-18": "2001:660:4406:592:9:2::31",
+      "kavlan-2": "2001:660:4406:582:9:2::31",
+      "kavlan-20": "2001:660:4406:594:9:2::31",
+      "kavlan-21": "2001:660:4406:595:9:2::31",
+      "kavlan-3": "2001:660:4406:583:9:2::31",
+      "kavlan-4": "2001:660:4406:584:9:2::31",
+      "kavlan-5": "2001:660:4406:585:9:2::31",
+      "kavlan-6": "2001:660:4406:586:9:2::31",
+      "kavlan-7": "2001:660:4406:587:9:2::31",
+      "kavlan-8": "2001:660:4406:588:9:2::31",
+      "kavlan-9": "2001:660:4406:589:9:2::31"
+    },
+    "eth3": {
+      "kavlan-1": "2001:660:4406:581:9:3::31",
+      "kavlan-11": "2001:660:4406:58b:9:3::31",
+      "kavlan-12": "2001:660:4406:58c:9:3::31",
+      "kavlan-13": "2001:660:4406:58d:9:3::31",
+      "kavlan-14": "2001:660:4406:58e:9:3::31",
+      "kavlan-16": "2001:660:4406:590:9:3::31",
+      "kavlan-18": "2001:660:4406:592:9:3::31",
+      "kavlan-2": "2001:660:4406:582:9:3::31",
+      "kavlan-20": "2001:660:4406:594:9:3::31",
+      "kavlan-21": "2001:660:4406:595:9:3::31",
+      "kavlan-3": "2001:660:4406:583:9:3::31",
+      "kavlan-4": "2001:660:4406:584:9:3::31",
+      "kavlan-5": "2001:660:4406:585:9:3::31",
+      "kavlan-6": "2001:660:4406:586:9:3::31",
+      "kavlan-7": "2001:660:4406:587:9:3::31",
+      "kavlan-8": "2001:660:4406:588:9:3::31",
+      "kavlan-9": "2001:660:4406:589:9:3::31"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -131,6 +209,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:1::31",
       "kavlan": true,
       "mac": "24:6e:96:03:0e:82",
       "management": false,
@@ -151,6 +230,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:2::31",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4d:cc",
       "management": false,
@@ -171,6 +251,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:3::31",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4d:ce",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-5.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-5.json
index c6e121a8ec19163fbde9a4752516a73d04f22699..180b2870b6469e4e252a5070ef084b19eaac2998 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-5.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-5.json
@@ -114,6 +114,103 @@
       "kavlan-9": "10.17.73.105"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:9::5",
+      "kavlan-11": "2001:660:4406:58b:9::5",
+      "kavlan-12": "2001:660:4406:58c:9::5",
+      "kavlan-13": "2001:660:4406:58d:9::5",
+      "kavlan-14": "2001:660:4406:58e:9::5",
+      "kavlan-16": "2001:660:4406:590:9::5",
+      "kavlan-18": "2001:660:4406:592:9::5",
+      "kavlan-2": "2001:660:4406:582:9::5",
+      "kavlan-20": "2001:660:4406:594:9::5",
+      "kavlan-21": "2001:660:4406:595:9::5",
+      "kavlan-3": "2001:660:4406:583:9::5",
+      "kavlan-4": "2001:660:4406:584:9::5",
+      "kavlan-5": "2001:660:4406:585:9::5",
+      "kavlan-6": "2001:660:4406:586:9::5",
+      "kavlan-7": "2001:660:4406:587:9::5",
+      "kavlan-8": "2001:660:4406:588:9::5",
+      "kavlan-9": "2001:660:4406:589:9::5"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:9:1::5",
+      "kavlan-11": "2001:660:4406:58b:9:1::5",
+      "kavlan-12": "2001:660:4406:58c:9:1::5",
+      "kavlan-13": "2001:660:4406:58d:9:1::5",
+      "kavlan-14": "2001:660:4406:58e:9:1::5",
+      "kavlan-16": "2001:660:4406:590:9:1::5",
+      "kavlan-18": "2001:660:4406:592:9:1::5",
+      "kavlan-2": "2001:660:4406:582:9:1::5",
+      "kavlan-20": "2001:660:4406:594:9:1::5",
+      "kavlan-21": "2001:660:4406:595:9:1::5",
+      "kavlan-3": "2001:660:4406:583:9:1::5",
+      "kavlan-4": "2001:660:4406:584:9:1::5",
+      "kavlan-5": "2001:660:4406:585:9:1::5",
+      "kavlan-6": "2001:660:4406:586:9:1::5",
+      "kavlan-7": "2001:660:4406:587:9:1::5",
+      "kavlan-8": "2001:660:4406:588:9:1::5",
+      "kavlan-9": "2001:660:4406:589:9:1::5"
+    },
+    "eth2": {
+      "kavlan-1": "2001:660:4406:581:9:2::5",
+      "kavlan-11": "2001:660:4406:58b:9:2::5",
+      "kavlan-12": "2001:660:4406:58c:9:2::5",
+      "kavlan-13": "2001:660:4406:58d:9:2::5",
+      "kavlan-14": "2001:660:4406:58e:9:2::5",
+      "kavlan-16": "2001:660:4406:590:9:2::5",
+      "kavlan-18": "2001:660:4406:592:9:2::5",
+      "kavlan-2": "2001:660:4406:582:9:2::5",
+      "kavlan-20": "2001:660:4406:594:9:2::5",
+      "kavlan-21": "2001:660:4406:595:9:2::5",
+      "kavlan-3": "2001:660:4406:583:9:2::5",
+      "kavlan-4": "2001:660:4406:584:9:2::5",
+      "kavlan-5": "2001:660:4406:585:9:2::5",
+      "kavlan-6": "2001:660:4406:586:9:2::5",
+      "kavlan-7": "2001:660:4406:587:9:2::5",
+      "kavlan-8": "2001:660:4406:588:9:2::5",
+      "kavlan-9": "2001:660:4406:589:9:2::5"
+    },
+    "eth3": {
+      "kavlan-1": "2001:660:4406:581:9:3::5",
+      "kavlan-11": "2001:660:4406:58b:9:3::5",
+      "kavlan-12": "2001:660:4406:58c:9:3::5",
+      "kavlan-13": "2001:660:4406:58d:9:3::5",
+      "kavlan-14": "2001:660:4406:58e:9:3::5",
+      "kavlan-16": "2001:660:4406:590:9:3::5",
+      "kavlan-18": "2001:660:4406:592:9:3::5",
+      "kavlan-2": "2001:660:4406:582:9:3::5",
+      "kavlan-20": "2001:660:4406:594:9:3::5",
+      "kavlan-21": "2001:660:4406:595:9:3::5",
+      "kavlan-3": "2001:660:4406:583:9:3::5",
+      "kavlan-4": "2001:660:4406:584:9:3::5",
+      "kavlan-5": "2001:660:4406:585:9:3::5",
+      "kavlan-6": "2001:660:4406:586:9:3::5",
+      "kavlan-7": "2001:660:4406:587:9:3::5",
+      "kavlan-8": "2001:660:4406:588:9:3::5",
+      "kavlan-9": "2001:660:4406:589:9:3::5"
+    },
+    "eth4": {
+      "kavlan-1": "2001:660:4406:581:9:4::5",
+      "kavlan-11": "2001:660:4406:58b:9:4::5",
+      "kavlan-12": "2001:660:4406:58c:9:4::5",
+      "kavlan-13": "2001:660:4406:58d:9:4::5",
+      "kavlan-14": "2001:660:4406:58e:9:4::5",
+      "kavlan-16": "2001:660:4406:590:9:4::5",
+      "kavlan-18": "2001:660:4406:592:9:4::5",
+      "kavlan-2": "2001:660:4406:582:9:4::5",
+      "kavlan-20": "2001:660:4406:594:9:4::5",
+      "kavlan-21": "2001:660:4406:595:9:4::5",
+      "kavlan-3": "2001:660:4406:583:9:4::5",
+      "kavlan-4": "2001:660:4406:584:9:4::5",
+      "kavlan-5": "2001:660:4406:585:9:4::5",
+      "kavlan-6": "2001:660:4406:586:9:4::5",
+      "kavlan-7": "2001:660:4406:587:9:4::5",
+      "kavlan-8": "2001:660:4406:588:9:4::5",
+      "kavlan-9": "2001:660:4406:589:9:4::5"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -150,6 +247,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:1::5",
       "kavlan": true,
       "mac": "24:6e:96:02:a0:aa",
       "management": false,
@@ -170,6 +268,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:2::5",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4b:50",
       "management": false,
@@ -190,6 +289,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:3::5",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4b:52",
       "management": false,
@@ -210,6 +310,7 @@
       "enabled": true,
       "firmware_version": "1.67, 0x80000fab, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:4::5",
       "kavlan": true,
       "mac": "24:6e:96:02:a0:ac",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-50.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-50.json
index 68904827e7c255594d95a669a4b57788b269a3f8..d016f172c7f704239cfcf44038c7fca70bb336d5 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-50.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-50.json
@@ -95,6 +95,84 @@
       "kavlan-9": "10.17.73.50"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:9::32",
+      "kavlan-11": "2001:660:4406:58b:9::32",
+      "kavlan-12": "2001:660:4406:58c:9::32",
+      "kavlan-13": "2001:660:4406:58d:9::32",
+      "kavlan-14": "2001:660:4406:58e:9::32",
+      "kavlan-16": "2001:660:4406:590:9::32",
+      "kavlan-18": "2001:660:4406:592:9::32",
+      "kavlan-2": "2001:660:4406:582:9::32",
+      "kavlan-20": "2001:660:4406:594:9::32",
+      "kavlan-21": "2001:660:4406:595:9::32",
+      "kavlan-3": "2001:660:4406:583:9::32",
+      "kavlan-4": "2001:660:4406:584:9::32",
+      "kavlan-5": "2001:660:4406:585:9::32",
+      "kavlan-6": "2001:660:4406:586:9::32",
+      "kavlan-7": "2001:660:4406:587:9::32",
+      "kavlan-8": "2001:660:4406:588:9::32",
+      "kavlan-9": "2001:660:4406:589:9::32"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:9:1::32",
+      "kavlan-11": "2001:660:4406:58b:9:1::32",
+      "kavlan-12": "2001:660:4406:58c:9:1::32",
+      "kavlan-13": "2001:660:4406:58d:9:1::32",
+      "kavlan-14": "2001:660:4406:58e:9:1::32",
+      "kavlan-16": "2001:660:4406:590:9:1::32",
+      "kavlan-18": "2001:660:4406:592:9:1::32",
+      "kavlan-2": "2001:660:4406:582:9:1::32",
+      "kavlan-20": "2001:660:4406:594:9:1::32",
+      "kavlan-21": "2001:660:4406:595:9:1::32",
+      "kavlan-3": "2001:660:4406:583:9:1::32",
+      "kavlan-4": "2001:660:4406:584:9:1::32",
+      "kavlan-5": "2001:660:4406:585:9:1::32",
+      "kavlan-6": "2001:660:4406:586:9:1::32",
+      "kavlan-7": "2001:660:4406:587:9:1::32",
+      "kavlan-8": "2001:660:4406:588:9:1::32",
+      "kavlan-9": "2001:660:4406:589:9:1::32"
+    },
+    "eth2": {
+      "kavlan-1": "2001:660:4406:581:9:2::32",
+      "kavlan-11": "2001:660:4406:58b:9:2::32",
+      "kavlan-12": "2001:660:4406:58c:9:2::32",
+      "kavlan-13": "2001:660:4406:58d:9:2::32",
+      "kavlan-14": "2001:660:4406:58e:9:2::32",
+      "kavlan-16": "2001:660:4406:590:9:2::32",
+      "kavlan-18": "2001:660:4406:592:9:2::32",
+      "kavlan-2": "2001:660:4406:582:9:2::32",
+      "kavlan-20": "2001:660:4406:594:9:2::32",
+      "kavlan-21": "2001:660:4406:595:9:2::32",
+      "kavlan-3": "2001:660:4406:583:9:2::32",
+      "kavlan-4": "2001:660:4406:584:9:2::32",
+      "kavlan-5": "2001:660:4406:585:9:2::32",
+      "kavlan-6": "2001:660:4406:586:9:2::32",
+      "kavlan-7": "2001:660:4406:587:9:2::32",
+      "kavlan-8": "2001:660:4406:588:9:2::32",
+      "kavlan-9": "2001:660:4406:589:9:2::32"
+    },
+    "eth3": {
+      "kavlan-1": "2001:660:4406:581:9:3::32",
+      "kavlan-11": "2001:660:4406:58b:9:3::32",
+      "kavlan-12": "2001:660:4406:58c:9:3::32",
+      "kavlan-13": "2001:660:4406:58d:9:3::32",
+      "kavlan-14": "2001:660:4406:58e:9:3::32",
+      "kavlan-16": "2001:660:4406:590:9:3::32",
+      "kavlan-18": "2001:660:4406:592:9:3::32",
+      "kavlan-2": "2001:660:4406:582:9:3::32",
+      "kavlan-20": "2001:660:4406:594:9:3::32",
+      "kavlan-21": "2001:660:4406:595:9:3::32",
+      "kavlan-3": "2001:660:4406:583:9:3::32",
+      "kavlan-4": "2001:660:4406:584:9:3::32",
+      "kavlan-5": "2001:660:4406:585:9:3::32",
+      "kavlan-6": "2001:660:4406:586:9:3::32",
+      "kavlan-7": "2001:660:4406:587:9:3::32",
+      "kavlan-8": "2001:660:4406:588:9:3::32",
+      "kavlan-9": "2001:660:4406:589:9:3::32"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -131,6 +209,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:1::32",
       "kavlan": true,
       "mac": "e4:43:4b:1f:c1:ca",
       "management": false,
@@ -151,6 +230,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:2::32",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4c:24",
       "management": false,
@@ -171,6 +251,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:3::32",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4c:26",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-51.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-51.json
index eb83e92c7c29f8d0d02c7e210abbe5f864e509d2..9244f229798ada74be07f4b8e97461436cacc51e 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-51.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-51.json
@@ -95,6 +95,84 @@
       "kavlan-9": "10.17.73.51"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:9::33",
+      "kavlan-11": "2001:660:4406:58b:9::33",
+      "kavlan-12": "2001:660:4406:58c:9::33",
+      "kavlan-13": "2001:660:4406:58d:9::33",
+      "kavlan-14": "2001:660:4406:58e:9::33",
+      "kavlan-16": "2001:660:4406:590:9::33",
+      "kavlan-18": "2001:660:4406:592:9::33",
+      "kavlan-2": "2001:660:4406:582:9::33",
+      "kavlan-20": "2001:660:4406:594:9::33",
+      "kavlan-21": "2001:660:4406:595:9::33",
+      "kavlan-3": "2001:660:4406:583:9::33",
+      "kavlan-4": "2001:660:4406:584:9::33",
+      "kavlan-5": "2001:660:4406:585:9::33",
+      "kavlan-6": "2001:660:4406:586:9::33",
+      "kavlan-7": "2001:660:4406:587:9::33",
+      "kavlan-8": "2001:660:4406:588:9::33",
+      "kavlan-9": "2001:660:4406:589:9::33"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:9:1::33",
+      "kavlan-11": "2001:660:4406:58b:9:1::33",
+      "kavlan-12": "2001:660:4406:58c:9:1::33",
+      "kavlan-13": "2001:660:4406:58d:9:1::33",
+      "kavlan-14": "2001:660:4406:58e:9:1::33",
+      "kavlan-16": "2001:660:4406:590:9:1::33",
+      "kavlan-18": "2001:660:4406:592:9:1::33",
+      "kavlan-2": "2001:660:4406:582:9:1::33",
+      "kavlan-20": "2001:660:4406:594:9:1::33",
+      "kavlan-21": "2001:660:4406:595:9:1::33",
+      "kavlan-3": "2001:660:4406:583:9:1::33",
+      "kavlan-4": "2001:660:4406:584:9:1::33",
+      "kavlan-5": "2001:660:4406:585:9:1::33",
+      "kavlan-6": "2001:660:4406:586:9:1::33",
+      "kavlan-7": "2001:660:4406:587:9:1::33",
+      "kavlan-8": "2001:660:4406:588:9:1::33",
+      "kavlan-9": "2001:660:4406:589:9:1::33"
+    },
+    "eth2": {
+      "kavlan-1": "2001:660:4406:581:9:2::33",
+      "kavlan-11": "2001:660:4406:58b:9:2::33",
+      "kavlan-12": "2001:660:4406:58c:9:2::33",
+      "kavlan-13": "2001:660:4406:58d:9:2::33",
+      "kavlan-14": "2001:660:4406:58e:9:2::33",
+      "kavlan-16": "2001:660:4406:590:9:2::33",
+      "kavlan-18": "2001:660:4406:592:9:2::33",
+      "kavlan-2": "2001:660:4406:582:9:2::33",
+      "kavlan-20": "2001:660:4406:594:9:2::33",
+      "kavlan-21": "2001:660:4406:595:9:2::33",
+      "kavlan-3": "2001:660:4406:583:9:2::33",
+      "kavlan-4": "2001:660:4406:584:9:2::33",
+      "kavlan-5": "2001:660:4406:585:9:2::33",
+      "kavlan-6": "2001:660:4406:586:9:2::33",
+      "kavlan-7": "2001:660:4406:587:9:2::33",
+      "kavlan-8": "2001:660:4406:588:9:2::33",
+      "kavlan-9": "2001:660:4406:589:9:2::33"
+    },
+    "eth3": {
+      "kavlan-1": "2001:660:4406:581:9:3::33",
+      "kavlan-11": "2001:660:4406:58b:9:3::33",
+      "kavlan-12": "2001:660:4406:58c:9:3::33",
+      "kavlan-13": "2001:660:4406:58d:9:3::33",
+      "kavlan-14": "2001:660:4406:58e:9:3::33",
+      "kavlan-16": "2001:660:4406:590:9:3::33",
+      "kavlan-18": "2001:660:4406:592:9:3::33",
+      "kavlan-2": "2001:660:4406:582:9:3::33",
+      "kavlan-20": "2001:660:4406:594:9:3::33",
+      "kavlan-21": "2001:660:4406:595:9:3::33",
+      "kavlan-3": "2001:660:4406:583:9:3::33",
+      "kavlan-4": "2001:660:4406:584:9:3::33",
+      "kavlan-5": "2001:660:4406:585:9:3::33",
+      "kavlan-6": "2001:660:4406:586:9:3::33",
+      "kavlan-7": "2001:660:4406:587:9:3::33",
+      "kavlan-8": "2001:660:4406:588:9:3::33",
+      "kavlan-9": "2001:660:4406:589:9:3::33"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -131,6 +209,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:1::33",
       "kavlan": true,
       "mac": "24:6e:96:03:24:22",
       "management": false,
@@ -151,6 +230,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:2::33",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4c:e8",
       "management": false,
@@ -171,6 +251,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:3::33",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4c:ea",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-6.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-6.json
index 49be81f0687fc4a3d59c1f628f6271dd69c94b44..661bf169fe84c960369eea61c9bf771e040af78f 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-6.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-6.json
@@ -114,6 +114,103 @@
       "kavlan-9": "10.17.73.106"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:9::6",
+      "kavlan-11": "2001:660:4406:58b:9::6",
+      "kavlan-12": "2001:660:4406:58c:9::6",
+      "kavlan-13": "2001:660:4406:58d:9::6",
+      "kavlan-14": "2001:660:4406:58e:9::6",
+      "kavlan-16": "2001:660:4406:590:9::6",
+      "kavlan-18": "2001:660:4406:592:9::6",
+      "kavlan-2": "2001:660:4406:582:9::6",
+      "kavlan-20": "2001:660:4406:594:9::6",
+      "kavlan-21": "2001:660:4406:595:9::6",
+      "kavlan-3": "2001:660:4406:583:9::6",
+      "kavlan-4": "2001:660:4406:584:9::6",
+      "kavlan-5": "2001:660:4406:585:9::6",
+      "kavlan-6": "2001:660:4406:586:9::6",
+      "kavlan-7": "2001:660:4406:587:9::6",
+      "kavlan-8": "2001:660:4406:588:9::6",
+      "kavlan-9": "2001:660:4406:589:9::6"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:9:1::6",
+      "kavlan-11": "2001:660:4406:58b:9:1::6",
+      "kavlan-12": "2001:660:4406:58c:9:1::6",
+      "kavlan-13": "2001:660:4406:58d:9:1::6",
+      "kavlan-14": "2001:660:4406:58e:9:1::6",
+      "kavlan-16": "2001:660:4406:590:9:1::6",
+      "kavlan-18": "2001:660:4406:592:9:1::6",
+      "kavlan-2": "2001:660:4406:582:9:1::6",
+      "kavlan-20": "2001:660:4406:594:9:1::6",
+      "kavlan-21": "2001:660:4406:595:9:1::6",
+      "kavlan-3": "2001:660:4406:583:9:1::6",
+      "kavlan-4": "2001:660:4406:584:9:1::6",
+      "kavlan-5": "2001:660:4406:585:9:1::6",
+      "kavlan-6": "2001:660:4406:586:9:1::6",
+      "kavlan-7": "2001:660:4406:587:9:1::6",
+      "kavlan-8": "2001:660:4406:588:9:1::6",
+      "kavlan-9": "2001:660:4406:589:9:1::6"
+    },
+    "eth2": {
+      "kavlan-1": "2001:660:4406:581:9:2::6",
+      "kavlan-11": "2001:660:4406:58b:9:2::6",
+      "kavlan-12": "2001:660:4406:58c:9:2::6",
+      "kavlan-13": "2001:660:4406:58d:9:2::6",
+      "kavlan-14": "2001:660:4406:58e:9:2::6",
+      "kavlan-16": "2001:660:4406:590:9:2::6",
+      "kavlan-18": "2001:660:4406:592:9:2::6",
+      "kavlan-2": "2001:660:4406:582:9:2::6",
+      "kavlan-20": "2001:660:4406:594:9:2::6",
+      "kavlan-21": "2001:660:4406:595:9:2::6",
+      "kavlan-3": "2001:660:4406:583:9:2::6",
+      "kavlan-4": "2001:660:4406:584:9:2::6",
+      "kavlan-5": "2001:660:4406:585:9:2::6",
+      "kavlan-6": "2001:660:4406:586:9:2::6",
+      "kavlan-7": "2001:660:4406:587:9:2::6",
+      "kavlan-8": "2001:660:4406:588:9:2::6",
+      "kavlan-9": "2001:660:4406:589:9:2::6"
+    },
+    "eth3": {
+      "kavlan-1": "2001:660:4406:581:9:3::6",
+      "kavlan-11": "2001:660:4406:58b:9:3::6",
+      "kavlan-12": "2001:660:4406:58c:9:3::6",
+      "kavlan-13": "2001:660:4406:58d:9:3::6",
+      "kavlan-14": "2001:660:4406:58e:9:3::6",
+      "kavlan-16": "2001:660:4406:590:9:3::6",
+      "kavlan-18": "2001:660:4406:592:9:3::6",
+      "kavlan-2": "2001:660:4406:582:9:3::6",
+      "kavlan-20": "2001:660:4406:594:9:3::6",
+      "kavlan-21": "2001:660:4406:595:9:3::6",
+      "kavlan-3": "2001:660:4406:583:9:3::6",
+      "kavlan-4": "2001:660:4406:584:9:3::6",
+      "kavlan-5": "2001:660:4406:585:9:3::6",
+      "kavlan-6": "2001:660:4406:586:9:3::6",
+      "kavlan-7": "2001:660:4406:587:9:3::6",
+      "kavlan-8": "2001:660:4406:588:9:3::6",
+      "kavlan-9": "2001:660:4406:589:9:3::6"
+    },
+    "eth4": {
+      "kavlan-1": "2001:660:4406:581:9:4::6",
+      "kavlan-11": "2001:660:4406:58b:9:4::6",
+      "kavlan-12": "2001:660:4406:58c:9:4::6",
+      "kavlan-13": "2001:660:4406:58d:9:4::6",
+      "kavlan-14": "2001:660:4406:58e:9:4::6",
+      "kavlan-16": "2001:660:4406:590:9:4::6",
+      "kavlan-18": "2001:660:4406:592:9:4::6",
+      "kavlan-2": "2001:660:4406:582:9:4::6",
+      "kavlan-20": "2001:660:4406:594:9:4::6",
+      "kavlan-21": "2001:660:4406:595:9:4::6",
+      "kavlan-3": "2001:660:4406:583:9:4::6",
+      "kavlan-4": "2001:660:4406:584:9:4::6",
+      "kavlan-5": "2001:660:4406:585:9:4::6",
+      "kavlan-6": "2001:660:4406:586:9:4::6",
+      "kavlan-7": "2001:660:4406:587:9:4::6",
+      "kavlan-8": "2001:660:4406:588:9:4::6",
+      "kavlan-9": "2001:660:4406:589:9:4::6"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -150,6 +247,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:1::6",
       "kavlan": true,
       "mac": "24:6e:96:03:0a:32",
       "management": false,
@@ -170,6 +268,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:2::6",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4b:b8",
       "management": false,
@@ -190,6 +289,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:3::6",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4b:ba",
       "management": false,
@@ -210,6 +310,7 @@
       "enabled": true,
       "firmware_version": "1.67, 0x80000fab, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:4::6",
       "kavlan": true,
       "mac": "24:6e:96:03:0a:34",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-7.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-7.json
index 0434aef45ad6b63aad5c995539ffeced25990682..2a373473d69e9ea01694c43088951bca3639c037 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-7.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-7.json
@@ -114,6 +114,103 @@
       "kavlan-9": "10.17.73.107"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:9::7",
+      "kavlan-11": "2001:660:4406:58b:9::7",
+      "kavlan-12": "2001:660:4406:58c:9::7",
+      "kavlan-13": "2001:660:4406:58d:9::7",
+      "kavlan-14": "2001:660:4406:58e:9::7",
+      "kavlan-16": "2001:660:4406:590:9::7",
+      "kavlan-18": "2001:660:4406:592:9::7",
+      "kavlan-2": "2001:660:4406:582:9::7",
+      "kavlan-20": "2001:660:4406:594:9::7",
+      "kavlan-21": "2001:660:4406:595:9::7",
+      "kavlan-3": "2001:660:4406:583:9::7",
+      "kavlan-4": "2001:660:4406:584:9::7",
+      "kavlan-5": "2001:660:4406:585:9::7",
+      "kavlan-6": "2001:660:4406:586:9::7",
+      "kavlan-7": "2001:660:4406:587:9::7",
+      "kavlan-8": "2001:660:4406:588:9::7",
+      "kavlan-9": "2001:660:4406:589:9::7"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:9:1::7",
+      "kavlan-11": "2001:660:4406:58b:9:1::7",
+      "kavlan-12": "2001:660:4406:58c:9:1::7",
+      "kavlan-13": "2001:660:4406:58d:9:1::7",
+      "kavlan-14": "2001:660:4406:58e:9:1::7",
+      "kavlan-16": "2001:660:4406:590:9:1::7",
+      "kavlan-18": "2001:660:4406:592:9:1::7",
+      "kavlan-2": "2001:660:4406:582:9:1::7",
+      "kavlan-20": "2001:660:4406:594:9:1::7",
+      "kavlan-21": "2001:660:4406:595:9:1::7",
+      "kavlan-3": "2001:660:4406:583:9:1::7",
+      "kavlan-4": "2001:660:4406:584:9:1::7",
+      "kavlan-5": "2001:660:4406:585:9:1::7",
+      "kavlan-6": "2001:660:4406:586:9:1::7",
+      "kavlan-7": "2001:660:4406:587:9:1::7",
+      "kavlan-8": "2001:660:4406:588:9:1::7",
+      "kavlan-9": "2001:660:4406:589:9:1::7"
+    },
+    "eth2": {
+      "kavlan-1": "2001:660:4406:581:9:2::7",
+      "kavlan-11": "2001:660:4406:58b:9:2::7",
+      "kavlan-12": "2001:660:4406:58c:9:2::7",
+      "kavlan-13": "2001:660:4406:58d:9:2::7",
+      "kavlan-14": "2001:660:4406:58e:9:2::7",
+      "kavlan-16": "2001:660:4406:590:9:2::7",
+      "kavlan-18": "2001:660:4406:592:9:2::7",
+      "kavlan-2": "2001:660:4406:582:9:2::7",
+      "kavlan-20": "2001:660:4406:594:9:2::7",
+      "kavlan-21": "2001:660:4406:595:9:2::7",
+      "kavlan-3": "2001:660:4406:583:9:2::7",
+      "kavlan-4": "2001:660:4406:584:9:2::7",
+      "kavlan-5": "2001:660:4406:585:9:2::7",
+      "kavlan-6": "2001:660:4406:586:9:2::7",
+      "kavlan-7": "2001:660:4406:587:9:2::7",
+      "kavlan-8": "2001:660:4406:588:9:2::7",
+      "kavlan-9": "2001:660:4406:589:9:2::7"
+    },
+    "eth3": {
+      "kavlan-1": "2001:660:4406:581:9:3::7",
+      "kavlan-11": "2001:660:4406:58b:9:3::7",
+      "kavlan-12": "2001:660:4406:58c:9:3::7",
+      "kavlan-13": "2001:660:4406:58d:9:3::7",
+      "kavlan-14": "2001:660:4406:58e:9:3::7",
+      "kavlan-16": "2001:660:4406:590:9:3::7",
+      "kavlan-18": "2001:660:4406:592:9:3::7",
+      "kavlan-2": "2001:660:4406:582:9:3::7",
+      "kavlan-20": "2001:660:4406:594:9:3::7",
+      "kavlan-21": "2001:660:4406:595:9:3::7",
+      "kavlan-3": "2001:660:4406:583:9:3::7",
+      "kavlan-4": "2001:660:4406:584:9:3::7",
+      "kavlan-5": "2001:660:4406:585:9:3::7",
+      "kavlan-6": "2001:660:4406:586:9:3::7",
+      "kavlan-7": "2001:660:4406:587:9:3::7",
+      "kavlan-8": "2001:660:4406:588:9:3::7",
+      "kavlan-9": "2001:660:4406:589:9:3::7"
+    },
+    "eth4": {
+      "kavlan-1": "2001:660:4406:581:9:4::7",
+      "kavlan-11": "2001:660:4406:58b:9:4::7",
+      "kavlan-12": "2001:660:4406:58c:9:4::7",
+      "kavlan-13": "2001:660:4406:58d:9:4::7",
+      "kavlan-14": "2001:660:4406:58e:9:4::7",
+      "kavlan-16": "2001:660:4406:590:9:4::7",
+      "kavlan-18": "2001:660:4406:592:9:4::7",
+      "kavlan-2": "2001:660:4406:582:9:4::7",
+      "kavlan-20": "2001:660:4406:594:9:4::7",
+      "kavlan-21": "2001:660:4406:595:9:4::7",
+      "kavlan-3": "2001:660:4406:583:9:4::7",
+      "kavlan-4": "2001:660:4406:584:9:4::7",
+      "kavlan-5": "2001:660:4406:585:9:4::7",
+      "kavlan-6": "2001:660:4406:586:9:4::7",
+      "kavlan-7": "2001:660:4406:587:9:4::7",
+      "kavlan-8": "2001:660:4406:588:9:4::7",
+      "kavlan-9": "2001:660:4406:589:9:4::7"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -150,6 +247,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:1::7",
       "kavlan": true,
       "mac": "24:6e:96:03:10:5a",
       "management": false,
@@ -170,6 +268,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:2::7",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4b:ac",
       "management": false,
@@ -190,6 +289,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:3::7",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4b:ae",
       "management": false,
@@ -210,6 +310,7 @@
       "enabled": true,
       "firmware_version": "1.67, 0x80000fab, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:4::7",
       "kavlan": true,
       "mac": "24:6e:96:03:10:5c",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-8.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-8.json
index 78ed2daf4e30bd405a3d4ef1a355520ee2554c25..d47f796b80ab9e79d00ec5f7ef902a2a3e90b436 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-8.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-8.json
@@ -114,6 +114,103 @@
       "kavlan-9": "10.17.73.108"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:9::8",
+      "kavlan-11": "2001:660:4406:58b:9::8",
+      "kavlan-12": "2001:660:4406:58c:9::8",
+      "kavlan-13": "2001:660:4406:58d:9::8",
+      "kavlan-14": "2001:660:4406:58e:9::8",
+      "kavlan-16": "2001:660:4406:590:9::8",
+      "kavlan-18": "2001:660:4406:592:9::8",
+      "kavlan-2": "2001:660:4406:582:9::8",
+      "kavlan-20": "2001:660:4406:594:9::8",
+      "kavlan-21": "2001:660:4406:595:9::8",
+      "kavlan-3": "2001:660:4406:583:9::8",
+      "kavlan-4": "2001:660:4406:584:9::8",
+      "kavlan-5": "2001:660:4406:585:9::8",
+      "kavlan-6": "2001:660:4406:586:9::8",
+      "kavlan-7": "2001:660:4406:587:9::8",
+      "kavlan-8": "2001:660:4406:588:9::8",
+      "kavlan-9": "2001:660:4406:589:9::8"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:9:1::8",
+      "kavlan-11": "2001:660:4406:58b:9:1::8",
+      "kavlan-12": "2001:660:4406:58c:9:1::8",
+      "kavlan-13": "2001:660:4406:58d:9:1::8",
+      "kavlan-14": "2001:660:4406:58e:9:1::8",
+      "kavlan-16": "2001:660:4406:590:9:1::8",
+      "kavlan-18": "2001:660:4406:592:9:1::8",
+      "kavlan-2": "2001:660:4406:582:9:1::8",
+      "kavlan-20": "2001:660:4406:594:9:1::8",
+      "kavlan-21": "2001:660:4406:595:9:1::8",
+      "kavlan-3": "2001:660:4406:583:9:1::8",
+      "kavlan-4": "2001:660:4406:584:9:1::8",
+      "kavlan-5": "2001:660:4406:585:9:1::8",
+      "kavlan-6": "2001:660:4406:586:9:1::8",
+      "kavlan-7": "2001:660:4406:587:9:1::8",
+      "kavlan-8": "2001:660:4406:588:9:1::8",
+      "kavlan-9": "2001:660:4406:589:9:1::8"
+    },
+    "eth2": {
+      "kavlan-1": "2001:660:4406:581:9:2::8",
+      "kavlan-11": "2001:660:4406:58b:9:2::8",
+      "kavlan-12": "2001:660:4406:58c:9:2::8",
+      "kavlan-13": "2001:660:4406:58d:9:2::8",
+      "kavlan-14": "2001:660:4406:58e:9:2::8",
+      "kavlan-16": "2001:660:4406:590:9:2::8",
+      "kavlan-18": "2001:660:4406:592:9:2::8",
+      "kavlan-2": "2001:660:4406:582:9:2::8",
+      "kavlan-20": "2001:660:4406:594:9:2::8",
+      "kavlan-21": "2001:660:4406:595:9:2::8",
+      "kavlan-3": "2001:660:4406:583:9:2::8",
+      "kavlan-4": "2001:660:4406:584:9:2::8",
+      "kavlan-5": "2001:660:4406:585:9:2::8",
+      "kavlan-6": "2001:660:4406:586:9:2::8",
+      "kavlan-7": "2001:660:4406:587:9:2::8",
+      "kavlan-8": "2001:660:4406:588:9:2::8",
+      "kavlan-9": "2001:660:4406:589:9:2::8"
+    },
+    "eth3": {
+      "kavlan-1": "2001:660:4406:581:9:3::8",
+      "kavlan-11": "2001:660:4406:58b:9:3::8",
+      "kavlan-12": "2001:660:4406:58c:9:3::8",
+      "kavlan-13": "2001:660:4406:58d:9:3::8",
+      "kavlan-14": "2001:660:4406:58e:9:3::8",
+      "kavlan-16": "2001:660:4406:590:9:3::8",
+      "kavlan-18": "2001:660:4406:592:9:3::8",
+      "kavlan-2": "2001:660:4406:582:9:3::8",
+      "kavlan-20": "2001:660:4406:594:9:3::8",
+      "kavlan-21": "2001:660:4406:595:9:3::8",
+      "kavlan-3": "2001:660:4406:583:9:3::8",
+      "kavlan-4": "2001:660:4406:584:9:3::8",
+      "kavlan-5": "2001:660:4406:585:9:3::8",
+      "kavlan-6": "2001:660:4406:586:9:3::8",
+      "kavlan-7": "2001:660:4406:587:9:3::8",
+      "kavlan-8": "2001:660:4406:588:9:3::8",
+      "kavlan-9": "2001:660:4406:589:9:3::8"
+    },
+    "eth4": {
+      "kavlan-1": "2001:660:4406:581:9:4::8",
+      "kavlan-11": "2001:660:4406:58b:9:4::8",
+      "kavlan-12": "2001:660:4406:58c:9:4::8",
+      "kavlan-13": "2001:660:4406:58d:9:4::8",
+      "kavlan-14": "2001:660:4406:58e:9:4::8",
+      "kavlan-16": "2001:660:4406:590:9:4::8",
+      "kavlan-18": "2001:660:4406:592:9:4::8",
+      "kavlan-2": "2001:660:4406:582:9:4::8",
+      "kavlan-20": "2001:660:4406:594:9:4::8",
+      "kavlan-21": "2001:660:4406:595:9:4::8",
+      "kavlan-3": "2001:660:4406:583:9:4::8",
+      "kavlan-4": "2001:660:4406:584:9:4::8",
+      "kavlan-5": "2001:660:4406:585:9:4::8",
+      "kavlan-6": "2001:660:4406:586:9:4::8",
+      "kavlan-7": "2001:660:4406:587:9:4::8",
+      "kavlan-8": "2001:660:4406:588:9:4::8",
+      "kavlan-9": "2001:660:4406:589:9:4::8"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -150,6 +247,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:1::8",
       "kavlan": true,
       "mac": "24:6e:96:03:11:ba",
       "management": false,
@@ -170,6 +268,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:2::8",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4d:d0",
       "management": false,
@@ -190,6 +289,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:3::8",
       "kavlan": true,
       "mac": "a0:36:9f:7e:4d:d2",
       "management": false,
@@ -210,6 +310,7 @@
       "enabled": true,
       "firmware_version": "1.67, 0x80000fab, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:4::8",
       "kavlan": true,
       "mac": "24:6e:96:03:11:bc",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-9.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-9.json
index d7dc723f201c6f6e73b416d32e7c1fe8ccd4f854..3cdfaf7c4d863c90cf87b81238c746beae21bca7 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-9.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-9.json
@@ -114,6 +114,103 @@
       "kavlan-9": "10.17.73.109"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:9::9",
+      "kavlan-11": "2001:660:4406:58b:9::9",
+      "kavlan-12": "2001:660:4406:58c:9::9",
+      "kavlan-13": "2001:660:4406:58d:9::9",
+      "kavlan-14": "2001:660:4406:58e:9::9",
+      "kavlan-16": "2001:660:4406:590:9::9",
+      "kavlan-18": "2001:660:4406:592:9::9",
+      "kavlan-2": "2001:660:4406:582:9::9",
+      "kavlan-20": "2001:660:4406:594:9::9",
+      "kavlan-21": "2001:660:4406:595:9::9",
+      "kavlan-3": "2001:660:4406:583:9::9",
+      "kavlan-4": "2001:660:4406:584:9::9",
+      "kavlan-5": "2001:660:4406:585:9::9",
+      "kavlan-6": "2001:660:4406:586:9::9",
+      "kavlan-7": "2001:660:4406:587:9::9",
+      "kavlan-8": "2001:660:4406:588:9::9",
+      "kavlan-9": "2001:660:4406:589:9::9"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:9:1::9",
+      "kavlan-11": "2001:660:4406:58b:9:1::9",
+      "kavlan-12": "2001:660:4406:58c:9:1::9",
+      "kavlan-13": "2001:660:4406:58d:9:1::9",
+      "kavlan-14": "2001:660:4406:58e:9:1::9",
+      "kavlan-16": "2001:660:4406:590:9:1::9",
+      "kavlan-18": "2001:660:4406:592:9:1::9",
+      "kavlan-2": "2001:660:4406:582:9:1::9",
+      "kavlan-20": "2001:660:4406:594:9:1::9",
+      "kavlan-21": "2001:660:4406:595:9:1::9",
+      "kavlan-3": "2001:660:4406:583:9:1::9",
+      "kavlan-4": "2001:660:4406:584:9:1::9",
+      "kavlan-5": "2001:660:4406:585:9:1::9",
+      "kavlan-6": "2001:660:4406:586:9:1::9",
+      "kavlan-7": "2001:660:4406:587:9:1::9",
+      "kavlan-8": "2001:660:4406:588:9:1::9",
+      "kavlan-9": "2001:660:4406:589:9:1::9"
+    },
+    "eth2": {
+      "kavlan-1": "2001:660:4406:581:9:2::9",
+      "kavlan-11": "2001:660:4406:58b:9:2::9",
+      "kavlan-12": "2001:660:4406:58c:9:2::9",
+      "kavlan-13": "2001:660:4406:58d:9:2::9",
+      "kavlan-14": "2001:660:4406:58e:9:2::9",
+      "kavlan-16": "2001:660:4406:590:9:2::9",
+      "kavlan-18": "2001:660:4406:592:9:2::9",
+      "kavlan-2": "2001:660:4406:582:9:2::9",
+      "kavlan-20": "2001:660:4406:594:9:2::9",
+      "kavlan-21": "2001:660:4406:595:9:2::9",
+      "kavlan-3": "2001:660:4406:583:9:2::9",
+      "kavlan-4": "2001:660:4406:584:9:2::9",
+      "kavlan-5": "2001:660:4406:585:9:2::9",
+      "kavlan-6": "2001:660:4406:586:9:2::9",
+      "kavlan-7": "2001:660:4406:587:9:2::9",
+      "kavlan-8": "2001:660:4406:588:9:2::9",
+      "kavlan-9": "2001:660:4406:589:9:2::9"
+    },
+    "eth3": {
+      "kavlan-1": "2001:660:4406:581:9:3::9",
+      "kavlan-11": "2001:660:4406:58b:9:3::9",
+      "kavlan-12": "2001:660:4406:58c:9:3::9",
+      "kavlan-13": "2001:660:4406:58d:9:3::9",
+      "kavlan-14": "2001:660:4406:58e:9:3::9",
+      "kavlan-16": "2001:660:4406:590:9:3::9",
+      "kavlan-18": "2001:660:4406:592:9:3::9",
+      "kavlan-2": "2001:660:4406:582:9:3::9",
+      "kavlan-20": "2001:660:4406:594:9:3::9",
+      "kavlan-21": "2001:660:4406:595:9:3::9",
+      "kavlan-3": "2001:660:4406:583:9:3::9",
+      "kavlan-4": "2001:660:4406:584:9:3::9",
+      "kavlan-5": "2001:660:4406:585:9:3::9",
+      "kavlan-6": "2001:660:4406:586:9:3::9",
+      "kavlan-7": "2001:660:4406:587:9:3::9",
+      "kavlan-8": "2001:660:4406:588:9:3::9",
+      "kavlan-9": "2001:660:4406:589:9:3::9"
+    },
+    "eth4": {
+      "kavlan-1": "2001:660:4406:581:9:4::9",
+      "kavlan-11": "2001:660:4406:58b:9:4::9",
+      "kavlan-12": "2001:660:4406:58c:9:4::9",
+      "kavlan-13": "2001:660:4406:58d:9:4::9",
+      "kavlan-14": "2001:660:4406:58e:9:4::9",
+      "kavlan-16": "2001:660:4406:590:9:4::9",
+      "kavlan-18": "2001:660:4406:592:9:4::9",
+      "kavlan-2": "2001:660:4406:582:9:4::9",
+      "kavlan-20": "2001:660:4406:594:9:4::9",
+      "kavlan-21": "2001:660:4406:595:9:4::9",
+      "kavlan-3": "2001:660:4406:583:9:4::9",
+      "kavlan-4": "2001:660:4406:584:9:4::9",
+      "kavlan-5": "2001:660:4406:585:9:4::9",
+      "kavlan-6": "2001:660:4406:586:9:4::9",
+      "kavlan-7": "2001:660:4406:587:9:4::9",
+      "kavlan-8": "2001:660:4406:588:9:4::9",
+      "kavlan-9": "2001:660:4406:589:9:4::9"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -150,6 +247,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:1::9",
       "kavlan": true,
       "mac": "24:6e:96:02:97:aa",
       "management": false,
@@ -170,6 +268,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:2::9",
       "kavlan": true,
       "mac": "a0:36:9f:7f:34:a8",
       "management": false,
@@ -190,6 +289,7 @@
       "enabled": true,
       "firmware_version": "0x8000095d, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:3::9",
       "kavlan": true,
       "mac": "a0:36:9f:7f:34:aa",
       "management": false,
@@ -210,6 +310,7 @@
       "enabled": true,
       "firmware_version": "1.67, 0x80000fab, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:9:4::9",
       "kavlan": true,
       "mac": "24:6e:96:02:97:ac",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-1.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-1.json
index a6c6bbd1a6d4d329e3fe44fe1bdf71606366485c..c1c351ce5014b6904395c2d7ba8ca6087e1737be 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-1.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-1.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.1"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::1",
+      "kavlan-11": "2001:660:4406:58b:3::1",
+      "kavlan-12": "2001:660:4406:58c:3::1",
+      "kavlan-13": "2001:660:4406:58d:3::1",
+      "kavlan-14": "2001:660:4406:58e:3::1",
+      "kavlan-16": "2001:660:4406:590:3::1",
+      "kavlan-18": "2001:660:4406:592:3::1",
+      "kavlan-2": "2001:660:4406:582:3::1",
+      "kavlan-20": "2001:660:4406:594:3::1",
+      "kavlan-21": "2001:660:4406:595:3::1",
+      "kavlan-3": "2001:660:4406:583:3::1",
+      "kavlan-4": "2001:660:4406:584:3::1",
+      "kavlan-5": "2001:660:4406:585:3::1",
+      "kavlan-6": "2001:660:4406:586:3::1",
+      "kavlan-7": "2001:660:4406:587:3::1",
+      "kavlan-8": "2001:660:4406:588:3::1",
+      "kavlan-9": "2001:660:4406:589:3::1"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::1",
+      "kavlan-11": "2001:660:4406:58b:3:1::1",
+      "kavlan-12": "2001:660:4406:58c:3:1::1",
+      "kavlan-13": "2001:660:4406:58d:3:1::1",
+      "kavlan-14": "2001:660:4406:58e:3:1::1",
+      "kavlan-16": "2001:660:4406:590:3:1::1",
+      "kavlan-18": "2001:660:4406:592:3:1::1",
+      "kavlan-2": "2001:660:4406:582:3:1::1",
+      "kavlan-20": "2001:660:4406:594:3:1::1",
+      "kavlan-21": "2001:660:4406:595:3:1::1",
+      "kavlan-3": "2001:660:4406:583:3:1::1",
+      "kavlan-4": "2001:660:4406:584:3:1::1",
+      "kavlan-5": "2001:660:4406:585:3:1::1",
+      "kavlan-6": "2001:660:4406:586:3:1::1",
+      "kavlan-7": "2001:660:4406:587:3:1::1",
+      "kavlan-8": "2001:660:4406:588:3:1::1",
+      "kavlan-9": "2001:660:4406:589:3:1::1"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::1",
       "kavlan": true,
       "mac": "98:03:9b:b0:bb:37",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-10.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-10.json
index 831a9d53dfe43a941bcaad4d4c35550424c4ea3f..30fc61d9fbd0523916e5ec900e43328e74e66bbd 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-10.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-10.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.10"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::a",
+      "kavlan-11": "2001:660:4406:58b:3::a",
+      "kavlan-12": "2001:660:4406:58c:3::a",
+      "kavlan-13": "2001:660:4406:58d:3::a",
+      "kavlan-14": "2001:660:4406:58e:3::a",
+      "kavlan-16": "2001:660:4406:590:3::a",
+      "kavlan-18": "2001:660:4406:592:3::a",
+      "kavlan-2": "2001:660:4406:582:3::a",
+      "kavlan-20": "2001:660:4406:594:3::a",
+      "kavlan-21": "2001:660:4406:595:3::a",
+      "kavlan-3": "2001:660:4406:583:3::a",
+      "kavlan-4": "2001:660:4406:584:3::a",
+      "kavlan-5": "2001:660:4406:585:3::a",
+      "kavlan-6": "2001:660:4406:586:3::a",
+      "kavlan-7": "2001:660:4406:587:3::a",
+      "kavlan-8": "2001:660:4406:588:3::a",
+      "kavlan-9": "2001:660:4406:589:3::a"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::a",
+      "kavlan-11": "2001:660:4406:58b:3:1::a",
+      "kavlan-12": "2001:660:4406:58c:3:1::a",
+      "kavlan-13": "2001:660:4406:58d:3:1::a",
+      "kavlan-14": "2001:660:4406:58e:3:1::a",
+      "kavlan-16": "2001:660:4406:590:3:1::a",
+      "kavlan-18": "2001:660:4406:592:3:1::a",
+      "kavlan-2": "2001:660:4406:582:3:1::a",
+      "kavlan-20": "2001:660:4406:594:3:1::a",
+      "kavlan-21": "2001:660:4406:595:3:1::a",
+      "kavlan-3": "2001:660:4406:583:3:1::a",
+      "kavlan-4": "2001:660:4406:584:3:1::a",
+      "kavlan-5": "2001:660:4406:585:3:1::a",
+      "kavlan-6": "2001:660:4406:586:3:1::a",
+      "kavlan-7": "2001:660:4406:587:3:1::a",
+      "kavlan-8": "2001:660:4406:588:3:1::a",
+      "kavlan-9": "2001:660:4406:589:3:1::a"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::a",
       "kavlan": true,
       "mac": "98:03:9b:b0:b6:c7",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-100.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-100.json
index 3ad575988f6e4acaec7e7b996878707e00c1d19e..8525dd3b72dbd29acf3173cd32fdb876b6db5f3c 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-100.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-100.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.100"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::64",
+      "kavlan-11": "2001:660:4406:58b:3::64",
+      "kavlan-12": "2001:660:4406:58c:3::64",
+      "kavlan-13": "2001:660:4406:58d:3::64",
+      "kavlan-14": "2001:660:4406:58e:3::64",
+      "kavlan-16": "2001:660:4406:590:3::64",
+      "kavlan-18": "2001:660:4406:592:3::64",
+      "kavlan-2": "2001:660:4406:582:3::64",
+      "kavlan-20": "2001:660:4406:594:3::64",
+      "kavlan-21": "2001:660:4406:595:3::64",
+      "kavlan-3": "2001:660:4406:583:3::64",
+      "kavlan-4": "2001:660:4406:584:3::64",
+      "kavlan-5": "2001:660:4406:585:3::64",
+      "kavlan-6": "2001:660:4406:586:3::64",
+      "kavlan-7": "2001:660:4406:587:3::64",
+      "kavlan-8": "2001:660:4406:588:3::64",
+      "kavlan-9": "2001:660:4406:589:3::64"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::64",
+      "kavlan-11": "2001:660:4406:58b:3:1::64",
+      "kavlan-12": "2001:660:4406:58c:3:1::64",
+      "kavlan-13": "2001:660:4406:58d:3:1::64",
+      "kavlan-14": "2001:660:4406:58e:3:1::64",
+      "kavlan-16": "2001:660:4406:590:3:1::64",
+      "kavlan-18": "2001:660:4406:592:3:1::64",
+      "kavlan-2": "2001:660:4406:582:3:1::64",
+      "kavlan-20": "2001:660:4406:594:3:1::64",
+      "kavlan-21": "2001:660:4406:595:3:1::64",
+      "kavlan-3": "2001:660:4406:583:3:1::64",
+      "kavlan-4": "2001:660:4406:584:3:1::64",
+      "kavlan-5": "2001:660:4406:585:3:1::64",
+      "kavlan-6": "2001:660:4406:586:3:1::64",
+      "kavlan-7": "2001:660:4406:587:3:1::64",
+      "kavlan-8": "2001:660:4406:588:3:1::64",
+      "kavlan-9": "2001:660:4406:589:3:1::64"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::64",
       "kavlan": true,
       "mac": "98:03:9b:b0:c6:0f",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-101.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-101.json
index 69c58458362d7a8f30c766a3deda43d4c969ae24..2d1336c5ca42dc5df4a1f3494b0ac79b053b575d 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-101.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-101.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.101"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::65",
+      "kavlan-11": "2001:660:4406:58b:3::65",
+      "kavlan-12": "2001:660:4406:58c:3::65",
+      "kavlan-13": "2001:660:4406:58d:3::65",
+      "kavlan-14": "2001:660:4406:58e:3::65",
+      "kavlan-16": "2001:660:4406:590:3::65",
+      "kavlan-18": "2001:660:4406:592:3::65",
+      "kavlan-2": "2001:660:4406:582:3::65",
+      "kavlan-20": "2001:660:4406:594:3::65",
+      "kavlan-21": "2001:660:4406:595:3::65",
+      "kavlan-3": "2001:660:4406:583:3::65",
+      "kavlan-4": "2001:660:4406:584:3::65",
+      "kavlan-5": "2001:660:4406:585:3::65",
+      "kavlan-6": "2001:660:4406:586:3::65",
+      "kavlan-7": "2001:660:4406:587:3::65",
+      "kavlan-8": "2001:660:4406:588:3::65",
+      "kavlan-9": "2001:660:4406:589:3::65"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::65",
+      "kavlan-11": "2001:660:4406:58b:3:1::65",
+      "kavlan-12": "2001:660:4406:58c:3:1::65",
+      "kavlan-13": "2001:660:4406:58d:3:1::65",
+      "kavlan-14": "2001:660:4406:58e:3:1::65",
+      "kavlan-16": "2001:660:4406:590:3:1::65",
+      "kavlan-18": "2001:660:4406:592:3:1::65",
+      "kavlan-2": "2001:660:4406:582:3:1::65",
+      "kavlan-20": "2001:660:4406:594:3:1::65",
+      "kavlan-21": "2001:660:4406:595:3:1::65",
+      "kavlan-3": "2001:660:4406:583:3:1::65",
+      "kavlan-4": "2001:660:4406:584:3:1::65",
+      "kavlan-5": "2001:660:4406:585:3:1::65",
+      "kavlan-6": "2001:660:4406:586:3:1::65",
+      "kavlan-7": "2001:660:4406:587:3:1::65",
+      "kavlan-8": "2001:660:4406:588:3:1::65",
+      "kavlan-9": "2001:660:4406:589:3:1::65"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::65",
       "kavlan": true,
       "mac": "98:03:9b:b0:a7:77",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-102.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-102.json
index 25bf7c5ff8bda1a75091d01255b7633ef7b94474..c5cef36ba98a6f1c22948f3ddc1f346377f315ca 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-102.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-102.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.102"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::66",
+      "kavlan-11": "2001:660:4406:58b:3::66",
+      "kavlan-12": "2001:660:4406:58c:3::66",
+      "kavlan-13": "2001:660:4406:58d:3::66",
+      "kavlan-14": "2001:660:4406:58e:3::66",
+      "kavlan-16": "2001:660:4406:590:3::66",
+      "kavlan-18": "2001:660:4406:592:3::66",
+      "kavlan-2": "2001:660:4406:582:3::66",
+      "kavlan-20": "2001:660:4406:594:3::66",
+      "kavlan-21": "2001:660:4406:595:3::66",
+      "kavlan-3": "2001:660:4406:583:3::66",
+      "kavlan-4": "2001:660:4406:584:3::66",
+      "kavlan-5": "2001:660:4406:585:3::66",
+      "kavlan-6": "2001:660:4406:586:3::66",
+      "kavlan-7": "2001:660:4406:587:3::66",
+      "kavlan-8": "2001:660:4406:588:3::66",
+      "kavlan-9": "2001:660:4406:589:3::66"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::66",
+      "kavlan-11": "2001:660:4406:58b:3:1::66",
+      "kavlan-12": "2001:660:4406:58c:3:1::66",
+      "kavlan-13": "2001:660:4406:58d:3:1::66",
+      "kavlan-14": "2001:660:4406:58e:3:1::66",
+      "kavlan-16": "2001:660:4406:590:3:1::66",
+      "kavlan-18": "2001:660:4406:592:3:1::66",
+      "kavlan-2": "2001:660:4406:582:3:1::66",
+      "kavlan-20": "2001:660:4406:594:3:1::66",
+      "kavlan-21": "2001:660:4406:595:3:1::66",
+      "kavlan-3": "2001:660:4406:583:3:1::66",
+      "kavlan-4": "2001:660:4406:584:3:1::66",
+      "kavlan-5": "2001:660:4406:585:3:1::66",
+      "kavlan-6": "2001:660:4406:586:3:1::66",
+      "kavlan-7": "2001:660:4406:587:3:1::66",
+      "kavlan-8": "2001:660:4406:588:3:1::66",
+      "kavlan-9": "2001:660:4406:589:3:1::66"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::66",
       "kavlan": true,
       "mac": "98:03:9b:b0:bb:1f",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-103.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-103.json
index 731e78d2005dea8d1d38347ff9488c0334b96a5c..013351c17327f68d7571e0802afa4093042f1a71 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-103.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-103.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.103"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::67",
+      "kavlan-11": "2001:660:4406:58b:3::67",
+      "kavlan-12": "2001:660:4406:58c:3::67",
+      "kavlan-13": "2001:660:4406:58d:3::67",
+      "kavlan-14": "2001:660:4406:58e:3::67",
+      "kavlan-16": "2001:660:4406:590:3::67",
+      "kavlan-18": "2001:660:4406:592:3::67",
+      "kavlan-2": "2001:660:4406:582:3::67",
+      "kavlan-20": "2001:660:4406:594:3::67",
+      "kavlan-21": "2001:660:4406:595:3::67",
+      "kavlan-3": "2001:660:4406:583:3::67",
+      "kavlan-4": "2001:660:4406:584:3::67",
+      "kavlan-5": "2001:660:4406:585:3::67",
+      "kavlan-6": "2001:660:4406:586:3::67",
+      "kavlan-7": "2001:660:4406:587:3::67",
+      "kavlan-8": "2001:660:4406:588:3::67",
+      "kavlan-9": "2001:660:4406:589:3::67"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::67",
+      "kavlan-11": "2001:660:4406:58b:3:1::67",
+      "kavlan-12": "2001:660:4406:58c:3:1::67",
+      "kavlan-13": "2001:660:4406:58d:3:1::67",
+      "kavlan-14": "2001:660:4406:58e:3:1::67",
+      "kavlan-16": "2001:660:4406:590:3:1::67",
+      "kavlan-18": "2001:660:4406:592:3:1::67",
+      "kavlan-2": "2001:660:4406:582:3:1::67",
+      "kavlan-20": "2001:660:4406:594:3:1::67",
+      "kavlan-21": "2001:660:4406:595:3:1::67",
+      "kavlan-3": "2001:660:4406:583:3:1::67",
+      "kavlan-4": "2001:660:4406:584:3:1::67",
+      "kavlan-5": "2001:660:4406:585:3:1::67",
+      "kavlan-6": "2001:660:4406:586:3:1::67",
+      "kavlan-7": "2001:660:4406:587:3:1::67",
+      "kavlan-8": "2001:660:4406:588:3:1::67",
+      "kavlan-9": "2001:660:4406:589:3:1::67"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::67",
       "kavlan": true,
       "mac": "98:03:9b:b0:b6:47",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-104.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-104.json
index aae358ee17969f42961df4ee866ab0167d10c233..a8a1a088203094907fa5c0017a34509e6947ba19 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-104.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-104.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.104"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::68",
+      "kavlan-11": "2001:660:4406:58b:3::68",
+      "kavlan-12": "2001:660:4406:58c:3::68",
+      "kavlan-13": "2001:660:4406:58d:3::68",
+      "kavlan-14": "2001:660:4406:58e:3::68",
+      "kavlan-16": "2001:660:4406:590:3::68",
+      "kavlan-18": "2001:660:4406:592:3::68",
+      "kavlan-2": "2001:660:4406:582:3::68",
+      "kavlan-20": "2001:660:4406:594:3::68",
+      "kavlan-21": "2001:660:4406:595:3::68",
+      "kavlan-3": "2001:660:4406:583:3::68",
+      "kavlan-4": "2001:660:4406:584:3::68",
+      "kavlan-5": "2001:660:4406:585:3::68",
+      "kavlan-6": "2001:660:4406:586:3::68",
+      "kavlan-7": "2001:660:4406:587:3::68",
+      "kavlan-8": "2001:660:4406:588:3::68",
+      "kavlan-9": "2001:660:4406:589:3::68"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::68",
+      "kavlan-11": "2001:660:4406:58b:3:1::68",
+      "kavlan-12": "2001:660:4406:58c:3:1::68",
+      "kavlan-13": "2001:660:4406:58d:3:1::68",
+      "kavlan-14": "2001:660:4406:58e:3:1::68",
+      "kavlan-16": "2001:660:4406:590:3:1::68",
+      "kavlan-18": "2001:660:4406:592:3:1::68",
+      "kavlan-2": "2001:660:4406:582:3:1::68",
+      "kavlan-20": "2001:660:4406:594:3:1::68",
+      "kavlan-21": "2001:660:4406:595:3:1::68",
+      "kavlan-3": "2001:660:4406:583:3:1::68",
+      "kavlan-4": "2001:660:4406:584:3:1::68",
+      "kavlan-5": "2001:660:4406:585:3:1::68",
+      "kavlan-6": "2001:660:4406:586:3:1::68",
+      "kavlan-7": "2001:660:4406:587:3:1::68",
+      "kavlan-8": "2001:660:4406:588:3:1::68",
+      "kavlan-9": "2001:660:4406:589:3:1::68"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::68",
       "kavlan": true,
       "mac": "98:03:9b:b0:c6:17",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-105.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-105.json
index a5ac91e44c11166888a2507fc056d1a7d937eb97..2beab6ee49683e923bce30864be7243afc27e40f 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-105.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-105.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.105"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::69",
+      "kavlan-11": "2001:660:4406:58b:3::69",
+      "kavlan-12": "2001:660:4406:58c:3::69",
+      "kavlan-13": "2001:660:4406:58d:3::69",
+      "kavlan-14": "2001:660:4406:58e:3::69",
+      "kavlan-16": "2001:660:4406:590:3::69",
+      "kavlan-18": "2001:660:4406:592:3::69",
+      "kavlan-2": "2001:660:4406:582:3::69",
+      "kavlan-20": "2001:660:4406:594:3::69",
+      "kavlan-21": "2001:660:4406:595:3::69",
+      "kavlan-3": "2001:660:4406:583:3::69",
+      "kavlan-4": "2001:660:4406:584:3::69",
+      "kavlan-5": "2001:660:4406:585:3::69",
+      "kavlan-6": "2001:660:4406:586:3::69",
+      "kavlan-7": "2001:660:4406:587:3::69",
+      "kavlan-8": "2001:660:4406:588:3::69",
+      "kavlan-9": "2001:660:4406:589:3::69"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::69",
+      "kavlan-11": "2001:660:4406:58b:3:1::69",
+      "kavlan-12": "2001:660:4406:58c:3:1::69",
+      "kavlan-13": "2001:660:4406:58d:3:1::69",
+      "kavlan-14": "2001:660:4406:58e:3:1::69",
+      "kavlan-16": "2001:660:4406:590:3:1::69",
+      "kavlan-18": "2001:660:4406:592:3:1::69",
+      "kavlan-2": "2001:660:4406:582:3:1::69",
+      "kavlan-20": "2001:660:4406:594:3:1::69",
+      "kavlan-21": "2001:660:4406:595:3:1::69",
+      "kavlan-3": "2001:660:4406:583:3:1::69",
+      "kavlan-4": "2001:660:4406:584:3:1::69",
+      "kavlan-5": "2001:660:4406:585:3:1::69",
+      "kavlan-6": "2001:660:4406:586:3:1::69",
+      "kavlan-7": "2001:660:4406:587:3:1::69",
+      "kavlan-8": "2001:660:4406:588:3:1::69",
+      "kavlan-9": "2001:660:4406:589:3:1::69"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::69",
       "kavlan": true,
       "mac": "98:03:9b:b0:c4:5f",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-106.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-106.json
index 961a00910c1f2617d3c3c3d88a312cc2ced4ea3e..f4f3cad4cae8bf1a32daae80b6dcfc7e651c6ad7 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-106.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-106.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.106"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::6a",
+      "kavlan-11": "2001:660:4406:58b:3::6a",
+      "kavlan-12": "2001:660:4406:58c:3::6a",
+      "kavlan-13": "2001:660:4406:58d:3::6a",
+      "kavlan-14": "2001:660:4406:58e:3::6a",
+      "kavlan-16": "2001:660:4406:590:3::6a",
+      "kavlan-18": "2001:660:4406:592:3::6a",
+      "kavlan-2": "2001:660:4406:582:3::6a",
+      "kavlan-20": "2001:660:4406:594:3::6a",
+      "kavlan-21": "2001:660:4406:595:3::6a",
+      "kavlan-3": "2001:660:4406:583:3::6a",
+      "kavlan-4": "2001:660:4406:584:3::6a",
+      "kavlan-5": "2001:660:4406:585:3::6a",
+      "kavlan-6": "2001:660:4406:586:3::6a",
+      "kavlan-7": "2001:660:4406:587:3::6a",
+      "kavlan-8": "2001:660:4406:588:3::6a",
+      "kavlan-9": "2001:660:4406:589:3::6a"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::6a",
+      "kavlan-11": "2001:660:4406:58b:3:1::6a",
+      "kavlan-12": "2001:660:4406:58c:3:1::6a",
+      "kavlan-13": "2001:660:4406:58d:3:1::6a",
+      "kavlan-14": "2001:660:4406:58e:3:1::6a",
+      "kavlan-16": "2001:660:4406:590:3:1::6a",
+      "kavlan-18": "2001:660:4406:592:3:1::6a",
+      "kavlan-2": "2001:660:4406:582:3:1::6a",
+      "kavlan-20": "2001:660:4406:594:3:1::6a",
+      "kavlan-21": "2001:660:4406:595:3:1::6a",
+      "kavlan-3": "2001:660:4406:583:3:1::6a",
+      "kavlan-4": "2001:660:4406:584:3:1::6a",
+      "kavlan-5": "2001:660:4406:585:3:1::6a",
+      "kavlan-6": "2001:660:4406:586:3:1::6a",
+      "kavlan-7": "2001:660:4406:587:3:1::6a",
+      "kavlan-8": "2001:660:4406:588:3:1::6a",
+      "kavlan-9": "2001:660:4406:589:3:1::6a"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::6a",
       "kavlan": true,
       "mac": "98:03:9b:b0:be:e7",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-107.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-107.json
index 82fb32ffd5ede810d464230f02101a95cf6891ed..fc8c10f3c9800b446309f0b5f907d76b1c20d9e7 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-107.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-107.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.107"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::6b",
+      "kavlan-11": "2001:660:4406:58b:3::6b",
+      "kavlan-12": "2001:660:4406:58c:3::6b",
+      "kavlan-13": "2001:660:4406:58d:3::6b",
+      "kavlan-14": "2001:660:4406:58e:3::6b",
+      "kavlan-16": "2001:660:4406:590:3::6b",
+      "kavlan-18": "2001:660:4406:592:3::6b",
+      "kavlan-2": "2001:660:4406:582:3::6b",
+      "kavlan-20": "2001:660:4406:594:3::6b",
+      "kavlan-21": "2001:660:4406:595:3::6b",
+      "kavlan-3": "2001:660:4406:583:3::6b",
+      "kavlan-4": "2001:660:4406:584:3::6b",
+      "kavlan-5": "2001:660:4406:585:3::6b",
+      "kavlan-6": "2001:660:4406:586:3::6b",
+      "kavlan-7": "2001:660:4406:587:3::6b",
+      "kavlan-8": "2001:660:4406:588:3::6b",
+      "kavlan-9": "2001:660:4406:589:3::6b"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::6b",
+      "kavlan-11": "2001:660:4406:58b:3:1::6b",
+      "kavlan-12": "2001:660:4406:58c:3:1::6b",
+      "kavlan-13": "2001:660:4406:58d:3:1::6b",
+      "kavlan-14": "2001:660:4406:58e:3:1::6b",
+      "kavlan-16": "2001:660:4406:590:3:1::6b",
+      "kavlan-18": "2001:660:4406:592:3:1::6b",
+      "kavlan-2": "2001:660:4406:582:3:1::6b",
+      "kavlan-20": "2001:660:4406:594:3:1::6b",
+      "kavlan-21": "2001:660:4406:595:3:1::6b",
+      "kavlan-3": "2001:660:4406:583:3:1::6b",
+      "kavlan-4": "2001:660:4406:584:3:1::6b",
+      "kavlan-5": "2001:660:4406:585:3:1::6b",
+      "kavlan-6": "2001:660:4406:586:3:1::6b",
+      "kavlan-7": "2001:660:4406:587:3:1::6b",
+      "kavlan-8": "2001:660:4406:588:3:1::6b",
+      "kavlan-9": "2001:660:4406:589:3:1::6b"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::6b",
       "kavlan": true,
       "mac": "98:03:9b:b0:9c:db",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-108.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-108.json
index 67d69242f3b042d6dce77fb90ef675da532af27a..0c16f07a5960d7b74fcde6d7a2459ea1bc502717 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-108.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-108.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.108"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::6c",
+      "kavlan-11": "2001:660:4406:58b:3::6c",
+      "kavlan-12": "2001:660:4406:58c:3::6c",
+      "kavlan-13": "2001:660:4406:58d:3::6c",
+      "kavlan-14": "2001:660:4406:58e:3::6c",
+      "kavlan-16": "2001:660:4406:590:3::6c",
+      "kavlan-18": "2001:660:4406:592:3::6c",
+      "kavlan-2": "2001:660:4406:582:3::6c",
+      "kavlan-20": "2001:660:4406:594:3::6c",
+      "kavlan-21": "2001:660:4406:595:3::6c",
+      "kavlan-3": "2001:660:4406:583:3::6c",
+      "kavlan-4": "2001:660:4406:584:3::6c",
+      "kavlan-5": "2001:660:4406:585:3::6c",
+      "kavlan-6": "2001:660:4406:586:3::6c",
+      "kavlan-7": "2001:660:4406:587:3::6c",
+      "kavlan-8": "2001:660:4406:588:3::6c",
+      "kavlan-9": "2001:660:4406:589:3::6c"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::6c",
+      "kavlan-11": "2001:660:4406:58b:3:1::6c",
+      "kavlan-12": "2001:660:4406:58c:3:1::6c",
+      "kavlan-13": "2001:660:4406:58d:3:1::6c",
+      "kavlan-14": "2001:660:4406:58e:3:1::6c",
+      "kavlan-16": "2001:660:4406:590:3:1::6c",
+      "kavlan-18": "2001:660:4406:592:3:1::6c",
+      "kavlan-2": "2001:660:4406:582:3:1::6c",
+      "kavlan-20": "2001:660:4406:594:3:1::6c",
+      "kavlan-21": "2001:660:4406:595:3:1::6c",
+      "kavlan-3": "2001:660:4406:583:3:1::6c",
+      "kavlan-4": "2001:660:4406:584:3:1::6c",
+      "kavlan-5": "2001:660:4406:585:3:1::6c",
+      "kavlan-6": "2001:660:4406:586:3:1::6c",
+      "kavlan-7": "2001:660:4406:587:3:1::6c",
+      "kavlan-8": "2001:660:4406:588:3:1::6c",
+      "kavlan-9": "2001:660:4406:589:3:1::6c"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::6c",
       "kavlan": true,
       "mac": "98:03:9b:b0:be:c7",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-109.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-109.json
index f3967d70981bcece360e6ecc5e777f1663dd5dd9..aebacc9a92287c06e90917c6e66d29944a5ed1b0 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-109.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-109.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.109"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::6d",
+      "kavlan-11": "2001:660:4406:58b:3::6d",
+      "kavlan-12": "2001:660:4406:58c:3::6d",
+      "kavlan-13": "2001:660:4406:58d:3::6d",
+      "kavlan-14": "2001:660:4406:58e:3::6d",
+      "kavlan-16": "2001:660:4406:590:3::6d",
+      "kavlan-18": "2001:660:4406:592:3::6d",
+      "kavlan-2": "2001:660:4406:582:3::6d",
+      "kavlan-20": "2001:660:4406:594:3::6d",
+      "kavlan-21": "2001:660:4406:595:3::6d",
+      "kavlan-3": "2001:660:4406:583:3::6d",
+      "kavlan-4": "2001:660:4406:584:3::6d",
+      "kavlan-5": "2001:660:4406:585:3::6d",
+      "kavlan-6": "2001:660:4406:586:3::6d",
+      "kavlan-7": "2001:660:4406:587:3::6d",
+      "kavlan-8": "2001:660:4406:588:3::6d",
+      "kavlan-9": "2001:660:4406:589:3::6d"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::6d",
+      "kavlan-11": "2001:660:4406:58b:3:1::6d",
+      "kavlan-12": "2001:660:4406:58c:3:1::6d",
+      "kavlan-13": "2001:660:4406:58d:3:1::6d",
+      "kavlan-14": "2001:660:4406:58e:3:1::6d",
+      "kavlan-16": "2001:660:4406:590:3:1::6d",
+      "kavlan-18": "2001:660:4406:592:3:1::6d",
+      "kavlan-2": "2001:660:4406:582:3:1::6d",
+      "kavlan-20": "2001:660:4406:594:3:1::6d",
+      "kavlan-21": "2001:660:4406:595:3:1::6d",
+      "kavlan-3": "2001:660:4406:583:3:1::6d",
+      "kavlan-4": "2001:660:4406:584:3:1::6d",
+      "kavlan-5": "2001:660:4406:585:3:1::6d",
+      "kavlan-6": "2001:660:4406:586:3:1::6d",
+      "kavlan-7": "2001:660:4406:587:3:1::6d",
+      "kavlan-8": "2001:660:4406:588:3:1::6d",
+      "kavlan-9": "2001:660:4406:589:3:1::6d"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::6d",
       "kavlan": true,
       "mac": "98:03:9b:b0:63:73",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-11.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-11.json
index 7758850555e5fee9ce9dd44f38d8ee888ebee8b8..3881459388d51d87e43e2b0fded2c86f6060b0f3 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-11.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-11.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.11"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::b",
+      "kavlan-11": "2001:660:4406:58b:3::b",
+      "kavlan-12": "2001:660:4406:58c:3::b",
+      "kavlan-13": "2001:660:4406:58d:3::b",
+      "kavlan-14": "2001:660:4406:58e:3::b",
+      "kavlan-16": "2001:660:4406:590:3::b",
+      "kavlan-18": "2001:660:4406:592:3::b",
+      "kavlan-2": "2001:660:4406:582:3::b",
+      "kavlan-20": "2001:660:4406:594:3::b",
+      "kavlan-21": "2001:660:4406:595:3::b",
+      "kavlan-3": "2001:660:4406:583:3::b",
+      "kavlan-4": "2001:660:4406:584:3::b",
+      "kavlan-5": "2001:660:4406:585:3::b",
+      "kavlan-6": "2001:660:4406:586:3::b",
+      "kavlan-7": "2001:660:4406:587:3::b",
+      "kavlan-8": "2001:660:4406:588:3::b",
+      "kavlan-9": "2001:660:4406:589:3::b"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::b",
+      "kavlan-11": "2001:660:4406:58b:3:1::b",
+      "kavlan-12": "2001:660:4406:58c:3:1::b",
+      "kavlan-13": "2001:660:4406:58d:3:1::b",
+      "kavlan-14": "2001:660:4406:58e:3:1::b",
+      "kavlan-16": "2001:660:4406:590:3:1::b",
+      "kavlan-18": "2001:660:4406:592:3:1::b",
+      "kavlan-2": "2001:660:4406:582:3:1::b",
+      "kavlan-20": "2001:660:4406:594:3:1::b",
+      "kavlan-21": "2001:660:4406:595:3:1::b",
+      "kavlan-3": "2001:660:4406:583:3:1::b",
+      "kavlan-4": "2001:660:4406:584:3:1::b",
+      "kavlan-5": "2001:660:4406:585:3:1::b",
+      "kavlan-6": "2001:660:4406:586:3:1::b",
+      "kavlan-7": "2001:660:4406:587:3:1::b",
+      "kavlan-8": "2001:660:4406:588:3:1::b",
+      "kavlan-9": "2001:660:4406:589:3:1::b"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::b",
       "kavlan": true,
       "mac": "98:03:9b:b0:97:eb",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-110.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-110.json
index 36142a0f45096bc5a4b9ebd7955df3f644bd264f..635410b417d474958d506d44e9e2a766952eb91c 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-110.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-110.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.110"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::6e",
+      "kavlan-11": "2001:660:4406:58b:3::6e",
+      "kavlan-12": "2001:660:4406:58c:3::6e",
+      "kavlan-13": "2001:660:4406:58d:3::6e",
+      "kavlan-14": "2001:660:4406:58e:3::6e",
+      "kavlan-16": "2001:660:4406:590:3::6e",
+      "kavlan-18": "2001:660:4406:592:3::6e",
+      "kavlan-2": "2001:660:4406:582:3::6e",
+      "kavlan-20": "2001:660:4406:594:3::6e",
+      "kavlan-21": "2001:660:4406:595:3::6e",
+      "kavlan-3": "2001:660:4406:583:3::6e",
+      "kavlan-4": "2001:660:4406:584:3::6e",
+      "kavlan-5": "2001:660:4406:585:3::6e",
+      "kavlan-6": "2001:660:4406:586:3::6e",
+      "kavlan-7": "2001:660:4406:587:3::6e",
+      "kavlan-8": "2001:660:4406:588:3::6e",
+      "kavlan-9": "2001:660:4406:589:3::6e"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::6e",
+      "kavlan-11": "2001:660:4406:58b:3:1::6e",
+      "kavlan-12": "2001:660:4406:58c:3:1::6e",
+      "kavlan-13": "2001:660:4406:58d:3:1::6e",
+      "kavlan-14": "2001:660:4406:58e:3:1::6e",
+      "kavlan-16": "2001:660:4406:590:3:1::6e",
+      "kavlan-18": "2001:660:4406:592:3:1::6e",
+      "kavlan-2": "2001:660:4406:582:3:1::6e",
+      "kavlan-20": "2001:660:4406:594:3:1::6e",
+      "kavlan-21": "2001:660:4406:595:3:1::6e",
+      "kavlan-3": "2001:660:4406:583:3:1::6e",
+      "kavlan-4": "2001:660:4406:584:3:1::6e",
+      "kavlan-5": "2001:660:4406:585:3:1::6e",
+      "kavlan-6": "2001:660:4406:586:3:1::6e",
+      "kavlan-7": "2001:660:4406:587:3:1::6e",
+      "kavlan-8": "2001:660:4406:588:3:1::6e",
+      "kavlan-9": "2001:660:4406:589:3:1::6e"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::6e",
       "kavlan": true,
       "mac": "98:03:9b:b0:c4:af",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-111.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-111.json
index c7c0e60f9d9a693457637846efa0c461f9d55d9f..cd2ff195db35e365182070552a19292f8db4412a 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-111.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-111.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.111"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::6f",
+      "kavlan-11": "2001:660:4406:58b:3::6f",
+      "kavlan-12": "2001:660:4406:58c:3::6f",
+      "kavlan-13": "2001:660:4406:58d:3::6f",
+      "kavlan-14": "2001:660:4406:58e:3::6f",
+      "kavlan-16": "2001:660:4406:590:3::6f",
+      "kavlan-18": "2001:660:4406:592:3::6f",
+      "kavlan-2": "2001:660:4406:582:3::6f",
+      "kavlan-20": "2001:660:4406:594:3::6f",
+      "kavlan-21": "2001:660:4406:595:3::6f",
+      "kavlan-3": "2001:660:4406:583:3::6f",
+      "kavlan-4": "2001:660:4406:584:3::6f",
+      "kavlan-5": "2001:660:4406:585:3::6f",
+      "kavlan-6": "2001:660:4406:586:3::6f",
+      "kavlan-7": "2001:660:4406:587:3::6f",
+      "kavlan-8": "2001:660:4406:588:3::6f",
+      "kavlan-9": "2001:660:4406:589:3::6f"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::6f",
+      "kavlan-11": "2001:660:4406:58b:3:1::6f",
+      "kavlan-12": "2001:660:4406:58c:3:1::6f",
+      "kavlan-13": "2001:660:4406:58d:3:1::6f",
+      "kavlan-14": "2001:660:4406:58e:3:1::6f",
+      "kavlan-16": "2001:660:4406:590:3:1::6f",
+      "kavlan-18": "2001:660:4406:592:3:1::6f",
+      "kavlan-2": "2001:660:4406:582:3:1::6f",
+      "kavlan-20": "2001:660:4406:594:3:1::6f",
+      "kavlan-21": "2001:660:4406:595:3:1::6f",
+      "kavlan-3": "2001:660:4406:583:3:1::6f",
+      "kavlan-4": "2001:660:4406:584:3:1::6f",
+      "kavlan-5": "2001:660:4406:585:3:1::6f",
+      "kavlan-6": "2001:660:4406:586:3:1::6f",
+      "kavlan-7": "2001:660:4406:587:3:1::6f",
+      "kavlan-8": "2001:660:4406:588:3:1::6f",
+      "kavlan-9": "2001:660:4406:589:3:1::6f"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::6f",
       "kavlan": true,
       "mac": "98:03:9b:b0:68:f3",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-112.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-112.json
index 6c6aa938206822206aa3b74d35e56e2dcfb5aa70..c8b786c75c4c571f054fdbbb5c81346acf7f9c78 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-112.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-112.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.112"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::70",
+      "kavlan-11": "2001:660:4406:58b:3::70",
+      "kavlan-12": "2001:660:4406:58c:3::70",
+      "kavlan-13": "2001:660:4406:58d:3::70",
+      "kavlan-14": "2001:660:4406:58e:3::70",
+      "kavlan-16": "2001:660:4406:590:3::70",
+      "kavlan-18": "2001:660:4406:592:3::70",
+      "kavlan-2": "2001:660:4406:582:3::70",
+      "kavlan-20": "2001:660:4406:594:3::70",
+      "kavlan-21": "2001:660:4406:595:3::70",
+      "kavlan-3": "2001:660:4406:583:3::70",
+      "kavlan-4": "2001:660:4406:584:3::70",
+      "kavlan-5": "2001:660:4406:585:3::70",
+      "kavlan-6": "2001:660:4406:586:3::70",
+      "kavlan-7": "2001:660:4406:587:3::70",
+      "kavlan-8": "2001:660:4406:588:3::70",
+      "kavlan-9": "2001:660:4406:589:3::70"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::70",
+      "kavlan-11": "2001:660:4406:58b:3:1::70",
+      "kavlan-12": "2001:660:4406:58c:3:1::70",
+      "kavlan-13": "2001:660:4406:58d:3:1::70",
+      "kavlan-14": "2001:660:4406:58e:3:1::70",
+      "kavlan-16": "2001:660:4406:590:3:1::70",
+      "kavlan-18": "2001:660:4406:592:3:1::70",
+      "kavlan-2": "2001:660:4406:582:3:1::70",
+      "kavlan-20": "2001:660:4406:594:3:1::70",
+      "kavlan-21": "2001:660:4406:595:3:1::70",
+      "kavlan-3": "2001:660:4406:583:3:1::70",
+      "kavlan-4": "2001:660:4406:584:3:1::70",
+      "kavlan-5": "2001:660:4406:585:3:1::70",
+      "kavlan-6": "2001:660:4406:586:3:1::70",
+      "kavlan-7": "2001:660:4406:587:3:1::70",
+      "kavlan-8": "2001:660:4406:588:3:1::70",
+      "kavlan-9": "2001:660:4406:589:3:1::70"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::70",
       "kavlan": true,
       "mac": "98:03:9b:b0:a3:2f",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-113.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-113.json
index e426ebb75b7b665e1237a91842d5ed633a80770b..d13e4f47550fe9c9b00ab9091395f1d50659f2ad 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-113.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-113.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.113"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::71",
+      "kavlan-11": "2001:660:4406:58b:3::71",
+      "kavlan-12": "2001:660:4406:58c:3::71",
+      "kavlan-13": "2001:660:4406:58d:3::71",
+      "kavlan-14": "2001:660:4406:58e:3::71",
+      "kavlan-16": "2001:660:4406:590:3::71",
+      "kavlan-18": "2001:660:4406:592:3::71",
+      "kavlan-2": "2001:660:4406:582:3::71",
+      "kavlan-20": "2001:660:4406:594:3::71",
+      "kavlan-21": "2001:660:4406:595:3::71",
+      "kavlan-3": "2001:660:4406:583:3::71",
+      "kavlan-4": "2001:660:4406:584:3::71",
+      "kavlan-5": "2001:660:4406:585:3::71",
+      "kavlan-6": "2001:660:4406:586:3::71",
+      "kavlan-7": "2001:660:4406:587:3::71",
+      "kavlan-8": "2001:660:4406:588:3::71",
+      "kavlan-9": "2001:660:4406:589:3::71"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::71",
+      "kavlan-11": "2001:660:4406:58b:3:1::71",
+      "kavlan-12": "2001:660:4406:58c:3:1::71",
+      "kavlan-13": "2001:660:4406:58d:3:1::71",
+      "kavlan-14": "2001:660:4406:58e:3:1::71",
+      "kavlan-16": "2001:660:4406:590:3:1::71",
+      "kavlan-18": "2001:660:4406:592:3:1::71",
+      "kavlan-2": "2001:660:4406:582:3:1::71",
+      "kavlan-20": "2001:660:4406:594:3:1::71",
+      "kavlan-21": "2001:660:4406:595:3:1::71",
+      "kavlan-3": "2001:660:4406:583:3:1::71",
+      "kavlan-4": "2001:660:4406:584:3:1::71",
+      "kavlan-5": "2001:660:4406:585:3:1::71",
+      "kavlan-6": "2001:660:4406:586:3:1::71",
+      "kavlan-7": "2001:660:4406:587:3:1::71",
+      "kavlan-8": "2001:660:4406:588:3:1::71",
+      "kavlan-9": "2001:660:4406:589:3:1::71"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::71",
       "kavlan": true,
       "mac": "98:03:9b:b0:69:13",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-114.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-114.json
index 08ee4c4304d37d4945f51d9cb84f3a985e7f3a96..7941fd1daa3cad7308aa9a7980179e6c6ea556a8 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-114.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-114.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.114"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::72",
+      "kavlan-11": "2001:660:4406:58b:3::72",
+      "kavlan-12": "2001:660:4406:58c:3::72",
+      "kavlan-13": "2001:660:4406:58d:3::72",
+      "kavlan-14": "2001:660:4406:58e:3::72",
+      "kavlan-16": "2001:660:4406:590:3::72",
+      "kavlan-18": "2001:660:4406:592:3::72",
+      "kavlan-2": "2001:660:4406:582:3::72",
+      "kavlan-20": "2001:660:4406:594:3::72",
+      "kavlan-21": "2001:660:4406:595:3::72",
+      "kavlan-3": "2001:660:4406:583:3::72",
+      "kavlan-4": "2001:660:4406:584:3::72",
+      "kavlan-5": "2001:660:4406:585:3::72",
+      "kavlan-6": "2001:660:4406:586:3::72",
+      "kavlan-7": "2001:660:4406:587:3::72",
+      "kavlan-8": "2001:660:4406:588:3::72",
+      "kavlan-9": "2001:660:4406:589:3::72"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::72",
+      "kavlan-11": "2001:660:4406:58b:3:1::72",
+      "kavlan-12": "2001:660:4406:58c:3:1::72",
+      "kavlan-13": "2001:660:4406:58d:3:1::72",
+      "kavlan-14": "2001:660:4406:58e:3:1::72",
+      "kavlan-16": "2001:660:4406:590:3:1::72",
+      "kavlan-18": "2001:660:4406:592:3:1::72",
+      "kavlan-2": "2001:660:4406:582:3:1::72",
+      "kavlan-20": "2001:660:4406:594:3:1::72",
+      "kavlan-21": "2001:660:4406:595:3:1::72",
+      "kavlan-3": "2001:660:4406:583:3:1::72",
+      "kavlan-4": "2001:660:4406:584:3:1::72",
+      "kavlan-5": "2001:660:4406:585:3:1::72",
+      "kavlan-6": "2001:660:4406:586:3:1::72",
+      "kavlan-7": "2001:660:4406:587:3:1::72",
+      "kavlan-8": "2001:660:4406:588:3:1::72",
+      "kavlan-9": "2001:660:4406:589:3:1::72"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::72",
       "kavlan": true,
       "mac": "98:03:9b:b0:69:0b",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-115.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-115.json
index 8ea3475d4875712924ad3876521458007d8b7597..71f9f42128dcdd6b4898267fa0cb78cf62b45608 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-115.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-115.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.115"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::73",
+      "kavlan-11": "2001:660:4406:58b:3::73",
+      "kavlan-12": "2001:660:4406:58c:3::73",
+      "kavlan-13": "2001:660:4406:58d:3::73",
+      "kavlan-14": "2001:660:4406:58e:3::73",
+      "kavlan-16": "2001:660:4406:590:3::73",
+      "kavlan-18": "2001:660:4406:592:3::73",
+      "kavlan-2": "2001:660:4406:582:3::73",
+      "kavlan-20": "2001:660:4406:594:3::73",
+      "kavlan-21": "2001:660:4406:595:3::73",
+      "kavlan-3": "2001:660:4406:583:3::73",
+      "kavlan-4": "2001:660:4406:584:3::73",
+      "kavlan-5": "2001:660:4406:585:3::73",
+      "kavlan-6": "2001:660:4406:586:3::73",
+      "kavlan-7": "2001:660:4406:587:3::73",
+      "kavlan-8": "2001:660:4406:588:3::73",
+      "kavlan-9": "2001:660:4406:589:3::73"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::73",
+      "kavlan-11": "2001:660:4406:58b:3:1::73",
+      "kavlan-12": "2001:660:4406:58c:3:1::73",
+      "kavlan-13": "2001:660:4406:58d:3:1::73",
+      "kavlan-14": "2001:660:4406:58e:3:1::73",
+      "kavlan-16": "2001:660:4406:590:3:1::73",
+      "kavlan-18": "2001:660:4406:592:3:1::73",
+      "kavlan-2": "2001:660:4406:582:3:1::73",
+      "kavlan-20": "2001:660:4406:594:3:1::73",
+      "kavlan-21": "2001:660:4406:595:3:1::73",
+      "kavlan-3": "2001:660:4406:583:3:1::73",
+      "kavlan-4": "2001:660:4406:584:3:1::73",
+      "kavlan-5": "2001:660:4406:585:3:1::73",
+      "kavlan-6": "2001:660:4406:586:3:1::73",
+      "kavlan-7": "2001:660:4406:587:3:1::73",
+      "kavlan-8": "2001:660:4406:588:3:1::73",
+      "kavlan-9": "2001:660:4406:589:3:1::73"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::73",
       "kavlan": true,
       "mac": "98:03:9b:b0:d2:df",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-116.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-116.json
index 6294e4bc30606058c3c36539f75707a74429270b..742a777924ef3f79e0bcae615a4499847a50f7a8 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-116.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-116.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.116"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::74",
+      "kavlan-11": "2001:660:4406:58b:3::74",
+      "kavlan-12": "2001:660:4406:58c:3::74",
+      "kavlan-13": "2001:660:4406:58d:3::74",
+      "kavlan-14": "2001:660:4406:58e:3::74",
+      "kavlan-16": "2001:660:4406:590:3::74",
+      "kavlan-18": "2001:660:4406:592:3::74",
+      "kavlan-2": "2001:660:4406:582:3::74",
+      "kavlan-20": "2001:660:4406:594:3::74",
+      "kavlan-21": "2001:660:4406:595:3::74",
+      "kavlan-3": "2001:660:4406:583:3::74",
+      "kavlan-4": "2001:660:4406:584:3::74",
+      "kavlan-5": "2001:660:4406:585:3::74",
+      "kavlan-6": "2001:660:4406:586:3::74",
+      "kavlan-7": "2001:660:4406:587:3::74",
+      "kavlan-8": "2001:660:4406:588:3::74",
+      "kavlan-9": "2001:660:4406:589:3::74"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::74",
+      "kavlan-11": "2001:660:4406:58b:3:1::74",
+      "kavlan-12": "2001:660:4406:58c:3:1::74",
+      "kavlan-13": "2001:660:4406:58d:3:1::74",
+      "kavlan-14": "2001:660:4406:58e:3:1::74",
+      "kavlan-16": "2001:660:4406:590:3:1::74",
+      "kavlan-18": "2001:660:4406:592:3:1::74",
+      "kavlan-2": "2001:660:4406:582:3:1::74",
+      "kavlan-20": "2001:660:4406:594:3:1::74",
+      "kavlan-21": "2001:660:4406:595:3:1::74",
+      "kavlan-3": "2001:660:4406:583:3:1::74",
+      "kavlan-4": "2001:660:4406:584:3:1::74",
+      "kavlan-5": "2001:660:4406:585:3:1::74",
+      "kavlan-6": "2001:660:4406:586:3:1::74",
+      "kavlan-7": "2001:660:4406:587:3:1::74",
+      "kavlan-8": "2001:660:4406:588:3:1::74",
+      "kavlan-9": "2001:660:4406:589:3:1::74"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::74",
       "kavlan": true,
       "mac": "98:03:9b:b0:ba:e7",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-117.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-117.json
index 5fb959bd18d456a615eb067eb2e655650f570d2f..0fdf357068c56e6bd6691c84812e960b20867076 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-117.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-117.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.117"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::75",
+      "kavlan-11": "2001:660:4406:58b:3::75",
+      "kavlan-12": "2001:660:4406:58c:3::75",
+      "kavlan-13": "2001:660:4406:58d:3::75",
+      "kavlan-14": "2001:660:4406:58e:3::75",
+      "kavlan-16": "2001:660:4406:590:3::75",
+      "kavlan-18": "2001:660:4406:592:3::75",
+      "kavlan-2": "2001:660:4406:582:3::75",
+      "kavlan-20": "2001:660:4406:594:3::75",
+      "kavlan-21": "2001:660:4406:595:3::75",
+      "kavlan-3": "2001:660:4406:583:3::75",
+      "kavlan-4": "2001:660:4406:584:3::75",
+      "kavlan-5": "2001:660:4406:585:3::75",
+      "kavlan-6": "2001:660:4406:586:3::75",
+      "kavlan-7": "2001:660:4406:587:3::75",
+      "kavlan-8": "2001:660:4406:588:3::75",
+      "kavlan-9": "2001:660:4406:589:3::75"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::75",
+      "kavlan-11": "2001:660:4406:58b:3:1::75",
+      "kavlan-12": "2001:660:4406:58c:3:1::75",
+      "kavlan-13": "2001:660:4406:58d:3:1::75",
+      "kavlan-14": "2001:660:4406:58e:3:1::75",
+      "kavlan-16": "2001:660:4406:590:3:1::75",
+      "kavlan-18": "2001:660:4406:592:3:1::75",
+      "kavlan-2": "2001:660:4406:582:3:1::75",
+      "kavlan-20": "2001:660:4406:594:3:1::75",
+      "kavlan-21": "2001:660:4406:595:3:1::75",
+      "kavlan-3": "2001:660:4406:583:3:1::75",
+      "kavlan-4": "2001:660:4406:584:3:1::75",
+      "kavlan-5": "2001:660:4406:585:3:1::75",
+      "kavlan-6": "2001:660:4406:586:3:1::75",
+      "kavlan-7": "2001:660:4406:587:3:1::75",
+      "kavlan-8": "2001:660:4406:588:3:1::75",
+      "kavlan-9": "2001:660:4406:589:3:1::75"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::75",
       "kavlan": true,
       "mac": "98:03:9b:b0:c8:e7",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-118.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-118.json
index 80c27604b9a90c1090f41e224639ba08187207ec..b74899db415945f6e0919d3af1921fee6ff6ac1f 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-118.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-118.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.118"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::76",
+      "kavlan-11": "2001:660:4406:58b:3::76",
+      "kavlan-12": "2001:660:4406:58c:3::76",
+      "kavlan-13": "2001:660:4406:58d:3::76",
+      "kavlan-14": "2001:660:4406:58e:3::76",
+      "kavlan-16": "2001:660:4406:590:3::76",
+      "kavlan-18": "2001:660:4406:592:3::76",
+      "kavlan-2": "2001:660:4406:582:3::76",
+      "kavlan-20": "2001:660:4406:594:3::76",
+      "kavlan-21": "2001:660:4406:595:3::76",
+      "kavlan-3": "2001:660:4406:583:3::76",
+      "kavlan-4": "2001:660:4406:584:3::76",
+      "kavlan-5": "2001:660:4406:585:3::76",
+      "kavlan-6": "2001:660:4406:586:3::76",
+      "kavlan-7": "2001:660:4406:587:3::76",
+      "kavlan-8": "2001:660:4406:588:3::76",
+      "kavlan-9": "2001:660:4406:589:3::76"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::76",
+      "kavlan-11": "2001:660:4406:58b:3:1::76",
+      "kavlan-12": "2001:660:4406:58c:3:1::76",
+      "kavlan-13": "2001:660:4406:58d:3:1::76",
+      "kavlan-14": "2001:660:4406:58e:3:1::76",
+      "kavlan-16": "2001:660:4406:590:3:1::76",
+      "kavlan-18": "2001:660:4406:592:3:1::76",
+      "kavlan-2": "2001:660:4406:582:3:1::76",
+      "kavlan-20": "2001:660:4406:594:3:1::76",
+      "kavlan-21": "2001:660:4406:595:3:1::76",
+      "kavlan-3": "2001:660:4406:583:3:1::76",
+      "kavlan-4": "2001:660:4406:584:3:1::76",
+      "kavlan-5": "2001:660:4406:585:3:1::76",
+      "kavlan-6": "2001:660:4406:586:3:1::76",
+      "kavlan-7": "2001:660:4406:587:3:1::76",
+      "kavlan-8": "2001:660:4406:588:3:1::76",
+      "kavlan-9": "2001:660:4406:589:3:1::76"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::76",
       "kavlan": true,
       "mac": "98:03:9b:b0:63:93",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-119.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-119.json
index 234ef87ac10b2986d3cf74aad677d756d9a048d0..68803f6565b53c2d4a96f6cfdb5619b32b31c389 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-119.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-119.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.119"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::77",
+      "kavlan-11": "2001:660:4406:58b:3::77",
+      "kavlan-12": "2001:660:4406:58c:3::77",
+      "kavlan-13": "2001:660:4406:58d:3::77",
+      "kavlan-14": "2001:660:4406:58e:3::77",
+      "kavlan-16": "2001:660:4406:590:3::77",
+      "kavlan-18": "2001:660:4406:592:3::77",
+      "kavlan-2": "2001:660:4406:582:3::77",
+      "kavlan-20": "2001:660:4406:594:3::77",
+      "kavlan-21": "2001:660:4406:595:3::77",
+      "kavlan-3": "2001:660:4406:583:3::77",
+      "kavlan-4": "2001:660:4406:584:3::77",
+      "kavlan-5": "2001:660:4406:585:3::77",
+      "kavlan-6": "2001:660:4406:586:3::77",
+      "kavlan-7": "2001:660:4406:587:3::77",
+      "kavlan-8": "2001:660:4406:588:3::77",
+      "kavlan-9": "2001:660:4406:589:3::77"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::77",
+      "kavlan-11": "2001:660:4406:58b:3:1::77",
+      "kavlan-12": "2001:660:4406:58c:3:1::77",
+      "kavlan-13": "2001:660:4406:58d:3:1::77",
+      "kavlan-14": "2001:660:4406:58e:3:1::77",
+      "kavlan-16": "2001:660:4406:590:3:1::77",
+      "kavlan-18": "2001:660:4406:592:3:1::77",
+      "kavlan-2": "2001:660:4406:582:3:1::77",
+      "kavlan-20": "2001:660:4406:594:3:1::77",
+      "kavlan-21": "2001:660:4406:595:3:1::77",
+      "kavlan-3": "2001:660:4406:583:3:1::77",
+      "kavlan-4": "2001:660:4406:584:3:1::77",
+      "kavlan-5": "2001:660:4406:585:3:1::77",
+      "kavlan-6": "2001:660:4406:586:3:1::77",
+      "kavlan-7": "2001:660:4406:587:3:1::77",
+      "kavlan-8": "2001:660:4406:588:3:1::77",
+      "kavlan-9": "2001:660:4406:589:3:1::77"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::77",
       "kavlan": true,
       "mac": "98:03:9b:b0:63:8b",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-12.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-12.json
index dac1e0c323637b016227818bb1a9a10160f205db..96602ca3c8ae42e186c17519e50de38f94fdfd79 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-12.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-12.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.12"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::c",
+      "kavlan-11": "2001:660:4406:58b:3::c",
+      "kavlan-12": "2001:660:4406:58c:3::c",
+      "kavlan-13": "2001:660:4406:58d:3::c",
+      "kavlan-14": "2001:660:4406:58e:3::c",
+      "kavlan-16": "2001:660:4406:590:3::c",
+      "kavlan-18": "2001:660:4406:592:3::c",
+      "kavlan-2": "2001:660:4406:582:3::c",
+      "kavlan-20": "2001:660:4406:594:3::c",
+      "kavlan-21": "2001:660:4406:595:3::c",
+      "kavlan-3": "2001:660:4406:583:3::c",
+      "kavlan-4": "2001:660:4406:584:3::c",
+      "kavlan-5": "2001:660:4406:585:3::c",
+      "kavlan-6": "2001:660:4406:586:3::c",
+      "kavlan-7": "2001:660:4406:587:3::c",
+      "kavlan-8": "2001:660:4406:588:3::c",
+      "kavlan-9": "2001:660:4406:589:3::c"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::c",
+      "kavlan-11": "2001:660:4406:58b:3:1::c",
+      "kavlan-12": "2001:660:4406:58c:3:1::c",
+      "kavlan-13": "2001:660:4406:58d:3:1::c",
+      "kavlan-14": "2001:660:4406:58e:3:1::c",
+      "kavlan-16": "2001:660:4406:590:3:1::c",
+      "kavlan-18": "2001:660:4406:592:3:1::c",
+      "kavlan-2": "2001:660:4406:582:3:1::c",
+      "kavlan-20": "2001:660:4406:594:3:1::c",
+      "kavlan-21": "2001:660:4406:595:3:1::c",
+      "kavlan-3": "2001:660:4406:583:3:1::c",
+      "kavlan-4": "2001:660:4406:584:3:1::c",
+      "kavlan-5": "2001:660:4406:585:3:1::c",
+      "kavlan-6": "2001:660:4406:586:3:1::c",
+      "kavlan-7": "2001:660:4406:587:3:1::c",
+      "kavlan-8": "2001:660:4406:588:3:1::c",
+      "kavlan-9": "2001:660:4406:589:3:1::c"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::c",
       "kavlan": true,
       "mac": "98:03:9b:b0:c6:27",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-120.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-120.json
index 60c4f8dfb2e49fba3eec106b177d0bfcbdf67c99..45c4844766993ee366ed7b82a38af46fe369d5e2 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-120.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-120.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.120"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::78",
+      "kavlan-11": "2001:660:4406:58b:3::78",
+      "kavlan-12": "2001:660:4406:58c:3::78",
+      "kavlan-13": "2001:660:4406:58d:3::78",
+      "kavlan-14": "2001:660:4406:58e:3::78",
+      "kavlan-16": "2001:660:4406:590:3::78",
+      "kavlan-18": "2001:660:4406:592:3::78",
+      "kavlan-2": "2001:660:4406:582:3::78",
+      "kavlan-20": "2001:660:4406:594:3::78",
+      "kavlan-21": "2001:660:4406:595:3::78",
+      "kavlan-3": "2001:660:4406:583:3::78",
+      "kavlan-4": "2001:660:4406:584:3::78",
+      "kavlan-5": "2001:660:4406:585:3::78",
+      "kavlan-6": "2001:660:4406:586:3::78",
+      "kavlan-7": "2001:660:4406:587:3::78",
+      "kavlan-8": "2001:660:4406:588:3::78",
+      "kavlan-9": "2001:660:4406:589:3::78"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::78",
+      "kavlan-11": "2001:660:4406:58b:3:1::78",
+      "kavlan-12": "2001:660:4406:58c:3:1::78",
+      "kavlan-13": "2001:660:4406:58d:3:1::78",
+      "kavlan-14": "2001:660:4406:58e:3:1::78",
+      "kavlan-16": "2001:660:4406:590:3:1::78",
+      "kavlan-18": "2001:660:4406:592:3:1::78",
+      "kavlan-2": "2001:660:4406:582:3:1::78",
+      "kavlan-20": "2001:660:4406:594:3:1::78",
+      "kavlan-21": "2001:660:4406:595:3:1::78",
+      "kavlan-3": "2001:660:4406:583:3:1::78",
+      "kavlan-4": "2001:660:4406:584:3:1::78",
+      "kavlan-5": "2001:660:4406:585:3:1::78",
+      "kavlan-6": "2001:660:4406:586:3:1::78",
+      "kavlan-7": "2001:660:4406:587:3:1::78",
+      "kavlan-8": "2001:660:4406:588:3:1::78",
+      "kavlan-9": "2001:660:4406:589:3:1::78"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::78",
       "kavlan": true,
       "mac": "98:03:9b:b0:cc:b7",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-121.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-121.json
index b0128fe620624f3dd2cdce90bce166caddeff409..fddb6a85e526b86e9b3f81c2b22a494a5ab75bae 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-121.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-121.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.121"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::79",
+      "kavlan-11": "2001:660:4406:58b:3::79",
+      "kavlan-12": "2001:660:4406:58c:3::79",
+      "kavlan-13": "2001:660:4406:58d:3::79",
+      "kavlan-14": "2001:660:4406:58e:3::79",
+      "kavlan-16": "2001:660:4406:590:3::79",
+      "kavlan-18": "2001:660:4406:592:3::79",
+      "kavlan-2": "2001:660:4406:582:3::79",
+      "kavlan-20": "2001:660:4406:594:3::79",
+      "kavlan-21": "2001:660:4406:595:3::79",
+      "kavlan-3": "2001:660:4406:583:3::79",
+      "kavlan-4": "2001:660:4406:584:3::79",
+      "kavlan-5": "2001:660:4406:585:3::79",
+      "kavlan-6": "2001:660:4406:586:3::79",
+      "kavlan-7": "2001:660:4406:587:3::79",
+      "kavlan-8": "2001:660:4406:588:3::79",
+      "kavlan-9": "2001:660:4406:589:3::79"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::79",
+      "kavlan-11": "2001:660:4406:58b:3:1::79",
+      "kavlan-12": "2001:660:4406:58c:3:1::79",
+      "kavlan-13": "2001:660:4406:58d:3:1::79",
+      "kavlan-14": "2001:660:4406:58e:3:1::79",
+      "kavlan-16": "2001:660:4406:590:3:1::79",
+      "kavlan-18": "2001:660:4406:592:3:1::79",
+      "kavlan-2": "2001:660:4406:582:3:1::79",
+      "kavlan-20": "2001:660:4406:594:3:1::79",
+      "kavlan-21": "2001:660:4406:595:3:1::79",
+      "kavlan-3": "2001:660:4406:583:3:1::79",
+      "kavlan-4": "2001:660:4406:584:3:1::79",
+      "kavlan-5": "2001:660:4406:585:3:1::79",
+      "kavlan-6": "2001:660:4406:586:3:1::79",
+      "kavlan-7": "2001:660:4406:587:3:1::79",
+      "kavlan-8": "2001:660:4406:588:3:1::79",
+      "kavlan-9": "2001:660:4406:589:3:1::79"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::79",
       "kavlan": true,
       "mac": "98:03:9b:b0:d2:77",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-122.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-122.json
index eb3fe86fe60128a8ea1920136d6abaf82b751105..9d18f5a9289b16d54a42a8adbc2a2708673b4d64 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-122.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-122.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.122"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::7a",
+      "kavlan-11": "2001:660:4406:58b:3::7a",
+      "kavlan-12": "2001:660:4406:58c:3::7a",
+      "kavlan-13": "2001:660:4406:58d:3::7a",
+      "kavlan-14": "2001:660:4406:58e:3::7a",
+      "kavlan-16": "2001:660:4406:590:3::7a",
+      "kavlan-18": "2001:660:4406:592:3::7a",
+      "kavlan-2": "2001:660:4406:582:3::7a",
+      "kavlan-20": "2001:660:4406:594:3::7a",
+      "kavlan-21": "2001:660:4406:595:3::7a",
+      "kavlan-3": "2001:660:4406:583:3::7a",
+      "kavlan-4": "2001:660:4406:584:3::7a",
+      "kavlan-5": "2001:660:4406:585:3::7a",
+      "kavlan-6": "2001:660:4406:586:3::7a",
+      "kavlan-7": "2001:660:4406:587:3::7a",
+      "kavlan-8": "2001:660:4406:588:3::7a",
+      "kavlan-9": "2001:660:4406:589:3::7a"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::7a",
+      "kavlan-11": "2001:660:4406:58b:3:1::7a",
+      "kavlan-12": "2001:660:4406:58c:3:1::7a",
+      "kavlan-13": "2001:660:4406:58d:3:1::7a",
+      "kavlan-14": "2001:660:4406:58e:3:1::7a",
+      "kavlan-16": "2001:660:4406:590:3:1::7a",
+      "kavlan-18": "2001:660:4406:592:3:1::7a",
+      "kavlan-2": "2001:660:4406:582:3:1::7a",
+      "kavlan-20": "2001:660:4406:594:3:1::7a",
+      "kavlan-21": "2001:660:4406:595:3:1::7a",
+      "kavlan-3": "2001:660:4406:583:3:1::7a",
+      "kavlan-4": "2001:660:4406:584:3:1::7a",
+      "kavlan-5": "2001:660:4406:585:3:1::7a",
+      "kavlan-6": "2001:660:4406:586:3:1::7a",
+      "kavlan-7": "2001:660:4406:587:3:1::7a",
+      "kavlan-8": "2001:660:4406:588:3:1::7a",
+      "kavlan-9": "2001:660:4406:589:3:1::7a"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::7a",
       "kavlan": true,
       "mac": "98:03:9b:b0:63:db",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-123.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-123.json
index c76e283eadfbb0cd2a0955ff3547d2b590142a91..781b94d50f56b2195f297317cea2b88a600baf85 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-123.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-123.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.123"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::7b",
+      "kavlan-11": "2001:660:4406:58b:3::7b",
+      "kavlan-12": "2001:660:4406:58c:3::7b",
+      "kavlan-13": "2001:660:4406:58d:3::7b",
+      "kavlan-14": "2001:660:4406:58e:3::7b",
+      "kavlan-16": "2001:660:4406:590:3::7b",
+      "kavlan-18": "2001:660:4406:592:3::7b",
+      "kavlan-2": "2001:660:4406:582:3::7b",
+      "kavlan-20": "2001:660:4406:594:3::7b",
+      "kavlan-21": "2001:660:4406:595:3::7b",
+      "kavlan-3": "2001:660:4406:583:3::7b",
+      "kavlan-4": "2001:660:4406:584:3::7b",
+      "kavlan-5": "2001:660:4406:585:3::7b",
+      "kavlan-6": "2001:660:4406:586:3::7b",
+      "kavlan-7": "2001:660:4406:587:3::7b",
+      "kavlan-8": "2001:660:4406:588:3::7b",
+      "kavlan-9": "2001:660:4406:589:3::7b"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::7b",
+      "kavlan-11": "2001:660:4406:58b:3:1::7b",
+      "kavlan-12": "2001:660:4406:58c:3:1::7b",
+      "kavlan-13": "2001:660:4406:58d:3:1::7b",
+      "kavlan-14": "2001:660:4406:58e:3:1::7b",
+      "kavlan-16": "2001:660:4406:590:3:1::7b",
+      "kavlan-18": "2001:660:4406:592:3:1::7b",
+      "kavlan-2": "2001:660:4406:582:3:1::7b",
+      "kavlan-20": "2001:660:4406:594:3:1::7b",
+      "kavlan-21": "2001:660:4406:595:3:1::7b",
+      "kavlan-3": "2001:660:4406:583:3:1::7b",
+      "kavlan-4": "2001:660:4406:584:3:1::7b",
+      "kavlan-5": "2001:660:4406:585:3:1::7b",
+      "kavlan-6": "2001:660:4406:586:3:1::7b",
+      "kavlan-7": "2001:660:4406:587:3:1::7b",
+      "kavlan-8": "2001:660:4406:588:3:1::7b",
+      "kavlan-9": "2001:660:4406:589:3:1::7b"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::7b",
       "kavlan": true,
       "mac": "98:03:9b:b0:cc:bf",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-124.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-124.json
index dc7b0a1151df523f3e97d408758cd09f7d1ab8fd..24aa03ec2a8aab6fc8cf6299a7e76728d9674e3c 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-124.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-124.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.124"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::7c",
+      "kavlan-11": "2001:660:4406:58b:3::7c",
+      "kavlan-12": "2001:660:4406:58c:3::7c",
+      "kavlan-13": "2001:660:4406:58d:3::7c",
+      "kavlan-14": "2001:660:4406:58e:3::7c",
+      "kavlan-16": "2001:660:4406:590:3::7c",
+      "kavlan-18": "2001:660:4406:592:3::7c",
+      "kavlan-2": "2001:660:4406:582:3::7c",
+      "kavlan-20": "2001:660:4406:594:3::7c",
+      "kavlan-21": "2001:660:4406:595:3::7c",
+      "kavlan-3": "2001:660:4406:583:3::7c",
+      "kavlan-4": "2001:660:4406:584:3::7c",
+      "kavlan-5": "2001:660:4406:585:3::7c",
+      "kavlan-6": "2001:660:4406:586:3::7c",
+      "kavlan-7": "2001:660:4406:587:3::7c",
+      "kavlan-8": "2001:660:4406:588:3::7c",
+      "kavlan-9": "2001:660:4406:589:3::7c"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::7c",
+      "kavlan-11": "2001:660:4406:58b:3:1::7c",
+      "kavlan-12": "2001:660:4406:58c:3:1::7c",
+      "kavlan-13": "2001:660:4406:58d:3:1::7c",
+      "kavlan-14": "2001:660:4406:58e:3:1::7c",
+      "kavlan-16": "2001:660:4406:590:3:1::7c",
+      "kavlan-18": "2001:660:4406:592:3:1::7c",
+      "kavlan-2": "2001:660:4406:582:3:1::7c",
+      "kavlan-20": "2001:660:4406:594:3:1::7c",
+      "kavlan-21": "2001:660:4406:595:3:1::7c",
+      "kavlan-3": "2001:660:4406:583:3:1::7c",
+      "kavlan-4": "2001:660:4406:584:3:1::7c",
+      "kavlan-5": "2001:660:4406:585:3:1::7c",
+      "kavlan-6": "2001:660:4406:586:3:1::7c",
+      "kavlan-7": "2001:660:4406:587:3:1::7c",
+      "kavlan-8": "2001:660:4406:588:3:1::7c",
+      "kavlan-9": "2001:660:4406:589:3:1::7c"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::7c",
       "kavlan": true,
       "mac": "98:03:9b:b0:99:7b",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-13.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-13.json
index 95ffa9d85e898ae963b31d54430ec7330da07696..149304fc4dc976e36ec24cb7ec20a03360c75775 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-13.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-13.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.13"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::d",
+      "kavlan-11": "2001:660:4406:58b:3::d",
+      "kavlan-12": "2001:660:4406:58c:3::d",
+      "kavlan-13": "2001:660:4406:58d:3::d",
+      "kavlan-14": "2001:660:4406:58e:3::d",
+      "kavlan-16": "2001:660:4406:590:3::d",
+      "kavlan-18": "2001:660:4406:592:3::d",
+      "kavlan-2": "2001:660:4406:582:3::d",
+      "kavlan-20": "2001:660:4406:594:3::d",
+      "kavlan-21": "2001:660:4406:595:3::d",
+      "kavlan-3": "2001:660:4406:583:3::d",
+      "kavlan-4": "2001:660:4406:584:3::d",
+      "kavlan-5": "2001:660:4406:585:3::d",
+      "kavlan-6": "2001:660:4406:586:3::d",
+      "kavlan-7": "2001:660:4406:587:3::d",
+      "kavlan-8": "2001:660:4406:588:3::d",
+      "kavlan-9": "2001:660:4406:589:3::d"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::d",
+      "kavlan-11": "2001:660:4406:58b:3:1::d",
+      "kavlan-12": "2001:660:4406:58c:3:1::d",
+      "kavlan-13": "2001:660:4406:58d:3:1::d",
+      "kavlan-14": "2001:660:4406:58e:3:1::d",
+      "kavlan-16": "2001:660:4406:590:3:1::d",
+      "kavlan-18": "2001:660:4406:592:3:1::d",
+      "kavlan-2": "2001:660:4406:582:3:1::d",
+      "kavlan-20": "2001:660:4406:594:3:1::d",
+      "kavlan-21": "2001:660:4406:595:3:1::d",
+      "kavlan-3": "2001:660:4406:583:3:1::d",
+      "kavlan-4": "2001:660:4406:584:3:1::d",
+      "kavlan-5": "2001:660:4406:585:3:1::d",
+      "kavlan-6": "2001:660:4406:586:3:1::d",
+      "kavlan-7": "2001:660:4406:587:3:1::d",
+      "kavlan-8": "2001:660:4406:588:3:1::d",
+      "kavlan-9": "2001:660:4406:589:3:1::d"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::d",
       "kavlan": true,
       "mac": "98:03:9b:b0:bb:67",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-14.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-14.json
index 2778f52a13c8cb1e1223f16fccf7500f6f1a5c88..e5c360bb93c8d56658e53b078c979b426787bf88 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-14.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-14.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.14"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::e",
+      "kavlan-11": "2001:660:4406:58b:3::e",
+      "kavlan-12": "2001:660:4406:58c:3::e",
+      "kavlan-13": "2001:660:4406:58d:3::e",
+      "kavlan-14": "2001:660:4406:58e:3::e",
+      "kavlan-16": "2001:660:4406:590:3::e",
+      "kavlan-18": "2001:660:4406:592:3::e",
+      "kavlan-2": "2001:660:4406:582:3::e",
+      "kavlan-20": "2001:660:4406:594:3::e",
+      "kavlan-21": "2001:660:4406:595:3::e",
+      "kavlan-3": "2001:660:4406:583:3::e",
+      "kavlan-4": "2001:660:4406:584:3::e",
+      "kavlan-5": "2001:660:4406:585:3::e",
+      "kavlan-6": "2001:660:4406:586:3::e",
+      "kavlan-7": "2001:660:4406:587:3::e",
+      "kavlan-8": "2001:660:4406:588:3::e",
+      "kavlan-9": "2001:660:4406:589:3::e"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::e",
+      "kavlan-11": "2001:660:4406:58b:3:1::e",
+      "kavlan-12": "2001:660:4406:58c:3:1::e",
+      "kavlan-13": "2001:660:4406:58d:3:1::e",
+      "kavlan-14": "2001:660:4406:58e:3:1::e",
+      "kavlan-16": "2001:660:4406:590:3:1::e",
+      "kavlan-18": "2001:660:4406:592:3:1::e",
+      "kavlan-2": "2001:660:4406:582:3:1::e",
+      "kavlan-20": "2001:660:4406:594:3:1::e",
+      "kavlan-21": "2001:660:4406:595:3:1::e",
+      "kavlan-3": "2001:660:4406:583:3:1::e",
+      "kavlan-4": "2001:660:4406:584:3:1::e",
+      "kavlan-5": "2001:660:4406:585:3:1::e",
+      "kavlan-6": "2001:660:4406:586:3:1::e",
+      "kavlan-7": "2001:660:4406:587:3:1::e",
+      "kavlan-8": "2001:660:4406:588:3:1::e",
+      "kavlan-9": "2001:660:4406:589:3:1::e"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::e",
       "kavlan": true,
       "mac": "98:03:9b:b0:c8:8f",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-15.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-15.json
index 0547fd7e492e468cba99320f6f6f1a95ac8e6fd9..edf41080e661642ebcb8ae4cb8d5dec8262ebecf 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-15.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-15.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.15"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::f",
+      "kavlan-11": "2001:660:4406:58b:3::f",
+      "kavlan-12": "2001:660:4406:58c:3::f",
+      "kavlan-13": "2001:660:4406:58d:3::f",
+      "kavlan-14": "2001:660:4406:58e:3::f",
+      "kavlan-16": "2001:660:4406:590:3::f",
+      "kavlan-18": "2001:660:4406:592:3::f",
+      "kavlan-2": "2001:660:4406:582:3::f",
+      "kavlan-20": "2001:660:4406:594:3::f",
+      "kavlan-21": "2001:660:4406:595:3::f",
+      "kavlan-3": "2001:660:4406:583:3::f",
+      "kavlan-4": "2001:660:4406:584:3::f",
+      "kavlan-5": "2001:660:4406:585:3::f",
+      "kavlan-6": "2001:660:4406:586:3::f",
+      "kavlan-7": "2001:660:4406:587:3::f",
+      "kavlan-8": "2001:660:4406:588:3::f",
+      "kavlan-9": "2001:660:4406:589:3::f"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::f",
+      "kavlan-11": "2001:660:4406:58b:3:1::f",
+      "kavlan-12": "2001:660:4406:58c:3:1::f",
+      "kavlan-13": "2001:660:4406:58d:3:1::f",
+      "kavlan-14": "2001:660:4406:58e:3:1::f",
+      "kavlan-16": "2001:660:4406:590:3:1::f",
+      "kavlan-18": "2001:660:4406:592:3:1::f",
+      "kavlan-2": "2001:660:4406:582:3:1::f",
+      "kavlan-20": "2001:660:4406:594:3:1::f",
+      "kavlan-21": "2001:660:4406:595:3:1::f",
+      "kavlan-3": "2001:660:4406:583:3:1::f",
+      "kavlan-4": "2001:660:4406:584:3:1::f",
+      "kavlan-5": "2001:660:4406:585:3:1::f",
+      "kavlan-6": "2001:660:4406:586:3:1::f",
+      "kavlan-7": "2001:660:4406:587:3:1::f",
+      "kavlan-8": "2001:660:4406:588:3:1::f",
+      "kavlan-9": "2001:660:4406:589:3:1::f"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::f",
       "kavlan": true,
       "mac": "98:03:9b:b0:c9:bf",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-16.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-16.json
index f432281a49a9894ea3e26ab45868464bb5c5f015..a2a80db5a1103d740253d9d06bb328413af8fc35 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-16.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-16.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.16"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::10",
+      "kavlan-11": "2001:660:4406:58b:3::10",
+      "kavlan-12": "2001:660:4406:58c:3::10",
+      "kavlan-13": "2001:660:4406:58d:3::10",
+      "kavlan-14": "2001:660:4406:58e:3::10",
+      "kavlan-16": "2001:660:4406:590:3::10",
+      "kavlan-18": "2001:660:4406:592:3::10",
+      "kavlan-2": "2001:660:4406:582:3::10",
+      "kavlan-20": "2001:660:4406:594:3::10",
+      "kavlan-21": "2001:660:4406:595:3::10",
+      "kavlan-3": "2001:660:4406:583:3::10",
+      "kavlan-4": "2001:660:4406:584:3::10",
+      "kavlan-5": "2001:660:4406:585:3::10",
+      "kavlan-6": "2001:660:4406:586:3::10",
+      "kavlan-7": "2001:660:4406:587:3::10",
+      "kavlan-8": "2001:660:4406:588:3::10",
+      "kavlan-9": "2001:660:4406:589:3::10"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::10",
+      "kavlan-11": "2001:660:4406:58b:3:1::10",
+      "kavlan-12": "2001:660:4406:58c:3:1::10",
+      "kavlan-13": "2001:660:4406:58d:3:1::10",
+      "kavlan-14": "2001:660:4406:58e:3:1::10",
+      "kavlan-16": "2001:660:4406:590:3:1::10",
+      "kavlan-18": "2001:660:4406:592:3:1::10",
+      "kavlan-2": "2001:660:4406:582:3:1::10",
+      "kavlan-20": "2001:660:4406:594:3:1::10",
+      "kavlan-21": "2001:660:4406:595:3:1::10",
+      "kavlan-3": "2001:660:4406:583:3:1::10",
+      "kavlan-4": "2001:660:4406:584:3:1::10",
+      "kavlan-5": "2001:660:4406:585:3:1::10",
+      "kavlan-6": "2001:660:4406:586:3:1::10",
+      "kavlan-7": "2001:660:4406:587:3:1::10",
+      "kavlan-8": "2001:660:4406:588:3:1::10",
+      "kavlan-9": "2001:660:4406:589:3:1::10"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::10",
       "kavlan": true,
       "mac": "98:03:9b:b0:9b:6b",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-17.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-17.json
index 60a4cc90abc0c1de81831f426f0901d07ffa849e..703351792cb93f775113b9c4878312f96d4b1d9d 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-17.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-17.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.17"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::11",
+      "kavlan-11": "2001:660:4406:58b:3::11",
+      "kavlan-12": "2001:660:4406:58c:3::11",
+      "kavlan-13": "2001:660:4406:58d:3::11",
+      "kavlan-14": "2001:660:4406:58e:3::11",
+      "kavlan-16": "2001:660:4406:590:3::11",
+      "kavlan-18": "2001:660:4406:592:3::11",
+      "kavlan-2": "2001:660:4406:582:3::11",
+      "kavlan-20": "2001:660:4406:594:3::11",
+      "kavlan-21": "2001:660:4406:595:3::11",
+      "kavlan-3": "2001:660:4406:583:3::11",
+      "kavlan-4": "2001:660:4406:584:3::11",
+      "kavlan-5": "2001:660:4406:585:3::11",
+      "kavlan-6": "2001:660:4406:586:3::11",
+      "kavlan-7": "2001:660:4406:587:3::11",
+      "kavlan-8": "2001:660:4406:588:3::11",
+      "kavlan-9": "2001:660:4406:589:3::11"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::11",
+      "kavlan-11": "2001:660:4406:58b:3:1::11",
+      "kavlan-12": "2001:660:4406:58c:3:1::11",
+      "kavlan-13": "2001:660:4406:58d:3:1::11",
+      "kavlan-14": "2001:660:4406:58e:3:1::11",
+      "kavlan-16": "2001:660:4406:590:3:1::11",
+      "kavlan-18": "2001:660:4406:592:3:1::11",
+      "kavlan-2": "2001:660:4406:582:3:1::11",
+      "kavlan-20": "2001:660:4406:594:3:1::11",
+      "kavlan-21": "2001:660:4406:595:3:1::11",
+      "kavlan-3": "2001:660:4406:583:3:1::11",
+      "kavlan-4": "2001:660:4406:584:3:1::11",
+      "kavlan-5": "2001:660:4406:585:3:1::11",
+      "kavlan-6": "2001:660:4406:586:3:1::11",
+      "kavlan-7": "2001:660:4406:587:3:1::11",
+      "kavlan-8": "2001:660:4406:588:3:1::11",
+      "kavlan-9": "2001:660:4406:589:3:1::11"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::11",
       "kavlan": true,
       "mac": "98:03:9b:b0:97:3b",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-18.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-18.json
index ae2e07adbb28787fd482fc465a681dcea61a2119..a0cac1e36d4019ba3691e8cf51ca601cdf611d42 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-18.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-18.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.18"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::12",
+      "kavlan-11": "2001:660:4406:58b:3::12",
+      "kavlan-12": "2001:660:4406:58c:3::12",
+      "kavlan-13": "2001:660:4406:58d:3::12",
+      "kavlan-14": "2001:660:4406:58e:3::12",
+      "kavlan-16": "2001:660:4406:590:3::12",
+      "kavlan-18": "2001:660:4406:592:3::12",
+      "kavlan-2": "2001:660:4406:582:3::12",
+      "kavlan-20": "2001:660:4406:594:3::12",
+      "kavlan-21": "2001:660:4406:595:3::12",
+      "kavlan-3": "2001:660:4406:583:3::12",
+      "kavlan-4": "2001:660:4406:584:3::12",
+      "kavlan-5": "2001:660:4406:585:3::12",
+      "kavlan-6": "2001:660:4406:586:3::12",
+      "kavlan-7": "2001:660:4406:587:3::12",
+      "kavlan-8": "2001:660:4406:588:3::12",
+      "kavlan-9": "2001:660:4406:589:3::12"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::12",
+      "kavlan-11": "2001:660:4406:58b:3:1::12",
+      "kavlan-12": "2001:660:4406:58c:3:1::12",
+      "kavlan-13": "2001:660:4406:58d:3:1::12",
+      "kavlan-14": "2001:660:4406:58e:3:1::12",
+      "kavlan-16": "2001:660:4406:590:3:1::12",
+      "kavlan-18": "2001:660:4406:592:3:1::12",
+      "kavlan-2": "2001:660:4406:582:3:1::12",
+      "kavlan-20": "2001:660:4406:594:3:1::12",
+      "kavlan-21": "2001:660:4406:595:3:1::12",
+      "kavlan-3": "2001:660:4406:583:3:1::12",
+      "kavlan-4": "2001:660:4406:584:3:1::12",
+      "kavlan-5": "2001:660:4406:585:3:1::12",
+      "kavlan-6": "2001:660:4406:586:3:1::12",
+      "kavlan-7": "2001:660:4406:587:3:1::12",
+      "kavlan-8": "2001:660:4406:588:3:1::12",
+      "kavlan-9": "2001:660:4406:589:3:1::12"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::12",
       "kavlan": true,
       "mac": "98:03:9b:b0:97:33",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-19.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-19.json
index 3d1dd7b7c32f1e94b76e91a59d531a96ff2bf139..eb0b38670371757e2493e656c0a419c657d7d73f 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-19.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-19.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.19"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::13",
+      "kavlan-11": "2001:660:4406:58b:3::13",
+      "kavlan-12": "2001:660:4406:58c:3::13",
+      "kavlan-13": "2001:660:4406:58d:3::13",
+      "kavlan-14": "2001:660:4406:58e:3::13",
+      "kavlan-16": "2001:660:4406:590:3::13",
+      "kavlan-18": "2001:660:4406:592:3::13",
+      "kavlan-2": "2001:660:4406:582:3::13",
+      "kavlan-20": "2001:660:4406:594:3::13",
+      "kavlan-21": "2001:660:4406:595:3::13",
+      "kavlan-3": "2001:660:4406:583:3::13",
+      "kavlan-4": "2001:660:4406:584:3::13",
+      "kavlan-5": "2001:660:4406:585:3::13",
+      "kavlan-6": "2001:660:4406:586:3::13",
+      "kavlan-7": "2001:660:4406:587:3::13",
+      "kavlan-8": "2001:660:4406:588:3::13",
+      "kavlan-9": "2001:660:4406:589:3::13"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::13",
+      "kavlan-11": "2001:660:4406:58b:3:1::13",
+      "kavlan-12": "2001:660:4406:58c:3:1::13",
+      "kavlan-13": "2001:660:4406:58d:3:1::13",
+      "kavlan-14": "2001:660:4406:58e:3:1::13",
+      "kavlan-16": "2001:660:4406:590:3:1::13",
+      "kavlan-18": "2001:660:4406:592:3:1::13",
+      "kavlan-2": "2001:660:4406:582:3:1::13",
+      "kavlan-20": "2001:660:4406:594:3:1::13",
+      "kavlan-21": "2001:660:4406:595:3:1::13",
+      "kavlan-3": "2001:660:4406:583:3:1::13",
+      "kavlan-4": "2001:660:4406:584:3:1::13",
+      "kavlan-5": "2001:660:4406:585:3:1::13",
+      "kavlan-6": "2001:660:4406:586:3:1::13",
+      "kavlan-7": "2001:660:4406:587:3:1::13",
+      "kavlan-8": "2001:660:4406:588:3:1::13",
+      "kavlan-9": "2001:660:4406:589:3:1::13"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::13",
       "kavlan": true,
       "mac": "98:03:9b:b0:b4:b7",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-2.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-2.json
index 8107f7e5ba3c46be30ab66d4fba9c7486c0fc77b..78dbd1e1702bf66a8b0bc987e1729b52e86ef2d0 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-2.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-2.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.2"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::2",
+      "kavlan-11": "2001:660:4406:58b:3::2",
+      "kavlan-12": "2001:660:4406:58c:3::2",
+      "kavlan-13": "2001:660:4406:58d:3::2",
+      "kavlan-14": "2001:660:4406:58e:3::2",
+      "kavlan-16": "2001:660:4406:590:3::2",
+      "kavlan-18": "2001:660:4406:592:3::2",
+      "kavlan-2": "2001:660:4406:582:3::2",
+      "kavlan-20": "2001:660:4406:594:3::2",
+      "kavlan-21": "2001:660:4406:595:3::2",
+      "kavlan-3": "2001:660:4406:583:3::2",
+      "kavlan-4": "2001:660:4406:584:3::2",
+      "kavlan-5": "2001:660:4406:585:3::2",
+      "kavlan-6": "2001:660:4406:586:3::2",
+      "kavlan-7": "2001:660:4406:587:3::2",
+      "kavlan-8": "2001:660:4406:588:3::2",
+      "kavlan-9": "2001:660:4406:589:3::2"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::2",
+      "kavlan-11": "2001:660:4406:58b:3:1::2",
+      "kavlan-12": "2001:660:4406:58c:3:1::2",
+      "kavlan-13": "2001:660:4406:58d:3:1::2",
+      "kavlan-14": "2001:660:4406:58e:3:1::2",
+      "kavlan-16": "2001:660:4406:590:3:1::2",
+      "kavlan-18": "2001:660:4406:592:3:1::2",
+      "kavlan-2": "2001:660:4406:582:3:1::2",
+      "kavlan-20": "2001:660:4406:594:3:1::2",
+      "kavlan-21": "2001:660:4406:595:3:1::2",
+      "kavlan-3": "2001:660:4406:583:3:1::2",
+      "kavlan-4": "2001:660:4406:584:3:1::2",
+      "kavlan-5": "2001:660:4406:585:3:1::2",
+      "kavlan-6": "2001:660:4406:586:3:1::2",
+      "kavlan-7": "2001:660:4406:587:3:1::2",
+      "kavlan-8": "2001:660:4406:588:3:1::2",
+      "kavlan-9": "2001:660:4406:589:3:1::2"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::2",
       "kavlan": true,
       "mac": "98:03:9b:b0:65:b3",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-20.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-20.json
index 21d1b4a70d2db11e03ab1de7ce62a11d80152430..6908d0a35ad348969b598aa98251b9b9175decdc 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-20.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-20.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.20"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::14",
+      "kavlan-11": "2001:660:4406:58b:3::14",
+      "kavlan-12": "2001:660:4406:58c:3::14",
+      "kavlan-13": "2001:660:4406:58d:3::14",
+      "kavlan-14": "2001:660:4406:58e:3::14",
+      "kavlan-16": "2001:660:4406:590:3::14",
+      "kavlan-18": "2001:660:4406:592:3::14",
+      "kavlan-2": "2001:660:4406:582:3::14",
+      "kavlan-20": "2001:660:4406:594:3::14",
+      "kavlan-21": "2001:660:4406:595:3::14",
+      "kavlan-3": "2001:660:4406:583:3::14",
+      "kavlan-4": "2001:660:4406:584:3::14",
+      "kavlan-5": "2001:660:4406:585:3::14",
+      "kavlan-6": "2001:660:4406:586:3::14",
+      "kavlan-7": "2001:660:4406:587:3::14",
+      "kavlan-8": "2001:660:4406:588:3::14",
+      "kavlan-9": "2001:660:4406:589:3::14"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::14",
+      "kavlan-11": "2001:660:4406:58b:3:1::14",
+      "kavlan-12": "2001:660:4406:58c:3:1::14",
+      "kavlan-13": "2001:660:4406:58d:3:1::14",
+      "kavlan-14": "2001:660:4406:58e:3:1::14",
+      "kavlan-16": "2001:660:4406:590:3:1::14",
+      "kavlan-18": "2001:660:4406:592:3:1::14",
+      "kavlan-2": "2001:660:4406:582:3:1::14",
+      "kavlan-20": "2001:660:4406:594:3:1::14",
+      "kavlan-21": "2001:660:4406:595:3:1::14",
+      "kavlan-3": "2001:660:4406:583:3:1::14",
+      "kavlan-4": "2001:660:4406:584:3:1::14",
+      "kavlan-5": "2001:660:4406:585:3:1::14",
+      "kavlan-6": "2001:660:4406:586:3:1::14",
+      "kavlan-7": "2001:660:4406:587:3:1::14",
+      "kavlan-8": "2001:660:4406:588:3:1::14",
+      "kavlan-9": "2001:660:4406:589:3:1::14"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::14",
       "kavlan": true,
       "mac": "98:03:9b:b0:a7:7f",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-21.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-21.json
index e5eb9ad43ad596c124f1aad82fdb692da05b06b1..e53d78554fbd2df80e65d8f183e2f0ae1823d448 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-21.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-21.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.21"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::15",
+      "kavlan-11": "2001:660:4406:58b:3::15",
+      "kavlan-12": "2001:660:4406:58c:3::15",
+      "kavlan-13": "2001:660:4406:58d:3::15",
+      "kavlan-14": "2001:660:4406:58e:3::15",
+      "kavlan-16": "2001:660:4406:590:3::15",
+      "kavlan-18": "2001:660:4406:592:3::15",
+      "kavlan-2": "2001:660:4406:582:3::15",
+      "kavlan-20": "2001:660:4406:594:3::15",
+      "kavlan-21": "2001:660:4406:595:3::15",
+      "kavlan-3": "2001:660:4406:583:3::15",
+      "kavlan-4": "2001:660:4406:584:3::15",
+      "kavlan-5": "2001:660:4406:585:3::15",
+      "kavlan-6": "2001:660:4406:586:3::15",
+      "kavlan-7": "2001:660:4406:587:3::15",
+      "kavlan-8": "2001:660:4406:588:3::15",
+      "kavlan-9": "2001:660:4406:589:3::15"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::15",
+      "kavlan-11": "2001:660:4406:58b:3:1::15",
+      "kavlan-12": "2001:660:4406:58c:3:1::15",
+      "kavlan-13": "2001:660:4406:58d:3:1::15",
+      "kavlan-14": "2001:660:4406:58e:3:1::15",
+      "kavlan-16": "2001:660:4406:590:3:1::15",
+      "kavlan-18": "2001:660:4406:592:3:1::15",
+      "kavlan-2": "2001:660:4406:582:3:1::15",
+      "kavlan-20": "2001:660:4406:594:3:1::15",
+      "kavlan-21": "2001:660:4406:595:3:1::15",
+      "kavlan-3": "2001:660:4406:583:3:1::15",
+      "kavlan-4": "2001:660:4406:584:3:1::15",
+      "kavlan-5": "2001:660:4406:585:3:1::15",
+      "kavlan-6": "2001:660:4406:586:3:1::15",
+      "kavlan-7": "2001:660:4406:587:3:1::15",
+      "kavlan-8": "2001:660:4406:588:3:1::15",
+      "kavlan-9": "2001:660:4406:589:3:1::15"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::15",
       "kavlan": true,
       "mac": "98:03:9b:b0:a4:4f",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-22.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-22.json
index 5207c12ba28ee2996e4caf9b4248159f3fe52b37..40d313bc624f75d48f3ce3f58240de589c093417 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-22.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-22.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.22"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::16",
+      "kavlan-11": "2001:660:4406:58b:3::16",
+      "kavlan-12": "2001:660:4406:58c:3::16",
+      "kavlan-13": "2001:660:4406:58d:3::16",
+      "kavlan-14": "2001:660:4406:58e:3::16",
+      "kavlan-16": "2001:660:4406:590:3::16",
+      "kavlan-18": "2001:660:4406:592:3::16",
+      "kavlan-2": "2001:660:4406:582:3::16",
+      "kavlan-20": "2001:660:4406:594:3::16",
+      "kavlan-21": "2001:660:4406:595:3::16",
+      "kavlan-3": "2001:660:4406:583:3::16",
+      "kavlan-4": "2001:660:4406:584:3::16",
+      "kavlan-5": "2001:660:4406:585:3::16",
+      "kavlan-6": "2001:660:4406:586:3::16",
+      "kavlan-7": "2001:660:4406:587:3::16",
+      "kavlan-8": "2001:660:4406:588:3::16",
+      "kavlan-9": "2001:660:4406:589:3::16"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::16",
+      "kavlan-11": "2001:660:4406:58b:3:1::16",
+      "kavlan-12": "2001:660:4406:58c:3:1::16",
+      "kavlan-13": "2001:660:4406:58d:3:1::16",
+      "kavlan-14": "2001:660:4406:58e:3:1::16",
+      "kavlan-16": "2001:660:4406:590:3:1::16",
+      "kavlan-18": "2001:660:4406:592:3:1::16",
+      "kavlan-2": "2001:660:4406:582:3:1::16",
+      "kavlan-20": "2001:660:4406:594:3:1::16",
+      "kavlan-21": "2001:660:4406:595:3:1::16",
+      "kavlan-3": "2001:660:4406:583:3:1::16",
+      "kavlan-4": "2001:660:4406:584:3:1::16",
+      "kavlan-5": "2001:660:4406:585:3:1::16",
+      "kavlan-6": "2001:660:4406:586:3:1::16",
+      "kavlan-7": "2001:660:4406:587:3:1::16",
+      "kavlan-8": "2001:660:4406:588:3:1::16",
+      "kavlan-9": "2001:660:4406:589:3:1::16"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::16",
       "kavlan": true,
       "mac": "98:03:9b:b0:c4:e7",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-23.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-23.json
index 0727f6d04a74e41d337b4407f3f960bdb220ebf5..2ac3bcdae99006e1433eebda736ea66c2ac3564a 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-23.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-23.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.23"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::17",
+      "kavlan-11": "2001:660:4406:58b:3::17",
+      "kavlan-12": "2001:660:4406:58c:3::17",
+      "kavlan-13": "2001:660:4406:58d:3::17",
+      "kavlan-14": "2001:660:4406:58e:3::17",
+      "kavlan-16": "2001:660:4406:590:3::17",
+      "kavlan-18": "2001:660:4406:592:3::17",
+      "kavlan-2": "2001:660:4406:582:3::17",
+      "kavlan-20": "2001:660:4406:594:3::17",
+      "kavlan-21": "2001:660:4406:595:3::17",
+      "kavlan-3": "2001:660:4406:583:3::17",
+      "kavlan-4": "2001:660:4406:584:3::17",
+      "kavlan-5": "2001:660:4406:585:3::17",
+      "kavlan-6": "2001:660:4406:586:3::17",
+      "kavlan-7": "2001:660:4406:587:3::17",
+      "kavlan-8": "2001:660:4406:588:3::17",
+      "kavlan-9": "2001:660:4406:589:3::17"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::17",
+      "kavlan-11": "2001:660:4406:58b:3:1::17",
+      "kavlan-12": "2001:660:4406:58c:3:1::17",
+      "kavlan-13": "2001:660:4406:58d:3:1::17",
+      "kavlan-14": "2001:660:4406:58e:3:1::17",
+      "kavlan-16": "2001:660:4406:590:3:1::17",
+      "kavlan-18": "2001:660:4406:592:3:1::17",
+      "kavlan-2": "2001:660:4406:582:3:1::17",
+      "kavlan-20": "2001:660:4406:594:3:1::17",
+      "kavlan-21": "2001:660:4406:595:3:1::17",
+      "kavlan-3": "2001:660:4406:583:3:1::17",
+      "kavlan-4": "2001:660:4406:584:3:1::17",
+      "kavlan-5": "2001:660:4406:585:3:1::17",
+      "kavlan-6": "2001:660:4406:586:3:1::17",
+      "kavlan-7": "2001:660:4406:587:3:1::17",
+      "kavlan-8": "2001:660:4406:588:3:1::17",
+      "kavlan-9": "2001:660:4406:589:3:1::17"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::17",
       "kavlan": true,
       "mac": "98:03:9b:b0:a3:37",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-24.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-24.json
index dfb5599aca776728f7815d937bd80aa1d0da7fac..56709816e6060aad60534085bea673deeb0dbd8c 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-24.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-24.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.24"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::18",
+      "kavlan-11": "2001:660:4406:58b:3::18",
+      "kavlan-12": "2001:660:4406:58c:3::18",
+      "kavlan-13": "2001:660:4406:58d:3::18",
+      "kavlan-14": "2001:660:4406:58e:3::18",
+      "kavlan-16": "2001:660:4406:590:3::18",
+      "kavlan-18": "2001:660:4406:592:3::18",
+      "kavlan-2": "2001:660:4406:582:3::18",
+      "kavlan-20": "2001:660:4406:594:3::18",
+      "kavlan-21": "2001:660:4406:595:3::18",
+      "kavlan-3": "2001:660:4406:583:3::18",
+      "kavlan-4": "2001:660:4406:584:3::18",
+      "kavlan-5": "2001:660:4406:585:3::18",
+      "kavlan-6": "2001:660:4406:586:3::18",
+      "kavlan-7": "2001:660:4406:587:3::18",
+      "kavlan-8": "2001:660:4406:588:3::18",
+      "kavlan-9": "2001:660:4406:589:3::18"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::18",
+      "kavlan-11": "2001:660:4406:58b:3:1::18",
+      "kavlan-12": "2001:660:4406:58c:3:1::18",
+      "kavlan-13": "2001:660:4406:58d:3:1::18",
+      "kavlan-14": "2001:660:4406:58e:3:1::18",
+      "kavlan-16": "2001:660:4406:590:3:1::18",
+      "kavlan-18": "2001:660:4406:592:3:1::18",
+      "kavlan-2": "2001:660:4406:582:3:1::18",
+      "kavlan-20": "2001:660:4406:594:3:1::18",
+      "kavlan-21": "2001:660:4406:595:3:1::18",
+      "kavlan-3": "2001:660:4406:583:3:1::18",
+      "kavlan-4": "2001:660:4406:584:3:1::18",
+      "kavlan-5": "2001:660:4406:585:3:1::18",
+      "kavlan-6": "2001:660:4406:586:3:1::18",
+      "kavlan-7": "2001:660:4406:587:3:1::18",
+      "kavlan-8": "2001:660:4406:588:3:1::18",
+      "kavlan-9": "2001:660:4406:589:3:1::18"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::18",
       "kavlan": true,
       "mac": "98:03:9b:b0:c0:ff",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-25.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-25.json
index 0c52ec0508e56453e5a96a0f2c6727e5c486591b..c5f56e3571d35fe34477fd45ea548e0bc8a75e14 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-25.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-25.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.25"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::19",
+      "kavlan-11": "2001:660:4406:58b:3::19",
+      "kavlan-12": "2001:660:4406:58c:3::19",
+      "kavlan-13": "2001:660:4406:58d:3::19",
+      "kavlan-14": "2001:660:4406:58e:3::19",
+      "kavlan-16": "2001:660:4406:590:3::19",
+      "kavlan-18": "2001:660:4406:592:3::19",
+      "kavlan-2": "2001:660:4406:582:3::19",
+      "kavlan-20": "2001:660:4406:594:3::19",
+      "kavlan-21": "2001:660:4406:595:3::19",
+      "kavlan-3": "2001:660:4406:583:3::19",
+      "kavlan-4": "2001:660:4406:584:3::19",
+      "kavlan-5": "2001:660:4406:585:3::19",
+      "kavlan-6": "2001:660:4406:586:3::19",
+      "kavlan-7": "2001:660:4406:587:3::19",
+      "kavlan-8": "2001:660:4406:588:3::19",
+      "kavlan-9": "2001:660:4406:589:3::19"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::19",
+      "kavlan-11": "2001:660:4406:58b:3:1::19",
+      "kavlan-12": "2001:660:4406:58c:3:1::19",
+      "kavlan-13": "2001:660:4406:58d:3:1::19",
+      "kavlan-14": "2001:660:4406:58e:3:1::19",
+      "kavlan-16": "2001:660:4406:590:3:1::19",
+      "kavlan-18": "2001:660:4406:592:3:1::19",
+      "kavlan-2": "2001:660:4406:582:3:1::19",
+      "kavlan-20": "2001:660:4406:594:3:1::19",
+      "kavlan-21": "2001:660:4406:595:3:1::19",
+      "kavlan-3": "2001:660:4406:583:3:1::19",
+      "kavlan-4": "2001:660:4406:584:3:1::19",
+      "kavlan-5": "2001:660:4406:585:3:1::19",
+      "kavlan-6": "2001:660:4406:586:3:1::19",
+      "kavlan-7": "2001:660:4406:587:3:1::19",
+      "kavlan-8": "2001:660:4406:588:3:1::19",
+      "kavlan-9": "2001:660:4406:589:3:1::19"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::19",
       "kavlan": true,
       "mac": "98:03:9b:b0:cd:7f",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-26.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-26.json
index a1af4316ec10e03c1215e1267b121f7cf2d9497f..cb329f64cf3e460a0dfadc7a219f883d87bbd5a9 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-26.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-26.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.26"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::1a",
+      "kavlan-11": "2001:660:4406:58b:3::1a",
+      "kavlan-12": "2001:660:4406:58c:3::1a",
+      "kavlan-13": "2001:660:4406:58d:3::1a",
+      "kavlan-14": "2001:660:4406:58e:3::1a",
+      "kavlan-16": "2001:660:4406:590:3::1a",
+      "kavlan-18": "2001:660:4406:592:3::1a",
+      "kavlan-2": "2001:660:4406:582:3::1a",
+      "kavlan-20": "2001:660:4406:594:3::1a",
+      "kavlan-21": "2001:660:4406:595:3::1a",
+      "kavlan-3": "2001:660:4406:583:3::1a",
+      "kavlan-4": "2001:660:4406:584:3::1a",
+      "kavlan-5": "2001:660:4406:585:3::1a",
+      "kavlan-6": "2001:660:4406:586:3::1a",
+      "kavlan-7": "2001:660:4406:587:3::1a",
+      "kavlan-8": "2001:660:4406:588:3::1a",
+      "kavlan-9": "2001:660:4406:589:3::1a"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::1a",
+      "kavlan-11": "2001:660:4406:58b:3:1::1a",
+      "kavlan-12": "2001:660:4406:58c:3:1::1a",
+      "kavlan-13": "2001:660:4406:58d:3:1::1a",
+      "kavlan-14": "2001:660:4406:58e:3:1::1a",
+      "kavlan-16": "2001:660:4406:590:3:1::1a",
+      "kavlan-18": "2001:660:4406:592:3:1::1a",
+      "kavlan-2": "2001:660:4406:582:3:1::1a",
+      "kavlan-20": "2001:660:4406:594:3:1::1a",
+      "kavlan-21": "2001:660:4406:595:3:1::1a",
+      "kavlan-3": "2001:660:4406:583:3:1::1a",
+      "kavlan-4": "2001:660:4406:584:3:1::1a",
+      "kavlan-5": "2001:660:4406:585:3:1::1a",
+      "kavlan-6": "2001:660:4406:586:3:1::1a",
+      "kavlan-7": "2001:660:4406:587:3:1::1a",
+      "kavlan-8": "2001:660:4406:588:3:1::1a",
+      "kavlan-9": "2001:660:4406:589:3:1::1a"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::1a",
       "kavlan": true,
       "mac": "98:03:9b:b0:c8:3f",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-27.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-27.json
index 2f3b38e5b7e8cfaa3a658ce093a9a8cc691c9f30..b52aa1900e488e3ce41f220e55e26e08e7c5e326 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-27.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-27.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.27"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::1b",
+      "kavlan-11": "2001:660:4406:58b:3::1b",
+      "kavlan-12": "2001:660:4406:58c:3::1b",
+      "kavlan-13": "2001:660:4406:58d:3::1b",
+      "kavlan-14": "2001:660:4406:58e:3::1b",
+      "kavlan-16": "2001:660:4406:590:3::1b",
+      "kavlan-18": "2001:660:4406:592:3::1b",
+      "kavlan-2": "2001:660:4406:582:3::1b",
+      "kavlan-20": "2001:660:4406:594:3::1b",
+      "kavlan-21": "2001:660:4406:595:3::1b",
+      "kavlan-3": "2001:660:4406:583:3::1b",
+      "kavlan-4": "2001:660:4406:584:3::1b",
+      "kavlan-5": "2001:660:4406:585:3::1b",
+      "kavlan-6": "2001:660:4406:586:3::1b",
+      "kavlan-7": "2001:660:4406:587:3::1b",
+      "kavlan-8": "2001:660:4406:588:3::1b",
+      "kavlan-9": "2001:660:4406:589:3::1b"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::1b",
+      "kavlan-11": "2001:660:4406:58b:3:1::1b",
+      "kavlan-12": "2001:660:4406:58c:3:1::1b",
+      "kavlan-13": "2001:660:4406:58d:3:1::1b",
+      "kavlan-14": "2001:660:4406:58e:3:1::1b",
+      "kavlan-16": "2001:660:4406:590:3:1::1b",
+      "kavlan-18": "2001:660:4406:592:3:1::1b",
+      "kavlan-2": "2001:660:4406:582:3:1::1b",
+      "kavlan-20": "2001:660:4406:594:3:1::1b",
+      "kavlan-21": "2001:660:4406:595:3:1::1b",
+      "kavlan-3": "2001:660:4406:583:3:1::1b",
+      "kavlan-4": "2001:660:4406:584:3:1::1b",
+      "kavlan-5": "2001:660:4406:585:3:1::1b",
+      "kavlan-6": "2001:660:4406:586:3:1::1b",
+      "kavlan-7": "2001:660:4406:587:3:1::1b",
+      "kavlan-8": "2001:660:4406:588:3:1::1b",
+      "kavlan-9": "2001:660:4406:589:3:1::1b"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::1b",
       "kavlan": true,
       "mac": "98:03:9b:b0:97:fb",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-28.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-28.json
index 520aaa67608595827b651a17c77b5c87adb0de83..06493f1819ba084a765268aa423261f48f85b046 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-28.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-28.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.28"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::1c",
+      "kavlan-11": "2001:660:4406:58b:3::1c",
+      "kavlan-12": "2001:660:4406:58c:3::1c",
+      "kavlan-13": "2001:660:4406:58d:3::1c",
+      "kavlan-14": "2001:660:4406:58e:3::1c",
+      "kavlan-16": "2001:660:4406:590:3::1c",
+      "kavlan-18": "2001:660:4406:592:3::1c",
+      "kavlan-2": "2001:660:4406:582:3::1c",
+      "kavlan-20": "2001:660:4406:594:3::1c",
+      "kavlan-21": "2001:660:4406:595:3::1c",
+      "kavlan-3": "2001:660:4406:583:3::1c",
+      "kavlan-4": "2001:660:4406:584:3::1c",
+      "kavlan-5": "2001:660:4406:585:3::1c",
+      "kavlan-6": "2001:660:4406:586:3::1c",
+      "kavlan-7": "2001:660:4406:587:3::1c",
+      "kavlan-8": "2001:660:4406:588:3::1c",
+      "kavlan-9": "2001:660:4406:589:3::1c"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::1c",
+      "kavlan-11": "2001:660:4406:58b:3:1::1c",
+      "kavlan-12": "2001:660:4406:58c:3:1::1c",
+      "kavlan-13": "2001:660:4406:58d:3:1::1c",
+      "kavlan-14": "2001:660:4406:58e:3:1::1c",
+      "kavlan-16": "2001:660:4406:590:3:1::1c",
+      "kavlan-18": "2001:660:4406:592:3:1::1c",
+      "kavlan-2": "2001:660:4406:582:3:1::1c",
+      "kavlan-20": "2001:660:4406:594:3:1::1c",
+      "kavlan-21": "2001:660:4406:595:3:1::1c",
+      "kavlan-3": "2001:660:4406:583:3:1::1c",
+      "kavlan-4": "2001:660:4406:584:3:1::1c",
+      "kavlan-5": "2001:660:4406:585:3:1::1c",
+      "kavlan-6": "2001:660:4406:586:3:1::1c",
+      "kavlan-7": "2001:660:4406:587:3:1::1c",
+      "kavlan-8": "2001:660:4406:588:3:1::1c",
+      "kavlan-9": "2001:660:4406:589:3:1::1c"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::1c",
       "kavlan": true,
       "mac": "98:03:9b:b0:97:f3",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-29.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-29.json
index 25c5aa31ebdfa152bb0ce0a8df59c750b8dce9f8..f214606899eebd338ae18dfb90f870f0bf5b7ab3 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-29.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-29.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.29"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::1d",
+      "kavlan-11": "2001:660:4406:58b:3::1d",
+      "kavlan-12": "2001:660:4406:58c:3::1d",
+      "kavlan-13": "2001:660:4406:58d:3::1d",
+      "kavlan-14": "2001:660:4406:58e:3::1d",
+      "kavlan-16": "2001:660:4406:590:3::1d",
+      "kavlan-18": "2001:660:4406:592:3::1d",
+      "kavlan-2": "2001:660:4406:582:3::1d",
+      "kavlan-20": "2001:660:4406:594:3::1d",
+      "kavlan-21": "2001:660:4406:595:3::1d",
+      "kavlan-3": "2001:660:4406:583:3::1d",
+      "kavlan-4": "2001:660:4406:584:3::1d",
+      "kavlan-5": "2001:660:4406:585:3::1d",
+      "kavlan-6": "2001:660:4406:586:3::1d",
+      "kavlan-7": "2001:660:4406:587:3::1d",
+      "kavlan-8": "2001:660:4406:588:3::1d",
+      "kavlan-9": "2001:660:4406:589:3::1d"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::1d",
+      "kavlan-11": "2001:660:4406:58b:3:1::1d",
+      "kavlan-12": "2001:660:4406:58c:3:1::1d",
+      "kavlan-13": "2001:660:4406:58d:3:1::1d",
+      "kavlan-14": "2001:660:4406:58e:3:1::1d",
+      "kavlan-16": "2001:660:4406:590:3:1::1d",
+      "kavlan-18": "2001:660:4406:592:3:1::1d",
+      "kavlan-2": "2001:660:4406:582:3:1::1d",
+      "kavlan-20": "2001:660:4406:594:3:1::1d",
+      "kavlan-21": "2001:660:4406:595:3:1::1d",
+      "kavlan-3": "2001:660:4406:583:3:1::1d",
+      "kavlan-4": "2001:660:4406:584:3:1::1d",
+      "kavlan-5": "2001:660:4406:585:3:1::1d",
+      "kavlan-6": "2001:660:4406:586:3:1::1d",
+      "kavlan-7": "2001:660:4406:587:3:1::1d",
+      "kavlan-8": "2001:660:4406:588:3:1::1d",
+      "kavlan-9": "2001:660:4406:589:3:1::1d"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::1d",
       "kavlan": true,
       "mac": "98:03:9b:87:d9:f7",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-3.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-3.json
index 0db5fa899bd203bbb6435601de948aea606b0ae0..11ac52d0e9e59d95de21a30a9d621a4bad3ffc3a 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-3.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-3.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.3"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::3",
+      "kavlan-11": "2001:660:4406:58b:3::3",
+      "kavlan-12": "2001:660:4406:58c:3::3",
+      "kavlan-13": "2001:660:4406:58d:3::3",
+      "kavlan-14": "2001:660:4406:58e:3::3",
+      "kavlan-16": "2001:660:4406:590:3::3",
+      "kavlan-18": "2001:660:4406:592:3::3",
+      "kavlan-2": "2001:660:4406:582:3::3",
+      "kavlan-20": "2001:660:4406:594:3::3",
+      "kavlan-21": "2001:660:4406:595:3::3",
+      "kavlan-3": "2001:660:4406:583:3::3",
+      "kavlan-4": "2001:660:4406:584:3::3",
+      "kavlan-5": "2001:660:4406:585:3::3",
+      "kavlan-6": "2001:660:4406:586:3::3",
+      "kavlan-7": "2001:660:4406:587:3::3",
+      "kavlan-8": "2001:660:4406:588:3::3",
+      "kavlan-9": "2001:660:4406:589:3::3"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::3",
+      "kavlan-11": "2001:660:4406:58b:3:1::3",
+      "kavlan-12": "2001:660:4406:58c:3:1::3",
+      "kavlan-13": "2001:660:4406:58d:3:1::3",
+      "kavlan-14": "2001:660:4406:58e:3:1::3",
+      "kavlan-16": "2001:660:4406:590:3:1::3",
+      "kavlan-18": "2001:660:4406:592:3:1::3",
+      "kavlan-2": "2001:660:4406:582:3:1::3",
+      "kavlan-20": "2001:660:4406:594:3:1::3",
+      "kavlan-21": "2001:660:4406:595:3:1::3",
+      "kavlan-3": "2001:660:4406:583:3:1::3",
+      "kavlan-4": "2001:660:4406:584:3:1::3",
+      "kavlan-5": "2001:660:4406:585:3:1::3",
+      "kavlan-6": "2001:660:4406:586:3:1::3",
+      "kavlan-7": "2001:660:4406:587:3:1::3",
+      "kavlan-8": "2001:660:4406:588:3:1::3",
+      "kavlan-9": "2001:660:4406:589:3:1::3"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::3",
       "kavlan": true,
       "mac": "98:03:9b:b0:cc:a7",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-30.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-30.json
index debf83e7323e3d9d22c1fcda2083368cc106e13a..9bcc44ae261319ebb6d322211b1b292566450c7a 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-30.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-30.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.30"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::1e",
+      "kavlan-11": "2001:660:4406:58b:3::1e",
+      "kavlan-12": "2001:660:4406:58c:3::1e",
+      "kavlan-13": "2001:660:4406:58d:3::1e",
+      "kavlan-14": "2001:660:4406:58e:3::1e",
+      "kavlan-16": "2001:660:4406:590:3::1e",
+      "kavlan-18": "2001:660:4406:592:3::1e",
+      "kavlan-2": "2001:660:4406:582:3::1e",
+      "kavlan-20": "2001:660:4406:594:3::1e",
+      "kavlan-21": "2001:660:4406:595:3::1e",
+      "kavlan-3": "2001:660:4406:583:3::1e",
+      "kavlan-4": "2001:660:4406:584:3::1e",
+      "kavlan-5": "2001:660:4406:585:3::1e",
+      "kavlan-6": "2001:660:4406:586:3::1e",
+      "kavlan-7": "2001:660:4406:587:3::1e",
+      "kavlan-8": "2001:660:4406:588:3::1e",
+      "kavlan-9": "2001:660:4406:589:3::1e"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::1e",
+      "kavlan-11": "2001:660:4406:58b:3:1::1e",
+      "kavlan-12": "2001:660:4406:58c:3:1::1e",
+      "kavlan-13": "2001:660:4406:58d:3:1::1e",
+      "kavlan-14": "2001:660:4406:58e:3:1::1e",
+      "kavlan-16": "2001:660:4406:590:3:1::1e",
+      "kavlan-18": "2001:660:4406:592:3:1::1e",
+      "kavlan-2": "2001:660:4406:582:3:1::1e",
+      "kavlan-20": "2001:660:4406:594:3:1::1e",
+      "kavlan-21": "2001:660:4406:595:3:1::1e",
+      "kavlan-3": "2001:660:4406:583:3:1::1e",
+      "kavlan-4": "2001:660:4406:584:3:1::1e",
+      "kavlan-5": "2001:660:4406:585:3:1::1e",
+      "kavlan-6": "2001:660:4406:586:3:1::1e",
+      "kavlan-7": "2001:660:4406:587:3:1::1e",
+      "kavlan-8": "2001:660:4406:588:3:1::1e",
+      "kavlan-9": "2001:660:4406:589:3:1::1e"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::1e",
       "kavlan": true,
       "mac": "98:03:9b:b0:ac:c7",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-31.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-31.json
index 42a3947846dd033f446430f72b053f92190e937d..2affa22c0e0126d111476c01230e20805ef06713 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-31.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-31.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.31"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::1f",
+      "kavlan-11": "2001:660:4406:58b:3::1f",
+      "kavlan-12": "2001:660:4406:58c:3::1f",
+      "kavlan-13": "2001:660:4406:58d:3::1f",
+      "kavlan-14": "2001:660:4406:58e:3::1f",
+      "kavlan-16": "2001:660:4406:590:3::1f",
+      "kavlan-18": "2001:660:4406:592:3::1f",
+      "kavlan-2": "2001:660:4406:582:3::1f",
+      "kavlan-20": "2001:660:4406:594:3::1f",
+      "kavlan-21": "2001:660:4406:595:3::1f",
+      "kavlan-3": "2001:660:4406:583:3::1f",
+      "kavlan-4": "2001:660:4406:584:3::1f",
+      "kavlan-5": "2001:660:4406:585:3::1f",
+      "kavlan-6": "2001:660:4406:586:3::1f",
+      "kavlan-7": "2001:660:4406:587:3::1f",
+      "kavlan-8": "2001:660:4406:588:3::1f",
+      "kavlan-9": "2001:660:4406:589:3::1f"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::1f",
+      "kavlan-11": "2001:660:4406:58b:3:1::1f",
+      "kavlan-12": "2001:660:4406:58c:3:1::1f",
+      "kavlan-13": "2001:660:4406:58d:3:1::1f",
+      "kavlan-14": "2001:660:4406:58e:3:1::1f",
+      "kavlan-16": "2001:660:4406:590:3:1::1f",
+      "kavlan-18": "2001:660:4406:592:3:1::1f",
+      "kavlan-2": "2001:660:4406:582:3:1::1f",
+      "kavlan-20": "2001:660:4406:594:3:1::1f",
+      "kavlan-21": "2001:660:4406:595:3:1::1f",
+      "kavlan-3": "2001:660:4406:583:3:1::1f",
+      "kavlan-4": "2001:660:4406:584:3:1::1f",
+      "kavlan-5": "2001:660:4406:585:3:1::1f",
+      "kavlan-6": "2001:660:4406:586:3:1::1f",
+      "kavlan-7": "2001:660:4406:587:3:1::1f",
+      "kavlan-8": "2001:660:4406:588:3:1::1f",
+      "kavlan-9": "2001:660:4406:589:3:1::1f"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::1f",
       "kavlan": true,
       "mac": "98:03:9b:b0:c1:3f",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-32.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-32.json
index 159b28576ea29d5a8674f79a9fcf710af677f085..10f6a53414aebc2a762027b86081661a7b547f9c 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-32.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-32.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.32"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::20",
+      "kavlan-11": "2001:660:4406:58b:3::20",
+      "kavlan-12": "2001:660:4406:58c:3::20",
+      "kavlan-13": "2001:660:4406:58d:3::20",
+      "kavlan-14": "2001:660:4406:58e:3::20",
+      "kavlan-16": "2001:660:4406:590:3::20",
+      "kavlan-18": "2001:660:4406:592:3::20",
+      "kavlan-2": "2001:660:4406:582:3::20",
+      "kavlan-20": "2001:660:4406:594:3::20",
+      "kavlan-21": "2001:660:4406:595:3::20",
+      "kavlan-3": "2001:660:4406:583:3::20",
+      "kavlan-4": "2001:660:4406:584:3::20",
+      "kavlan-5": "2001:660:4406:585:3::20",
+      "kavlan-6": "2001:660:4406:586:3::20",
+      "kavlan-7": "2001:660:4406:587:3::20",
+      "kavlan-8": "2001:660:4406:588:3::20",
+      "kavlan-9": "2001:660:4406:589:3::20"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::20",
+      "kavlan-11": "2001:660:4406:58b:3:1::20",
+      "kavlan-12": "2001:660:4406:58c:3:1::20",
+      "kavlan-13": "2001:660:4406:58d:3:1::20",
+      "kavlan-14": "2001:660:4406:58e:3:1::20",
+      "kavlan-16": "2001:660:4406:590:3:1::20",
+      "kavlan-18": "2001:660:4406:592:3:1::20",
+      "kavlan-2": "2001:660:4406:582:3:1::20",
+      "kavlan-20": "2001:660:4406:594:3:1::20",
+      "kavlan-21": "2001:660:4406:595:3:1::20",
+      "kavlan-3": "2001:660:4406:583:3:1::20",
+      "kavlan-4": "2001:660:4406:584:3:1::20",
+      "kavlan-5": "2001:660:4406:585:3:1::20",
+      "kavlan-6": "2001:660:4406:586:3:1::20",
+      "kavlan-7": "2001:660:4406:587:3:1::20",
+      "kavlan-8": "2001:660:4406:588:3:1::20",
+      "kavlan-9": "2001:660:4406:589:3:1::20"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::20",
       "kavlan": true,
       "mac": "98:03:9b:b0:69:23",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-33.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-33.json
index 4d9bc42f857ea7cc9fbe7f8b855c68fc8fb50d50..f9f188a5d89e9a46bc1f52b61c347e87da910dbb 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-33.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-33.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.33"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::21",
+      "kavlan-11": "2001:660:4406:58b:3::21",
+      "kavlan-12": "2001:660:4406:58c:3::21",
+      "kavlan-13": "2001:660:4406:58d:3::21",
+      "kavlan-14": "2001:660:4406:58e:3::21",
+      "kavlan-16": "2001:660:4406:590:3::21",
+      "kavlan-18": "2001:660:4406:592:3::21",
+      "kavlan-2": "2001:660:4406:582:3::21",
+      "kavlan-20": "2001:660:4406:594:3::21",
+      "kavlan-21": "2001:660:4406:595:3::21",
+      "kavlan-3": "2001:660:4406:583:3::21",
+      "kavlan-4": "2001:660:4406:584:3::21",
+      "kavlan-5": "2001:660:4406:585:3::21",
+      "kavlan-6": "2001:660:4406:586:3::21",
+      "kavlan-7": "2001:660:4406:587:3::21",
+      "kavlan-8": "2001:660:4406:588:3::21",
+      "kavlan-9": "2001:660:4406:589:3::21"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::21",
+      "kavlan-11": "2001:660:4406:58b:3:1::21",
+      "kavlan-12": "2001:660:4406:58c:3:1::21",
+      "kavlan-13": "2001:660:4406:58d:3:1::21",
+      "kavlan-14": "2001:660:4406:58e:3:1::21",
+      "kavlan-16": "2001:660:4406:590:3:1::21",
+      "kavlan-18": "2001:660:4406:592:3:1::21",
+      "kavlan-2": "2001:660:4406:582:3:1::21",
+      "kavlan-20": "2001:660:4406:594:3:1::21",
+      "kavlan-21": "2001:660:4406:595:3:1::21",
+      "kavlan-3": "2001:660:4406:583:3:1::21",
+      "kavlan-4": "2001:660:4406:584:3:1::21",
+      "kavlan-5": "2001:660:4406:585:3:1::21",
+      "kavlan-6": "2001:660:4406:586:3:1::21",
+      "kavlan-7": "2001:660:4406:587:3:1::21",
+      "kavlan-8": "2001:660:4406:588:3:1::21",
+      "kavlan-9": "2001:660:4406:589:3:1::21"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::21",
       "kavlan": true,
       "mac": "98:03:9b:b0:97:13",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-34.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-34.json
index 8f0c294bb10e8bfc1364c01b629abe54d3792e6d..e8c9fa192b90fde78c77a3d4ea8a2127ad24d678 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-34.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-34.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.34"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::22",
+      "kavlan-11": "2001:660:4406:58b:3::22",
+      "kavlan-12": "2001:660:4406:58c:3::22",
+      "kavlan-13": "2001:660:4406:58d:3::22",
+      "kavlan-14": "2001:660:4406:58e:3::22",
+      "kavlan-16": "2001:660:4406:590:3::22",
+      "kavlan-18": "2001:660:4406:592:3::22",
+      "kavlan-2": "2001:660:4406:582:3::22",
+      "kavlan-20": "2001:660:4406:594:3::22",
+      "kavlan-21": "2001:660:4406:595:3::22",
+      "kavlan-3": "2001:660:4406:583:3::22",
+      "kavlan-4": "2001:660:4406:584:3::22",
+      "kavlan-5": "2001:660:4406:585:3::22",
+      "kavlan-6": "2001:660:4406:586:3::22",
+      "kavlan-7": "2001:660:4406:587:3::22",
+      "kavlan-8": "2001:660:4406:588:3::22",
+      "kavlan-9": "2001:660:4406:589:3::22"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::22",
+      "kavlan-11": "2001:660:4406:58b:3:1::22",
+      "kavlan-12": "2001:660:4406:58c:3:1::22",
+      "kavlan-13": "2001:660:4406:58d:3:1::22",
+      "kavlan-14": "2001:660:4406:58e:3:1::22",
+      "kavlan-16": "2001:660:4406:590:3:1::22",
+      "kavlan-18": "2001:660:4406:592:3:1::22",
+      "kavlan-2": "2001:660:4406:582:3:1::22",
+      "kavlan-20": "2001:660:4406:594:3:1::22",
+      "kavlan-21": "2001:660:4406:595:3:1::22",
+      "kavlan-3": "2001:660:4406:583:3:1::22",
+      "kavlan-4": "2001:660:4406:584:3:1::22",
+      "kavlan-5": "2001:660:4406:585:3:1::22",
+      "kavlan-6": "2001:660:4406:586:3:1::22",
+      "kavlan-7": "2001:660:4406:587:3:1::22",
+      "kavlan-8": "2001:660:4406:588:3:1::22",
+      "kavlan-9": "2001:660:4406:589:3:1::22"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::22",
       "kavlan": true,
       "mac": "98:03:9b:b0:97:23",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-35.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-35.json
index d04b570e75961f94909033e96f6184d27c615e0e..3923cccec2507883539a2b0234f853c722edbdae 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-35.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-35.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.35"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::23",
+      "kavlan-11": "2001:660:4406:58b:3::23",
+      "kavlan-12": "2001:660:4406:58c:3::23",
+      "kavlan-13": "2001:660:4406:58d:3::23",
+      "kavlan-14": "2001:660:4406:58e:3::23",
+      "kavlan-16": "2001:660:4406:590:3::23",
+      "kavlan-18": "2001:660:4406:592:3::23",
+      "kavlan-2": "2001:660:4406:582:3::23",
+      "kavlan-20": "2001:660:4406:594:3::23",
+      "kavlan-21": "2001:660:4406:595:3::23",
+      "kavlan-3": "2001:660:4406:583:3::23",
+      "kavlan-4": "2001:660:4406:584:3::23",
+      "kavlan-5": "2001:660:4406:585:3::23",
+      "kavlan-6": "2001:660:4406:586:3::23",
+      "kavlan-7": "2001:660:4406:587:3::23",
+      "kavlan-8": "2001:660:4406:588:3::23",
+      "kavlan-9": "2001:660:4406:589:3::23"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::23",
+      "kavlan-11": "2001:660:4406:58b:3:1::23",
+      "kavlan-12": "2001:660:4406:58c:3:1::23",
+      "kavlan-13": "2001:660:4406:58d:3:1::23",
+      "kavlan-14": "2001:660:4406:58e:3:1::23",
+      "kavlan-16": "2001:660:4406:590:3:1::23",
+      "kavlan-18": "2001:660:4406:592:3:1::23",
+      "kavlan-2": "2001:660:4406:582:3:1::23",
+      "kavlan-20": "2001:660:4406:594:3:1::23",
+      "kavlan-21": "2001:660:4406:595:3:1::23",
+      "kavlan-3": "2001:660:4406:583:3:1::23",
+      "kavlan-4": "2001:660:4406:584:3:1::23",
+      "kavlan-5": "2001:660:4406:585:3:1::23",
+      "kavlan-6": "2001:660:4406:586:3:1::23",
+      "kavlan-7": "2001:660:4406:587:3:1::23",
+      "kavlan-8": "2001:660:4406:588:3:1::23",
+      "kavlan-9": "2001:660:4406:589:3:1::23"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::23",
       "kavlan": true,
       "mac": "98:03:9b:b0:a7:47",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-36.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-36.json
index 989a2a83f176a0c622c656dc90894f2c54fe4e11..13c05cd3af1ca16c7667ae138967c22349339cc4 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-36.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-36.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.36"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::24",
+      "kavlan-11": "2001:660:4406:58b:3::24",
+      "kavlan-12": "2001:660:4406:58c:3::24",
+      "kavlan-13": "2001:660:4406:58d:3::24",
+      "kavlan-14": "2001:660:4406:58e:3::24",
+      "kavlan-16": "2001:660:4406:590:3::24",
+      "kavlan-18": "2001:660:4406:592:3::24",
+      "kavlan-2": "2001:660:4406:582:3::24",
+      "kavlan-20": "2001:660:4406:594:3::24",
+      "kavlan-21": "2001:660:4406:595:3::24",
+      "kavlan-3": "2001:660:4406:583:3::24",
+      "kavlan-4": "2001:660:4406:584:3::24",
+      "kavlan-5": "2001:660:4406:585:3::24",
+      "kavlan-6": "2001:660:4406:586:3::24",
+      "kavlan-7": "2001:660:4406:587:3::24",
+      "kavlan-8": "2001:660:4406:588:3::24",
+      "kavlan-9": "2001:660:4406:589:3::24"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::24",
+      "kavlan-11": "2001:660:4406:58b:3:1::24",
+      "kavlan-12": "2001:660:4406:58c:3:1::24",
+      "kavlan-13": "2001:660:4406:58d:3:1::24",
+      "kavlan-14": "2001:660:4406:58e:3:1::24",
+      "kavlan-16": "2001:660:4406:590:3:1::24",
+      "kavlan-18": "2001:660:4406:592:3:1::24",
+      "kavlan-2": "2001:660:4406:582:3:1::24",
+      "kavlan-20": "2001:660:4406:594:3:1::24",
+      "kavlan-21": "2001:660:4406:595:3:1::24",
+      "kavlan-3": "2001:660:4406:583:3:1::24",
+      "kavlan-4": "2001:660:4406:584:3:1::24",
+      "kavlan-5": "2001:660:4406:585:3:1::24",
+      "kavlan-6": "2001:660:4406:586:3:1::24",
+      "kavlan-7": "2001:660:4406:587:3:1::24",
+      "kavlan-8": "2001:660:4406:588:3:1::24",
+      "kavlan-9": "2001:660:4406:589:3:1::24"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::24",
       "kavlan": true,
       "mac": "98:03:9b:b0:a7:6f",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-37.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-37.json
index 5a3d11642f05ef6e2e8bd615ee6ff7525c59fea8..384b368616bd2d6020d15687ca1822e213a8f949 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-37.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-37.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.37"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::25",
+      "kavlan-11": "2001:660:4406:58b:3::25",
+      "kavlan-12": "2001:660:4406:58c:3::25",
+      "kavlan-13": "2001:660:4406:58d:3::25",
+      "kavlan-14": "2001:660:4406:58e:3::25",
+      "kavlan-16": "2001:660:4406:590:3::25",
+      "kavlan-18": "2001:660:4406:592:3::25",
+      "kavlan-2": "2001:660:4406:582:3::25",
+      "kavlan-20": "2001:660:4406:594:3::25",
+      "kavlan-21": "2001:660:4406:595:3::25",
+      "kavlan-3": "2001:660:4406:583:3::25",
+      "kavlan-4": "2001:660:4406:584:3::25",
+      "kavlan-5": "2001:660:4406:585:3::25",
+      "kavlan-6": "2001:660:4406:586:3::25",
+      "kavlan-7": "2001:660:4406:587:3::25",
+      "kavlan-8": "2001:660:4406:588:3::25",
+      "kavlan-9": "2001:660:4406:589:3::25"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::25",
+      "kavlan-11": "2001:660:4406:58b:3:1::25",
+      "kavlan-12": "2001:660:4406:58c:3:1::25",
+      "kavlan-13": "2001:660:4406:58d:3:1::25",
+      "kavlan-14": "2001:660:4406:58e:3:1::25",
+      "kavlan-16": "2001:660:4406:590:3:1::25",
+      "kavlan-18": "2001:660:4406:592:3:1::25",
+      "kavlan-2": "2001:660:4406:582:3:1::25",
+      "kavlan-20": "2001:660:4406:594:3:1::25",
+      "kavlan-21": "2001:660:4406:595:3:1::25",
+      "kavlan-3": "2001:660:4406:583:3:1::25",
+      "kavlan-4": "2001:660:4406:584:3:1::25",
+      "kavlan-5": "2001:660:4406:585:3:1::25",
+      "kavlan-6": "2001:660:4406:586:3:1::25",
+      "kavlan-7": "2001:660:4406:587:3:1::25",
+      "kavlan-8": "2001:660:4406:588:3:1::25",
+      "kavlan-9": "2001:660:4406:589:3:1::25"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::25",
       "kavlan": true,
       "mac": "98:03:9b:b0:69:6b",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-38.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-38.json
index 3971e22a86aefae49a370baaca588d11c428fbe6..58ddd7e9f757e31aefcb4dd9d7aacaca94a2e719 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-38.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-38.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.38"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::26",
+      "kavlan-11": "2001:660:4406:58b:3::26",
+      "kavlan-12": "2001:660:4406:58c:3::26",
+      "kavlan-13": "2001:660:4406:58d:3::26",
+      "kavlan-14": "2001:660:4406:58e:3::26",
+      "kavlan-16": "2001:660:4406:590:3::26",
+      "kavlan-18": "2001:660:4406:592:3::26",
+      "kavlan-2": "2001:660:4406:582:3::26",
+      "kavlan-20": "2001:660:4406:594:3::26",
+      "kavlan-21": "2001:660:4406:595:3::26",
+      "kavlan-3": "2001:660:4406:583:3::26",
+      "kavlan-4": "2001:660:4406:584:3::26",
+      "kavlan-5": "2001:660:4406:585:3::26",
+      "kavlan-6": "2001:660:4406:586:3::26",
+      "kavlan-7": "2001:660:4406:587:3::26",
+      "kavlan-8": "2001:660:4406:588:3::26",
+      "kavlan-9": "2001:660:4406:589:3::26"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::26",
+      "kavlan-11": "2001:660:4406:58b:3:1::26",
+      "kavlan-12": "2001:660:4406:58c:3:1::26",
+      "kavlan-13": "2001:660:4406:58d:3:1::26",
+      "kavlan-14": "2001:660:4406:58e:3:1::26",
+      "kavlan-16": "2001:660:4406:590:3:1::26",
+      "kavlan-18": "2001:660:4406:592:3:1::26",
+      "kavlan-2": "2001:660:4406:582:3:1::26",
+      "kavlan-20": "2001:660:4406:594:3:1::26",
+      "kavlan-21": "2001:660:4406:595:3:1::26",
+      "kavlan-3": "2001:660:4406:583:3:1::26",
+      "kavlan-4": "2001:660:4406:584:3:1::26",
+      "kavlan-5": "2001:660:4406:585:3:1::26",
+      "kavlan-6": "2001:660:4406:586:3:1::26",
+      "kavlan-7": "2001:660:4406:587:3:1::26",
+      "kavlan-8": "2001:660:4406:588:3:1::26",
+      "kavlan-9": "2001:660:4406:589:3:1::26"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::26",
       "kavlan": true,
       "mac": "98:03:9b:b0:b0:af",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-39.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-39.json
index b3ecef410d7876ac4c928d039c85f0622f961114..f5df75a63ee9b013385ca9f356e8c89fd0979bdb 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-39.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-39.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.39"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::27",
+      "kavlan-11": "2001:660:4406:58b:3::27",
+      "kavlan-12": "2001:660:4406:58c:3::27",
+      "kavlan-13": "2001:660:4406:58d:3::27",
+      "kavlan-14": "2001:660:4406:58e:3::27",
+      "kavlan-16": "2001:660:4406:590:3::27",
+      "kavlan-18": "2001:660:4406:592:3::27",
+      "kavlan-2": "2001:660:4406:582:3::27",
+      "kavlan-20": "2001:660:4406:594:3::27",
+      "kavlan-21": "2001:660:4406:595:3::27",
+      "kavlan-3": "2001:660:4406:583:3::27",
+      "kavlan-4": "2001:660:4406:584:3::27",
+      "kavlan-5": "2001:660:4406:585:3::27",
+      "kavlan-6": "2001:660:4406:586:3::27",
+      "kavlan-7": "2001:660:4406:587:3::27",
+      "kavlan-8": "2001:660:4406:588:3::27",
+      "kavlan-9": "2001:660:4406:589:3::27"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::27",
+      "kavlan-11": "2001:660:4406:58b:3:1::27",
+      "kavlan-12": "2001:660:4406:58c:3:1::27",
+      "kavlan-13": "2001:660:4406:58d:3:1::27",
+      "kavlan-14": "2001:660:4406:58e:3:1::27",
+      "kavlan-16": "2001:660:4406:590:3:1::27",
+      "kavlan-18": "2001:660:4406:592:3:1::27",
+      "kavlan-2": "2001:660:4406:582:3:1::27",
+      "kavlan-20": "2001:660:4406:594:3:1::27",
+      "kavlan-21": "2001:660:4406:595:3:1::27",
+      "kavlan-3": "2001:660:4406:583:3:1::27",
+      "kavlan-4": "2001:660:4406:584:3:1::27",
+      "kavlan-5": "2001:660:4406:585:3:1::27",
+      "kavlan-6": "2001:660:4406:586:3:1::27",
+      "kavlan-7": "2001:660:4406:587:3:1::27",
+      "kavlan-8": "2001:660:4406:588:3:1::27",
+      "kavlan-9": "2001:660:4406:589:3:1::27"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::27",
       "kavlan": true,
       "mac": "98:03:9b:b0:c7:f7",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-4.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-4.json
index 3ec7bd76f8b24b30b385b47450a3051a08d120c1..1eeb223719fb090c1cf7c53b186902e19ddf1db6 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-4.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-4.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.4"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::4",
+      "kavlan-11": "2001:660:4406:58b:3::4",
+      "kavlan-12": "2001:660:4406:58c:3::4",
+      "kavlan-13": "2001:660:4406:58d:3::4",
+      "kavlan-14": "2001:660:4406:58e:3::4",
+      "kavlan-16": "2001:660:4406:590:3::4",
+      "kavlan-18": "2001:660:4406:592:3::4",
+      "kavlan-2": "2001:660:4406:582:3::4",
+      "kavlan-20": "2001:660:4406:594:3::4",
+      "kavlan-21": "2001:660:4406:595:3::4",
+      "kavlan-3": "2001:660:4406:583:3::4",
+      "kavlan-4": "2001:660:4406:584:3::4",
+      "kavlan-5": "2001:660:4406:585:3::4",
+      "kavlan-6": "2001:660:4406:586:3::4",
+      "kavlan-7": "2001:660:4406:587:3::4",
+      "kavlan-8": "2001:660:4406:588:3::4",
+      "kavlan-9": "2001:660:4406:589:3::4"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::4",
+      "kavlan-11": "2001:660:4406:58b:3:1::4",
+      "kavlan-12": "2001:660:4406:58c:3:1::4",
+      "kavlan-13": "2001:660:4406:58d:3:1::4",
+      "kavlan-14": "2001:660:4406:58e:3:1::4",
+      "kavlan-16": "2001:660:4406:590:3:1::4",
+      "kavlan-18": "2001:660:4406:592:3:1::4",
+      "kavlan-2": "2001:660:4406:582:3:1::4",
+      "kavlan-20": "2001:660:4406:594:3:1::4",
+      "kavlan-21": "2001:660:4406:595:3:1::4",
+      "kavlan-3": "2001:660:4406:583:3:1::4",
+      "kavlan-4": "2001:660:4406:584:3:1::4",
+      "kavlan-5": "2001:660:4406:585:3:1::4",
+      "kavlan-6": "2001:660:4406:586:3:1::4",
+      "kavlan-7": "2001:660:4406:587:3:1::4",
+      "kavlan-8": "2001:660:4406:588:3:1::4",
+      "kavlan-9": "2001:660:4406:589:3:1::4"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::4",
       "kavlan": true,
       "mac": "98:03:9b:b0:cc:87",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-40.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-40.json
index 3e84de7b65966f025cf86957cf68bf0644bd7110..3b93193a9f0df8e9643e08b4a4797519d3b6c2a6 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-40.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-40.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.40"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::28",
+      "kavlan-11": "2001:660:4406:58b:3::28",
+      "kavlan-12": "2001:660:4406:58c:3::28",
+      "kavlan-13": "2001:660:4406:58d:3::28",
+      "kavlan-14": "2001:660:4406:58e:3::28",
+      "kavlan-16": "2001:660:4406:590:3::28",
+      "kavlan-18": "2001:660:4406:592:3::28",
+      "kavlan-2": "2001:660:4406:582:3::28",
+      "kavlan-20": "2001:660:4406:594:3::28",
+      "kavlan-21": "2001:660:4406:595:3::28",
+      "kavlan-3": "2001:660:4406:583:3::28",
+      "kavlan-4": "2001:660:4406:584:3::28",
+      "kavlan-5": "2001:660:4406:585:3::28",
+      "kavlan-6": "2001:660:4406:586:3::28",
+      "kavlan-7": "2001:660:4406:587:3::28",
+      "kavlan-8": "2001:660:4406:588:3::28",
+      "kavlan-9": "2001:660:4406:589:3::28"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::28",
+      "kavlan-11": "2001:660:4406:58b:3:1::28",
+      "kavlan-12": "2001:660:4406:58c:3:1::28",
+      "kavlan-13": "2001:660:4406:58d:3:1::28",
+      "kavlan-14": "2001:660:4406:58e:3:1::28",
+      "kavlan-16": "2001:660:4406:590:3:1::28",
+      "kavlan-18": "2001:660:4406:592:3:1::28",
+      "kavlan-2": "2001:660:4406:582:3:1::28",
+      "kavlan-20": "2001:660:4406:594:3:1::28",
+      "kavlan-21": "2001:660:4406:595:3:1::28",
+      "kavlan-3": "2001:660:4406:583:3:1::28",
+      "kavlan-4": "2001:660:4406:584:3:1::28",
+      "kavlan-5": "2001:660:4406:585:3:1::28",
+      "kavlan-6": "2001:660:4406:586:3:1::28",
+      "kavlan-7": "2001:660:4406:587:3:1::28",
+      "kavlan-8": "2001:660:4406:588:3:1::28",
+      "kavlan-9": "2001:660:4406:589:3:1::28"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::28",
       "kavlan": true,
       "mac": "98:03:9b:b0:cc:9f",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-41.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-41.json
index 0a50a10dd908374bb94aaf81cabe7f122c6385a9..583324a18196820ae01ae5090d6361b121d697df 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-41.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-41.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.41"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::29",
+      "kavlan-11": "2001:660:4406:58b:3::29",
+      "kavlan-12": "2001:660:4406:58c:3::29",
+      "kavlan-13": "2001:660:4406:58d:3::29",
+      "kavlan-14": "2001:660:4406:58e:3::29",
+      "kavlan-16": "2001:660:4406:590:3::29",
+      "kavlan-18": "2001:660:4406:592:3::29",
+      "kavlan-2": "2001:660:4406:582:3::29",
+      "kavlan-20": "2001:660:4406:594:3::29",
+      "kavlan-21": "2001:660:4406:595:3::29",
+      "kavlan-3": "2001:660:4406:583:3::29",
+      "kavlan-4": "2001:660:4406:584:3::29",
+      "kavlan-5": "2001:660:4406:585:3::29",
+      "kavlan-6": "2001:660:4406:586:3::29",
+      "kavlan-7": "2001:660:4406:587:3::29",
+      "kavlan-8": "2001:660:4406:588:3::29",
+      "kavlan-9": "2001:660:4406:589:3::29"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::29",
+      "kavlan-11": "2001:660:4406:58b:3:1::29",
+      "kavlan-12": "2001:660:4406:58c:3:1::29",
+      "kavlan-13": "2001:660:4406:58d:3:1::29",
+      "kavlan-14": "2001:660:4406:58e:3:1::29",
+      "kavlan-16": "2001:660:4406:590:3:1::29",
+      "kavlan-18": "2001:660:4406:592:3:1::29",
+      "kavlan-2": "2001:660:4406:582:3:1::29",
+      "kavlan-20": "2001:660:4406:594:3:1::29",
+      "kavlan-21": "2001:660:4406:595:3:1::29",
+      "kavlan-3": "2001:660:4406:583:3:1::29",
+      "kavlan-4": "2001:660:4406:584:3:1::29",
+      "kavlan-5": "2001:660:4406:585:3:1::29",
+      "kavlan-6": "2001:660:4406:586:3:1::29",
+      "kavlan-7": "2001:660:4406:587:3:1::29",
+      "kavlan-8": "2001:660:4406:588:3:1::29",
+      "kavlan-9": "2001:660:4406:589:3:1::29"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::29",
       "kavlan": true,
       "mac": "98:03:9b:b0:99:73",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-42.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-42.json
index 105c20310e002f1fe5b2919e12a454f5588cf5be..28e1c3a0ade6e9c76c4464657a74cafae0d54ffe 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-42.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-42.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.42"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::2a",
+      "kavlan-11": "2001:660:4406:58b:3::2a",
+      "kavlan-12": "2001:660:4406:58c:3::2a",
+      "kavlan-13": "2001:660:4406:58d:3::2a",
+      "kavlan-14": "2001:660:4406:58e:3::2a",
+      "kavlan-16": "2001:660:4406:590:3::2a",
+      "kavlan-18": "2001:660:4406:592:3::2a",
+      "kavlan-2": "2001:660:4406:582:3::2a",
+      "kavlan-20": "2001:660:4406:594:3::2a",
+      "kavlan-21": "2001:660:4406:595:3::2a",
+      "kavlan-3": "2001:660:4406:583:3::2a",
+      "kavlan-4": "2001:660:4406:584:3::2a",
+      "kavlan-5": "2001:660:4406:585:3::2a",
+      "kavlan-6": "2001:660:4406:586:3::2a",
+      "kavlan-7": "2001:660:4406:587:3::2a",
+      "kavlan-8": "2001:660:4406:588:3::2a",
+      "kavlan-9": "2001:660:4406:589:3::2a"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::2a",
+      "kavlan-11": "2001:660:4406:58b:3:1::2a",
+      "kavlan-12": "2001:660:4406:58c:3:1::2a",
+      "kavlan-13": "2001:660:4406:58d:3:1::2a",
+      "kavlan-14": "2001:660:4406:58e:3:1::2a",
+      "kavlan-16": "2001:660:4406:590:3:1::2a",
+      "kavlan-18": "2001:660:4406:592:3:1::2a",
+      "kavlan-2": "2001:660:4406:582:3:1::2a",
+      "kavlan-20": "2001:660:4406:594:3:1::2a",
+      "kavlan-21": "2001:660:4406:595:3:1::2a",
+      "kavlan-3": "2001:660:4406:583:3:1::2a",
+      "kavlan-4": "2001:660:4406:584:3:1::2a",
+      "kavlan-5": "2001:660:4406:585:3:1::2a",
+      "kavlan-6": "2001:660:4406:586:3:1::2a",
+      "kavlan-7": "2001:660:4406:587:3:1::2a",
+      "kavlan-8": "2001:660:4406:588:3:1::2a",
+      "kavlan-9": "2001:660:4406:589:3:1::2a"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::2a",
       "kavlan": true,
       "mac": "98:03:9b:87:b2:97",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-43.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-43.json
index cdc82bb158b4944fa7e8c323d7587eb7e9510346..b336397adfd596161ef910e402fe14908376fd37 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-43.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-43.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.43"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::2b",
+      "kavlan-11": "2001:660:4406:58b:3::2b",
+      "kavlan-12": "2001:660:4406:58c:3::2b",
+      "kavlan-13": "2001:660:4406:58d:3::2b",
+      "kavlan-14": "2001:660:4406:58e:3::2b",
+      "kavlan-16": "2001:660:4406:590:3::2b",
+      "kavlan-18": "2001:660:4406:592:3::2b",
+      "kavlan-2": "2001:660:4406:582:3::2b",
+      "kavlan-20": "2001:660:4406:594:3::2b",
+      "kavlan-21": "2001:660:4406:595:3::2b",
+      "kavlan-3": "2001:660:4406:583:3::2b",
+      "kavlan-4": "2001:660:4406:584:3::2b",
+      "kavlan-5": "2001:660:4406:585:3::2b",
+      "kavlan-6": "2001:660:4406:586:3::2b",
+      "kavlan-7": "2001:660:4406:587:3::2b",
+      "kavlan-8": "2001:660:4406:588:3::2b",
+      "kavlan-9": "2001:660:4406:589:3::2b"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::2b",
+      "kavlan-11": "2001:660:4406:58b:3:1::2b",
+      "kavlan-12": "2001:660:4406:58c:3:1::2b",
+      "kavlan-13": "2001:660:4406:58d:3:1::2b",
+      "kavlan-14": "2001:660:4406:58e:3:1::2b",
+      "kavlan-16": "2001:660:4406:590:3:1::2b",
+      "kavlan-18": "2001:660:4406:592:3:1::2b",
+      "kavlan-2": "2001:660:4406:582:3:1::2b",
+      "kavlan-20": "2001:660:4406:594:3:1::2b",
+      "kavlan-21": "2001:660:4406:595:3:1::2b",
+      "kavlan-3": "2001:660:4406:583:3:1::2b",
+      "kavlan-4": "2001:660:4406:584:3:1::2b",
+      "kavlan-5": "2001:660:4406:585:3:1::2b",
+      "kavlan-6": "2001:660:4406:586:3:1::2b",
+      "kavlan-7": "2001:660:4406:587:3:1::2b",
+      "kavlan-8": "2001:660:4406:588:3:1::2b",
+      "kavlan-9": "2001:660:4406:589:3:1::2b"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::2b",
       "kavlan": true,
       "mac": "98:03:9b:b0:b0:9f",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-44.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-44.json
index 8dec393daeca86690dd3055cd7f537a6b464f18a..a5414cdf6dd897fb998a89714dbad8105af51ffc 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-44.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-44.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.44"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::2c",
+      "kavlan-11": "2001:660:4406:58b:3::2c",
+      "kavlan-12": "2001:660:4406:58c:3::2c",
+      "kavlan-13": "2001:660:4406:58d:3::2c",
+      "kavlan-14": "2001:660:4406:58e:3::2c",
+      "kavlan-16": "2001:660:4406:590:3::2c",
+      "kavlan-18": "2001:660:4406:592:3::2c",
+      "kavlan-2": "2001:660:4406:582:3::2c",
+      "kavlan-20": "2001:660:4406:594:3::2c",
+      "kavlan-21": "2001:660:4406:595:3::2c",
+      "kavlan-3": "2001:660:4406:583:3::2c",
+      "kavlan-4": "2001:660:4406:584:3::2c",
+      "kavlan-5": "2001:660:4406:585:3::2c",
+      "kavlan-6": "2001:660:4406:586:3::2c",
+      "kavlan-7": "2001:660:4406:587:3::2c",
+      "kavlan-8": "2001:660:4406:588:3::2c",
+      "kavlan-9": "2001:660:4406:589:3::2c"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::2c",
+      "kavlan-11": "2001:660:4406:58b:3:1::2c",
+      "kavlan-12": "2001:660:4406:58c:3:1::2c",
+      "kavlan-13": "2001:660:4406:58d:3:1::2c",
+      "kavlan-14": "2001:660:4406:58e:3:1::2c",
+      "kavlan-16": "2001:660:4406:590:3:1::2c",
+      "kavlan-18": "2001:660:4406:592:3:1::2c",
+      "kavlan-2": "2001:660:4406:582:3:1::2c",
+      "kavlan-20": "2001:660:4406:594:3:1::2c",
+      "kavlan-21": "2001:660:4406:595:3:1::2c",
+      "kavlan-3": "2001:660:4406:583:3:1::2c",
+      "kavlan-4": "2001:660:4406:584:3:1::2c",
+      "kavlan-5": "2001:660:4406:585:3:1::2c",
+      "kavlan-6": "2001:660:4406:586:3:1::2c",
+      "kavlan-7": "2001:660:4406:587:3:1::2c",
+      "kavlan-8": "2001:660:4406:588:3:1::2c",
+      "kavlan-9": "2001:660:4406:589:3:1::2c"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::2c",
       "kavlan": true,
       "mac": "98:03:9b:b0:ac:d7",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-45.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-45.json
index d2214d4b8707b27b4c791bde13d1e867d42373d4..1d0091c2f7233bfa78e0d3a23c282c2af34aa4cb 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-45.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-45.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.45"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::2d",
+      "kavlan-11": "2001:660:4406:58b:3::2d",
+      "kavlan-12": "2001:660:4406:58c:3::2d",
+      "kavlan-13": "2001:660:4406:58d:3::2d",
+      "kavlan-14": "2001:660:4406:58e:3::2d",
+      "kavlan-16": "2001:660:4406:590:3::2d",
+      "kavlan-18": "2001:660:4406:592:3::2d",
+      "kavlan-2": "2001:660:4406:582:3::2d",
+      "kavlan-20": "2001:660:4406:594:3::2d",
+      "kavlan-21": "2001:660:4406:595:3::2d",
+      "kavlan-3": "2001:660:4406:583:3::2d",
+      "kavlan-4": "2001:660:4406:584:3::2d",
+      "kavlan-5": "2001:660:4406:585:3::2d",
+      "kavlan-6": "2001:660:4406:586:3::2d",
+      "kavlan-7": "2001:660:4406:587:3::2d",
+      "kavlan-8": "2001:660:4406:588:3::2d",
+      "kavlan-9": "2001:660:4406:589:3::2d"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::2d",
+      "kavlan-11": "2001:660:4406:58b:3:1::2d",
+      "kavlan-12": "2001:660:4406:58c:3:1::2d",
+      "kavlan-13": "2001:660:4406:58d:3:1::2d",
+      "kavlan-14": "2001:660:4406:58e:3:1::2d",
+      "kavlan-16": "2001:660:4406:590:3:1::2d",
+      "kavlan-18": "2001:660:4406:592:3:1::2d",
+      "kavlan-2": "2001:660:4406:582:3:1::2d",
+      "kavlan-20": "2001:660:4406:594:3:1::2d",
+      "kavlan-21": "2001:660:4406:595:3:1::2d",
+      "kavlan-3": "2001:660:4406:583:3:1::2d",
+      "kavlan-4": "2001:660:4406:584:3:1::2d",
+      "kavlan-5": "2001:660:4406:585:3:1::2d",
+      "kavlan-6": "2001:660:4406:586:3:1::2d",
+      "kavlan-7": "2001:660:4406:587:3:1::2d",
+      "kavlan-8": "2001:660:4406:588:3:1::2d",
+      "kavlan-9": "2001:660:4406:589:3:1::2d"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::2d",
       "kavlan": true,
       "mac": "98:03:9b:b0:bf:f7",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-46.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-46.json
index 9d5285b92815fd8dd9d392bcdd4e833fe35bea1d..3d781d02863a2d70b5aa9ee7d6cdd73b8ad9a500 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-46.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-46.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.46"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::2e",
+      "kavlan-11": "2001:660:4406:58b:3::2e",
+      "kavlan-12": "2001:660:4406:58c:3::2e",
+      "kavlan-13": "2001:660:4406:58d:3::2e",
+      "kavlan-14": "2001:660:4406:58e:3::2e",
+      "kavlan-16": "2001:660:4406:590:3::2e",
+      "kavlan-18": "2001:660:4406:592:3::2e",
+      "kavlan-2": "2001:660:4406:582:3::2e",
+      "kavlan-20": "2001:660:4406:594:3::2e",
+      "kavlan-21": "2001:660:4406:595:3::2e",
+      "kavlan-3": "2001:660:4406:583:3::2e",
+      "kavlan-4": "2001:660:4406:584:3::2e",
+      "kavlan-5": "2001:660:4406:585:3::2e",
+      "kavlan-6": "2001:660:4406:586:3::2e",
+      "kavlan-7": "2001:660:4406:587:3::2e",
+      "kavlan-8": "2001:660:4406:588:3::2e",
+      "kavlan-9": "2001:660:4406:589:3::2e"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::2e",
+      "kavlan-11": "2001:660:4406:58b:3:1::2e",
+      "kavlan-12": "2001:660:4406:58c:3:1::2e",
+      "kavlan-13": "2001:660:4406:58d:3:1::2e",
+      "kavlan-14": "2001:660:4406:58e:3:1::2e",
+      "kavlan-16": "2001:660:4406:590:3:1::2e",
+      "kavlan-18": "2001:660:4406:592:3:1::2e",
+      "kavlan-2": "2001:660:4406:582:3:1::2e",
+      "kavlan-20": "2001:660:4406:594:3:1::2e",
+      "kavlan-21": "2001:660:4406:595:3:1::2e",
+      "kavlan-3": "2001:660:4406:583:3:1::2e",
+      "kavlan-4": "2001:660:4406:584:3:1::2e",
+      "kavlan-5": "2001:660:4406:585:3:1::2e",
+      "kavlan-6": "2001:660:4406:586:3:1::2e",
+      "kavlan-7": "2001:660:4406:587:3:1::2e",
+      "kavlan-8": "2001:660:4406:588:3:1::2e",
+      "kavlan-9": "2001:660:4406:589:3:1::2e"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::2e",
       "kavlan": true,
       "mac": "98:03:9b:b0:c0:1f",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-47.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-47.json
index 8e10616ecd009be8ee78285f6be0f7cbfde86edd..080d316179cb52341947c7298d06191ac347535d 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-47.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-47.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.47"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::2f",
+      "kavlan-11": "2001:660:4406:58b:3::2f",
+      "kavlan-12": "2001:660:4406:58c:3::2f",
+      "kavlan-13": "2001:660:4406:58d:3::2f",
+      "kavlan-14": "2001:660:4406:58e:3::2f",
+      "kavlan-16": "2001:660:4406:590:3::2f",
+      "kavlan-18": "2001:660:4406:592:3::2f",
+      "kavlan-2": "2001:660:4406:582:3::2f",
+      "kavlan-20": "2001:660:4406:594:3::2f",
+      "kavlan-21": "2001:660:4406:595:3::2f",
+      "kavlan-3": "2001:660:4406:583:3::2f",
+      "kavlan-4": "2001:660:4406:584:3::2f",
+      "kavlan-5": "2001:660:4406:585:3::2f",
+      "kavlan-6": "2001:660:4406:586:3::2f",
+      "kavlan-7": "2001:660:4406:587:3::2f",
+      "kavlan-8": "2001:660:4406:588:3::2f",
+      "kavlan-9": "2001:660:4406:589:3::2f"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::2f",
+      "kavlan-11": "2001:660:4406:58b:3:1::2f",
+      "kavlan-12": "2001:660:4406:58c:3:1::2f",
+      "kavlan-13": "2001:660:4406:58d:3:1::2f",
+      "kavlan-14": "2001:660:4406:58e:3:1::2f",
+      "kavlan-16": "2001:660:4406:590:3:1::2f",
+      "kavlan-18": "2001:660:4406:592:3:1::2f",
+      "kavlan-2": "2001:660:4406:582:3:1::2f",
+      "kavlan-20": "2001:660:4406:594:3:1::2f",
+      "kavlan-21": "2001:660:4406:595:3:1::2f",
+      "kavlan-3": "2001:660:4406:583:3:1::2f",
+      "kavlan-4": "2001:660:4406:584:3:1::2f",
+      "kavlan-5": "2001:660:4406:585:3:1::2f",
+      "kavlan-6": "2001:660:4406:586:3:1::2f",
+      "kavlan-7": "2001:660:4406:587:3:1::2f",
+      "kavlan-8": "2001:660:4406:588:3:1::2f",
+      "kavlan-9": "2001:660:4406:589:3:1::2f"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::2f",
       "kavlan": true,
       "mac": "98:03:9b:b0:c1:07",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-48.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-48.json
index d84c65bb07a1d99586eca497458704c4ddfe95f1..4bfca9422ff8125cb9abfe80d95a412f63595d7e 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-48.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-48.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.48"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::30",
+      "kavlan-11": "2001:660:4406:58b:3::30",
+      "kavlan-12": "2001:660:4406:58c:3::30",
+      "kavlan-13": "2001:660:4406:58d:3::30",
+      "kavlan-14": "2001:660:4406:58e:3::30",
+      "kavlan-16": "2001:660:4406:590:3::30",
+      "kavlan-18": "2001:660:4406:592:3::30",
+      "kavlan-2": "2001:660:4406:582:3::30",
+      "kavlan-20": "2001:660:4406:594:3::30",
+      "kavlan-21": "2001:660:4406:595:3::30",
+      "kavlan-3": "2001:660:4406:583:3::30",
+      "kavlan-4": "2001:660:4406:584:3::30",
+      "kavlan-5": "2001:660:4406:585:3::30",
+      "kavlan-6": "2001:660:4406:586:3::30",
+      "kavlan-7": "2001:660:4406:587:3::30",
+      "kavlan-8": "2001:660:4406:588:3::30",
+      "kavlan-9": "2001:660:4406:589:3::30"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::30",
+      "kavlan-11": "2001:660:4406:58b:3:1::30",
+      "kavlan-12": "2001:660:4406:58c:3:1::30",
+      "kavlan-13": "2001:660:4406:58d:3:1::30",
+      "kavlan-14": "2001:660:4406:58e:3:1::30",
+      "kavlan-16": "2001:660:4406:590:3:1::30",
+      "kavlan-18": "2001:660:4406:592:3:1::30",
+      "kavlan-2": "2001:660:4406:582:3:1::30",
+      "kavlan-20": "2001:660:4406:594:3:1::30",
+      "kavlan-21": "2001:660:4406:595:3:1::30",
+      "kavlan-3": "2001:660:4406:583:3:1::30",
+      "kavlan-4": "2001:660:4406:584:3:1::30",
+      "kavlan-5": "2001:660:4406:585:3:1::30",
+      "kavlan-6": "2001:660:4406:586:3:1::30",
+      "kavlan-7": "2001:660:4406:587:3:1::30",
+      "kavlan-8": "2001:660:4406:588:3:1::30",
+      "kavlan-9": "2001:660:4406:589:3:1::30"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::30",
       "kavlan": true,
       "mac": "98:03:9b:b0:c9:c7",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-49.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-49.json
index d56aaec6e47377ad4a5ecf6cca3b5272a307f456..e976482509c28218669ae1b81ec44209576effe9 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-49.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-49.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.49"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::31",
+      "kavlan-11": "2001:660:4406:58b:3::31",
+      "kavlan-12": "2001:660:4406:58c:3::31",
+      "kavlan-13": "2001:660:4406:58d:3::31",
+      "kavlan-14": "2001:660:4406:58e:3::31",
+      "kavlan-16": "2001:660:4406:590:3::31",
+      "kavlan-18": "2001:660:4406:592:3::31",
+      "kavlan-2": "2001:660:4406:582:3::31",
+      "kavlan-20": "2001:660:4406:594:3::31",
+      "kavlan-21": "2001:660:4406:595:3::31",
+      "kavlan-3": "2001:660:4406:583:3::31",
+      "kavlan-4": "2001:660:4406:584:3::31",
+      "kavlan-5": "2001:660:4406:585:3::31",
+      "kavlan-6": "2001:660:4406:586:3::31",
+      "kavlan-7": "2001:660:4406:587:3::31",
+      "kavlan-8": "2001:660:4406:588:3::31",
+      "kavlan-9": "2001:660:4406:589:3::31"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::31",
+      "kavlan-11": "2001:660:4406:58b:3:1::31",
+      "kavlan-12": "2001:660:4406:58c:3:1::31",
+      "kavlan-13": "2001:660:4406:58d:3:1::31",
+      "kavlan-14": "2001:660:4406:58e:3:1::31",
+      "kavlan-16": "2001:660:4406:590:3:1::31",
+      "kavlan-18": "2001:660:4406:592:3:1::31",
+      "kavlan-2": "2001:660:4406:582:3:1::31",
+      "kavlan-20": "2001:660:4406:594:3:1::31",
+      "kavlan-21": "2001:660:4406:595:3:1::31",
+      "kavlan-3": "2001:660:4406:583:3:1::31",
+      "kavlan-4": "2001:660:4406:584:3:1::31",
+      "kavlan-5": "2001:660:4406:585:3:1::31",
+      "kavlan-6": "2001:660:4406:586:3:1::31",
+      "kavlan-7": "2001:660:4406:587:3:1::31",
+      "kavlan-8": "2001:660:4406:588:3:1::31",
+      "kavlan-9": "2001:660:4406:589:3:1::31"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::31",
       "kavlan": true,
       "mac": "98:03:9b:b0:bb:6f",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-5.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-5.json
index 87579100aa79cbe20346eae6b7d0919de130f303..618b4cf3d870a461fcfcf1315af3fa162edfe482 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-5.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-5.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.5"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::5",
+      "kavlan-11": "2001:660:4406:58b:3::5",
+      "kavlan-12": "2001:660:4406:58c:3::5",
+      "kavlan-13": "2001:660:4406:58d:3::5",
+      "kavlan-14": "2001:660:4406:58e:3::5",
+      "kavlan-16": "2001:660:4406:590:3::5",
+      "kavlan-18": "2001:660:4406:592:3::5",
+      "kavlan-2": "2001:660:4406:582:3::5",
+      "kavlan-20": "2001:660:4406:594:3::5",
+      "kavlan-21": "2001:660:4406:595:3::5",
+      "kavlan-3": "2001:660:4406:583:3::5",
+      "kavlan-4": "2001:660:4406:584:3::5",
+      "kavlan-5": "2001:660:4406:585:3::5",
+      "kavlan-6": "2001:660:4406:586:3::5",
+      "kavlan-7": "2001:660:4406:587:3::5",
+      "kavlan-8": "2001:660:4406:588:3::5",
+      "kavlan-9": "2001:660:4406:589:3::5"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::5",
+      "kavlan-11": "2001:660:4406:58b:3:1::5",
+      "kavlan-12": "2001:660:4406:58c:3:1::5",
+      "kavlan-13": "2001:660:4406:58d:3:1::5",
+      "kavlan-14": "2001:660:4406:58e:3:1::5",
+      "kavlan-16": "2001:660:4406:590:3:1::5",
+      "kavlan-18": "2001:660:4406:592:3:1::5",
+      "kavlan-2": "2001:660:4406:582:3:1::5",
+      "kavlan-20": "2001:660:4406:594:3:1::5",
+      "kavlan-21": "2001:660:4406:595:3:1::5",
+      "kavlan-3": "2001:660:4406:583:3:1::5",
+      "kavlan-4": "2001:660:4406:584:3:1::5",
+      "kavlan-5": "2001:660:4406:585:3:1::5",
+      "kavlan-6": "2001:660:4406:586:3:1::5",
+      "kavlan-7": "2001:660:4406:587:3:1::5",
+      "kavlan-8": "2001:660:4406:588:3:1::5",
+      "kavlan-9": "2001:660:4406:589:3:1::5"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::5",
       "kavlan": true,
       "mac": "98:03:9b:b0:d2:e7",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-50.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-50.json
index 2bf657f1c16bde34b6d8cefd2e5cf5688a0073ef..17c9565625921f62033ef97dc66385d85cc5619f 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-50.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-50.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.50"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::32",
+      "kavlan-11": "2001:660:4406:58b:3::32",
+      "kavlan-12": "2001:660:4406:58c:3::32",
+      "kavlan-13": "2001:660:4406:58d:3::32",
+      "kavlan-14": "2001:660:4406:58e:3::32",
+      "kavlan-16": "2001:660:4406:590:3::32",
+      "kavlan-18": "2001:660:4406:592:3::32",
+      "kavlan-2": "2001:660:4406:582:3::32",
+      "kavlan-20": "2001:660:4406:594:3::32",
+      "kavlan-21": "2001:660:4406:595:3::32",
+      "kavlan-3": "2001:660:4406:583:3::32",
+      "kavlan-4": "2001:660:4406:584:3::32",
+      "kavlan-5": "2001:660:4406:585:3::32",
+      "kavlan-6": "2001:660:4406:586:3::32",
+      "kavlan-7": "2001:660:4406:587:3::32",
+      "kavlan-8": "2001:660:4406:588:3::32",
+      "kavlan-9": "2001:660:4406:589:3::32"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::32",
+      "kavlan-11": "2001:660:4406:58b:3:1::32",
+      "kavlan-12": "2001:660:4406:58c:3:1::32",
+      "kavlan-13": "2001:660:4406:58d:3:1::32",
+      "kavlan-14": "2001:660:4406:58e:3:1::32",
+      "kavlan-16": "2001:660:4406:590:3:1::32",
+      "kavlan-18": "2001:660:4406:592:3:1::32",
+      "kavlan-2": "2001:660:4406:582:3:1::32",
+      "kavlan-20": "2001:660:4406:594:3:1::32",
+      "kavlan-21": "2001:660:4406:595:3:1::32",
+      "kavlan-3": "2001:660:4406:583:3:1::32",
+      "kavlan-4": "2001:660:4406:584:3:1::32",
+      "kavlan-5": "2001:660:4406:585:3:1::32",
+      "kavlan-6": "2001:660:4406:586:3:1::32",
+      "kavlan-7": "2001:660:4406:587:3:1::32",
+      "kavlan-8": "2001:660:4406:588:3:1::32",
+      "kavlan-9": "2001:660:4406:589:3:1::32"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::32",
       "kavlan": true,
       "mac": "98:03:9b:b0:a3:a7",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-51.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-51.json
index 928e4cfd0ca09a78144fe27d1c8762b8d5c1e857..d576de0eb31723016d1c2f2e7daaf43303faf119 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-51.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-51.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.51"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::33",
+      "kavlan-11": "2001:660:4406:58b:3::33",
+      "kavlan-12": "2001:660:4406:58c:3::33",
+      "kavlan-13": "2001:660:4406:58d:3::33",
+      "kavlan-14": "2001:660:4406:58e:3::33",
+      "kavlan-16": "2001:660:4406:590:3::33",
+      "kavlan-18": "2001:660:4406:592:3::33",
+      "kavlan-2": "2001:660:4406:582:3::33",
+      "kavlan-20": "2001:660:4406:594:3::33",
+      "kavlan-21": "2001:660:4406:595:3::33",
+      "kavlan-3": "2001:660:4406:583:3::33",
+      "kavlan-4": "2001:660:4406:584:3::33",
+      "kavlan-5": "2001:660:4406:585:3::33",
+      "kavlan-6": "2001:660:4406:586:3::33",
+      "kavlan-7": "2001:660:4406:587:3::33",
+      "kavlan-8": "2001:660:4406:588:3::33",
+      "kavlan-9": "2001:660:4406:589:3::33"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::33",
+      "kavlan-11": "2001:660:4406:58b:3:1::33",
+      "kavlan-12": "2001:660:4406:58c:3:1::33",
+      "kavlan-13": "2001:660:4406:58d:3:1::33",
+      "kavlan-14": "2001:660:4406:58e:3:1::33",
+      "kavlan-16": "2001:660:4406:590:3:1::33",
+      "kavlan-18": "2001:660:4406:592:3:1::33",
+      "kavlan-2": "2001:660:4406:582:3:1::33",
+      "kavlan-20": "2001:660:4406:594:3:1::33",
+      "kavlan-21": "2001:660:4406:595:3:1::33",
+      "kavlan-3": "2001:660:4406:583:3:1::33",
+      "kavlan-4": "2001:660:4406:584:3:1::33",
+      "kavlan-5": "2001:660:4406:585:3:1::33",
+      "kavlan-6": "2001:660:4406:586:3:1::33",
+      "kavlan-7": "2001:660:4406:587:3:1::33",
+      "kavlan-8": "2001:660:4406:588:3:1::33",
+      "kavlan-9": "2001:660:4406:589:3:1::33"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::33",
       "kavlan": true,
       "mac": "98:03:9b:b0:bb:77",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-52.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-52.json
index 4e8d127793fd8057762c9040928f3281a09bbcd1..04d8de152841db9bc7f368b86087828cd0892596 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-52.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-52.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.52"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::34",
+      "kavlan-11": "2001:660:4406:58b:3::34",
+      "kavlan-12": "2001:660:4406:58c:3::34",
+      "kavlan-13": "2001:660:4406:58d:3::34",
+      "kavlan-14": "2001:660:4406:58e:3::34",
+      "kavlan-16": "2001:660:4406:590:3::34",
+      "kavlan-18": "2001:660:4406:592:3::34",
+      "kavlan-2": "2001:660:4406:582:3::34",
+      "kavlan-20": "2001:660:4406:594:3::34",
+      "kavlan-21": "2001:660:4406:595:3::34",
+      "kavlan-3": "2001:660:4406:583:3::34",
+      "kavlan-4": "2001:660:4406:584:3::34",
+      "kavlan-5": "2001:660:4406:585:3::34",
+      "kavlan-6": "2001:660:4406:586:3::34",
+      "kavlan-7": "2001:660:4406:587:3::34",
+      "kavlan-8": "2001:660:4406:588:3::34",
+      "kavlan-9": "2001:660:4406:589:3::34"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::34",
+      "kavlan-11": "2001:660:4406:58b:3:1::34",
+      "kavlan-12": "2001:660:4406:58c:3:1::34",
+      "kavlan-13": "2001:660:4406:58d:3:1::34",
+      "kavlan-14": "2001:660:4406:58e:3:1::34",
+      "kavlan-16": "2001:660:4406:590:3:1::34",
+      "kavlan-18": "2001:660:4406:592:3:1::34",
+      "kavlan-2": "2001:660:4406:582:3:1::34",
+      "kavlan-20": "2001:660:4406:594:3:1::34",
+      "kavlan-21": "2001:660:4406:595:3:1::34",
+      "kavlan-3": "2001:660:4406:583:3:1::34",
+      "kavlan-4": "2001:660:4406:584:3:1::34",
+      "kavlan-5": "2001:660:4406:585:3:1::34",
+      "kavlan-6": "2001:660:4406:586:3:1::34",
+      "kavlan-7": "2001:660:4406:587:3:1::34",
+      "kavlan-8": "2001:660:4406:588:3:1::34",
+      "kavlan-9": "2001:660:4406:589:3:1::34"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::34",
       "kavlan": true,
       "mac": "98:03:9b:b0:c1:17",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-53.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-53.json
index 301e5ad0c1bb94c7db646117dae5595079f91eca..3c22c619ac32465e4e6bbbb164ed653a9355e11d 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-53.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-53.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.53"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::35",
+      "kavlan-11": "2001:660:4406:58b:3::35",
+      "kavlan-12": "2001:660:4406:58c:3::35",
+      "kavlan-13": "2001:660:4406:58d:3::35",
+      "kavlan-14": "2001:660:4406:58e:3::35",
+      "kavlan-16": "2001:660:4406:590:3::35",
+      "kavlan-18": "2001:660:4406:592:3::35",
+      "kavlan-2": "2001:660:4406:582:3::35",
+      "kavlan-20": "2001:660:4406:594:3::35",
+      "kavlan-21": "2001:660:4406:595:3::35",
+      "kavlan-3": "2001:660:4406:583:3::35",
+      "kavlan-4": "2001:660:4406:584:3::35",
+      "kavlan-5": "2001:660:4406:585:3::35",
+      "kavlan-6": "2001:660:4406:586:3::35",
+      "kavlan-7": "2001:660:4406:587:3::35",
+      "kavlan-8": "2001:660:4406:588:3::35",
+      "kavlan-9": "2001:660:4406:589:3::35"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::35",
+      "kavlan-11": "2001:660:4406:58b:3:1::35",
+      "kavlan-12": "2001:660:4406:58c:3:1::35",
+      "kavlan-13": "2001:660:4406:58d:3:1::35",
+      "kavlan-14": "2001:660:4406:58e:3:1::35",
+      "kavlan-16": "2001:660:4406:590:3:1::35",
+      "kavlan-18": "2001:660:4406:592:3:1::35",
+      "kavlan-2": "2001:660:4406:582:3:1::35",
+      "kavlan-20": "2001:660:4406:594:3:1::35",
+      "kavlan-21": "2001:660:4406:595:3:1::35",
+      "kavlan-3": "2001:660:4406:583:3:1::35",
+      "kavlan-4": "2001:660:4406:584:3:1::35",
+      "kavlan-5": "2001:660:4406:585:3:1::35",
+      "kavlan-6": "2001:660:4406:586:3:1::35",
+      "kavlan-7": "2001:660:4406:587:3:1::35",
+      "kavlan-8": "2001:660:4406:588:3:1::35",
+      "kavlan-9": "2001:660:4406:589:3:1::35"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::35",
       "kavlan": true,
       "mac": "98:03:9b:b0:b5:07",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-54.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-54.json
index 8709c3da86753679b099f977d75108d6db5a6132..66abc335fa1520e78eb669f2a2303195f49d539b 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-54.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-54.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.54"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::36",
+      "kavlan-11": "2001:660:4406:58b:3::36",
+      "kavlan-12": "2001:660:4406:58c:3::36",
+      "kavlan-13": "2001:660:4406:58d:3::36",
+      "kavlan-14": "2001:660:4406:58e:3::36",
+      "kavlan-16": "2001:660:4406:590:3::36",
+      "kavlan-18": "2001:660:4406:592:3::36",
+      "kavlan-2": "2001:660:4406:582:3::36",
+      "kavlan-20": "2001:660:4406:594:3::36",
+      "kavlan-21": "2001:660:4406:595:3::36",
+      "kavlan-3": "2001:660:4406:583:3::36",
+      "kavlan-4": "2001:660:4406:584:3::36",
+      "kavlan-5": "2001:660:4406:585:3::36",
+      "kavlan-6": "2001:660:4406:586:3::36",
+      "kavlan-7": "2001:660:4406:587:3::36",
+      "kavlan-8": "2001:660:4406:588:3::36",
+      "kavlan-9": "2001:660:4406:589:3::36"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::36",
+      "kavlan-11": "2001:660:4406:58b:3:1::36",
+      "kavlan-12": "2001:660:4406:58c:3:1::36",
+      "kavlan-13": "2001:660:4406:58d:3:1::36",
+      "kavlan-14": "2001:660:4406:58e:3:1::36",
+      "kavlan-16": "2001:660:4406:590:3:1::36",
+      "kavlan-18": "2001:660:4406:592:3:1::36",
+      "kavlan-2": "2001:660:4406:582:3:1::36",
+      "kavlan-20": "2001:660:4406:594:3:1::36",
+      "kavlan-21": "2001:660:4406:595:3:1::36",
+      "kavlan-3": "2001:660:4406:583:3:1::36",
+      "kavlan-4": "2001:660:4406:584:3:1::36",
+      "kavlan-5": "2001:660:4406:585:3:1::36",
+      "kavlan-6": "2001:660:4406:586:3:1::36",
+      "kavlan-7": "2001:660:4406:587:3:1::36",
+      "kavlan-8": "2001:660:4406:588:3:1::36",
+      "kavlan-9": "2001:660:4406:589:3:1::36"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::36",
       "kavlan": true,
       "mac": "98:03:9b:b0:c8:ef",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-55.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-55.json
index 96f4e71bfb345032073fb18858ed95fbc73a2b8d..def194f46f6db464dc65b5fee481872983a11969 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-55.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-55.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.55"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::37",
+      "kavlan-11": "2001:660:4406:58b:3::37",
+      "kavlan-12": "2001:660:4406:58c:3::37",
+      "kavlan-13": "2001:660:4406:58d:3::37",
+      "kavlan-14": "2001:660:4406:58e:3::37",
+      "kavlan-16": "2001:660:4406:590:3::37",
+      "kavlan-18": "2001:660:4406:592:3::37",
+      "kavlan-2": "2001:660:4406:582:3::37",
+      "kavlan-20": "2001:660:4406:594:3::37",
+      "kavlan-21": "2001:660:4406:595:3::37",
+      "kavlan-3": "2001:660:4406:583:3::37",
+      "kavlan-4": "2001:660:4406:584:3::37",
+      "kavlan-5": "2001:660:4406:585:3::37",
+      "kavlan-6": "2001:660:4406:586:3::37",
+      "kavlan-7": "2001:660:4406:587:3::37",
+      "kavlan-8": "2001:660:4406:588:3::37",
+      "kavlan-9": "2001:660:4406:589:3::37"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::37",
+      "kavlan-11": "2001:660:4406:58b:3:1::37",
+      "kavlan-12": "2001:660:4406:58c:3:1::37",
+      "kavlan-13": "2001:660:4406:58d:3:1::37",
+      "kavlan-14": "2001:660:4406:58e:3:1::37",
+      "kavlan-16": "2001:660:4406:590:3:1::37",
+      "kavlan-18": "2001:660:4406:592:3:1::37",
+      "kavlan-2": "2001:660:4406:582:3:1::37",
+      "kavlan-20": "2001:660:4406:594:3:1::37",
+      "kavlan-21": "2001:660:4406:595:3:1::37",
+      "kavlan-3": "2001:660:4406:583:3:1::37",
+      "kavlan-4": "2001:660:4406:584:3:1::37",
+      "kavlan-5": "2001:660:4406:585:3:1::37",
+      "kavlan-6": "2001:660:4406:586:3:1::37",
+      "kavlan-7": "2001:660:4406:587:3:1::37",
+      "kavlan-8": "2001:660:4406:588:3:1::37",
+      "kavlan-9": "2001:660:4406:589:3:1::37"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::37",
       "kavlan": true,
       "mac": "98:03:9b:b0:bf:cf",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-56.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-56.json
index 2321cab2dc45533f7a6c2db526f9a7fb2c23dd16..09f4c5f08805ebd304f30b2a4291392a8727bcf0 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-56.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-56.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.56"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::38",
+      "kavlan-11": "2001:660:4406:58b:3::38",
+      "kavlan-12": "2001:660:4406:58c:3::38",
+      "kavlan-13": "2001:660:4406:58d:3::38",
+      "kavlan-14": "2001:660:4406:58e:3::38",
+      "kavlan-16": "2001:660:4406:590:3::38",
+      "kavlan-18": "2001:660:4406:592:3::38",
+      "kavlan-2": "2001:660:4406:582:3::38",
+      "kavlan-20": "2001:660:4406:594:3::38",
+      "kavlan-21": "2001:660:4406:595:3::38",
+      "kavlan-3": "2001:660:4406:583:3::38",
+      "kavlan-4": "2001:660:4406:584:3::38",
+      "kavlan-5": "2001:660:4406:585:3::38",
+      "kavlan-6": "2001:660:4406:586:3::38",
+      "kavlan-7": "2001:660:4406:587:3::38",
+      "kavlan-8": "2001:660:4406:588:3::38",
+      "kavlan-9": "2001:660:4406:589:3::38"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::38",
+      "kavlan-11": "2001:660:4406:58b:3:1::38",
+      "kavlan-12": "2001:660:4406:58c:3:1::38",
+      "kavlan-13": "2001:660:4406:58d:3:1::38",
+      "kavlan-14": "2001:660:4406:58e:3:1::38",
+      "kavlan-16": "2001:660:4406:590:3:1::38",
+      "kavlan-18": "2001:660:4406:592:3:1::38",
+      "kavlan-2": "2001:660:4406:582:3:1::38",
+      "kavlan-20": "2001:660:4406:594:3:1::38",
+      "kavlan-21": "2001:660:4406:595:3:1::38",
+      "kavlan-3": "2001:660:4406:583:3:1::38",
+      "kavlan-4": "2001:660:4406:584:3:1::38",
+      "kavlan-5": "2001:660:4406:585:3:1::38",
+      "kavlan-6": "2001:660:4406:586:3:1::38",
+      "kavlan-7": "2001:660:4406:587:3:1::38",
+      "kavlan-8": "2001:660:4406:588:3:1::38",
+      "kavlan-9": "2001:660:4406:589:3:1::38"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::38",
       "kavlan": true,
       "mac": "98:03:9b:b0:65:13",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-57.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-57.json
index d51a423909abe532aadfa15f8704e4fbe240968c..1c25b859d7afa97f7eeb4aae79c30c57fdb8269d 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-57.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-57.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.57"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::39",
+      "kavlan-11": "2001:660:4406:58b:3::39",
+      "kavlan-12": "2001:660:4406:58c:3::39",
+      "kavlan-13": "2001:660:4406:58d:3::39",
+      "kavlan-14": "2001:660:4406:58e:3::39",
+      "kavlan-16": "2001:660:4406:590:3::39",
+      "kavlan-18": "2001:660:4406:592:3::39",
+      "kavlan-2": "2001:660:4406:582:3::39",
+      "kavlan-20": "2001:660:4406:594:3::39",
+      "kavlan-21": "2001:660:4406:595:3::39",
+      "kavlan-3": "2001:660:4406:583:3::39",
+      "kavlan-4": "2001:660:4406:584:3::39",
+      "kavlan-5": "2001:660:4406:585:3::39",
+      "kavlan-6": "2001:660:4406:586:3::39",
+      "kavlan-7": "2001:660:4406:587:3::39",
+      "kavlan-8": "2001:660:4406:588:3::39",
+      "kavlan-9": "2001:660:4406:589:3::39"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::39",
+      "kavlan-11": "2001:660:4406:58b:3:1::39",
+      "kavlan-12": "2001:660:4406:58c:3:1::39",
+      "kavlan-13": "2001:660:4406:58d:3:1::39",
+      "kavlan-14": "2001:660:4406:58e:3:1::39",
+      "kavlan-16": "2001:660:4406:590:3:1::39",
+      "kavlan-18": "2001:660:4406:592:3:1::39",
+      "kavlan-2": "2001:660:4406:582:3:1::39",
+      "kavlan-20": "2001:660:4406:594:3:1::39",
+      "kavlan-21": "2001:660:4406:595:3:1::39",
+      "kavlan-3": "2001:660:4406:583:3:1::39",
+      "kavlan-4": "2001:660:4406:584:3:1::39",
+      "kavlan-5": "2001:660:4406:585:3:1::39",
+      "kavlan-6": "2001:660:4406:586:3:1::39",
+      "kavlan-7": "2001:660:4406:587:3:1::39",
+      "kavlan-8": "2001:660:4406:588:3:1::39",
+      "kavlan-9": "2001:660:4406:589:3:1::39"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::39",
       "kavlan": true,
       "mac": "98:03:9b:b0:c0:17",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-58.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-58.json
index 97221f6ba639b170711575e28aa3abfc5d5042de..2f02af0950c568495c50618a5abd3a0000e9a83e 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-58.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-58.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.58"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::3a",
+      "kavlan-11": "2001:660:4406:58b:3::3a",
+      "kavlan-12": "2001:660:4406:58c:3::3a",
+      "kavlan-13": "2001:660:4406:58d:3::3a",
+      "kavlan-14": "2001:660:4406:58e:3::3a",
+      "kavlan-16": "2001:660:4406:590:3::3a",
+      "kavlan-18": "2001:660:4406:592:3::3a",
+      "kavlan-2": "2001:660:4406:582:3::3a",
+      "kavlan-20": "2001:660:4406:594:3::3a",
+      "kavlan-21": "2001:660:4406:595:3::3a",
+      "kavlan-3": "2001:660:4406:583:3::3a",
+      "kavlan-4": "2001:660:4406:584:3::3a",
+      "kavlan-5": "2001:660:4406:585:3::3a",
+      "kavlan-6": "2001:660:4406:586:3::3a",
+      "kavlan-7": "2001:660:4406:587:3::3a",
+      "kavlan-8": "2001:660:4406:588:3::3a",
+      "kavlan-9": "2001:660:4406:589:3::3a"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::3a",
+      "kavlan-11": "2001:660:4406:58b:3:1::3a",
+      "kavlan-12": "2001:660:4406:58c:3:1::3a",
+      "kavlan-13": "2001:660:4406:58d:3:1::3a",
+      "kavlan-14": "2001:660:4406:58e:3:1::3a",
+      "kavlan-16": "2001:660:4406:590:3:1::3a",
+      "kavlan-18": "2001:660:4406:592:3:1::3a",
+      "kavlan-2": "2001:660:4406:582:3:1::3a",
+      "kavlan-20": "2001:660:4406:594:3:1::3a",
+      "kavlan-21": "2001:660:4406:595:3:1::3a",
+      "kavlan-3": "2001:660:4406:583:3:1::3a",
+      "kavlan-4": "2001:660:4406:584:3:1::3a",
+      "kavlan-5": "2001:660:4406:585:3:1::3a",
+      "kavlan-6": "2001:660:4406:586:3:1::3a",
+      "kavlan-7": "2001:660:4406:587:3:1::3a",
+      "kavlan-8": "2001:660:4406:588:3:1::3a",
+      "kavlan-9": "2001:660:4406:589:3:1::3a"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::3a",
       "kavlan": true,
       "mac": "98:03:9b:b0:c4:ef",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-59.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-59.json
index 74cdac7a5a825aaad2ac0f6110448bc8ba2ddf34..b010f6a981c73ba19e559311c71fa42dde1a0356 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-59.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-59.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.59"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::3b",
+      "kavlan-11": "2001:660:4406:58b:3::3b",
+      "kavlan-12": "2001:660:4406:58c:3::3b",
+      "kavlan-13": "2001:660:4406:58d:3::3b",
+      "kavlan-14": "2001:660:4406:58e:3::3b",
+      "kavlan-16": "2001:660:4406:590:3::3b",
+      "kavlan-18": "2001:660:4406:592:3::3b",
+      "kavlan-2": "2001:660:4406:582:3::3b",
+      "kavlan-20": "2001:660:4406:594:3::3b",
+      "kavlan-21": "2001:660:4406:595:3::3b",
+      "kavlan-3": "2001:660:4406:583:3::3b",
+      "kavlan-4": "2001:660:4406:584:3::3b",
+      "kavlan-5": "2001:660:4406:585:3::3b",
+      "kavlan-6": "2001:660:4406:586:3::3b",
+      "kavlan-7": "2001:660:4406:587:3::3b",
+      "kavlan-8": "2001:660:4406:588:3::3b",
+      "kavlan-9": "2001:660:4406:589:3::3b"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::3b",
+      "kavlan-11": "2001:660:4406:58b:3:1::3b",
+      "kavlan-12": "2001:660:4406:58c:3:1::3b",
+      "kavlan-13": "2001:660:4406:58d:3:1::3b",
+      "kavlan-14": "2001:660:4406:58e:3:1::3b",
+      "kavlan-16": "2001:660:4406:590:3:1::3b",
+      "kavlan-18": "2001:660:4406:592:3:1::3b",
+      "kavlan-2": "2001:660:4406:582:3:1::3b",
+      "kavlan-20": "2001:660:4406:594:3:1::3b",
+      "kavlan-21": "2001:660:4406:595:3:1::3b",
+      "kavlan-3": "2001:660:4406:583:3:1::3b",
+      "kavlan-4": "2001:660:4406:584:3:1::3b",
+      "kavlan-5": "2001:660:4406:585:3:1::3b",
+      "kavlan-6": "2001:660:4406:586:3:1::3b",
+      "kavlan-7": "2001:660:4406:587:3:1::3b",
+      "kavlan-8": "2001:660:4406:588:3:1::3b",
+      "kavlan-9": "2001:660:4406:589:3:1::3b"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::3b",
       "kavlan": true,
       "mac": "98:03:9b:b0:c1:2f",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-6.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-6.json
index 3911a84fc882d2b09b013ab2c1d40382458d6bb0..3565258cc16e192295564f9a8d00e8cfd7dc0a2c 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-6.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-6.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.6"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::6",
+      "kavlan-11": "2001:660:4406:58b:3::6",
+      "kavlan-12": "2001:660:4406:58c:3::6",
+      "kavlan-13": "2001:660:4406:58d:3::6",
+      "kavlan-14": "2001:660:4406:58e:3::6",
+      "kavlan-16": "2001:660:4406:590:3::6",
+      "kavlan-18": "2001:660:4406:592:3::6",
+      "kavlan-2": "2001:660:4406:582:3::6",
+      "kavlan-20": "2001:660:4406:594:3::6",
+      "kavlan-21": "2001:660:4406:595:3::6",
+      "kavlan-3": "2001:660:4406:583:3::6",
+      "kavlan-4": "2001:660:4406:584:3::6",
+      "kavlan-5": "2001:660:4406:585:3::6",
+      "kavlan-6": "2001:660:4406:586:3::6",
+      "kavlan-7": "2001:660:4406:587:3::6",
+      "kavlan-8": "2001:660:4406:588:3::6",
+      "kavlan-9": "2001:660:4406:589:3::6"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::6",
+      "kavlan-11": "2001:660:4406:58b:3:1::6",
+      "kavlan-12": "2001:660:4406:58c:3:1::6",
+      "kavlan-13": "2001:660:4406:58d:3:1::6",
+      "kavlan-14": "2001:660:4406:58e:3:1::6",
+      "kavlan-16": "2001:660:4406:590:3:1::6",
+      "kavlan-18": "2001:660:4406:592:3:1::6",
+      "kavlan-2": "2001:660:4406:582:3:1::6",
+      "kavlan-20": "2001:660:4406:594:3:1::6",
+      "kavlan-21": "2001:660:4406:595:3:1::6",
+      "kavlan-3": "2001:660:4406:583:3:1::6",
+      "kavlan-4": "2001:660:4406:584:3:1::6",
+      "kavlan-5": "2001:660:4406:585:3:1::6",
+      "kavlan-6": "2001:660:4406:586:3:1::6",
+      "kavlan-7": "2001:660:4406:587:3:1::6",
+      "kavlan-8": "2001:660:4406:588:3:1::6",
+      "kavlan-9": "2001:660:4406:589:3:1::6"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::6",
       "kavlan": true,
       "mac": "98:03:9b:b0:d0:17",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-60.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-60.json
index 40294c6c7d2cf54d17800edd5d6a8a90729b0be9..26c87bab42e5a1cd2842c7de4c37f827ab8e72db 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-60.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-60.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.60"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::3c",
+      "kavlan-11": "2001:660:4406:58b:3::3c",
+      "kavlan-12": "2001:660:4406:58c:3::3c",
+      "kavlan-13": "2001:660:4406:58d:3::3c",
+      "kavlan-14": "2001:660:4406:58e:3::3c",
+      "kavlan-16": "2001:660:4406:590:3::3c",
+      "kavlan-18": "2001:660:4406:592:3::3c",
+      "kavlan-2": "2001:660:4406:582:3::3c",
+      "kavlan-20": "2001:660:4406:594:3::3c",
+      "kavlan-21": "2001:660:4406:595:3::3c",
+      "kavlan-3": "2001:660:4406:583:3::3c",
+      "kavlan-4": "2001:660:4406:584:3::3c",
+      "kavlan-5": "2001:660:4406:585:3::3c",
+      "kavlan-6": "2001:660:4406:586:3::3c",
+      "kavlan-7": "2001:660:4406:587:3::3c",
+      "kavlan-8": "2001:660:4406:588:3::3c",
+      "kavlan-9": "2001:660:4406:589:3::3c"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::3c",
+      "kavlan-11": "2001:660:4406:58b:3:1::3c",
+      "kavlan-12": "2001:660:4406:58c:3:1::3c",
+      "kavlan-13": "2001:660:4406:58d:3:1::3c",
+      "kavlan-14": "2001:660:4406:58e:3:1::3c",
+      "kavlan-16": "2001:660:4406:590:3:1::3c",
+      "kavlan-18": "2001:660:4406:592:3:1::3c",
+      "kavlan-2": "2001:660:4406:582:3:1::3c",
+      "kavlan-20": "2001:660:4406:594:3:1::3c",
+      "kavlan-21": "2001:660:4406:595:3:1::3c",
+      "kavlan-3": "2001:660:4406:583:3:1::3c",
+      "kavlan-4": "2001:660:4406:584:3:1::3c",
+      "kavlan-5": "2001:660:4406:585:3:1::3c",
+      "kavlan-6": "2001:660:4406:586:3:1::3c",
+      "kavlan-7": "2001:660:4406:587:3:1::3c",
+      "kavlan-8": "2001:660:4406:588:3:1::3c",
+      "kavlan-9": "2001:660:4406:589:3:1::3c"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::3c",
       "kavlan": true,
       "mac": "98:03:9b:b0:c0:f7",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-61.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-61.json
index 61755158fd60d20e8927d14fb4fc9fbe340bb391..dffde8bce7e41eff65505c7bff5d33df8f846f58 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-61.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-61.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.61"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::3d",
+      "kavlan-11": "2001:660:4406:58b:3::3d",
+      "kavlan-12": "2001:660:4406:58c:3::3d",
+      "kavlan-13": "2001:660:4406:58d:3::3d",
+      "kavlan-14": "2001:660:4406:58e:3::3d",
+      "kavlan-16": "2001:660:4406:590:3::3d",
+      "kavlan-18": "2001:660:4406:592:3::3d",
+      "kavlan-2": "2001:660:4406:582:3::3d",
+      "kavlan-20": "2001:660:4406:594:3::3d",
+      "kavlan-21": "2001:660:4406:595:3::3d",
+      "kavlan-3": "2001:660:4406:583:3::3d",
+      "kavlan-4": "2001:660:4406:584:3::3d",
+      "kavlan-5": "2001:660:4406:585:3::3d",
+      "kavlan-6": "2001:660:4406:586:3::3d",
+      "kavlan-7": "2001:660:4406:587:3::3d",
+      "kavlan-8": "2001:660:4406:588:3::3d",
+      "kavlan-9": "2001:660:4406:589:3::3d"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::3d",
+      "kavlan-11": "2001:660:4406:58b:3:1::3d",
+      "kavlan-12": "2001:660:4406:58c:3:1::3d",
+      "kavlan-13": "2001:660:4406:58d:3:1::3d",
+      "kavlan-14": "2001:660:4406:58e:3:1::3d",
+      "kavlan-16": "2001:660:4406:590:3:1::3d",
+      "kavlan-18": "2001:660:4406:592:3:1::3d",
+      "kavlan-2": "2001:660:4406:582:3:1::3d",
+      "kavlan-20": "2001:660:4406:594:3:1::3d",
+      "kavlan-21": "2001:660:4406:595:3:1::3d",
+      "kavlan-3": "2001:660:4406:583:3:1::3d",
+      "kavlan-4": "2001:660:4406:584:3:1::3d",
+      "kavlan-5": "2001:660:4406:585:3:1::3d",
+      "kavlan-6": "2001:660:4406:586:3:1::3d",
+      "kavlan-7": "2001:660:4406:587:3:1::3d",
+      "kavlan-8": "2001:660:4406:588:3:1::3d",
+      "kavlan-9": "2001:660:4406:589:3:1::3d"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::3d",
       "kavlan": true,
       "mac": "98:03:9b:b0:98:1b",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-62.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-62.json
index f14cfb4050a4f66adb43503ebfd65850ff50c4f2..de4012b870bc4b86f7f6568b0f21e3be0a5401bd 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-62.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-62.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.62"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::3e",
+      "kavlan-11": "2001:660:4406:58b:3::3e",
+      "kavlan-12": "2001:660:4406:58c:3::3e",
+      "kavlan-13": "2001:660:4406:58d:3::3e",
+      "kavlan-14": "2001:660:4406:58e:3::3e",
+      "kavlan-16": "2001:660:4406:590:3::3e",
+      "kavlan-18": "2001:660:4406:592:3::3e",
+      "kavlan-2": "2001:660:4406:582:3::3e",
+      "kavlan-20": "2001:660:4406:594:3::3e",
+      "kavlan-21": "2001:660:4406:595:3::3e",
+      "kavlan-3": "2001:660:4406:583:3::3e",
+      "kavlan-4": "2001:660:4406:584:3::3e",
+      "kavlan-5": "2001:660:4406:585:3::3e",
+      "kavlan-6": "2001:660:4406:586:3::3e",
+      "kavlan-7": "2001:660:4406:587:3::3e",
+      "kavlan-8": "2001:660:4406:588:3::3e",
+      "kavlan-9": "2001:660:4406:589:3::3e"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::3e",
+      "kavlan-11": "2001:660:4406:58b:3:1::3e",
+      "kavlan-12": "2001:660:4406:58c:3:1::3e",
+      "kavlan-13": "2001:660:4406:58d:3:1::3e",
+      "kavlan-14": "2001:660:4406:58e:3:1::3e",
+      "kavlan-16": "2001:660:4406:590:3:1::3e",
+      "kavlan-18": "2001:660:4406:592:3:1::3e",
+      "kavlan-2": "2001:660:4406:582:3:1::3e",
+      "kavlan-20": "2001:660:4406:594:3:1::3e",
+      "kavlan-21": "2001:660:4406:595:3:1::3e",
+      "kavlan-3": "2001:660:4406:583:3:1::3e",
+      "kavlan-4": "2001:660:4406:584:3:1::3e",
+      "kavlan-5": "2001:660:4406:585:3:1::3e",
+      "kavlan-6": "2001:660:4406:586:3:1::3e",
+      "kavlan-7": "2001:660:4406:587:3:1::3e",
+      "kavlan-8": "2001:660:4406:588:3:1::3e",
+      "kavlan-9": "2001:660:4406:589:3:1::3e"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::3e",
       "kavlan": true,
       "mac": "98:03:9b:b0:98:03",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-63.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-63.json
index d739f28d3d27b6f6c26f7164454fa0f8d2d0da9e..22bbef31eedc2f9a1db594796af1fe8f19d40019 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-63.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-63.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.63"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::3f",
+      "kavlan-11": "2001:660:4406:58b:3::3f",
+      "kavlan-12": "2001:660:4406:58c:3::3f",
+      "kavlan-13": "2001:660:4406:58d:3::3f",
+      "kavlan-14": "2001:660:4406:58e:3::3f",
+      "kavlan-16": "2001:660:4406:590:3::3f",
+      "kavlan-18": "2001:660:4406:592:3::3f",
+      "kavlan-2": "2001:660:4406:582:3::3f",
+      "kavlan-20": "2001:660:4406:594:3::3f",
+      "kavlan-21": "2001:660:4406:595:3::3f",
+      "kavlan-3": "2001:660:4406:583:3::3f",
+      "kavlan-4": "2001:660:4406:584:3::3f",
+      "kavlan-5": "2001:660:4406:585:3::3f",
+      "kavlan-6": "2001:660:4406:586:3::3f",
+      "kavlan-7": "2001:660:4406:587:3::3f",
+      "kavlan-8": "2001:660:4406:588:3::3f",
+      "kavlan-9": "2001:660:4406:589:3::3f"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::3f",
+      "kavlan-11": "2001:660:4406:58b:3:1::3f",
+      "kavlan-12": "2001:660:4406:58c:3:1::3f",
+      "kavlan-13": "2001:660:4406:58d:3:1::3f",
+      "kavlan-14": "2001:660:4406:58e:3:1::3f",
+      "kavlan-16": "2001:660:4406:590:3:1::3f",
+      "kavlan-18": "2001:660:4406:592:3:1::3f",
+      "kavlan-2": "2001:660:4406:582:3:1::3f",
+      "kavlan-20": "2001:660:4406:594:3:1::3f",
+      "kavlan-21": "2001:660:4406:595:3:1::3f",
+      "kavlan-3": "2001:660:4406:583:3:1::3f",
+      "kavlan-4": "2001:660:4406:584:3:1::3f",
+      "kavlan-5": "2001:660:4406:585:3:1::3f",
+      "kavlan-6": "2001:660:4406:586:3:1::3f",
+      "kavlan-7": "2001:660:4406:587:3:1::3f",
+      "kavlan-8": "2001:660:4406:588:3:1::3f",
+      "kavlan-9": "2001:660:4406:589:3:1::3f"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::3f",
       "kavlan": true,
       "mac": "98:03:9b:b0:a7:67",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-64.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-64.json
index 3b16d7f7451b580a50cda7cac42cc688bbccd305..50bec759ddc75bb979d8fce31ab2b18300f055c3 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-64.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-64.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.64"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::40",
+      "kavlan-11": "2001:660:4406:58b:3::40",
+      "kavlan-12": "2001:660:4406:58c:3::40",
+      "kavlan-13": "2001:660:4406:58d:3::40",
+      "kavlan-14": "2001:660:4406:58e:3::40",
+      "kavlan-16": "2001:660:4406:590:3::40",
+      "kavlan-18": "2001:660:4406:592:3::40",
+      "kavlan-2": "2001:660:4406:582:3::40",
+      "kavlan-20": "2001:660:4406:594:3::40",
+      "kavlan-21": "2001:660:4406:595:3::40",
+      "kavlan-3": "2001:660:4406:583:3::40",
+      "kavlan-4": "2001:660:4406:584:3::40",
+      "kavlan-5": "2001:660:4406:585:3::40",
+      "kavlan-6": "2001:660:4406:586:3::40",
+      "kavlan-7": "2001:660:4406:587:3::40",
+      "kavlan-8": "2001:660:4406:588:3::40",
+      "kavlan-9": "2001:660:4406:589:3::40"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::40",
+      "kavlan-11": "2001:660:4406:58b:3:1::40",
+      "kavlan-12": "2001:660:4406:58c:3:1::40",
+      "kavlan-13": "2001:660:4406:58d:3:1::40",
+      "kavlan-14": "2001:660:4406:58e:3:1::40",
+      "kavlan-16": "2001:660:4406:590:3:1::40",
+      "kavlan-18": "2001:660:4406:592:3:1::40",
+      "kavlan-2": "2001:660:4406:582:3:1::40",
+      "kavlan-20": "2001:660:4406:594:3:1::40",
+      "kavlan-21": "2001:660:4406:595:3:1::40",
+      "kavlan-3": "2001:660:4406:583:3:1::40",
+      "kavlan-4": "2001:660:4406:584:3:1::40",
+      "kavlan-5": "2001:660:4406:585:3:1::40",
+      "kavlan-6": "2001:660:4406:586:3:1::40",
+      "kavlan-7": "2001:660:4406:587:3:1::40",
+      "kavlan-8": "2001:660:4406:588:3:1::40",
+      "kavlan-9": "2001:660:4406:589:3:1::40"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::40",
       "kavlan": true,
       "mac": "98:03:9b:b0:bb:87",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-65.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-65.json
index 2cc91a7ad03fcc522a21e0dbedd553a3bf8e3297..0e7a3705ea1f0674d05b66330897e32e1cd3640d 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-65.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-65.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.65"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::41",
+      "kavlan-11": "2001:660:4406:58b:3::41",
+      "kavlan-12": "2001:660:4406:58c:3::41",
+      "kavlan-13": "2001:660:4406:58d:3::41",
+      "kavlan-14": "2001:660:4406:58e:3::41",
+      "kavlan-16": "2001:660:4406:590:3::41",
+      "kavlan-18": "2001:660:4406:592:3::41",
+      "kavlan-2": "2001:660:4406:582:3::41",
+      "kavlan-20": "2001:660:4406:594:3::41",
+      "kavlan-21": "2001:660:4406:595:3::41",
+      "kavlan-3": "2001:660:4406:583:3::41",
+      "kavlan-4": "2001:660:4406:584:3::41",
+      "kavlan-5": "2001:660:4406:585:3::41",
+      "kavlan-6": "2001:660:4406:586:3::41",
+      "kavlan-7": "2001:660:4406:587:3::41",
+      "kavlan-8": "2001:660:4406:588:3::41",
+      "kavlan-9": "2001:660:4406:589:3::41"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::41",
+      "kavlan-11": "2001:660:4406:58b:3:1::41",
+      "kavlan-12": "2001:660:4406:58c:3:1::41",
+      "kavlan-13": "2001:660:4406:58d:3:1::41",
+      "kavlan-14": "2001:660:4406:58e:3:1::41",
+      "kavlan-16": "2001:660:4406:590:3:1::41",
+      "kavlan-18": "2001:660:4406:592:3:1::41",
+      "kavlan-2": "2001:660:4406:582:3:1::41",
+      "kavlan-20": "2001:660:4406:594:3:1::41",
+      "kavlan-21": "2001:660:4406:595:3:1::41",
+      "kavlan-3": "2001:660:4406:583:3:1::41",
+      "kavlan-4": "2001:660:4406:584:3:1::41",
+      "kavlan-5": "2001:660:4406:585:3:1::41",
+      "kavlan-6": "2001:660:4406:586:3:1::41",
+      "kavlan-7": "2001:660:4406:587:3:1::41",
+      "kavlan-8": "2001:660:4406:588:3:1::41",
+      "kavlan-9": "2001:660:4406:589:3:1::41"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::41",
       "kavlan": true,
       "mac": "98:03:9b:b0:b5:df",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-66.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-66.json
index 9daf2048e317b97c64879ca5897da14142c02bb5..719dc859eb58f7695f67289cef5e2221c2c24227 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-66.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-66.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.66"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::42",
+      "kavlan-11": "2001:660:4406:58b:3::42",
+      "kavlan-12": "2001:660:4406:58c:3::42",
+      "kavlan-13": "2001:660:4406:58d:3::42",
+      "kavlan-14": "2001:660:4406:58e:3::42",
+      "kavlan-16": "2001:660:4406:590:3::42",
+      "kavlan-18": "2001:660:4406:592:3::42",
+      "kavlan-2": "2001:660:4406:582:3::42",
+      "kavlan-20": "2001:660:4406:594:3::42",
+      "kavlan-21": "2001:660:4406:595:3::42",
+      "kavlan-3": "2001:660:4406:583:3::42",
+      "kavlan-4": "2001:660:4406:584:3::42",
+      "kavlan-5": "2001:660:4406:585:3::42",
+      "kavlan-6": "2001:660:4406:586:3::42",
+      "kavlan-7": "2001:660:4406:587:3::42",
+      "kavlan-8": "2001:660:4406:588:3::42",
+      "kavlan-9": "2001:660:4406:589:3::42"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::42",
+      "kavlan-11": "2001:660:4406:58b:3:1::42",
+      "kavlan-12": "2001:660:4406:58c:3:1::42",
+      "kavlan-13": "2001:660:4406:58d:3:1::42",
+      "kavlan-14": "2001:660:4406:58e:3:1::42",
+      "kavlan-16": "2001:660:4406:590:3:1::42",
+      "kavlan-18": "2001:660:4406:592:3:1::42",
+      "kavlan-2": "2001:660:4406:582:3:1::42",
+      "kavlan-20": "2001:660:4406:594:3:1::42",
+      "kavlan-21": "2001:660:4406:595:3:1::42",
+      "kavlan-3": "2001:660:4406:583:3:1::42",
+      "kavlan-4": "2001:660:4406:584:3:1::42",
+      "kavlan-5": "2001:660:4406:585:3:1::42",
+      "kavlan-6": "2001:660:4406:586:3:1::42",
+      "kavlan-7": "2001:660:4406:587:3:1::42",
+      "kavlan-8": "2001:660:4406:588:3:1::42",
+      "kavlan-9": "2001:660:4406:589:3:1::42"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::42",
       "kavlan": true,
       "mac": "98:03:9b:b0:c6:1f",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-67.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-67.json
index 4da91d20b267e881e604d5bcac8299cda63e725a..3cbcb02e7c95397349d2ede42b2f02d2b92626d2 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-67.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-67.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.67"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::43",
+      "kavlan-11": "2001:660:4406:58b:3::43",
+      "kavlan-12": "2001:660:4406:58c:3::43",
+      "kavlan-13": "2001:660:4406:58d:3::43",
+      "kavlan-14": "2001:660:4406:58e:3::43",
+      "kavlan-16": "2001:660:4406:590:3::43",
+      "kavlan-18": "2001:660:4406:592:3::43",
+      "kavlan-2": "2001:660:4406:582:3::43",
+      "kavlan-20": "2001:660:4406:594:3::43",
+      "kavlan-21": "2001:660:4406:595:3::43",
+      "kavlan-3": "2001:660:4406:583:3::43",
+      "kavlan-4": "2001:660:4406:584:3::43",
+      "kavlan-5": "2001:660:4406:585:3::43",
+      "kavlan-6": "2001:660:4406:586:3::43",
+      "kavlan-7": "2001:660:4406:587:3::43",
+      "kavlan-8": "2001:660:4406:588:3::43",
+      "kavlan-9": "2001:660:4406:589:3::43"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::43",
+      "kavlan-11": "2001:660:4406:58b:3:1::43",
+      "kavlan-12": "2001:660:4406:58c:3:1::43",
+      "kavlan-13": "2001:660:4406:58d:3:1::43",
+      "kavlan-14": "2001:660:4406:58e:3:1::43",
+      "kavlan-16": "2001:660:4406:590:3:1::43",
+      "kavlan-18": "2001:660:4406:592:3:1::43",
+      "kavlan-2": "2001:660:4406:582:3:1::43",
+      "kavlan-20": "2001:660:4406:594:3:1::43",
+      "kavlan-21": "2001:660:4406:595:3:1::43",
+      "kavlan-3": "2001:660:4406:583:3:1::43",
+      "kavlan-4": "2001:660:4406:584:3:1::43",
+      "kavlan-5": "2001:660:4406:585:3:1::43",
+      "kavlan-6": "2001:660:4406:586:3:1::43",
+      "kavlan-7": "2001:660:4406:587:3:1::43",
+      "kavlan-8": "2001:660:4406:588:3:1::43",
+      "kavlan-9": "2001:660:4406:589:3:1::43"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::43",
       "kavlan": true,
       "mac": "98:03:9b:b0:c1:1f",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-68.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-68.json
index 1e9d4e66b8a2ef18d5873e448270fd1a6d04215d..2570d11a0b2994ea780a6584006efb28742f87b7 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-68.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-68.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.68"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::44",
+      "kavlan-11": "2001:660:4406:58b:3::44",
+      "kavlan-12": "2001:660:4406:58c:3::44",
+      "kavlan-13": "2001:660:4406:58d:3::44",
+      "kavlan-14": "2001:660:4406:58e:3::44",
+      "kavlan-16": "2001:660:4406:590:3::44",
+      "kavlan-18": "2001:660:4406:592:3::44",
+      "kavlan-2": "2001:660:4406:582:3::44",
+      "kavlan-20": "2001:660:4406:594:3::44",
+      "kavlan-21": "2001:660:4406:595:3::44",
+      "kavlan-3": "2001:660:4406:583:3::44",
+      "kavlan-4": "2001:660:4406:584:3::44",
+      "kavlan-5": "2001:660:4406:585:3::44",
+      "kavlan-6": "2001:660:4406:586:3::44",
+      "kavlan-7": "2001:660:4406:587:3::44",
+      "kavlan-8": "2001:660:4406:588:3::44",
+      "kavlan-9": "2001:660:4406:589:3::44"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::44",
+      "kavlan-11": "2001:660:4406:58b:3:1::44",
+      "kavlan-12": "2001:660:4406:58c:3:1::44",
+      "kavlan-13": "2001:660:4406:58d:3:1::44",
+      "kavlan-14": "2001:660:4406:58e:3:1::44",
+      "kavlan-16": "2001:660:4406:590:3:1::44",
+      "kavlan-18": "2001:660:4406:592:3:1::44",
+      "kavlan-2": "2001:660:4406:582:3:1::44",
+      "kavlan-20": "2001:660:4406:594:3:1::44",
+      "kavlan-21": "2001:660:4406:595:3:1::44",
+      "kavlan-3": "2001:660:4406:583:3:1::44",
+      "kavlan-4": "2001:660:4406:584:3:1::44",
+      "kavlan-5": "2001:660:4406:585:3:1::44",
+      "kavlan-6": "2001:660:4406:586:3:1::44",
+      "kavlan-7": "2001:660:4406:587:3:1::44",
+      "kavlan-8": "2001:660:4406:588:3:1::44",
+      "kavlan-9": "2001:660:4406:589:3:1::44"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::44",
       "kavlan": true,
       "mac": "98:03:9b:b0:bb:5f",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-69.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-69.json
index a7735750e2df2f90499b6d9014d5cde16bc67275..c3ad4e35808b110474bab1d38f5a741efd1f8599 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-69.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-69.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.69"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::45",
+      "kavlan-11": "2001:660:4406:58b:3::45",
+      "kavlan-12": "2001:660:4406:58c:3::45",
+      "kavlan-13": "2001:660:4406:58d:3::45",
+      "kavlan-14": "2001:660:4406:58e:3::45",
+      "kavlan-16": "2001:660:4406:590:3::45",
+      "kavlan-18": "2001:660:4406:592:3::45",
+      "kavlan-2": "2001:660:4406:582:3::45",
+      "kavlan-20": "2001:660:4406:594:3::45",
+      "kavlan-21": "2001:660:4406:595:3::45",
+      "kavlan-3": "2001:660:4406:583:3::45",
+      "kavlan-4": "2001:660:4406:584:3::45",
+      "kavlan-5": "2001:660:4406:585:3::45",
+      "kavlan-6": "2001:660:4406:586:3::45",
+      "kavlan-7": "2001:660:4406:587:3::45",
+      "kavlan-8": "2001:660:4406:588:3::45",
+      "kavlan-9": "2001:660:4406:589:3::45"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::45",
+      "kavlan-11": "2001:660:4406:58b:3:1::45",
+      "kavlan-12": "2001:660:4406:58c:3:1::45",
+      "kavlan-13": "2001:660:4406:58d:3:1::45",
+      "kavlan-14": "2001:660:4406:58e:3:1::45",
+      "kavlan-16": "2001:660:4406:590:3:1::45",
+      "kavlan-18": "2001:660:4406:592:3:1::45",
+      "kavlan-2": "2001:660:4406:582:3:1::45",
+      "kavlan-20": "2001:660:4406:594:3:1::45",
+      "kavlan-21": "2001:660:4406:595:3:1::45",
+      "kavlan-3": "2001:660:4406:583:3:1::45",
+      "kavlan-4": "2001:660:4406:584:3:1::45",
+      "kavlan-5": "2001:660:4406:585:3:1::45",
+      "kavlan-6": "2001:660:4406:586:3:1::45",
+      "kavlan-7": "2001:660:4406:587:3:1::45",
+      "kavlan-8": "2001:660:4406:588:3:1::45",
+      "kavlan-9": "2001:660:4406:589:3:1::45"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::45",
       "kavlan": true,
       "mac": "98:03:9b:b0:c9:a7",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-7.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-7.json
index 9e65987b7207cd0a5feee42f482a8e28b4d043b4..bb398123487696856bc8c9e21474c716f0c0ca65 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-7.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-7.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.7"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::7",
+      "kavlan-11": "2001:660:4406:58b:3::7",
+      "kavlan-12": "2001:660:4406:58c:3::7",
+      "kavlan-13": "2001:660:4406:58d:3::7",
+      "kavlan-14": "2001:660:4406:58e:3::7",
+      "kavlan-16": "2001:660:4406:590:3::7",
+      "kavlan-18": "2001:660:4406:592:3::7",
+      "kavlan-2": "2001:660:4406:582:3::7",
+      "kavlan-20": "2001:660:4406:594:3::7",
+      "kavlan-21": "2001:660:4406:595:3::7",
+      "kavlan-3": "2001:660:4406:583:3::7",
+      "kavlan-4": "2001:660:4406:584:3::7",
+      "kavlan-5": "2001:660:4406:585:3::7",
+      "kavlan-6": "2001:660:4406:586:3::7",
+      "kavlan-7": "2001:660:4406:587:3::7",
+      "kavlan-8": "2001:660:4406:588:3::7",
+      "kavlan-9": "2001:660:4406:589:3::7"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::7",
+      "kavlan-11": "2001:660:4406:58b:3:1::7",
+      "kavlan-12": "2001:660:4406:58c:3:1::7",
+      "kavlan-13": "2001:660:4406:58d:3:1::7",
+      "kavlan-14": "2001:660:4406:58e:3:1::7",
+      "kavlan-16": "2001:660:4406:590:3:1::7",
+      "kavlan-18": "2001:660:4406:592:3:1::7",
+      "kavlan-2": "2001:660:4406:582:3:1::7",
+      "kavlan-20": "2001:660:4406:594:3:1::7",
+      "kavlan-21": "2001:660:4406:595:3:1::7",
+      "kavlan-3": "2001:660:4406:583:3:1::7",
+      "kavlan-4": "2001:660:4406:584:3:1::7",
+      "kavlan-5": "2001:660:4406:585:3:1::7",
+      "kavlan-6": "2001:660:4406:586:3:1::7",
+      "kavlan-7": "2001:660:4406:587:3:1::7",
+      "kavlan-8": "2001:660:4406:588:3:1::7",
+      "kavlan-9": "2001:660:4406:589:3:1::7"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::7",
       "kavlan": true,
       "mac": "98:03:9b:b0:bf:ff",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-70.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-70.json
index ab2edda53e3839fc5d254f79f0be3873202f5264..5446a9f5f1eb238e38c1232e1c6f4a9802eebc0b 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-70.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-70.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.70"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::46",
+      "kavlan-11": "2001:660:4406:58b:3::46",
+      "kavlan-12": "2001:660:4406:58c:3::46",
+      "kavlan-13": "2001:660:4406:58d:3::46",
+      "kavlan-14": "2001:660:4406:58e:3::46",
+      "kavlan-16": "2001:660:4406:590:3::46",
+      "kavlan-18": "2001:660:4406:592:3::46",
+      "kavlan-2": "2001:660:4406:582:3::46",
+      "kavlan-20": "2001:660:4406:594:3::46",
+      "kavlan-21": "2001:660:4406:595:3::46",
+      "kavlan-3": "2001:660:4406:583:3::46",
+      "kavlan-4": "2001:660:4406:584:3::46",
+      "kavlan-5": "2001:660:4406:585:3::46",
+      "kavlan-6": "2001:660:4406:586:3::46",
+      "kavlan-7": "2001:660:4406:587:3::46",
+      "kavlan-8": "2001:660:4406:588:3::46",
+      "kavlan-9": "2001:660:4406:589:3::46"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::46",
+      "kavlan-11": "2001:660:4406:58b:3:1::46",
+      "kavlan-12": "2001:660:4406:58c:3:1::46",
+      "kavlan-13": "2001:660:4406:58d:3:1::46",
+      "kavlan-14": "2001:660:4406:58e:3:1::46",
+      "kavlan-16": "2001:660:4406:590:3:1::46",
+      "kavlan-18": "2001:660:4406:592:3:1::46",
+      "kavlan-2": "2001:660:4406:582:3:1::46",
+      "kavlan-20": "2001:660:4406:594:3:1::46",
+      "kavlan-21": "2001:660:4406:595:3:1::46",
+      "kavlan-3": "2001:660:4406:583:3:1::46",
+      "kavlan-4": "2001:660:4406:584:3:1::46",
+      "kavlan-5": "2001:660:4406:585:3:1::46",
+      "kavlan-6": "2001:660:4406:586:3:1::46",
+      "kavlan-7": "2001:660:4406:587:3:1::46",
+      "kavlan-8": "2001:660:4406:588:3:1::46",
+      "kavlan-9": "2001:660:4406:589:3:1::46"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::46",
       "kavlan": true,
       "mac": "98:03:9b:b0:ca:7f",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-71.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-71.json
index 76c269bf4b7ebf0772ad8e00ad9041fbcbe1060e..cc215c1643369f7a1a489935d6cc2af28eb2c1fa 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-71.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-71.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.71"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::47",
+      "kavlan-11": "2001:660:4406:58b:3::47",
+      "kavlan-12": "2001:660:4406:58c:3::47",
+      "kavlan-13": "2001:660:4406:58d:3::47",
+      "kavlan-14": "2001:660:4406:58e:3::47",
+      "kavlan-16": "2001:660:4406:590:3::47",
+      "kavlan-18": "2001:660:4406:592:3::47",
+      "kavlan-2": "2001:660:4406:582:3::47",
+      "kavlan-20": "2001:660:4406:594:3::47",
+      "kavlan-21": "2001:660:4406:595:3::47",
+      "kavlan-3": "2001:660:4406:583:3::47",
+      "kavlan-4": "2001:660:4406:584:3::47",
+      "kavlan-5": "2001:660:4406:585:3::47",
+      "kavlan-6": "2001:660:4406:586:3::47",
+      "kavlan-7": "2001:660:4406:587:3::47",
+      "kavlan-8": "2001:660:4406:588:3::47",
+      "kavlan-9": "2001:660:4406:589:3::47"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::47",
+      "kavlan-11": "2001:660:4406:58b:3:1::47",
+      "kavlan-12": "2001:660:4406:58c:3:1::47",
+      "kavlan-13": "2001:660:4406:58d:3:1::47",
+      "kavlan-14": "2001:660:4406:58e:3:1::47",
+      "kavlan-16": "2001:660:4406:590:3:1::47",
+      "kavlan-18": "2001:660:4406:592:3:1::47",
+      "kavlan-2": "2001:660:4406:582:3:1::47",
+      "kavlan-20": "2001:660:4406:594:3:1::47",
+      "kavlan-21": "2001:660:4406:595:3:1::47",
+      "kavlan-3": "2001:660:4406:583:3:1::47",
+      "kavlan-4": "2001:660:4406:584:3:1::47",
+      "kavlan-5": "2001:660:4406:585:3:1::47",
+      "kavlan-6": "2001:660:4406:586:3:1::47",
+      "kavlan-7": "2001:660:4406:587:3:1::47",
+      "kavlan-8": "2001:660:4406:588:3:1::47",
+      "kavlan-9": "2001:660:4406:589:3:1::47"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::47",
       "kavlan": true,
       "mac": "98:03:9b:b0:98:0b",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-72.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-72.json
index 193c4c79d95714bd7db88794085d198300a94104..1a0061c2b94be1f984c206ddb8b64b1059b3e7a7 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-72.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-72.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.72"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::48",
+      "kavlan-11": "2001:660:4406:58b:3::48",
+      "kavlan-12": "2001:660:4406:58c:3::48",
+      "kavlan-13": "2001:660:4406:58d:3::48",
+      "kavlan-14": "2001:660:4406:58e:3::48",
+      "kavlan-16": "2001:660:4406:590:3::48",
+      "kavlan-18": "2001:660:4406:592:3::48",
+      "kavlan-2": "2001:660:4406:582:3::48",
+      "kavlan-20": "2001:660:4406:594:3::48",
+      "kavlan-21": "2001:660:4406:595:3::48",
+      "kavlan-3": "2001:660:4406:583:3::48",
+      "kavlan-4": "2001:660:4406:584:3::48",
+      "kavlan-5": "2001:660:4406:585:3::48",
+      "kavlan-6": "2001:660:4406:586:3::48",
+      "kavlan-7": "2001:660:4406:587:3::48",
+      "kavlan-8": "2001:660:4406:588:3::48",
+      "kavlan-9": "2001:660:4406:589:3::48"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::48",
+      "kavlan-11": "2001:660:4406:58b:3:1::48",
+      "kavlan-12": "2001:660:4406:58c:3:1::48",
+      "kavlan-13": "2001:660:4406:58d:3:1::48",
+      "kavlan-14": "2001:660:4406:58e:3:1::48",
+      "kavlan-16": "2001:660:4406:590:3:1::48",
+      "kavlan-18": "2001:660:4406:592:3:1::48",
+      "kavlan-2": "2001:660:4406:582:3:1::48",
+      "kavlan-20": "2001:660:4406:594:3:1::48",
+      "kavlan-21": "2001:660:4406:595:3:1::48",
+      "kavlan-3": "2001:660:4406:583:3:1::48",
+      "kavlan-4": "2001:660:4406:584:3:1::48",
+      "kavlan-5": "2001:660:4406:585:3:1::48",
+      "kavlan-6": "2001:660:4406:586:3:1::48",
+      "kavlan-7": "2001:660:4406:587:3:1::48",
+      "kavlan-8": "2001:660:4406:588:3:1::48",
+      "kavlan-9": "2001:660:4406:589:3:1::48"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::48",
       "kavlan": true,
       "mac": "98:03:9b:b0:bf:7f",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-73.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-73.json
index 04a8b73cad099f7439bcaa08be0cbfe513597d76..157e92e5abc7116d90bd1e828f8b4833e15ede98 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-73.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-73.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.73"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::49",
+      "kavlan-11": "2001:660:4406:58b:3::49",
+      "kavlan-12": "2001:660:4406:58c:3::49",
+      "kavlan-13": "2001:660:4406:58d:3::49",
+      "kavlan-14": "2001:660:4406:58e:3::49",
+      "kavlan-16": "2001:660:4406:590:3::49",
+      "kavlan-18": "2001:660:4406:592:3::49",
+      "kavlan-2": "2001:660:4406:582:3::49",
+      "kavlan-20": "2001:660:4406:594:3::49",
+      "kavlan-21": "2001:660:4406:595:3::49",
+      "kavlan-3": "2001:660:4406:583:3::49",
+      "kavlan-4": "2001:660:4406:584:3::49",
+      "kavlan-5": "2001:660:4406:585:3::49",
+      "kavlan-6": "2001:660:4406:586:3::49",
+      "kavlan-7": "2001:660:4406:587:3::49",
+      "kavlan-8": "2001:660:4406:588:3::49",
+      "kavlan-9": "2001:660:4406:589:3::49"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::49",
+      "kavlan-11": "2001:660:4406:58b:3:1::49",
+      "kavlan-12": "2001:660:4406:58c:3:1::49",
+      "kavlan-13": "2001:660:4406:58d:3:1::49",
+      "kavlan-14": "2001:660:4406:58e:3:1::49",
+      "kavlan-16": "2001:660:4406:590:3:1::49",
+      "kavlan-18": "2001:660:4406:592:3:1::49",
+      "kavlan-2": "2001:660:4406:582:3:1::49",
+      "kavlan-20": "2001:660:4406:594:3:1::49",
+      "kavlan-21": "2001:660:4406:595:3:1::49",
+      "kavlan-3": "2001:660:4406:583:3:1::49",
+      "kavlan-4": "2001:660:4406:584:3:1::49",
+      "kavlan-5": "2001:660:4406:585:3:1::49",
+      "kavlan-6": "2001:660:4406:586:3:1::49",
+      "kavlan-7": "2001:660:4406:587:3:1::49",
+      "kavlan-8": "2001:660:4406:588:3:1::49",
+      "kavlan-9": "2001:660:4406:589:3:1::49"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::49",
       "kavlan": true,
       "mac": "98:03:9b:b0:97:6b",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-74.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-74.json
index a34ccc55ac182921fde045fca003f43b387efc91..5fef12043035c2b58a96f2edc9f0ca604b8a4cec 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-74.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-74.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.74"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::4a",
+      "kavlan-11": "2001:660:4406:58b:3::4a",
+      "kavlan-12": "2001:660:4406:58c:3::4a",
+      "kavlan-13": "2001:660:4406:58d:3::4a",
+      "kavlan-14": "2001:660:4406:58e:3::4a",
+      "kavlan-16": "2001:660:4406:590:3::4a",
+      "kavlan-18": "2001:660:4406:592:3::4a",
+      "kavlan-2": "2001:660:4406:582:3::4a",
+      "kavlan-20": "2001:660:4406:594:3::4a",
+      "kavlan-21": "2001:660:4406:595:3::4a",
+      "kavlan-3": "2001:660:4406:583:3::4a",
+      "kavlan-4": "2001:660:4406:584:3::4a",
+      "kavlan-5": "2001:660:4406:585:3::4a",
+      "kavlan-6": "2001:660:4406:586:3::4a",
+      "kavlan-7": "2001:660:4406:587:3::4a",
+      "kavlan-8": "2001:660:4406:588:3::4a",
+      "kavlan-9": "2001:660:4406:589:3::4a"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::4a",
+      "kavlan-11": "2001:660:4406:58b:3:1::4a",
+      "kavlan-12": "2001:660:4406:58c:3:1::4a",
+      "kavlan-13": "2001:660:4406:58d:3:1::4a",
+      "kavlan-14": "2001:660:4406:58e:3:1::4a",
+      "kavlan-16": "2001:660:4406:590:3:1::4a",
+      "kavlan-18": "2001:660:4406:592:3:1::4a",
+      "kavlan-2": "2001:660:4406:582:3:1::4a",
+      "kavlan-20": "2001:660:4406:594:3:1::4a",
+      "kavlan-21": "2001:660:4406:595:3:1::4a",
+      "kavlan-3": "2001:660:4406:583:3:1::4a",
+      "kavlan-4": "2001:660:4406:584:3:1::4a",
+      "kavlan-5": "2001:660:4406:585:3:1::4a",
+      "kavlan-6": "2001:660:4406:586:3:1::4a",
+      "kavlan-7": "2001:660:4406:587:3:1::4a",
+      "kavlan-8": "2001:660:4406:588:3:1::4a",
+      "kavlan-9": "2001:660:4406:589:3:1::4a"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::4a",
       "kavlan": true,
       "mac": "98:03:9b:b0:c0:a7",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-75.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-75.json
index 41de89171224b122f19cc606e8f599c8c88fd36d..d5b193ac9d7fe8605fdd667d2ad24c3c4cec4e6b 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-75.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-75.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.75"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::4b",
+      "kavlan-11": "2001:660:4406:58b:3::4b",
+      "kavlan-12": "2001:660:4406:58c:3::4b",
+      "kavlan-13": "2001:660:4406:58d:3::4b",
+      "kavlan-14": "2001:660:4406:58e:3::4b",
+      "kavlan-16": "2001:660:4406:590:3::4b",
+      "kavlan-18": "2001:660:4406:592:3::4b",
+      "kavlan-2": "2001:660:4406:582:3::4b",
+      "kavlan-20": "2001:660:4406:594:3::4b",
+      "kavlan-21": "2001:660:4406:595:3::4b",
+      "kavlan-3": "2001:660:4406:583:3::4b",
+      "kavlan-4": "2001:660:4406:584:3::4b",
+      "kavlan-5": "2001:660:4406:585:3::4b",
+      "kavlan-6": "2001:660:4406:586:3::4b",
+      "kavlan-7": "2001:660:4406:587:3::4b",
+      "kavlan-8": "2001:660:4406:588:3::4b",
+      "kavlan-9": "2001:660:4406:589:3::4b"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::4b",
+      "kavlan-11": "2001:660:4406:58b:3:1::4b",
+      "kavlan-12": "2001:660:4406:58c:3:1::4b",
+      "kavlan-13": "2001:660:4406:58d:3:1::4b",
+      "kavlan-14": "2001:660:4406:58e:3:1::4b",
+      "kavlan-16": "2001:660:4406:590:3:1::4b",
+      "kavlan-18": "2001:660:4406:592:3:1::4b",
+      "kavlan-2": "2001:660:4406:582:3:1::4b",
+      "kavlan-20": "2001:660:4406:594:3:1::4b",
+      "kavlan-21": "2001:660:4406:595:3:1::4b",
+      "kavlan-3": "2001:660:4406:583:3:1::4b",
+      "kavlan-4": "2001:660:4406:584:3:1::4b",
+      "kavlan-5": "2001:660:4406:585:3:1::4b",
+      "kavlan-6": "2001:660:4406:586:3:1::4b",
+      "kavlan-7": "2001:660:4406:587:3:1::4b",
+      "kavlan-8": "2001:660:4406:588:3:1::4b",
+      "kavlan-9": "2001:660:4406:589:3:1::4b"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::4b",
       "kavlan": true,
       "mac": "98:03:9b:b0:c1:27",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-76.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-76.json
index 63d7d53bdd516ed23ee25fafc7de43ebc22ae786..c698f05544daa9c237cc3fe927cc971b687cc546 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-76.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-76.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.76"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::4c",
+      "kavlan-11": "2001:660:4406:58b:3::4c",
+      "kavlan-12": "2001:660:4406:58c:3::4c",
+      "kavlan-13": "2001:660:4406:58d:3::4c",
+      "kavlan-14": "2001:660:4406:58e:3::4c",
+      "kavlan-16": "2001:660:4406:590:3::4c",
+      "kavlan-18": "2001:660:4406:592:3::4c",
+      "kavlan-2": "2001:660:4406:582:3::4c",
+      "kavlan-20": "2001:660:4406:594:3::4c",
+      "kavlan-21": "2001:660:4406:595:3::4c",
+      "kavlan-3": "2001:660:4406:583:3::4c",
+      "kavlan-4": "2001:660:4406:584:3::4c",
+      "kavlan-5": "2001:660:4406:585:3::4c",
+      "kavlan-6": "2001:660:4406:586:3::4c",
+      "kavlan-7": "2001:660:4406:587:3::4c",
+      "kavlan-8": "2001:660:4406:588:3::4c",
+      "kavlan-9": "2001:660:4406:589:3::4c"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::4c",
+      "kavlan-11": "2001:660:4406:58b:3:1::4c",
+      "kavlan-12": "2001:660:4406:58c:3:1::4c",
+      "kavlan-13": "2001:660:4406:58d:3:1::4c",
+      "kavlan-14": "2001:660:4406:58e:3:1::4c",
+      "kavlan-16": "2001:660:4406:590:3:1::4c",
+      "kavlan-18": "2001:660:4406:592:3:1::4c",
+      "kavlan-2": "2001:660:4406:582:3:1::4c",
+      "kavlan-20": "2001:660:4406:594:3:1::4c",
+      "kavlan-21": "2001:660:4406:595:3:1::4c",
+      "kavlan-3": "2001:660:4406:583:3:1::4c",
+      "kavlan-4": "2001:660:4406:584:3:1::4c",
+      "kavlan-5": "2001:660:4406:585:3:1::4c",
+      "kavlan-6": "2001:660:4406:586:3:1::4c",
+      "kavlan-7": "2001:660:4406:587:3:1::4c",
+      "kavlan-8": "2001:660:4406:588:3:1::4c",
+      "kavlan-9": "2001:660:4406:589:3:1::4c"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::4c",
       "kavlan": true,
       "mac": "98:03:9b:b0:63:83",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-77.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-77.json
index 8a6e63e26bb14eb537bedc946fdac18e30f558c5..3dd595bd9284c808ab977e8544737276a9c0747c 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-77.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-77.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.77"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::4d",
+      "kavlan-11": "2001:660:4406:58b:3::4d",
+      "kavlan-12": "2001:660:4406:58c:3::4d",
+      "kavlan-13": "2001:660:4406:58d:3::4d",
+      "kavlan-14": "2001:660:4406:58e:3::4d",
+      "kavlan-16": "2001:660:4406:590:3::4d",
+      "kavlan-18": "2001:660:4406:592:3::4d",
+      "kavlan-2": "2001:660:4406:582:3::4d",
+      "kavlan-20": "2001:660:4406:594:3::4d",
+      "kavlan-21": "2001:660:4406:595:3::4d",
+      "kavlan-3": "2001:660:4406:583:3::4d",
+      "kavlan-4": "2001:660:4406:584:3::4d",
+      "kavlan-5": "2001:660:4406:585:3::4d",
+      "kavlan-6": "2001:660:4406:586:3::4d",
+      "kavlan-7": "2001:660:4406:587:3::4d",
+      "kavlan-8": "2001:660:4406:588:3::4d",
+      "kavlan-9": "2001:660:4406:589:3::4d"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::4d",
+      "kavlan-11": "2001:660:4406:58b:3:1::4d",
+      "kavlan-12": "2001:660:4406:58c:3:1::4d",
+      "kavlan-13": "2001:660:4406:58d:3:1::4d",
+      "kavlan-14": "2001:660:4406:58e:3:1::4d",
+      "kavlan-16": "2001:660:4406:590:3:1::4d",
+      "kavlan-18": "2001:660:4406:592:3:1::4d",
+      "kavlan-2": "2001:660:4406:582:3:1::4d",
+      "kavlan-20": "2001:660:4406:594:3:1::4d",
+      "kavlan-21": "2001:660:4406:595:3:1::4d",
+      "kavlan-3": "2001:660:4406:583:3:1::4d",
+      "kavlan-4": "2001:660:4406:584:3:1::4d",
+      "kavlan-5": "2001:660:4406:585:3:1::4d",
+      "kavlan-6": "2001:660:4406:586:3:1::4d",
+      "kavlan-7": "2001:660:4406:587:3:1::4d",
+      "kavlan-8": "2001:660:4406:588:3:1::4d",
+      "kavlan-9": "2001:660:4406:589:3:1::4d"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::4d",
       "kavlan": true,
       "mac": "98:03:9b:b0:a9:67",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-78.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-78.json
index e986964b065b99933ec4da0a900ee787c72ff951..9680c5c2e591e82f206c54dfc42ebb8ea5fc3eea 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-78.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-78.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.78"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::4e",
+      "kavlan-11": "2001:660:4406:58b:3::4e",
+      "kavlan-12": "2001:660:4406:58c:3::4e",
+      "kavlan-13": "2001:660:4406:58d:3::4e",
+      "kavlan-14": "2001:660:4406:58e:3::4e",
+      "kavlan-16": "2001:660:4406:590:3::4e",
+      "kavlan-18": "2001:660:4406:592:3::4e",
+      "kavlan-2": "2001:660:4406:582:3::4e",
+      "kavlan-20": "2001:660:4406:594:3::4e",
+      "kavlan-21": "2001:660:4406:595:3::4e",
+      "kavlan-3": "2001:660:4406:583:3::4e",
+      "kavlan-4": "2001:660:4406:584:3::4e",
+      "kavlan-5": "2001:660:4406:585:3::4e",
+      "kavlan-6": "2001:660:4406:586:3::4e",
+      "kavlan-7": "2001:660:4406:587:3::4e",
+      "kavlan-8": "2001:660:4406:588:3::4e",
+      "kavlan-9": "2001:660:4406:589:3::4e"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::4e",
+      "kavlan-11": "2001:660:4406:58b:3:1::4e",
+      "kavlan-12": "2001:660:4406:58c:3:1::4e",
+      "kavlan-13": "2001:660:4406:58d:3:1::4e",
+      "kavlan-14": "2001:660:4406:58e:3:1::4e",
+      "kavlan-16": "2001:660:4406:590:3:1::4e",
+      "kavlan-18": "2001:660:4406:592:3:1::4e",
+      "kavlan-2": "2001:660:4406:582:3:1::4e",
+      "kavlan-20": "2001:660:4406:594:3:1::4e",
+      "kavlan-21": "2001:660:4406:595:3:1::4e",
+      "kavlan-3": "2001:660:4406:583:3:1::4e",
+      "kavlan-4": "2001:660:4406:584:3:1::4e",
+      "kavlan-5": "2001:660:4406:585:3:1::4e",
+      "kavlan-6": "2001:660:4406:586:3:1::4e",
+      "kavlan-7": "2001:660:4406:587:3:1::4e",
+      "kavlan-8": "2001:660:4406:588:3:1::4e",
+      "kavlan-9": "2001:660:4406:589:3:1::4e"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::4e",
       "kavlan": true,
       "mac": "98:03:9b:b0:bb:4f",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-79.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-79.json
index 15b3d3facac048f49614aea4bfdbfb67e5ad6bc4..652cd717095a317fe08ccc63c86f096e20ddae3d 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-79.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-79.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.79"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::4f",
+      "kavlan-11": "2001:660:4406:58b:3::4f",
+      "kavlan-12": "2001:660:4406:58c:3::4f",
+      "kavlan-13": "2001:660:4406:58d:3::4f",
+      "kavlan-14": "2001:660:4406:58e:3::4f",
+      "kavlan-16": "2001:660:4406:590:3::4f",
+      "kavlan-18": "2001:660:4406:592:3::4f",
+      "kavlan-2": "2001:660:4406:582:3::4f",
+      "kavlan-20": "2001:660:4406:594:3::4f",
+      "kavlan-21": "2001:660:4406:595:3::4f",
+      "kavlan-3": "2001:660:4406:583:3::4f",
+      "kavlan-4": "2001:660:4406:584:3::4f",
+      "kavlan-5": "2001:660:4406:585:3::4f",
+      "kavlan-6": "2001:660:4406:586:3::4f",
+      "kavlan-7": "2001:660:4406:587:3::4f",
+      "kavlan-8": "2001:660:4406:588:3::4f",
+      "kavlan-9": "2001:660:4406:589:3::4f"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::4f",
+      "kavlan-11": "2001:660:4406:58b:3:1::4f",
+      "kavlan-12": "2001:660:4406:58c:3:1::4f",
+      "kavlan-13": "2001:660:4406:58d:3:1::4f",
+      "kavlan-14": "2001:660:4406:58e:3:1::4f",
+      "kavlan-16": "2001:660:4406:590:3:1::4f",
+      "kavlan-18": "2001:660:4406:592:3:1::4f",
+      "kavlan-2": "2001:660:4406:582:3:1::4f",
+      "kavlan-20": "2001:660:4406:594:3:1::4f",
+      "kavlan-21": "2001:660:4406:595:3:1::4f",
+      "kavlan-3": "2001:660:4406:583:3:1::4f",
+      "kavlan-4": "2001:660:4406:584:3:1::4f",
+      "kavlan-5": "2001:660:4406:585:3:1::4f",
+      "kavlan-6": "2001:660:4406:586:3:1::4f",
+      "kavlan-7": "2001:660:4406:587:3:1::4f",
+      "kavlan-8": "2001:660:4406:588:3:1::4f",
+      "kavlan-9": "2001:660:4406:589:3:1::4f"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::4f",
       "kavlan": true,
       "mac": "98:03:9b:b0:be:df",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-8.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-8.json
index 9557c432b8cac0f80d2c8d381a9f21b72a3fbbd2..66bee5b241e42ff42a53c20aa68d8a0f1dbcbc9b 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-8.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-8.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.8"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::8",
+      "kavlan-11": "2001:660:4406:58b:3::8",
+      "kavlan-12": "2001:660:4406:58c:3::8",
+      "kavlan-13": "2001:660:4406:58d:3::8",
+      "kavlan-14": "2001:660:4406:58e:3::8",
+      "kavlan-16": "2001:660:4406:590:3::8",
+      "kavlan-18": "2001:660:4406:592:3::8",
+      "kavlan-2": "2001:660:4406:582:3::8",
+      "kavlan-20": "2001:660:4406:594:3::8",
+      "kavlan-21": "2001:660:4406:595:3::8",
+      "kavlan-3": "2001:660:4406:583:3::8",
+      "kavlan-4": "2001:660:4406:584:3::8",
+      "kavlan-5": "2001:660:4406:585:3::8",
+      "kavlan-6": "2001:660:4406:586:3::8",
+      "kavlan-7": "2001:660:4406:587:3::8",
+      "kavlan-8": "2001:660:4406:588:3::8",
+      "kavlan-9": "2001:660:4406:589:3::8"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::8",
+      "kavlan-11": "2001:660:4406:58b:3:1::8",
+      "kavlan-12": "2001:660:4406:58c:3:1::8",
+      "kavlan-13": "2001:660:4406:58d:3:1::8",
+      "kavlan-14": "2001:660:4406:58e:3:1::8",
+      "kavlan-16": "2001:660:4406:590:3:1::8",
+      "kavlan-18": "2001:660:4406:592:3:1::8",
+      "kavlan-2": "2001:660:4406:582:3:1::8",
+      "kavlan-20": "2001:660:4406:594:3:1::8",
+      "kavlan-21": "2001:660:4406:595:3:1::8",
+      "kavlan-3": "2001:660:4406:583:3:1::8",
+      "kavlan-4": "2001:660:4406:584:3:1::8",
+      "kavlan-5": "2001:660:4406:585:3:1::8",
+      "kavlan-6": "2001:660:4406:586:3:1::8",
+      "kavlan-7": "2001:660:4406:587:3:1::8",
+      "kavlan-8": "2001:660:4406:588:3:1::8",
+      "kavlan-9": "2001:660:4406:589:3:1::8"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::8",
       "kavlan": true,
       "mac": "98:03:9b:b0:c1:0f",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-80.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-80.json
index 507206dc145f45ae9e472aab1e437288f06b5182..3b1e074d754b8f92a5ae491ee52ba71a92d32b76 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-80.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-80.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.80"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::50",
+      "kavlan-11": "2001:660:4406:58b:3::50",
+      "kavlan-12": "2001:660:4406:58c:3::50",
+      "kavlan-13": "2001:660:4406:58d:3::50",
+      "kavlan-14": "2001:660:4406:58e:3::50",
+      "kavlan-16": "2001:660:4406:590:3::50",
+      "kavlan-18": "2001:660:4406:592:3::50",
+      "kavlan-2": "2001:660:4406:582:3::50",
+      "kavlan-20": "2001:660:4406:594:3::50",
+      "kavlan-21": "2001:660:4406:595:3::50",
+      "kavlan-3": "2001:660:4406:583:3::50",
+      "kavlan-4": "2001:660:4406:584:3::50",
+      "kavlan-5": "2001:660:4406:585:3::50",
+      "kavlan-6": "2001:660:4406:586:3::50",
+      "kavlan-7": "2001:660:4406:587:3::50",
+      "kavlan-8": "2001:660:4406:588:3::50",
+      "kavlan-9": "2001:660:4406:589:3::50"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::50",
+      "kavlan-11": "2001:660:4406:58b:3:1::50",
+      "kavlan-12": "2001:660:4406:58c:3:1::50",
+      "kavlan-13": "2001:660:4406:58d:3:1::50",
+      "kavlan-14": "2001:660:4406:58e:3:1::50",
+      "kavlan-16": "2001:660:4406:590:3:1::50",
+      "kavlan-18": "2001:660:4406:592:3:1::50",
+      "kavlan-2": "2001:660:4406:582:3:1::50",
+      "kavlan-20": "2001:660:4406:594:3:1::50",
+      "kavlan-21": "2001:660:4406:595:3:1::50",
+      "kavlan-3": "2001:660:4406:583:3:1::50",
+      "kavlan-4": "2001:660:4406:584:3:1::50",
+      "kavlan-5": "2001:660:4406:585:3:1::50",
+      "kavlan-6": "2001:660:4406:586:3:1::50",
+      "kavlan-7": "2001:660:4406:587:3:1::50",
+      "kavlan-8": "2001:660:4406:588:3:1::50",
+      "kavlan-9": "2001:660:4406:589:3:1::50"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::50",
       "kavlan": true,
       "mac": "98:03:9b:b0:bf:87",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-81.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-81.json
index 0290b5611d120907e9244e321bb9078e958e673c..5cf0622f12c92675a4477595ae61c1c4c549f4e1 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-81.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-81.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.81"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::51",
+      "kavlan-11": "2001:660:4406:58b:3::51",
+      "kavlan-12": "2001:660:4406:58c:3::51",
+      "kavlan-13": "2001:660:4406:58d:3::51",
+      "kavlan-14": "2001:660:4406:58e:3::51",
+      "kavlan-16": "2001:660:4406:590:3::51",
+      "kavlan-18": "2001:660:4406:592:3::51",
+      "kavlan-2": "2001:660:4406:582:3::51",
+      "kavlan-20": "2001:660:4406:594:3::51",
+      "kavlan-21": "2001:660:4406:595:3::51",
+      "kavlan-3": "2001:660:4406:583:3::51",
+      "kavlan-4": "2001:660:4406:584:3::51",
+      "kavlan-5": "2001:660:4406:585:3::51",
+      "kavlan-6": "2001:660:4406:586:3::51",
+      "kavlan-7": "2001:660:4406:587:3::51",
+      "kavlan-8": "2001:660:4406:588:3::51",
+      "kavlan-9": "2001:660:4406:589:3::51"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::51",
+      "kavlan-11": "2001:660:4406:58b:3:1::51",
+      "kavlan-12": "2001:660:4406:58c:3:1::51",
+      "kavlan-13": "2001:660:4406:58d:3:1::51",
+      "kavlan-14": "2001:660:4406:58e:3:1::51",
+      "kavlan-16": "2001:660:4406:590:3:1::51",
+      "kavlan-18": "2001:660:4406:592:3:1::51",
+      "kavlan-2": "2001:660:4406:582:3:1::51",
+      "kavlan-20": "2001:660:4406:594:3:1::51",
+      "kavlan-21": "2001:660:4406:595:3:1::51",
+      "kavlan-3": "2001:660:4406:583:3:1::51",
+      "kavlan-4": "2001:660:4406:584:3:1::51",
+      "kavlan-5": "2001:660:4406:585:3:1::51",
+      "kavlan-6": "2001:660:4406:586:3:1::51",
+      "kavlan-7": "2001:660:4406:587:3:1::51",
+      "kavlan-8": "2001:660:4406:588:3:1::51",
+      "kavlan-9": "2001:660:4406:589:3:1::51"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::51",
       "kavlan": true,
       "mac": "98:03:9b:b0:9d:4b",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-82.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-82.json
index e1d3e3f8cf5458272a428316a545188e8c943c5f..78a6177a4449f422b635227ae88b967251141aa5 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-82.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-82.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.82"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::52",
+      "kavlan-11": "2001:660:4406:58b:3::52",
+      "kavlan-12": "2001:660:4406:58c:3::52",
+      "kavlan-13": "2001:660:4406:58d:3::52",
+      "kavlan-14": "2001:660:4406:58e:3::52",
+      "kavlan-16": "2001:660:4406:590:3::52",
+      "kavlan-18": "2001:660:4406:592:3::52",
+      "kavlan-2": "2001:660:4406:582:3::52",
+      "kavlan-20": "2001:660:4406:594:3::52",
+      "kavlan-21": "2001:660:4406:595:3::52",
+      "kavlan-3": "2001:660:4406:583:3::52",
+      "kavlan-4": "2001:660:4406:584:3::52",
+      "kavlan-5": "2001:660:4406:585:3::52",
+      "kavlan-6": "2001:660:4406:586:3::52",
+      "kavlan-7": "2001:660:4406:587:3::52",
+      "kavlan-8": "2001:660:4406:588:3::52",
+      "kavlan-9": "2001:660:4406:589:3::52"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::52",
+      "kavlan-11": "2001:660:4406:58b:3:1::52",
+      "kavlan-12": "2001:660:4406:58c:3:1::52",
+      "kavlan-13": "2001:660:4406:58d:3:1::52",
+      "kavlan-14": "2001:660:4406:58e:3:1::52",
+      "kavlan-16": "2001:660:4406:590:3:1::52",
+      "kavlan-18": "2001:660:4406:592:3:1::52",
+      "kavlan-2": "2001:660:4406:582:3:1::52",
+      "kavlan-20": "2001:660:4406:594:3:1::52",
+      "kavlan-21": "2001:660:4406:595:3:1::52",
+      "kavlan-3": "2001:660:4406:583:3:1::52",
+      "kavlan-4": "2001:660:4406:584:3:1::52",
+      "kavlan-5": "2001:660:4406:585:3:1::52",
+      "kavlan-6": "2001:660:4406:586:3:1::52",
+      "kavlan-7": "2001:660:4406:587:3:1::52",
+      "kavlan-8": "2001:660:4406:588:3:1::52",
+      "kavlan-9": "2001:660:4406:589:3:1::52"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::52",
       "kavlan": true,
       "mac": "98:03:9b:b0:99:6b",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-83.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-83.json
index 096acc610e6479f341dcb413be9039ea8a5418a2..91da2596055b27d15127e1c158fd72d31d2251bc 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-83.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-83.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.83"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::53",
+      "kavlan-11": "2001:660:4406:58b:3::53",
+      "kavlan-12": "2001:660:4406:58c:3::53",
+      "kavlan-13": "2001:660:4406:58d:3::53",
+      "kavlan-14": "2001:660:4406:58e:3::53",
+      "kavlan-16": "2001:660:4406:590:3::53",
+      "kavlan-18": "2001:660:4406:592:3::53",
+      "kavlan-2": "2001:660:4406:582:3::53",
+      "kavlan-20": "2001:660:4406:594:3::53",
+      "kavlan-21": "2001:660:4406:595:3::53",
+      "kavlan-3": "2001:660:4406:583:3::53",
+      "kavlan-4": "2001:660:4406:584:3::53",
+      "kavlan-5": "2001:660:4406:585:3::53",
+      "kavlan-6": "2001:660:4406:586:3::53",
+      "kavlan-7": "2001:660:4406:587:3::53",
+      "kavlan-8": "2001:660:4406:588:3::53",
+      "kavlan-9": "2001:660:4406:589:3::53"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::53",
+      "kavlan-11": "2001:660:4406:58b:3:1::53",
+      "kavlan-12": "2001:660:4406:58c:3:1::53",
+      "kavlan-13": "2001:660:4406:58d:3:1::53",
+      "kavlan-14": "2001:660:4406:58e:3:1::53",
+      "kavlan-16": "2001:660:4406:590:3:1::53",
+      "kavlan-18": "2001:660:4406:592:3:1::53",
+      "kavlan-2": "2001:660:4406:582:3:1::53",
+      "kavlan-20": "2001:660:4406:594:3:1::53",
+      "kavlan-21": "2001:660:4406:595:3:1::53",
+      "kavlan-3": "2001:660:4406:583:3:1::53",
+      "kavlan-4": "2001:660:4406:584:3:1::53",
+      "kavlan-5": "2001:660:4406:585:3:1::53",
+      "kavlan-6": "2001:660:4406:586:3:1::53",
+      "kavlan-7": "2001:660:4406:587:3:1::53",
+      "kavlan-8": "2001:660:4406:588:3:1::53",
+      "kavlan-9": "2001:660:4406:589:3:1::53"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::53",
       "kavlan": true,
       "mac": "98:03:9b:b0:ba:7f",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-84.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-84.json
index 9c7a42296370045bbaaa44072e2f14304567ad7b..aa033e7b61f576ef7d1276e3ced650b10e25ab9a 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-84.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-84.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.84"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::54",
+      "kavlan-11": "2001:660:4406:58b:3::54",
+      "kavlan-12": "2001:660:4406:58c:3::54",
+      "kavlan-13": "2001:660:4406:58d:3::54",
+      "kavlan-14": "2001:660:4406:58e:3::54",
+      "kavlan-16": "2001:660:4406:590:3::54",
+      "kavlan-18": "2001:660:4406:592:3::54",
+      "kavlan-2": "2001:660:4406:582:3::54",
+      "kavlan-20": "2001:660:4406:594:3::54",
+      "kavlan-21": "2001:660:4406:595:3::54",
+      "kavlan-3": "2001:660:4406:583:3::54",
+      "kavlan-4": "2001:660:4406:584:3::54",
+      "kavlan-5": "2001:660:4406:585:3::54",
+      "kavlan-6": "2001:660:4406:586:3::54",
+      "kavlan-7": "2001:660:4406:587:3::54",
+      "kavlan-8": "2001:660:4406:588:3::54",
+      "kavlan-9": "2001:660:4406:589:3::54"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::54",
+      "kavlan-11": "2001:660:4406:58b:3:1::54",
+      "kavlan-12": "2001:660:4406:58c:3:1::54",
+      "kavlan-13": "2001:660:4406:58d:3:1::54",
+      "kavlan-14": "2001:660:4406:58e:3:1::54",
+      "kavlan-16": "2001:660:4406:590:3:1::54",
+      "kavlan-18": "2001:660:4406:592:3:1::54",
+      "kavlan-2": "2001:660:4406:582:3:1::54",
+      "kavlan-20": "2001:660:4406:594:3:1::54",
+      "kavlan-21": "2001:660:4406:595:3:1::54",
+      "kavlan-3": "2001:660:4406:583:3:1::54",
+      "kavlan-4": "2001:660:4406:584:3:1::54",
+      "kavlan-5": "2001:660:4406:585:3:1::54",
+      "kavlan-6": "2001:660:4406:586:3:1::54",
+      "kavlan-7": "2001:660:4406:587:3:1::54",
+      "kavlan-8": "2001:660:4406:588:3:1::54",
+      "kavlan-9": "2001:660:4406:589:3:1::54"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::54",
       "kavlan": true,
       "mac": "98:03:9b:b0:a9:6f",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-85.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-85.json
index 52e11662045db02c35f9d17a9f5df1fbe19ead76..f7019e10c9076266952d335d49ae162182b370bf 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-85.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-85.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.85"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::55",
+      "kavlan-11": "2001:660:4406:58b:3::55",
+      "kavlan-12": "2001:660:4406:58c:3::55",
+      "kavlan-13": "2001:660:4406:58d:3::55",
+      "kavlan-14": "2001:660:4406:58e:3::55",
+      "kavlan-16": "2001:660:4406:590:3::55",
+      "kavlan-18": "2001:660:4406:592:3::55",
+      "kavlan-2": "2001:660:4406:582:3::55",
+      "kavlan-20": "2001:660:4406:594:3::55",
+      "kavlan-21": "2001:660:4406:595:3::55",
+      "kavlan-3": "2001:660:4406:583:3::55",
+      "kavlan-4": "2001:660:4406:584:3::55",
+      "kavlan-5": "2001:660:4406:585:3::55",
+      "kavlan-6": "2001:660:4406:586:3::55",
+      "kavlan-7": "2001:660:4406:587:3::55",
+      "kavlan-8": "2001:660:4406:588:3::55",
+      "kavlan-9": "2001:660:4406:589:3::55"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::55",
+      "kavlan-11": "2001:660:4406:58b:3:1::55",
+      "kavlan-12": "2001:660:4406:58c:3:1::55",
+      "kavlan-13": "2001:660:4406:58d:3:1::55",
+      "kavlan-14": "2001:660:4406:58e:3:1::55",
+      "kavlan-16": "2001:660:4406:590:3:1::55",
+      "kavlan-18": "2001:660:4406:592:3:1::55",
+      "kavlan-2": "2001:660:4406:582:3:1::55",
+      "kavlan-20": "2001:660:4406:594:3:1::55",
+      "kavlan-21": "2001:660:4406:595:3:1::55",
+      "kavlan-3": "2001:660:4406:583:3:1::55",
+      "kavlan-4": "2001:660:4406:584:3:1::55",
+      "kavlan-5": "2001:660:4406:585:3:1::55",
+      "kavlan-6": "2001:660:4406:586:3:1::55",
+      "kavlan-7": "2001:660:4406:587:3:1::55",
+      "kavlan-8": "2001:660:4406:588:3:1::55",
+      "kavlan-9": "2001:660:4406:589:3:1::55"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::55",
       "kavlan": true,
       "mac": "98:03:9b:b0:d0:0f",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-86.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-86.json
index 609e5d845310d0ef8d3005b637399852b4121f3d..b8178c583239b3b1a374ca6ba81edc08473e985d 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-86.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-86.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.86"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::56",
+      "kavlan-11": "2001:660:4406:58b:3::56",
+      "kavlan-12": "2001:660:4406:58c:3::56",
+      "kavlan-13": "2001:660:4406:58d:3::56",
+      "kavlan-14": "2001:660:4406:58e:3::56",
+      "kavlan-16": "2001:660:4406:590:3::56",
+      "kavlan-18": "2001:660:4406:592:3::56",
+      "kavlan-2": "2001:660:4406:582:3::56",
+      "kavlan-20": "2001:660:4406:594:3::56",
+      "kavlan-21": "2001:660:4406:595:3::56",
+      "kavlan-3": "2001:660:4406:583:3::56",
+      "kavlan-4": "2001:660:4406:584:3::56",
+      "kavlan-5": "2001:660:4406:585:3::56",
+      "kavlan-6": "2001:660:4406:586:3::56",
+      "kavlan-7": "2001:660:4406:587:3::56",
+      "kavlan-8": "2001:660:4406:588:3::56",
+      "kavlan-9": "2001:660:4406:589:3::56"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::56",
+      "kavlan-11": "2001:660:4406:58b:3:1::56",
+      "kavlan-12": "2001:660:4406:58c:3:1::56",
+      "kavlan-13": "2001:660:4406:58d:3:1::56",
+      "kavlan-14": "2001:660:4406:58e:3:1::56",
+      "kavlan-16": "2001:660:4406:590:3:1::56",
+      "kavlan-18": "2001:660:4406:592:3:1::56",
+      "kavlan-2": "2001:660:4406:582:3:1::56",
+      "kavlan-20": "2001:660:4406:594:3:1::56",
+      "kavlan-21": "2001:660:4406:595:3:1::56",
+      "kavlan-3": "2001:660:4406:583:3:1::56",
+      "kavlan-4": "2001:660:4406:584:3:1::56",
+      "kavlan-5": "2001:660:4406:585:3:1::56",
+      "kavlan-6": "2001:660:4406:586:3:1::56",
+      "kavlan-7": "2001:660:4406:587:3:1::56",
+      "kavlan-8": "2001:660:4406:588:3:1::56",
+      "kavlan-9": "2001:660:4406:589:3:1::56"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::56",
       "kavlan": true,
       "mac": "98:03:9b:b0:cf:e7",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-87.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-87.json
index 242be0bb6edd260c48c225658bb66f25d4d768eb..fd95ab1b643b1da58b2d9e4ec1be865abac8166a 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-87.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-87.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.87"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::57",
+      "kavlan-11": "2001:660:4406:58b:3::57",
+      "kavlan-12": "2001:660:4406:58c:3::57",
+      "kavlan-13": "2001:660:4406:58d:3::57",
+      "kavlan-14": "2001:660:4406:58e:3::57",
+      "kavlan-16": "2001:660:4406:590:3::57",
+      "kavlan-18": "2001:660:4406:592:3::57",
+      "kavlan-2": "2001:660:4406:582:3::57",
+      "kavlan-20": "2001:660:4406:594:3::57",
+      "kavlan-21": "2001:660:4406:595:3::57",
+      "kavlan-3": "2001:660:4406:583:3::57",
+      "kavlan-4": "2001:660:4406:584:3::57",
+      "kavlan-5": "2001:660:4406:585:3::57",
+      "kavlan-6": "2001:660:4406:586:3::57",
+      "kavlan-7": "2001:660:4406:587:3::57",
+      "kavlan-8": "2001:660:4406:588:3::57",
+      "kavlan-9": "2001:660:4406:589:3::57"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::57",
+      "kavlan-11": "2001:660:4406:58b:3:1::57",
+      "kavlan-12": "2001:660:4406:58c:3:1::57",
+      "kavlan-13": "2001:660:4406:58d:3:1::57",
+      "kavlan-14": "2001:660:4406:58e:3:1::57",
+      "kavlan-16": "2001:660:4406:590:3:1::57",
+      "kavlan-18": "2001:660:4406:592:3:1::57",
+      "kavlan-2": "2001:660:4406:582:3:1::57",
+      "kavlan-20": "2001:660:4406:594:3:1::57",
+      "kavlan-21": "2001:660:4406:595:3:1::57",
+      "kavlan-3": "2001:660:4406:583:3:1::57",
+      "kavlan-4": "2001:660:4406:584:3:1::57",
+      "kavlan-5": "2001:660:4406:585:3:1::57",
+      "kavlan-6": "2001:660:4406:586:3:1::57",
+      "kavlan-7": "2001:660:4406:587:3:1::57",
+      "kavlan-8": "2001:660:4406:588:3:1::57",
+      "kavlan-9": "2001:660:4406:589:3:1::57"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::57",
       "kavlan": true,
       "mac": "98:03:9b:b0:c6:07",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-88.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-88.json
index f409b60bc98dc31533cbb5213e131fcd1a30f6d4..b7a65b7191210c920a661b6d34ff1366b3a9e783 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-88.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-88.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.88"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::58",
+      "kavlan-11": "2001:660:4406:58b:3::58",
+      "kavlan-12": "2001:660:4406:58c:3::58",
+      "kavlan-13": "2001:660:4406:58d:3::58",
+      "kavlan-14": "2001:660:4406:58e:3::58",
+      "kavlan-16": "2001:660:4406:590:3::58",
+      "kavlan-18": "2001:660:4406:592:3::58",
+      "kavlan-2": "2001:660:4406:582:3::58",
+      "kavlan-20": "2001:660:4406:594:3::58",
+      "kavlan-21": "2001:660:4406:595:3::58",
+      "kavlan-3": "2001:660:4406:583:3::58",
+      "kavlan-4": "2001:660:4406:584:3::58",
+      "kavlan-5": "2001:660:4406:585:3::58",
+      "kavlan-6": "2001:660:4406:586:3::58",
+      "kavlan-7": "2001:660:4406:587:3::58",
+      "kavlan-8": "2001:660:4406:588:3::58",
+      "kavlan-9": "2001:660:4406:589:3::58"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::58",
+      "kavlan-11": "2001:660:4406:58b:3:1::58",
+      "kavlan-12": "2001:660:4406:58c:3:1::58",
+      "kavlan-13": "2001:660:4406:58d:3:1::58",
+      "kavlan-14": "2001:660:4406:58e:3:1::58",
+      "kavlan-16": "2001:660:4406:590:3:1::58",
+      "kavlan-18": "2001:660:4406:592:3:1::58",
+      "kavlan-2": "2001:660:4406:582:3:1::58",
+      "kavlan-20": "2001:660:4406:594:3:1::58",
+      "kavlan-21": "2001:660:4406:595:3:1::58",
+      "kavlan-3": "2001:660:4406:583:3:1::58",
+      "kavlan-4": "2001:660:4406:584:3:1::58",
+      "kavlan-5": "2001:660:4406:585:3:1::58",
+      "kavlan-6": "2001:660:4406:586:3:1::58",
+      "kavlan-7": "2001:660:4406:587:3:1::58",
+      "kavlan-8": "2001:660:4406:588:3:1::58",
+      "kavlan-9": "2001:660:4406:589:3:1::58"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::58",
       "kavlan": true,
       "mac": "98:03:9b:b0:ba:df",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-89.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-89.json
index 88c8bdc6b0cb3d94393d6aa1c50a8e99f9a9dd27..a9d062de4c0e3e94ce842dd6d397fa44ed99f87b 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-89.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-89.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.89"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::59",
+      "kavlan-11": "2001:660:4406:58b:3::59",
+      "kavlan-12": "2001:660:4406:58c:3::59",
+      "kavlan-13": "2001:660:4406:58d:3::59",
+      "kavlan-14": "2001:660:4406:58e:3::59",
+      "kavlan-16": "2001:660:4406:590:3::59",
+      "kavlan-18": "2001:660:4406:592:3::59",
+      "kavlan-2": "2001:660:4406:582:3::59",
+      "kavlan-20": "2001:660:4406:594:3::59",
+      "kavlan-21": "2001:660:4406:595:3::59",
+      "kavlan-3": "2001:660:4406:583:3::59",
+      "kavlan-4": "2001:660:4406:584:3::59",
+      "kavlan-5": "2001:660:4406:585:3::59",
+      "kavlan-6": "2001:660:4406:586:3::59",
+      "kavlan-7": "2001:660:4406:587:3::59",
+      "kavlan-8": "2001:660:4406:588:3::59",
+      "kavlan-9": "2001:660:4406:589:3::59"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::59",
+      "kavlan-11": "2001:660:4406:58b:3:1::59",
+      "kavlan-12": "2001:660:4406:58c:3:1::59",
+      "kavlan-13": "2001:660:4406:58d:3:1::59",
+      "kavlan-14": "2001:660:4406:58e:3:1::59",
+      "kavlan-16": "2001:660:4406:590:3:1::59",
+      "kavlan-18": "2001:660:4406:592:3:1::59",
+      "kavlan-2": "2001:660:4406:582:3:1::59",
+      "kavlan-20": "2001:660:4406:594:3:1::59",
+      "kavlan-21": "2001:660:4406:595:3:1::59",
+      "kavlan-3": "2001:660:4406:583:3:1::59",
+      "kavlan-4": "2001:660:4406:584:3:1::59",
+      "kavlan-5": "2001:660:4406:585:3:1::59",
+      "kavlan-6": "2001:660:4406:586:3:1::59",
+      "kavlan-7": "2001:660:4406:587:3:1::59",
+      "kavlan-8": "2001:660:4406:588:3:1::59",
+      "kavlan-9": "2001:660:4406:589:3:1::59"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::59",
       "kavlan": true,
       "mac": "98:03:9b:b0:9b:83",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-9.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-9.json
index a97f16378cf5722642f8b90ff299ce365ceeb4df..ba78f4359bab36c770fe97aafb4f10f50c49eca9 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-9.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-9.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.9"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::9",
+      "kavlan-11": "2001:660:4406:58b:3::9",
+      "kavlan-12": "2001:660:4406:58c:3::9",
+      "kavlan-13": "2001:660:4406:58d:3::9",
+      "kavlan-14": "2001:660:4406:58e:3::9",
+      "kavlan-16": "2001:660:4406:590:3::9",
+      "kavlan-18": "2001:660:4406:592:3::9",
+      "kavlan-2": "2001:660:4406:582:3::9",
+      "kavlan-20": "2001:660:4406:594:3::9",
+      "kavlan-21": "2001:660:4406:595:3::9",
+      "kavlan-3": "2001:660:4406:583:3::9",
+      "kavlan-4": "2001:660:4406:584:3::9",
+      "kavlan-5": "2001:660:4406:585:3::9",
+      "kavlan-6": "2001:660:4406:586:3::9",
+      "kavlan-7": "2001:660:4406:587:3::9",
+      "kavlan-8": "2001:660:4406:588:3::9",
+      "kavlan-9": "2001:660:4406:589:3::9"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::9",
+      "kavlan-11": "2001:660:4406:58b:3:1::9",
+      "kavlan-12": "2001:660:4406:58c:3:1::9",
+      "kavlan-13": "2001:660:4406:58d:3:1::9",
+      "kavlan-14": "2001:660:4406:58e:3:1::9",
+      "kavlan-16": "2001:660:4406:590:3:1::9",
+      "kavlan-18": "2001:660:4406:592:3:1::9",
+      "kavlan-2": "2001:660:4406:582:3:1::9",
+      "kavlan-20": "2001:660:4406:594:3:1::9",
+      "kavlan-21": "2001:660:4406:595:3:1::9",
+      "kavlan-3": "2001:660:4406:583:3:1::9",
+      "kavlan-4": "2001:660:4406:584:3:1::9",
+      "kavlan-5": "2001:660:4406:585:3:1::9",
+      "kavlan-6": "2001:660:4406:586:3:1::9",
+      "kavlan-7": "2001:660:4406:587:3:1::9",
+      "kavlan-8": "2001:660:4406:588:3:1::9",
+      "kavlan-9": "2001:660:4406:589:3:1::9"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::9",
       "kavlan": true,
       "mac": "98:03:9b:b0:98:13",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-90.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-90.json
index c0e108c057039a59342d7f1acea11779d74e5cae..262c16465287871c95e604ff02e81169bb0d8a61 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-90.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-90.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.90"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::5a",
+      "kavlan-11": "2001:660:4406:58b:3::5a",
+      "kavlan-12": "2001:660:4406:58c:3::5a",
+      "kavlan-13": "2001:660:4406:58d:3::5a",
+      "kavlan-14": "2001:660:4406:58e:3::5a",
+      "kavlan-16": "2001:660:4406:590:3::5a",
+      "kavlan-18": "2001:660:4406:592:3::5a",
+      "kavlan-2": "2001:660:4406:582:3::5a",
+      "kavlan-20": "2001:660:4406:594:3::5a",
+      "kavlan-21": "2001:660:4406:595:3::5a",
+      "kavlan-3": "2001:660:4406:583:3::5a",
+      "kavlan-4": "2001:660:4406:584:3::5a",
+      "kavlan-5": "2001:660:4406:585:3::5a",
+      "kavlan-6": "2001:660:4406:586:3::5a",
+      "kavlan-7": "2001:660:4406:587:3::5a",
+      "kavlan-8": "2001:660:4406:588:3::5a",
+      "kavlan-9": "2001:660:4406:589:3::5a"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::5a",
+      "kavlan-11": "2001:660:4406:58b:3:1::5a",
+      "kavlan-12": "2001:660:4406:58c:3:1::5a",
+      "kavlan-13": "2001:660:4406:58d:3:1::5a",
+      "kavlan-14": "2001:660:4406:58e:3:1::5a",
+      "kavlan-16": "2001:660:4406:590:3:1::5a",
+      "kavlan-18": "2001:660:4406:592:3:1::5a",
+      "kavlan-2": "2001:660:4406:582:3:1::5a",
+      "kavlan-20": "2001:660:4406:594:3:1::5a",
+      "kavlan-21": "2001:660:4406:595:3:1::5a",
+      "kavlan-3": "2001:660:4406:583:3:1::5a",
+      "kavlan-4": "2001:660:4406:584:3:1::5a",
+      "kavlan-5": "2001:660:4406:585:3:1::5a",
+      "kavlan-6": "2001:660:4406:586:3:1::5a",
+      "kavlan-7": "2001:660:4406:587:3:1::5a",
+      "kavlan-8": "2001:660:4406:588:3:1::5a",
+      "kavlan-9": "2001:660:4406:589:3:1::5a"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::5a",
       "kavlan": true,
       "mac": "98:03:9b:b0:9c:bb",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-91.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-91.json
index 8e7a563f91fac3b799d384c6db035e1cc5a5ed61..ed0cd07633c19dcc0466a2cd7537e3e6a438d7fe 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-91.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-91.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.91"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::5b",
+      "kavlan-11": "2001:660:4406:58b:3::5b",
+      "kavlan-12": "2001:660:4406:58c:3::5b",
+      "kavlan-13": "2001:660:4406:58d:3::5b",
+      "kavlan-14": "2001:660:4406:58e:3::5b",
+      "kavlan-16": "2001:660:4406:590:3::5b",
+      "kavlan-18": "2001:660:4406:592:3::5b",
+      "kavlan-2": "2001:660:4406:582:3::5b",
+      "kavlan-20": "2001:660:4406:594:3::5b",
+      "kavlan-21": "2001:660:4406:595:3::5b",
+      "kavlan-3": "2001:660:4406:583:3::5b",
+      "kavlan-4": "2001:660:4406:584:3::5b",
+      "kavlan-5": "2001:660:4406:585:3::5b",
+      "kavlan-6": "2001:660:4406:586:3::5b",
+      "kavlan-7": "2001:660:4406:587:3::5b",
+      "kavlan-8": "2001:660:4406:588:3::5b",
+      "kavlan-9": "2001:660:4406:589:3::5b"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::5b",
+      "kavlan-11": "2001:660:4406:58b:3:1::5b",
+      "kavlan-12": "2001:660:4406:58c:3:1::5b",
+      "kavlan-13": "2001:660:4406:58d:3:1::5b",
+      "kavlan-14": "2001:660:4406:58e:3:1::5b",
+      "kavlan-16": "2001:660:4406:590:3:1::5b",
+      "kavlan-18": "2001:660:4406:592:3:1::5b",
+      "kavlan-2": "2001:660:4406:582:3:1::5b",
+      "kavlan-20": "2001:660:4406:594:3:1::5b",
+      "kavlan-21": "2001:660:4406:595:3:1::5b",
+      "kavlan-3": "2001:660:4406:583:3:1::5b",
+      "kavlan-4": "2001:660:4406:584:3:1::5b",
+      "kavlan-5": "2001:660:4406:585:3:1::5b",
+      "kavlan-6": "2001:660:4406:586:3:1::5b",
+      "kavlan-7": "2001:660:4406:587:3:1::5b",
+      "kavlan-8": "2001:660:4406:588:3:1::5b",
+      "kavlan-9": "2001:660:4406:589:3:1::5b"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::5b",
       "kavlan": true,
       "mac": "98:03:9b:b0:97:43",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-92.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-92.json
index 838bc4f895d746761e3513d5e49e39835989870e..e455afeb3532cb029eb1f95ae6288a39ed4aba31 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-92.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-92.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.92"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::5c",
+      "kavlan-11": "2001:660:4406:58b:3::5c",
+      "kavlan-12": "2001:660:4406:58c:3::5c",
+      "kavlan-13": "2001:660:4406:58d:3::5c",
+      "kavlan-14": "2001:660:4406:58e:3::5c",
+      "kavlan-16": "2001:660:4406:590:3::5c",
+      "kavlan-18": "2001:660:4406:592:3::5c",
+      "kavlan-2": "2001:660:4406:582:3::5c",
+      "kavlan-20": "2001:660:4406:594:3::5c",
+      "kavlan-21": "2001:660:4406:595:3::5c",
+      "kavlan-3": "2001:660:4406:583:3::5c",
+      "kavlan-4": "2001:660:4406:584:3::5c",
+      "kavlan-5": "2001:660:4406:585:3::5c",
+      "kavlan-6": "2001:660:4406:586:3::5c",
+      "kavlan-7": "2001:660:4406:587:3::5c",
+      "kavlan-8": "2001:660:4406:588:3::5c",
+      "kavlan-9": "2001:660:4406:589:3::5c"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::5c",
+      "kavlan-11": "2001:660:4406:58b:3:1::5c",
+      "kavlan-12": "2001:660:4406:58c:3:1::5c",
+      "kavlan-13": "2001:660:4406:58d:3:1::5c",
+      "kavlan-14": "2001:660:4406:58e:3:1::5c",
+      "kavlan-16": "2001:660:4406:590:3:1::5c",
+      "kavlan-18": "2001:660:4406:592:3:1::5c",
+      "kavlan-2": "2001:660:4406:582:3:1::5c",
+      "kavlan-20": "2001:660:4406:594:3:1::5c",
+      "kavlan-21": "2001:660:4406:595:3:1::5c",
+      "kavlan-3": "2001:660:4406:583:3:1::5c",
+      "kavlan-4": "2001:660:4406:584:3:1::5c",
+      "kavlan-5": "2001:660:4406:585:3:1::5c",
+      "kavlan-6": "2001:660:4406:586:3:1::5c",
+      "kavlan-7": "2001:660:4406:587:3:1::5c",
+      "kavlan-8": "2001:660:4406:588:3:1::5c",
+      "kavlan-9": "2001:660:4406:589:3:1::5c"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::5c",
       "kavlan": true,
       "mac": "98:03:9b:b0:ac:2f",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-93.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-93.json
index fa6edfa5d11867ec0f9d2a61bc02397dbf74c51d..44fd119bf9d0f2270cdabedec6f4efc9d2ac08e9 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-93.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-93.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.93"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::5d",
+      "kavlan-11": "2001:660:4406:58b:3::5d",
+      "kavlan-12": "2001:660:4406:58c:3::5d",
+      "kavlan-13": "2001:660:4406:58d:3::5d",
+      "kavlan-14": "2001:660:4406:58e:3::5d",
+      "kavlan-16": "2001:660:4406:590:3::5d",
+      "kavlan-18": "2001:660:4406:592:3::5d",
+      "kavlan-2": "2001:660:4406:582:3::5d",
+      "kavlan-20": "2001:660:4406:594:3::5d",
+      "kavlan-21": "2001:660:4406:595:3::5d",
+      "kavlan-3": "2001:660:4406:583:3::5d",
+      "kavlan-4": "2001:660:4406:584:3::5d",
+      "kavlan-5": "2001:660:4406:585:3::5d",
+      "kavlan-6": "2001:660:4406:586:3::5d",
+      "kavlan-7": "2001:660:4406:587:3::5d",
+      "kavlan-8": "2001:660:4406:588:3::5d",
+      "kavlan-9": "2001:660:4406:589:3::5d"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::5d",
+      "kavlan-11": "2001:660:4406:58b:3:1::5d",
+      "kavlan-12": "2001:660:4406:58c:3:1::5d",
+      "kavlan-13": "2001:660:4406:58d:3:1::5d",
+      "kavlan-14": "2001:660:4406:58e:3:1::5d",
+      "kavlan-16": "2001:660:4406:590:3:1::5d",
+      "kavlan-18": "2001:660:4406:592:3:1::5d",
+      "kavlan-2": "2001:660:4406:582:3:1::5d",
+      "kavlan-20": "2001:660:4406:594:3:1::5d",
+      "kavlan-21": "2001:660:4406:595:3:1::5d",
+      "kavlan-3": "2001:660:4406:583:3:1::5d",
+      "kavlan-4": "2001:660:4406:584:3:1::5d",
+      "kavlan-5": "2001:660:4406:585:3:1::5d",
+      "kavlan-6": "2001:660:4406:586:3:1::5d",
+      "kavlan-7": "2001:660:4406:587:3:1::5d",
+      "kavlan-8": "2001:660:4406:588:3:1::5d",
+      "kavlan-9": "2001:660:4406:589:3:1::5d"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::5d",
       "kavlan": true,
       "mac": "98:03:9b:b0:bb:27",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-94.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-94.json
index 4103e3c243500100bb1e63d53fda0e30b6adb9e3..f9df95f49f789ffdb066a2b3df214e0388b19db8 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-94.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-94.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.94"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::5e",
+      "kavlan-11": "2001:660:4406:58b:3::5e",
+      "kavlan-12": "2001:660:4406:58c:3::5e",
+      "kavlan-13": "2001:660:4406:58d:3::5e",
+      "kavlan-14": "2001:660:4406:58e:3::5e",
+      "kavlan-16": "2001:660:4406:590:3::5e",
+      "kavlan-18": "2001:660:4406:592:3::5e",
+      "kavlan-2": "2001:660:4406:582:3::5e",
+      "kavlan-20": "2001:660:4406:594:3::5e",
+      "kavlan-21": "2001:660:4406:595:3::5e",
+      "kavlan-3": "2001:660:4406:583:3::5e",
+      "kavlan-4": "2001:660:4406:584:3::5e",
+      "kavlan-5": "2001:660:4406:585:3::5e",
+      "kavlan-6": "2001:660:4406:586:3::5e",
+      "kavlan-7": "2001:660:4406:587:3::5e",
+      "kavlan-8": "2001:660:4406:588:3::5e",
+      "kavlan-9": "2001:660:4406:589:3::5e"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::5e",
+      "kavlan-11": "2001:660:4406:58b:3:1::5e",
+      "kavlan-12": "2001:660:4406:58c:3:1::5e",
+      "kavlan-13": "2001:660:4406:58d:3:1::5e",
+      "kavlan-14": "2001:660:4406:58e:3:1::5e",
+      "kavlan-16": "2001:660:4406:590:3:1::5e",
+      "kavlan-18": "2001:660:4406:592:3:1::5e",
+      "kavlan-2": "2001:660:4406:582:3:1::5e",
+      "kavlan-20": "2001:660:4406:594:3:1::5e",
+      "kavlan-21": "2001:660:4406:595:3:1::5e",
+      "kavlan-3": "2001:660:4406:583:3:1::5e",
+      "kavlan-4": "2001:660:4406:584:3:1::5e",
+      "kavlan-5": "2001:660:4406:585:3:1::5e",
+      "kavlan-6": "2001:660:4406:586:3:1::5e",
+      "kavlan-7": "2001:660:4406:587:3:1::5e",
+      "kavlan-8": "2001:660:4406:588:3:1::5e",
+      "kavlan-9": "2001:660:4406:589:3:1::5e"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::5e",
       "kavlan": true,
       "mac": "98:03:9b:b0:b0:a7",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-95.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-95.json
index ce79264110d5019f61b6efe21ec975ad8c974c47..e2129abe53dc53f8b18cd1520514650d30252a23 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-95.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-95.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.95"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::5f",
+      "kavlan-11": "2001:660:4406:58b:3::5f",
+      "kavlan-12": "2001:660:4406:58c:3::5f",
+      "kavlan-13": "2001:660:4406:58d:3::5f",
+      "kavlan-14": "2001:660:4406:58e:3::5f",
+      "kavlan-16": "2001:660:4406:590:3::5f",
+      "kavlan-18": "2001:660:4406:592:3::5f",
+      "kavlan-2": "2001:660:4406:582:3::5f",
+      "kavlan-20": "2001:660:4406:594:3::5f",
+      "kavlan-21": "2001:660:4406:595:3::5f",
+      "kavlan-3": "2001:660:4406:583:3::5f",
+      "kavlan-4": "2001:660:4406:584:3::5f",
+      "kavlan-5": "2001:660:4406:585:3::5f",
+      "kavlan-6": "2001:660:4406:586:3::5f",
+      "kavlan-7": "2001:660:4406:587:3::5f",
+      "kavlan-8": "2001:660:4406:588:3::5f",
+      "kavlan-9": "2001:660:4406:589:3::5f"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::5f",
+      "kavlan-11": "2001:660:4406:58b:3:1::5f",
+      "kavlan-12": "2001:660:4406:58c:3:1::5f",
+      "kavlan-13": "2001:660:4406:58d:3:1::5f",
+      "kavlan-14": "2001:660:4406:58e:3:1::5f",
+      "kavlan-16": "2001:660:4406:590:3:1::5f",
+      "kavlan-18": "2001:660:4406:592:3:1::5f",
+      "kavlan-2": "2001:660:4406:582:3:1::5f",
+      "kavlan-20": "2001:660:4406:594:3:1::5f",
+      "kavlan-21": "2001:660:4406:595:3:1::5f",
+      "kavlan-3": "2001:660:4406:583:3:1::5f",
+      "kavlan-4": "2001:660:4406:584:3:1::5f",
+      "kavlan-5": "2001:660:4406:585:3:1::5f",
+      "kavlan-6": "2001:660:4406:586:3:1::5f",
+      "kavlan-7": "2001:660:4406:587:3:1::5f",
+      "kavlan-8": "2001:660:4406:588:3:1::5f",
+      "kavlan-9": "2001:660:4406:589:3:1::5f"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::5f",
       "kavlan": true,
       "mac": "98:03:9b:b0:6b:2b",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-96.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-96.json
index 8c6351ecd47e73401ad3ffe101522e43b715785e..245c9a24dea18e292d0e5d760120db31f2abd76b 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-96.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-96.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.96"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::60",
+      "kavlan-11": "2001:660:4406:58b:3::60",
+      "kavlan-12": "2001:660:4406:58c:3::60",
+      "kavlan-13": "2001:660:4406:58d:3::60",
+      "kavlan-14": "2001:660:4406:58e:3::60",
+      "kavlan-16": "2001:660:4406:590:3::60",
+      "kavlan-18": "2001:660:4406:592:3::60",
+      "kavlan-2": "2001:660:4406:582:3::60",
+      "kavlan-20": "2001:660:4406:594:3::60",
+      "kavlan-21": "2001:660:4406:595:3::60",
+      "kavlan-3": "2001:660:4406:583:3::60",
+      "kavlan-4": "2001:660:4406:584:3::60",
+      "kavlan-5": "2001:660:4406:585:3::60",
+      "kavlan-6": "2001:660:4406:586:3::60",
+      "kavlan-7": "2001:660:4406:587:3::60",
+      "kavlan-8": "2001:660:4406:588:3::60",
+      "kavlan-9": "2001:660:4406:589:3::60"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::60",
+      "kavlan-11": "2001:660:4406:58b:3:1::60",
+      "kavlan-12": "2001:660:4406:58c:3:1::60",
+      "kavlan-13": "2001:660:4406:58d:3:1::60",
+      "kavlan-14": "2001:660:4406:58e:3:1::60",
+      "kavlan-16": "2001:660:4406:590:3:1::60",
+      "kavlan-18": "2001:660:4406:592:3:1::60",
+      "kavlan-2": "2001:660:4406:582:3:1::60",
+      "kavlan-20": "2001:660:4406:594:3:1::60",
+      "kavlan-21": "2001:660:4406:595:3:1::60",
+      "kavlan-3": "2001:660:4406:583:3:1::60",
+      "kavlan-4": "2001:660:4406:584:3:1::60",
+      "kavlan-5": "2001:660:4406:585:3:1::60",
+      "kavlan-6": "2001:660:4406:586:3:1::60",
+      "kavlan-7": "2001:660:4406:587:3:1::60",
+      "kavlan-8": "2001:660:4406:588:3:1::60",
+      "kavlan-9": "2001:660:4406:589:3:1::60"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::60",
       "kavlan": true,
       "mac": "98:03:9b:b0:97:1b",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-97.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-97.json
index 6f6d5162d9fbc2751a0c8866890a319cdc91eaf0..8717834e4ba5d86f23fad18bd0d3a04ee7397192 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-97.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-97.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.97"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::61",
+      "kavlan-11": "2001:660:4406:58b:3::61",
+      "kavlan-12": "2001:660:4406:58c:3::61",
+      "kavlan-13": "2001:660:4406:58d:3::61",
+      "kavlan-14": "2001:660:4406:58e:3::61",
+      "kavlan-16": "2001:660:4406:590:3::61",
+      "kavlan-18": "2001:660:4406:592:3::61",
+      "kavlan-2": "2001:660:4406:582:3::61",
+      "kavlan-20": "2001:660:4406:594:3::61",
+      "kavlan-21": "2001:660:4406:595:3::61",
+      "kavlan-3": "2001:660:4406:583:3::61",
+      "kavlan-4": "2001:660:4406:584:3::61",
+      "kavlan-5": "2001:660:4406:585:3::61",
+      "kavlan-6": "2001:660:4406:586:3::61",
+      "kavlan-7": "2001:660:4406:587:3::61",
+      "kavlan-8": "2001:660:4406:588:3::61",
+      "kavlan-9": "2001:660:4406:589:3::61"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::61",
+      "kavlan-11": "2001:660:4406:58b:3:1::61",
+      "kavlan-12": "2001:660:4406:58c:3:1::61",
+      "kavlan-13": "2001:660:4406:58d:3:1::61",
+      "kavlan-14": "2001:660:4406:58e:3:1::61",
+      "kavlan-16": "2001:660:4406:590:3:1::61",
+      "kavlan-18": "2001:660:4406:592:3:1::61",
+      "kavlan-2": "2001:660:4406:582:3:1::61",
+      "kavlan-20": "2001:660:4406:594:3:1::61",
+      "kavlan-21": "2001:660:4406:595:3:1::61",
+      "kavlan-3": "2001:660:4406:583:3:1::61",
+      "kavlan-4": "2001:660:4406:584:3:1::61",
+      "kavlan-5": "2001:660:4406:585:3:1::61",
+      "kavlan-6": "2001:660:4406:586:3:1::61",
+      "kavlan-7": "2001:660:4406:587:3:1::61",
+      "kavlan-8": "2001:660:4406:588:3:1::61",
+      "kavlan-9": "2001:660:4406:589:3:1::61"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::61",
       "kavlan": true,
       "mac": "98:03:9b:b0:9b:7b",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-98.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-98.json
index ba60945a983532634628bcb3c9672be724f53a39..c23fe2ff239cbe8f162df626ff88d3e93178a006 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-98.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-98.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.98"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::62",
+      "kavlan-11": "2001:660:4406:58b:3::62",
+      "kavlan-12": "2001:660:4406:58c:3::62",
+      "kavlan-13": "2001:660:4406:58d:3::62",
+      "kavlan-14": "2001:660:4406:58e:3::62",
+      "kavlan-16": "2001:660:4406:590:3::62",
+      "kavlan-18": "2001:660:4406:592:3::62",
+      "kavlan-2": "2001:660:4406:582:3::62",
+      "kavlan-20": "2001:660:4406:594:3::62",
+      "kavlan-21": "2001:660:4406:595:3::62",
+      "kavlan-3": "2001:660:4406:583:3::62",
+      "kavlan-4": "2001:660:4406:584:3::62",
+      "kavlan-5": "2001:660:4406:585:3::62",
+      "kavlan-6": "2001:660:4406:586:3::62",
+      "kavlan-7": "2001:660:4406:587:3::62",
+      "kavlan-8": "2001:660:4406:588:3::62",
+      "kavlan-9": "2001:660:4406:589:3::62"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::62",
+      "kavlan-11": "2001:660:4406:58b:3:1::62",
+      "kavlan-12": "2001:660:4406:58c:3:1::62",
+      "kavlan-13": "2001:660:4406:58d:3:1::62",
+      "kavlan-14": "2001:660:4406:58e:3:1::62",
+      "kavlan-16": "2001:660:4406:590:3:1::62",
+      "kavlan-18": "2001:660:4406:592:3:1::62",
+      "kavlan-2": "2001:660:4406:582:3:1::62",
+      "kavlan-20": "2001:660:4406:594:3:1::62",
+      "kavlan-21": "2001:660:4406:595:3:1::62",
+      "kavlan-3": "2001:660:4406:583:3:1::62",
+      "kavlan-4": "2001:660:4406:584:3:1::62",
+      "kavlan-5": "2001:660:4406:585:3:1::62",
+      "kavlan-6": "2001:660:4406:586:3:1::62",
+      "kavlan-7": "2001:660:4406:587:3:1::62",
+      "kavlan-8": "2001:660:4406:588:3:1::62",
+      "kavlan-9": "2001:660:4406:589:3:1::62"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::62",
       "kavlan": true,
       "mac": "98:03:9b:b0:ac:df",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-99.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-99.json
index 66cec1082dbb3fcb06c503679f8bf2fba910d8e3..6c789e3119718d82ca0c7311943f4b7a111cfe37 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-99.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-99.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.17.65.99"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:3::63",
+      "kavlan-11": "2001:660:4406:58b:3::63",
+      "kavlan-12": "2001:660:4406:58c:3::63",
+      "kavlan-13": "2001:660:4406:58d:3::63",
+      "kavlan-14": "2001:660:4406:58e:3::63",
+      "kavlan-16": "2001:660:4406:590:3::63",
+      "kavlan-18": "2001:660:4406:592:3::63",
+      "kavlan-2": "2001:660:4406:582:3::63",
+      "kavlan-20": "2001:660:4406:594:3::63",
+      "kavlan-21": "2001:660:4406:595:3::63",
+      "kavlan-3": "2001:660:4406:583:3::63",
+      "kavlan-4": "2001:660:4406:584:3::63",
+      "kavlan-5": "2001:660:4406:585:3::63",
+      "kavlan-6": "2001:660:4406:586:3::63",
+      "kavlan-7": "2001:660:4406:587:3::63",
+      "kavlan-8": "2001:660:4406:588:3::63",
+      "kavlan-9": "2001:660:4406:589:3::63"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:581:3:1::63",
+      "kavlan-11": "2001:660:4406:58b:3:1::63",
+      "kavlan-12": "2001:660:4406:58c:3:1::63",
+      "kavlan-13": "2001:660:4406:58d:3:1::63",
+      "kavlan-14": "2001:660:4406:58e:3:1::63",
+      "kavlan-16": "2001:660:4406:590:3:1::63",
+      "kavlan-18": "2001:660:4406:592:3:1::63",
+      "kavlan-2": "2001:660:4406:582:3:1::63",
+      "kavlan-20": "2001:660:4406:594:3:1::63",
+      "kavlan-21": "2001:660:4406:595:3:1::63",
+      "kavlan-3": "2001:660:4406:583:3:1::63",
+      "kavlan-4": "2001:660:4406:584:3:1::63",
+      "kavlan-5": "2001:660:4406:585:3:1::63",
+      "kavlan-6": "2001:660:4406:586:3:1::63",
+      "kavlan-7": "2001:660:4406:587:3:1::63",
+      "kavlan-8": "2001:660:4406:588:3:1::63",
+      "kavlan-9": "2001:660:4406:589:3:1::63"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "14.24.8000 (DEL2810000034)",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:500:3:1::63",
       "kavlan": true,
       "mac": "98:03:9b:b0:a7:4f",
       "management": false,
diff --git a/data/grid5000/sites/nancy/clusters/grue/nodes/grue-1.json b/data/grid5000/sites/nancy/clusters/grue/nodes/grue-1.json
index bb241c50e3998d4ac9e487b32e33810735464b27..074fe49fd1a23e715c8e760eda780f054ee23f23 100644
--- a/data/grid5000/sites/nancy/clusters/grue/nodes/grue-1.json
+++ b/data/grid5000/sites/nancy/clusters/grue/nodes/grue-1.json
@@ -80,6 +80,27 @@
       "kavlan-9": "10.17.77.1"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:e::1",
+      "kavlan-11": "2001:660:4406:58b:e::1",
+      "kavlan-12": "2001:660:4406:58c:e::1",
+      "kavlan-13": "2001:660:4406:58d:e::1",
+      "kavlan-14": "2001:660:4406:58e:e::1",
+      "kavlan-16": "2001:660:4406:590:e::1",
+      "kavlan-18": "2001:660:4406:592:e::1",
+      "kavlan-2": "2001:660:4406:582:e::1",
+      "kavlan-20": "2001:660:4406:594:e::1",
+      "kavlan-21": "2001:660:4406:595:e::1",
+      "kavlan-3": "2001:660:4406:583:e::1",
+      "kavlan-4": "2001:660:4406:584:e::1",
+      "kavlan-5": "2001:660:4406:585:e::1",
+      "kavlan-6": "2001:660:4406:586:e::1",
+      "kavlan-7": "2001:660:4406:587:e::1",
+      "kavlan-8": "2001:660:4406:588:e::1",
+      "kavlan-9": "2001:660:4406:589:e::1"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
diff --git a/data/grid5000/sites/nancy/clusters/grue/nodes/grue-2.json b/data/grid5000/sites/nancy/clusters/grue/nodes/grue-2.json
index 9d18d7c2aa327a282af8f8b1f9c0c732e8cc4b47..a5cfa3e1c246ad2c0d7eb9860e76083b22c49423 100644
--- a/data/grid5000/sites/nancy/clusters/grue/nodes/grue-2.json
+++ b/data/grid5000/sites/nancy/clusters/grue/nodes/grue-2.json
@@ -80,6 +80,27 @@
       "kavlan-9": "10.17.77.2"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:e::2",
+      "kavlan-11": "2001:660:4406:58b:e::2",
+      "kavlan-12": "2001:660:4406:58c:e::2",
+      "kavlan-13": "2001:660:4406:58d:e::2",
+      "kavlan-14": "2001:660:4406:58e:e::2",
+      "kavlan-16": "2001:660:4406:590:e::2",
+      "kavlan-18": "2001:660:4406:592:e::2",
+      "kavlan-2": "2001:660:4406:582:e::2",
+      "kavlan-20": "2001:660:4406:594:e::2",
+      "kavlan-21": "2001:660:4406:595:e::2",
+      "kavlan-3": "2001:660:4406:583:e::2",
+      "kavlan-4": "2001:660:4406:584:e::2",
+      "kavlan-5": "2001:660:4406:585:e::2",
+      "kavlan-6": "2001:660:4406:586:e::2",
+      "kavlan-7": "2001:660:4406:587:e::2",
+      "kavlan-8": "2001:660:4406:588:e::2",
+      "kavlan-9": "2001:660:4406:589:e::2"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
diff --git a/data/grid5000/sites/nancy/clusters/grue/nodes/grue-3.json b/data/grid5000/sites/nancy/clusters/grue/nodes/grue-3.json
index 453503c51104c9f5211bf8a12e8830105daba9d3..41b4b1a7acdff9360f9253ad6a22901a21e11b7e 100644
--- a/data/grid5000/sites/nancy/clusters/grue/nodes/grue-3.json
+++ b/data/grid5000/sites/nancy/clusters/grue/nodes/grue-3.json
@@ -80,6 +80,27 @@
       "kavlan-9": "10.17.77.3"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:e::3",
+      "kavlan-11": "2001:660:4406:58b:e::3",
+      "kavlan-12": "2001:660:4406:58c:e::3",
+      "kavlan-13": "2001:660:4406:58d:e::3",
+      "kavlan-14": "2001:660:4406:58e:e::3",
+      "kavlan-16": "2001:660:4406:590:e::3",
+      "kavlan-18": "2001:660:4406:592:e::3",
+      "kavlan-2": "2001:660:4406:582:e::3",
+      "kavlan-20": "2001:660:4406:594:e::3",
+      "kavlan-21": "2001:660:4406:595:e::3",
+      "kavlan-3": "2001:660:4406:583:e::3",
+      "kavlan-4": "2001:660:4406:584:e::3",
+      "kavlan-5": "2001:660:4406:585:e::3",
+      "kavlan-6": "2001:660:4406:586:e::3",
+      "kavlan-7": "2001:660:4406:587:e::3",
+      "kavlan-8": "2001:660:4406:588:e::3",
+      "kavlan-9": "2001:660:4406:589:e::3"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
diff --git a/data/grid5000/sites/nancy/clusters/grue/nodes/grue-4.json b/data/grid5000/sites/nancy/clusters/grue/nodes/grue-4.json
index 13286583ab4f9b5368e5d0d4aef9d156d254ed87..af35b5345cb89cc72dc69520f812631871671baf 100644
--- a/data/grid5000/sites/nancy/clusters/grue/nodes/grue-4.json
+++ b/data/grid5000/sites/nancy/clusters/grue/nodes/grue-4.json
@@ -80,6 +80,27 @@
       "kavlan-9": "10.17.77.4"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:e::4",
+      "kavlan-11": "2001:660:4406:58b:e::4",
+      "kavlan-12": "2001:660:4406:58c:e::4",
+      "kavlan-13": "2001:660:4406:58d:e::4",
+      "kavlan-14": "2001:660:4406:58e:e::4",
+      "kavlan-16": "2001:660:4406:590:e::4",
+      "kavlan-18": "2001:660:4406:592:e::4",
+      "kavlan-2": "2001:660:4406:582:e::4",
+      "kavlan-20": "2001:660:4406:594:e::4",
+      "kavlan-21": "2001:660:4406:595:e::4",
+      "kavlan-3": "2001:660:4406:583:e::4",
+      "kavlan-4": "2001:660:4406:584:e::4",
+      "kavlan-5": "2001:660:4406:585:e::4",
+      "kavlan-6": "2001:660:4406:586:e::4",
+      "kavlan-7": "2001:660:4406:587:e::4",
+      "kavlan-8": "2001:660:4406:588:e::4",
+      "kavlan-9": "2001:660:4406:589:e::4"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
diff --git a/data/grid5000/sites/nancy/clusters/grue/nodes/grue-5.json b/data/grid5000/sites/nancy/clusters/grue/nodes/grue-5.json
index 4adcced0b74400f720759ea000b4aedc490bac60..1ad7ddf4b2506b6dfa6d24dc511a95c206229320 100644
--- a/data/grid5000/sites/nancy/clusters/grue/nodes/grue-5.json
+++ b/data/grid5000/sites/nancy/clusters/grue/nodes/grue-5.json
@@ -80,6 +80,27 @@
       "kavlan-9": "10.17.77.5"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:e::5",
+      "kavlan-11": "2001:660:4406:58b:e::5",
+      "kavlan-12": "2001:660:4406:58c:e::5",
+      "kavlan-13": "2001:660:4406:58d:e::5",
+      "kavlan-14": "2001:660:4406:58e:e::5",
+      "kavlan-16": "2001:660:4406:590:e::5",
+      "kavlan-18": "2001:660:4406:592:e::5",
+      "kavlan-2": "2001:660:4406:582:e::5",
+      "kavlan-20": "2001:660:4406:594:e::5",
+      "kavlan-21": "2001:660:4406:595:e::5",
+      "kavlan-3": "2001:660:4406:583:e::5",
+      "kavlan-4": "2001:660:4406:584:e::5",
+      "kavlan-5": "2001:660:4406:585:e::5",
+      "kavlan-6": "2001:660:4406:586:e::5",
+      "kavlan-7": "2001:660:4406:587:e::5",
+      "kavlan-8": "2001:660:4406:588:e::5",
+      "kavlan-9": "2001:660:4406:589:e::5"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-1.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-1.json
index 8abb8bf3d94ba17c766bc349a3cf4d877116e01a..b0945046a3491ad6de99fe4ea92f4db0b508eae6 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-1.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-1.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.67.1"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:d::1",
+      "kavlan-11": "2001:660:4406:58b:d::1",
+      "kavlan-12": "2001:660:4406:58c:d::1",
+      "kavlan-13": "2001:660:4406:58d:d::1",
+      "kavlan-14": "2001:660:4406:58e:d::1",
+      "kavlan-16": "2001:660:4406:590:d::1",
+      "kavlan-18": "2001:660:4406:592:d::1",
+      "kavlan-2": "2001:660:4406:582:d::1",
+      "kavlan-20": "2001:660:4406:594:d::1",
+      "kavlan-21": "2001:660:4406:595:d::1",
+      "kavlan-3": "2001:660:4406:583:d::1",
+      "kavlan-4": "2001:660:4406:584:d::1",
+      "kavlan-5": "2001:660:4406:585:d::1",
+      "kavlan-6": "2001:660:4406:586:d::1",
+      "kavlan-7": "2001:660:4406:587:d::1",
+      "kavlan-8": "2001:660:4406:588:d::1",
+      "kavlan-9": "2001:660:4406:589:d::1"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-10.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-10.json
index 8744b753525799c3342181671a99a8dc34de10b4..fad315a832cb9f40a6629113f6b36246d54d0643 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-10.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-10.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.67.10"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:d::a",
+      "kavlan-11": "2001:660:4406:58b:d::a",
+      "kavlan-12": "2001:660:4406:58c:d::a",
+      "kavlan-13": "2001:660:4406:58d:d::a",
+      "kavlan-14": "2001:660:4406:58e:d::a",
+      "kavlan-16": "2001:660:4406:590:d::a",
+      "kavlan-18": "2001:660:4406:592:d::a",
+      "kavlan-2": "2001:660:4406:582:d::a",
+      "kavlan-20": "2001:660:4406:594:d::a",
+      "kavlan-21": "2001:660:4406:595:d::a",
+      "kavlan-3": "2001:660:4406:583:d::a",
+      "kavlan-4": "2001:660:4406:584:d::a",
+      "kavlan-5": "2001:660:4406:585:d::a",
+      "kavlan-6": "2001:660:4406:586:d::a",
+      "kavlan-7": "2001:660:4406:587:d::a",
+      "kavlan-8": "2001:660:4406:588:d::a",
+      "kavlan-9": "2001:660:4406:589:d::a"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-11.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-11.json
index d9a53d5784fb4ffb6b4f2150f7f0c1d4b55d00cb..de54f18005625ce061e7ca45db0d42b28ce8ec3e 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-11.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-11.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.67.11"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:d::b",
+      "kavlan-11": "2001:660:4406:58b:d::b",
+      "kavlan-12": "2001:660:4406:58c:d::b",
+      "kavlan-13": "2001:660:4406:58d:d::b",
+      "kavlan-14": "2001:660:4406:58e:d::b",
+      "kavlan-16": "2001:660:4406:590:d::b",
+      "kavlan-18": "2001:660:4406:592:d::b",
+      "kavlan-2": "2001:660:4406:582:d::b",
+      "kavlan-20": "2001:660:4406:594:d::b",
+      "kavlan-21": "2001:660:4406:595:d::b",
+      "kavlan-3": "2001:660:4406:583:d::b",
+      "kavlan-4": "2001:660:4406:584:d::b",
+      "kavlan-5": "2001:660:4406:585:d::b",
+      "kavlan-6": "2001:660:4406:586:d::b",
+      "kavlan-7": "2001:660:4406:587:d::b",
+      "kavlan-8": "2001:660:4406:588:d::b",
+      "kavlan-9": "2001:660:4406:589:d::b"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-12.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-12.json
index aa08798785f834b85878d3f7d5782aea53ac53d6..e00989b9d14f6c05519160a40c35e2ea581384c8 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-12.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-12.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.67.12"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:d::c",
+      "kavlan-11": "2001:660:4406:58b:d::c",
+      "kavlan-12": "2001:660:4406:58c:d::c",
+      "kavlan-13": "2001:660:4406:58d:d::c",
+      "kavlan-14": "2001:660:4406:58e:d::c",
+      "kavlan-16": "2001:660:4406:590:d::c",
+      "kavlan-18": "2001:660:4406:592:d::c",
+      "kavlan-2": "2001:660:4406:582:d::c",
+      "kavlan-20": "2001:660:4406:594:d::c",
+      "kavlan-21": "2001:660:4406:595:d::c",
+      "kavlan-3": "2001:660:4406:583:d::c",
+      "kavlan-4": "2001:660:4406:584:d::c",
+      "kavlan-5": "2001:660:4406:585:d::c",
+      "kavlan-6": "2001:660:4406:586:d::c",
+      "kavlan-7": "2001:660:4406:587:d::c",
+      "kavlan-8": "2001:660:4406:588:d::c",
+      "kavlan-9": "2001:660:4406:589:d::c"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-13.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-13.json
index 7e2aa28d501a8cc9fe11d68abd4e1bd52ef0bcbe..37beb5abbbd284e1d9e7ee84b859f65a34ac9000 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-13.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-13.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.67.13"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:d::d",
+      "kavlan-11": "2001:660:4406:58b:d::d",
+      "kavlan-12": "2001:660:4406:58c:d::d",
+      "kavlan-13": "2001:660:4406:58d:d::d",
+      "kavlan-14": "2001:660:4406:58e:d::d",
+      "kavlan-16": "2001:660:4406:590:d::d",
+      "kavlan-18": "2001:660:4406:592:d::d",
+      "kavlan-2": "2001:660:4406:582:d::d",
+      "kavlan-20": "2001:660:4406:594:d::d",
+      "kavlan-21": "2001:660:4406:595:d::d",
+      "kavlan-3": "2001:660:4406:583:d::d",
+      "kavlan-4": "2001:660:4406:584:d::d",
+      "kavlan-5": "2001:660:4406:585:d::d",
+      "kavlan-6": "2001:660:4406:586:d::d",
+      "kavlan-7": "2001:660:4406:587:d::d",
+      "kavlan-8": "2001:660:4406:588:d::d",
+      "kavlan-9": "2001:660:4406:589:d::d"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-14.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-14.json
index dae9c41d3308eaec2d5d3541d8e490df1de2be9a..a67166a4c7054adda5921911e92f1b24f348656d 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-14.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-14.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.67.14"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:d::e",
+      "kavlan-11": "2001:660:4406:58b:d::e",
+      "kavlan-12": "2001:660:4406:58c:d::e",
+      "kavlan-13": "2001:660:4406:58d:d::e",
+      "kavlan-14": "2001:660:4406:58e:d::e",
+      "kavlan-16": "2001:660:4406:590:d::e",
+      "kavlan-18": "2001:660:4406:592:d::e",
+      "kavlan-2": "2001:660:4406:582:d::e",
+      "kavlan-20": "2001:660:4406:594:d::e",
+      "kavlan-21": "2001:660:4406:595:d::e",
+      "kavlan-3": "2001:660:4406:583:d::e",
+      "kavlan-4": "2001:660:4406:584:d::e",
+      "kavlan-5": "2001:660:4406:585:d::e",
+      "kavlan-6": "2001:660:4406:586:d::e",
+      "kavlan-7": "2001:660:4406:587:d::e",
+      "kavlan-8": "2001:660:4406:588:d::e",
+      "kavlan-9": "2001:660:4406:589:d::e"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-15.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-15.json
index 5c89464c107f75a4af32305e93c295a3a4958907..c29b518e1d211282dc070fd52580e47077ddc388 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-15.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-15.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.67.15"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:d::f",
+      "kavlan-11": "2001:660:4406:58b:d::f",
+      "kavlan-12": "2001:660:4406:58c:d::f",
+      "kavlan-13": "2001:660:4406:58d:d::f",
+      "kavlan-14": "2001:660:4406:58e:d::f",
+      "kavlan-16": "2001:660:4406:590:d::f",
+      "kavlan-18": "2001:660:4406:592:d::f",
+      "kavlan-2": "2001:660:4406:582:d::f",
+      "kavlan-20": "2001:660:4406:594:d::f",
+      "kavlan-21": "2001:660:4406:595:d::f",
+      "kavlan-3": "2001:660:4406:583:d::f",
+      "kavlan-4": "2001:660:4406:584:d::f",
+      "kavlan-5": "2001:660:4406:585:d::f",
+      "kavlan-6": "2001:660:4406:586:d::f",
+      "kavlan-7": "2001:660:4406:587:d::f",
+      "kavlan-8": "2001:660:4406:588:d::f",
+      "kavlan-9": "2001:660:4406:589:d::f"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-16.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-16.json
index 926be8892845f6d1d063ac6f7df1e782b81d0be0..259d119960256c7b772aea0f9a30758e7734a2f0 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-16.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-16.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.67.16"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:d::10",
+      "kavlan-11": "2001:660:4406:58b:d::10",
+      "kavlan-12": "2001:660:4406:58c:d::10",
+      "kavlan-13": "2001:660:4406:58d:d::10",
+      "kavlan-14": "2001:660:4406:58e:d::10",
+      "kavlan-16": "2001:660:4406:590:d::10",
+      "kavlan-18": "2001:660:4406:592:d::10",
+      "kavlan-2": "2001:660:4406:582:d::10",
+      "kavlan-20": "2001:660:4406:594:d::10",
+      "kavlan-21": "2001:660:4406:595:d::10",
+      "kavlan-3": "2001:660:4406:583:d::10",
+      "kavlan-4": "2001:660:4406:584:d::10",
+      "kavlan-5": "2001:660:4406:585:d::10",
+      "kavlan-6": "2001:660:4406:586:d::10",
+      "kavlan-7": "2001:660:4406:587:d::10",
+      "kavlan-8": "2001:660:4406:588:d::10",
+      "kavlan-9": "2001:660:4406:589:d::10"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-17.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-17.json
index dc7551174a62e58083652f3241c1a078d27afffe..b81aaafefba73748eb1e94b2b2fe3b7c7b215a8d 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-17.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-17.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.67.17"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:d::11",
+      "kavlan-11": "2001:660:4406:58b:d::11",
+      "kavlan-12": "2001:660:4406:58c:d::11",
+      "kavlan-13": "2001:660:4406:58d:d::11",
+      "kavlan-14": "2001:660:4406:58e:d::11",
+      "kavlan-16": "2001:660:4406:590:d::11",
+      "kavlan-18": "2001:660:4406:592:d::11",
+      "kavlan-2": "2001:660:4406:582:d::11",
+      "kavlan-20": "2001:660:4406:594:d::11",
+      "kavlan-21": "2001:660:4406:595:d::11",
+      "kavlan-3": "2001:660:4406:583:d::11",
+      "kavlan-4": "2001:660:4406:584:d::11",
+      "kavlan-5": "2001:660:4406:585:d::11",
+      "kavlan-6": "2001:660:4406:586:d::11",
+      "kavlan-7": "2001:660:4406:587:d::11",
+      "kavlan-8": "2001:660:4406:588:d::11",
+      "kavlan-9": "2001:660:4406:589:d::11"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-18.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-18.json
index 37fcbbce6bc013d51ddee75b77469762e1a7d5e3..8f3437793c673b9f312efa9cedb0d421bf88d5d6 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-18.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-18.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.67.18"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:d::12",
+      "kavlan-11": "2001:660:4406:58b:d::12",
+      "kavlan-12": "2001:660:4406:58c:d::12",
+      "kavlan-13": "2001:660:4406:58d:d::12",
+      "kavlan-14": "2001:660:4406:58e:d::12",
+      "kavlan-16": "2001:660:4406:590:d::12",
+      "kavlan-18": "2001:660:4406:592:d::12",
+      "kavlan-2": "2001:660:4406:582:d::12",
+      "kavlan-20": "2001:660:4406:594:d::12",
+      "kavlan-21": "2001:660:4406:595:d::12",
+      "kavlan-3": "2001:660:4406:583:d::12",
+      "kavlan-4": "2001:660:4406:584:d::12",
+      "kavlan-5": "2001:660:4406:585:d::12",
+      "kavlan-6": "2001:660:4406:586:d::12",
+      "kavlan-7": "2001:660:4406:587:d::12",
+      "kavlan-8": "2001:660:4406:588:d::12",
+      "kavlan-9": "2001:660:4406:589:d::12"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-19.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-19.json
index 7a7957020f9c87c1397b107ccbfb570fdd2edce9..2d2143e317aea4c1631358acd912090cb221ab8e 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-19.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-19.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.67.19"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:d::13",
+      "kavlan-11": "2001:660:4406:58b:d::13",
+      "kavlan-12": "2001:660:4406:58c:d::13",
+      "kavlan-13": "2001:660:4406:58d:d::13",
+      "kavlan-14": "2001:660:4406:58e:d::13",
+      "kavlan-16": "2001:660:4406:590:d::13",
+      "kavlan-18": "2001:660:4406:592:d::13",
+      "kavlan-2": "2001:660:4406:582:d::13",
+      "kavlan-20": "2001:660:4406:594:d::13",
+      "kavlan-21": "2001:660:4406:595:d::13",
+      "kavlan-3": "2001:660:4406:583:d::13",
+      "kavlan-4": "2001:660:4406:584:d::13",
+      "kavlan-5": "2001:660:4406:585:d::13",
+      "kavlan-6": "2001:660:4406:586:d::13",
+      "kavlan-7": "2001:660:4406:587:d::13",
+      "kavlan-8": "2001:660:4406:588:d::13",
+      "kavlan-9": "2001:660:4406:589:d::13"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-2.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-2.json
index 336fbbc3b8efaf6c961b1e573e0eedbe6a585aee..ccbf9b79a71ffec7833a43e95252be92ebbf6360 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-2.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-2.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.67.2"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:d::2",
+      "kavlan-11": "2001:660:4406:58b:d::2",
+      "kavlan-12": "2001:660:4406:58c:d::2",
+      "kavlan-13": "2001:660:4406:58d:d::2",
+      "kavlan-14": "2001:660:4406:58e:d::2",
+      "kavlan-16": "2001:660:4406:590:d::2",
+      "kavlan-18": "2001:660:4406:592:d::2",
+      "kavlan-2": "2001:660:4406:582:d::2",
+      "kavlan-20": "2001:660:4406:594:d::2",
+      "kavlan-21": "2001:660:4406:595:d::2",
+      "kavlan-3": "2001:660:4406:583:d::2",
+      "kavlan-4": "2001:660:4406:584:d::2",
+      "kavlan-5": "2001:660:4406:585:d::2",
+      "kavlan-6": "2001:660:4406:586:d::2",
+      "kavlan-7": "2001:660:4406:587:d::2",
+      "kavlan-8": "2001:660:4406:588:d::2",
+      "kavlan-9": "2001:660:4406:589:d::2"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-20.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-20.json
index 0b0f378dfe73e1aa289a698aa4ebe3ed8d250b44..0f4528b85bb25e37187469e1f1f1fc4982135134 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-20.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-20.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.67.20"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:d::14",
+      "kavlan-11": "2001:660:4406:58b:d::14",
+      "kavlan-12": "2001:660:4406:58c:d::14",
+      "kavlan-13": "2001:660:4406:58d:d::14",
+      "kavlan-14": "2001:660:4406:58e:d::14",
+      "kavlan-16": "2001:660:4406:590:d::14",
+      "kavlan-18": "2001:660:4406:592:d::14",
+      "kavlan-2": "2001:660:4406:582:d::14",
+      "kavlan-20": "2001:660:4406:594:d::14",
+      "kavlan-21": "2001:660:4406:595:d::14",
+      "kavlan-3": "2001:660:4406:583:d::14",
+      "kavlan-4": "2001:660:4406:584:d::14",
+      "kavlan-5": "2001:660:4406:585:d::14",
+      "kavlan-6": "2001:660:4406:586:d::14",
+      "kavlan-7": "2001:660:4406:587:d::14",
+      "kavlan-8": "2001:660:4406:588:d::14",
+      "kavlan-9": "2001:660:4406:589:d::14"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-21.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-21.json
index 06be59999d8554c0b7d377bdb8f843ee45228839..44c5188c6c85e253a81d2fbd39eab036dad0e250 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-21.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-21.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.67.21"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:d::15",
+      "kavlan-11": "2001:660:4406:58b:d::15",
+      "kavlan-12": "2001:660:4406:58c:d::15",
+      "kavlan-13": "2001:660:4406:58d:d::15",
+      "kavlan-14": "2001:660:4406:58e:d::15",
+      "kavlan-16": "2001:660:4406:590:d::15",
+      "kavlan-18": "2001:660:4406:592:d::15",
+      "kavlan-2": "2001:660:4406:582:d::15",
+      "kavlan-20": "2001:660:4406:594:d::15",
+      "kavlan-21": "2001:660:4406:595:d::15",
+      "kavlan-3": "2001:660:4406:583:d::15",
+      "kavlan-4": "2001:660:4406:584:d::15",
+      "kavlan-5": "2001:660:4406:585:d::15",
+      "kavlan-6": "2001:660:4406:586:d::15",
+      "kavlan-7": "2001:660:4406:587:d::15",
+      "kavlan-8": "2001:660:4406:588:d::15",
+      "kavlan-9": "2001:660:4406:589:d::15"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-22.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-22.json
index 644a9818fb9901a394f5a815dfb57c09516756e8..4cd01fde6bf19dcaf5c5733dd3b16f8e3b123a71 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-22.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-22.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.67.22"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:d::16",
+      "kavlan-11": "2001:660:4406:58b:d::16",
+      "kavlan-12": "2001:660:4406:58c:d::16",
+      "kavlan-13": "2001:660:4406:58d:d::16",
+      "kavlan-14": "2001:660:4406:58e:d::16",
+      "kavlan-16": "2001:660:4406:590:d::16",
+      "kavlan-18": "2001:660:4406:592:d::16",
+      "kavlan-2": "2001:660:4406:582:d::16",
+      "kavlan-20": "2001:660:4406:594:d::16",
+      "kavlan-21": "2001:660:4406:595:d::16",
+      "kavlan-3": "2001:660:4406:583:d::16",
+      "kavlan-4": "2001:660:4406:584:d::16",
+      "kavlan-5": "2001:660:4406:585:d::16",
+      "kavlan-6": "2001:660:4406:586:d::16",
+      "kavlan-7": "2001:660:4406:587:d::16",
+      "kavlan-8": "2001:660:4406:588:d::16",
+      "kavlan-9": "2001:660:4406:589:d::16"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-23.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-23.json
index 3c915122a846eb1f17bd83281f2ea316a786bf8a..4af979563ee279331a7583d72092b4e628421e89 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-23.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-23.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.67.23"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:d::17",
+      "kavlan-11": "2001:660:4406:58b:d::17",
+      "kavlan-12": "2001:660:4406:58c:d::17",
+      "kavlan-13": "2001:660:4406:58d:d::17",
+      "kavlan-14": "2001:660:4406:58e:d::17",
+      "kavlan-16": "2001:660:4406:590:d::17",
+      "kavlan-18": "2001:660:4406:592:d::17",
+      "kavlan-2": "2001:660:4406:582:d::17",
+      "kavlan-20": "2001:660:4406:594:d::17",
+      "kavlan-21": "2001:660:4406:595:d::17",
+      "kavlan-3": "2001:660:4406:583:d::17",
+      "kavlan-4": "2001:660:4406:584:d::17",
+      "kavlan-5": "2001:660:4406:585:d::17",
+      "kavlan-6": "2001:660:4406:586:d::17",
+      "kavlan-7": "2001:660:4406:587:d::17",
+      "kavlan-8": "2001:660:4406:588:d::17",
+      "kavlan-9": "2001:660:4406:589:d::17"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-24.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-24.json
index 5a75c04ad693fc949348288e0853a65ec6a9b5aa..e694333b0be1f6e4ab396a87aa9f08ad763307a3 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-24.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-24.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.67.24"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:d::18",
+      "kavlan-11": "2001:660:4406:58b:d::18",
+      "kavlan-12": "2001:660:4406:58c:d::18",
+      "kavlan-13": "2001:660:4406:58d:d::18",
+      "kavlan-14": "2001:660:4406:58e:d::18",
+      "kavlan-16": "2001:660:4406:590:d::18",
+      "kavlan-18": "2001:660:4406:592:d::18",
+      "kavlan-2": "2001:660:4406:582:d::18",
+      "kavlan-20": "2001:660:4406:594:d::18",
+      "kavlan-21": "2001:660:4406:595:d::18",
+      "kavlan-3": "2001:660:4406:583:d::18",
+      "kavlan-4": "2001:660:4406:584:d::18",
+      "kavlan-5": "2001:660:4406:585:d::18",
+      "kavlan-6": "2001:660:4406:586:d::18",
+      "kavlan-7": "2001:660:4406:587:d::18",
+      "kavlan-8": "2001:660:4406:588:d::18",
+      "kavlan-9": "2001:660:4406:589:d::18"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-25.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-25.json
index 2257c6bd6f767bec61776b46cad5109f8b13fcda..18f613f431a4bc42f62193308db475037cff2813 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-25.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-25.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.67.25"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:d::19",
+      "kavlan-11": "2001:660:4406:58b:d::19",
+      "kavlan-12": "2001:660:4406:58c:d::19",
+      "kavlan-13": "2001:660:4406:58d:d::19",
+      "kavlan-14": "2001:660:4406:58e:d::19",
+      "kavlan-16": "2001:660:4406:590:d::19",
+      "kavlan-18": "2001:660:4406:592:d::19",
+      "kavlan-2": "2001:660:4406:582:d::19",
+      "kavlan-20": "2001:660:4406:594:d::19",
+      "kavlan-21": "2001:660:4406:595:d::19",
+      "kavlan-3": "2001:660:4406:583:d::19",
+      "kavlan-4": "2001:660:4406:584:d::19",
+      "kavlan-5": "2001:660:4406:585:d::19",
+      "kavlan-6": "2001:660:4406:586:d::19",
+      "kavlan-7": "2001:660:4406:587:d::19",
+      "kavlan-8": "2001:660:4406:588:d::19",
+      "kavlan-9": "2001:660:4406:589:d::19"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-26.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-26.json
index 99c052174c00715a1a016254623a9579424640a0..3edf36fb4b725b72479d21cbc23f26caeaea2420 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-26.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-26.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.67.26"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:d::1a",
+      "kavlan-11": "2001:660:4406:58b:d::1a",
+      "kavlan-12": "2001:660:4406:58c:d::1a",
+      "kavlan-13": "2001:660:4406:58d:d::1a",
+      "kavlan-14": "2001:660:4406:58e:d::1a",
+      "kavlan-16": "2001:660:4406:590:d::1a",
+      "kavlan-18": "2001:660:4406:592:d::1a",
+      "kavlan-2": "2001:660:4406:582:d::1a",
+      "kavlan-20": "2001:660:4406:594:d::1a",
+      "kavlan-21": "2001:660:4406:595:d::1a",
+      "kavlan-3": "2001:660:4406:583:d::1a",
+      "kavlan-4": "2001:660:4406:584:d::1a",
+      "kavlan-5": "2001:660:4406:585:d::1a",
+      "kavlan-6": "2001:660:4406:586:d::1a",
+      "kavlan-7": "2001:660:4406:587:d::1a",
+      "kavlan-8": "2001:660:4406:588:d::1a",
+      "kavlan-9": "2001:660:4406:589:d::1a"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-27.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-27.json
index 231ab9fab87bad889b3ea858d905de89a7d6952d..c1ccd1081a6a51d8e8eeb3081373c4f8bad1e622 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-27.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-27.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.67.27"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:d::1b",
+      "kavlan-11": "2001:660:4406:58b:d::1b",
+      "kavlan-12": "2001:660:4406:58c:d::1b",
+      "kavlan-13": "2001:660:4406:58d:d::1b",
+      "kavlan-14": "2001:660:4406:58e:d::1b",
+      "kavlan-16": "2001:660:4406:590:d::1b",
+      "kavlan-18": "2001:660:4406:592:d::1b",
+      "kavlan-2": "2001:660:4406:582:d::1b",
+      "kavlan-20": "2001:660:4406:594:d::1b",
+      "kavlan-21": "2001:660:4406:595:d::1b",
+      "kavlan-3": "2001:660:4406:583:d::1b",
+      "kavlan-4": "2001:660:4406:584:d::1b",
+      "kavlan-5": "2001:660:4406:585:d::1b",
+      "kavlan-6": "2001:660:4406:586:d::1b",
+      "kavlan-7": "2001:660:4406:587:d::1b",
+      "kavlan-8": "2001:660:4406:588:d::1b",
+      "kavlan-9": "2001:660:4406:589:d::1b"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-28.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-28.json
index 7e0f00e85c57a0f54aded1faa6c3300a261831b6..9d51a39c933511be7a412790d1ced68b1d459efb 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-28.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-28.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.67.28"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:d::1c",
+      "kavlan-11": "2001:660:4406:58b:d::1c",
+      "kavlan-12": "2001:660:4406:58c:d::1c",
+      "kavlan-13": "2001:660:4406:58d:d::1c",
+      "kavlan-14": "2001:660:4406:58e:d::1c",
+      "kavlan-16": "2001:660:4406:590:d::1c",
+      "kavlan-18": "2001:660:4406:592:d::1c",
+      "kavlan-2": "2001:660:4406:582:d::1c",
+      "kavlan-20": "2001:660:4406:594:d::1c",
+      "kavlan-21": "2001:660:4406:595:d::1c",
+      "kavlan-3": "2001:660:4406:583:d::1c",
+      "kavlan-4": "2001:660:4406:584:d::1c",
+      "kavlan-5": "2001:660:4406:585:d::1c",
+      "kavlan-6": "2001:660:4406:586:d::1c",
+      "kavlan-7": "2001:660:4406:587:d::1c",
+      "kavlan-8": "2001:660:4406:588:d::1c",
+      "kavlan-9": "2001:660:4406:589:d::1c"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-29.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-29.json
index b4c008f95e2dd982fff973e527344cf5d219ee4d..ee4c497d71617396b24d7459903bc3a0a626fa85 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-29.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-29.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.67.29"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:d::1d",
+      "kavlan-11": "2001:660:4406:58b:d::1d",
+      "kavlan-12": "2001:660:4406:58c:d::1d",
+      "kavlan-13": "2001:660:4406:58d:d::1d",
+      "kavlan-14": "2001:660:4406:58e:d::1d",
+      "kavlan-16": "2001:660:4406:590:d::1d",
+      "kavlan-18": "2001:660:4406:592:d::1d",
+      "kavlan-2": "2001:660:4406:582:d::1d",
+      "kavlan-20": "2001:660:4406:594:d::1d",
+      "kavlan-21": "2001:660:4406:595:d::1d",
+      "kavlan-3": "2001:660:4406:583:d::1d",
+      "kavlan-4": "2001:660:4406:584:d::1d",
+      "kavlan-5": "2001:660:4406:585:d::1d",
+      "kavlan-6": "2001:660:4406:586:d::1d",
+      "kavlan-7": "2001:660:4406:587:d::1d",
+      "kavlan-8": "2001:660:4406:588:d::1d",
+      "kavlan-9": "2001:660:4406:589:d::1d"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-3.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-3.json
index 20c32dd5f78bb7ddf4faa4957a4a7fc54272a5d6..a501e2ec412c0afb5a632550edfbf4b85f7b0c35 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-3.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-3.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.67.3"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:d::3",
+      "kavlan-11": "2001:660:4406:58b:d::3",
+      "kavlan-12": "2001:660:4406:58c:d::3",
+      "kavlan-13": "2001:660:4406:58d:d::3",
+      "kavlan-14": "2001:660:4406:58e:d::3",
+      "kavlan-16": "2001:660:4406:590:d::3",
+      "kavlan-18": "2001:660:4406:592:d::3",
+      "kavlan-2": "2001:660:4406:582:d::3",
+      "kavlan-20": "2001:660:4406:594:d::3",
+      "kavlan-21": "2001:660:4406:595:d::3",
+      "kavlan-3": "2001:660:4406:583:d::3",
+      "kavlan-4": "2001:660:4406:584:d::3",
+      "kavlan-5": "2001:660:4406:585:d::3",
+      "kavlan-6": "2001:660:4406:586:d::3",
+      "kavlan-7": "2001:660:4406:587:d::3",
+      "kavlan-8": "2001:660:4406:588:d::3",
+      "kavlan-9": "2001:660:4406:589:d::3"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-30.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-30.json
index a770d1de4332397db65a95ca78b914a1672cb756..df50c9cb0749ef9cac68aea896db94a6135a13c0 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-30.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-30.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.67.30"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:d::1e",
+      "kavlan-11": "2001:660:4406:58b:d::1e",
+      "kavlan-12": "2001:660:4406:58c:d::1e",
+      "kavlan-13": "2001:660:4406:58d:d::1e",
+      "kavlan-14": "2001:660:4406:58e:d::1e",
+      "kavlan-16": "2001:660:4406:590:d::1e",
+      "kavlan-18": "2001:660:4406:592:d::1e",
+      "kavlan-2": "2001:660:4406:582:d::1e",
+      "kavlan-20": "2001:660:4406:594:d::1e",
+      "kavlan-21": "2001:660:4406:595:d::1e",
+      "kavlan-3": "2001:660:4406:583:d::1e",
+      "kavlan-4": "2001:660:4406:584:d::1e",
+      "kavlan-5": "2001:660:4406:585:d::1e",
+      "kavlan-6": "2001:660:4406:586:d::1e",
+      "kavlan-7": "2001:660:4406:587:d::1e",
+      "kavlan-8": "2001:660:4406:588:d::1e",
+      "kavlan-9": "2001:660:4406:589:d::1e"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-31.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-31.json
index 6306395e45a523b7a27e86683e2e89688980ba2c..16ee423596b4173b0376459da40857fdb4bc2c5e 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-31.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-31.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.67.31"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:d::1f",
+      "kavlan-11": "2001:660:4406:58b:d::1f",
+      "kavlan-12": "2001:660:4406:58c:d::1f",
+      "kavlan-13": "2001:660:4406:58d:d::1f",
+      "kavlan-14": "2001:660:4406:58e:d::1f",
+      "kavlan-16": "2001:660:4406:590:d::1f",
+      "kavlan-18": "2001:660:4406:592:d::1f",
+      "kavlan-2": "2001:660:4406:582:d::1f",
+      "kavlan-20": "2001:660:4406:594:d::1f",
+      "kavlan-21": "2001:660:4406:595:d::1f",
+      "kavlan-3": "2001:660:4406:583:d::1f",
+      "kavlan-4": "2001:660:4406:584:d::1f",
+      "kavlan-5": "2001:660:4406:585:d::1f",
+      "kavlan-6": "2001:660:4406:586:d::1f",
+      "kavlan-7": "2001:660:4406:587:d::1f",
+      "kavlan-8": "2001:660:4406:588:d::1f",
+      "kavlan-9": "2001:660:4406:589:d::1f"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-32.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-32.json
index 7ea257fba5e91f7ae6f15e9211abab952e0477f4..5b0ac62335e10f42dbfc73e92b2268a32b6c6c89 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-32.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-32.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.67.32"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:d::20",
+      "kavlan-11": "2001:660:4406:58b:d::20",
+      "kavlan-12": "2001:660:4406:58c:d::20",
+      "kavlan-13": "2001:660:4406:58d:d::20",
+      "kavlan-14": "2001:660:4406:58e:d::20",
+      "kavlan-16": "2001:660:4406:590:d::20",
+      "kavlan-18": "2001:660:4406:592:d::20",
+      "kavlan-2": "2001:660:4406:582:d::20",
+      "kavlan-20": "2001:660:4406:594:d::20",
+      "kavlan-21": "2001:660:4406:595:d::20",
+      "kavlan-3": "2001:660:4406:583:d::20",
+      "kavlan-4": "2001:660:4406:584:d::20",
+      "kavlan-5": "2001:660:4406:585:d::20",
+      "kavlan-6": "2001:660:4406:586:d::20",
+      "kavlan-7": "2001:660:4406:587:d::20",
+      "kavlan-8": "2001:660:4406:588:d::20",
+      "kavlan-9": "2001:660:4406:589:d::20"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-33.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-33.json
index 70d2a763cabcfcd4cf08aeef5822f973b405561f..bc8b3cd65b3abfb69992860ecda3e987a50a45c6 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-33.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-33.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.67.33"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:d::21",
+      "kavlan-11": "2001:660:4406:58b:d::21",
+      "kavlan-12": "2001:660:4406:58c:d::21",
+      "kavlan-13": "2001:660:4406:58d:d::21",
+      "kavlan-14": "2001:660:4406:58e:d::21",
+      "kavlan-16": "2001:660:4406:590:d::21",
+      "kavlan-18": "2001:660:4406:592:d::21",
+      "kavlan-2": "2001:660:4406:582:d::21",
+      "kavlan-20": "2001:660:4406:594:d::21",
+      "kavlan-21": "2001:660:4406:595:d::21",
+      "kavlan-3": "2001:660:4406:583:d::21",
+      "kavlan-4": "2001:660:4406:584:d::21",
+      "kavlan-5": "2001:660:4406:585:d::21",
+      "kavlan-6": "2001:660:4406:586:d::21",
+      "kavlan-7": "2001:660:4406:587:d::21",
+      "kavlan-8": "2001:660:4406:588:d::21",
+      "kavlan-9": "2001:660:4406:589:d::21"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-34.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-34.json
index efae1fc3dd829dfdf36e44dbff022ff531bed3bf..98740bcbe0ba432735af3106f9a18e86e6611b0b 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-34.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-34.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.67.34"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:d::22",
+      "kavlan-11": "2001:660:4406:58b:d::22",
+      "kavlan-12": "2001:660:4406:58c:d::22",
+      "kavlan-13": "2001:660:4406:58d:d::22",
+      "kavlan-14": "2001:660:4406:58e:d::22",
+      "kavlan-16": "2001:660:4406:590:d::22",
+      "kavlan-18": "2001:660:4406:592:d::22",
+      "kavlan-2": "2001:660:4406:582:d::22",
+      "kavlan-20": "2001:660:4406:594:d::22",
+      "kavlan-21": "2001:660:4406:595:d::22",
+      "kavlan-3": "2001:660:4406:583:d::22",
+      "kavlan-4": "2001:660:4406:584:d::22",
+      "kavlan-5": "2001:660:4406:585:d::22",
+      "kavlan-6": "2001:660:4406:586:d::22",
+      "kavlan-7": "2001:660:4406:587:d::22",
+      "kavlan-8": "2001:660:4406:588:d::22",
+      "kavlan-9": "2001:660:4406:589:d::22"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-35.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-35.json
index f50a6aaa228905904468162d1d809a4933eb5efe..38f2e4009303ce94ce0fbe5aa61e759cd8a8c807 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-35.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-35.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.67.35"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:d::23",
+      "kavlan-11": "2001:660:4406:58b:d::23",
+      "kavlan-12": "2001:660:4406:58c:d::23",
+      "kavlan-13": "2001:660:4406:58d:d::23",
+      "kavlan-14": "2001:660:4406:58e:d::23",
+      "kavlan-16": "2001:660:4406:590:d::23",
+      "kavlan-18": "2001:660:4406:592:d::23",
+      "kavlan-2": "2001:660:4406:582:d::23",
+      "kavlan-20": "2001:660:4406:594:d::23",
+      "kavlan-21": "2001:660:4406:595:d::23",
+      "kavlan-3": "2001:660:4406:583:d::23",
+      "kavlan-4": "2001:660:4406:584:d::23",
+      "kavlan-5": "2001:660:4406:585:d::23",
+      "kavlan-6": "2001:660:4406:586:d::23",
+      "kavlan-7": "2001:660:4406:587:d::23",
+      "kavlan-8": "2001:660:4406:588:d::23",
+      "kavlan-9": "2001:660:4406:589:d::23"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-36.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-36.json
index 1ce9d54015323647975151e205f205562e0aee68..cbec02583e6f79f98765c9b327eda126ab89b253 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-36.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-36.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.67.36"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:d::24",
+      "kavlan-11": "2001:660:4406:58b:d::24",
+      "kavlan-12": "2001:660:4406:58c:d::24",
+      "kavlan-13": "2001:660:4406:58d:d::24",
+      "kavlan-14": "2001:660:4406:58e:d::24",
+      "kavlan-16": "2001:660:4406:590:d::24",
+      "kavlan-18": "2001:660:4406:592:d::24",
+      "kavlan-2": "2001:660:4406:582:d::24",
+      "kavlan-20": "2001:660:4406:594:d::24",
+      "kavlan-21": "2001:660:4406:595:d::24",
+      "kavlan-3": "2001:660:4406:583:d::24",
+      "kavlan-4": "2001:660:4406:584:d::24",
+      "kavlan-5": "2001:660:4406:585:d::24",
+      "kavlan-6": "2001:660:4406:586:d::24",
+      "kavlan-7": "2001:660:4406:587:d::24",
+      "kavlan-8": "2001:660:4406:588:d::24",
+      "kavlan-9": "2001:660:4406:589:d::24"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-37.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-37.json
index 08a6063825fab4c0e5ce73af322092ce9607ba21..fa24ebfcdee844bdcd17df9992f0b99612131756 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-37.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-37.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.67.37"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:d::25",
+      "kavlan-11": "2001:660:4406:58b:d::25",
+      "kavlan-12": "2001:660:4406:58c:d::25",
+      "kavlan-13": "2001:660:4406:58d:d::25",
+      "kavlan-14": "2001:660:4406:58e:d::25",
+      "kavlan-16": "2001:660:4406:590:d::25",
+      "kavlan-18": "2001:660:4406:592:d::25",
+      "kavlan-2": "2001:660:4406:582:d::25",
+      "kavlan-20": "2001:660:4406:594:d::25",
+      "kavlan-21": "2001:660:4406:595:d::25",
+      "kavlan-3": "2001:660:4406:583:d::25",
+      "kavlan-4": "2001:660:4406:584:d::25",
+      "kavlan-5": "2001:660:4406:585:d::25",
+      "kavlan-6": "2001:660:4406:586:d::25",
+      "kavlan-7": "2001:660:4406:587:d::25",
+      "kavlan-8": "2001:660:4406:588:d::25",
+      "kavlan-9": "2001:660:4406:589:d::25"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-38.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-38.json
index 8d34397c7abba1eef51c71b9ac97d91e1aad7f3f..d2577a67a1e5297549160411c91dbb2b605bb835 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-38.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-38.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.67.38"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:d::26",
+      "kavlan-11": "2001:660:4406:58b:d::26",
+      "kavlan-12": "2001:660:4406:58c:d::26",
+      "kavlan-13": "2001:660:4406:58d:d::26",
+      "kavlan-14": "2001:660:4406:58e:d::26",
+      "kavlan-16": "2001:660:4406:590:d::26",
+      "kavlan-18": "2001:660:4406:592:d::26",
+      "kavlan-2": "2001:660:4406:582:d::26",
+      "kavlan-20": "2001:660:4406:594:d::26",
+      "kavlan-21": "2001:660:4406:595:d::26",
+      "kavlan-3": "2001:660:4406:583:d::26",
+      "kavlan-4": "2001:660:4406:584:d::26",
+      "kavlan-5": "2001:660:4406:585:d::26",
+      "kavlan-6": "2001:660:4406:586:d::26",
+      "kavlan-7": "2001:660:4406:587:d::26",
+      "kavlan-8": "2001:660:4406:588:d::26",
+      "kavlan-9": "2001:660:4406:589:d::26"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-39.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-39.json
index 207973b8dd8ce01bcda64f73bde7ec60da3f5286..21c0c786a6401ffb7a4a6b01bd77ca30a5fcbd6d 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-39.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-39.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.67.39"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:d::27",
+      "kavlan-11": "2001:660:4406:58b:d::27",
+      "kavlan-12": "2001:660:4406:58c:d::27",
+      "kavlan-13": "2001:660:4406:58d:d::27",
+      "kavlan-14": "2001:660:4406:58e:d::27",
+      "kavlan-16": "2001:660:4406:590:d::27",
+      "kavlan-18": "2001:660:4406:592:d::27",
+      "kavlan-2": "2001:660:4406:582:d::27",
+      "kavlan-20": "2001:660:4406:594:d::27",
+      "kavlan-21": "2001:660:4406:595:d::27",
+      "kavlan-3": "2001:660:4406:583:d::27",
+      "kavlan-4": "2001:660:4406:584:d::27",
+      "kavlan-5": "2001:660:4406:585:d::27",
+      "kavlan-6": "2001:660:4406:586:d::27",
+      "kavlan-7": "2001:660:4406:587:d::27",
+      "kavlan-8": "2001:660:4406:588:d::27",
+      "kavlan-9": "2001:660:4406:589:d::27"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-4.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-4.json
index 6466a68707eac556b5e3044de4002a61a62d4b95..b607dc1980f1de180ead186b1f4db2cf05ecb70e 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-4.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-4.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.67.4"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:d::4",
+      "kavlan-11": "2001:660:4406:58b:d::4",
+      "kavlan-12": "2001:660:4406:58c:d::4",
+      "kavlan-13": "2001:660:4406:58d:d::4",
+      "kavlan-14": "2001:660:4406:58e:d::4",
+      "kavlan-16": "2001:660:4406:590:d::4",
+      "kavlan-18": "2001:660:4406:592:d::4",
+      "kavlan-2": "2001:660:4406:582:d::4",
+      "kavlan-20": "2001:660:4406:594:d::4",
+      "kavlan-21": "2001:660:4406:595:d::4",
+      "kavlan-3": "2001:660:4406:583:d::4",
+      "kavlan-4": "2001:660:4406:584:d::4",
+      "kavlan-5": "2001:660:4406:585:d::4",
+      "kavlan-6": "2001:660:4406:586:d::4",
+      "kavlan-7": "2001:660:4406:587:d::4",
+      "kavlan-8": "2001:660:4406:588:d::4",
+      "kavlan-9": "2001:660:4406:589:d::4"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-40.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-40.json
index 71f3e28f1f0ccf8c6bc2f91f5ca5253385700d79..f874dd2c3d3919fcc79b563e6d8034b204373749 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-40.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-40.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.67.40"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:d::28",
+      "kavlan-11": "2001:660:4406:58b:d::28",
+      "kavlan-12": "2001:660:4406:58c:d::28",
+      "kavlan-13": "2001:660:4406:58d:d::28",
+      "kavlan-14": "2001:660:4406:58e:d::28",
+      "kavlan-16": "2001:660:4406:590:d::28",
+      "kavlan-18": "2001:660:4406:592:d::28",
+      "kavlan-2": "2001:660:4406:582:d::28",
+      "kavlan-20": "2001:660:4406:594:d::28",
+      "kavlan-21": "2001:660:4406:595:d::28",
+      "kavlan-3": "2001:660:4406:583:d::28",
+      "kavlan-4": "2001:660:4406:584:d::28",
+      "kavlan-5": "2001:660:4406:585:d::28",
+      "kavlan-6": "2001:660:4406:586:d::28",
+      "kavlan-7": "2001:660:4406:587:d::28",
+      "kavlan-8": "2001:660:4406:588:d::28",
+      "kavlan-9": "2001:660:4406:589:d::28"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-41.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-41.json
index 1d8869777374093f2c67eff2bc6f5370a43cee37..0d24e25acec2a05a0a7bb28b93456a6caedff747 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-41.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-41.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.67.41"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:d::29",
+      "kavlan-11": "2001:660:4406:58b:d::29",
+      "kavlan-12": "2001:660:4406:58c:d::29",
+      "kavlan-13": "2001:660:4406:58d:d::29",
+      "kavlan-14": "2001:660:4406:58e:d::29",
+      "kavlan-16": "2001:660:4406:590:d::29",
+      "kavlan-18": "2001:660:4406:592:d::29",
+      "kavlan-2": "2001:660:4406:582:d::29",
+      "kavlan-20": "2001:660:4406:594:d::29",
+      "kavlan-21": "2001:660:4406:595:d::29",
+      "kavlan-3": "2001:660:4406:583:d::29",
+      "kavlan-4": "2001:660:4406:584:d::29",
+      "kavlan-5": "2001:660:4406:585:d::29",
+      "kavlan-6": "2001:660:4406:586:d::29",
+      "kavlan-7": "2001:660:4406:587:d::29",
+      "kavlan-8": "2001:660:4406:588:d::29",
+      "kavlan-9": "2001:660:4406:589:d::29"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-42.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-42.json
index 21a32ef68d364c6f566d5354231c1f0aedfe9f14..c60ed63cb112718ee4200413701c4017c8e0f280 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-42.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-42.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.67.42"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:d::2a",
+      "kavlan-11": "2001:660:4406:58b:d::2a",
+      "kavlan-12": "2001:660:4406:58c:d::2a",
+      "kavlan-13": "2001:660:4406:58d:d::2a",
+      "kavlan-14": "2001:660:4406:58e:d::2a",
+      "kavlan-16": "2001:660:4406:590:d::2a",
+      "kavlan-18": "2001:660:4406:592:d::2a",
+      "kavlan-2": "2001:660:4406:582:d::2a",
+      "kavlan-20": "2001:660:4406:594:d::2a",
+      "kavlan-21": "2001:660:4406:595:d::2a",
+      "kavlan-3": "2001:660:4406:583:d::2a",
+      "kavlan-4": "2001:660:4406:584:d::2a",
+      "kavlan-5": "2001:660:4406:585:d::2a",
+      "kavlan-6": "2001:660:4406:586:d::2a",
+      "kavlan-7": "2001:660:4406:587:d::2a",
+      "kavlan-8": "2001:660:4406:588:d::2a",
+      "kavlan-9": "2001:660:4406:589:d::2a"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-43.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-43.json
index dec208ef07bd690364e798a236438b6c2a64f569..8ed9df95de1faa0c3c4ac7cce22319f89fe07332 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-43.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-43.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.67.43"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:d::2b",
+      "kavlan-11": "2001:660:4406:58b:d::2b",
+      "kavlan-12": "2001:660:4406:58c:d::2b",
+      "kavlan-13": "2001:660:4406:58d:d::2b",
+      "kavlan-14": "2001:660:4406:58e:d::2b",
+      "kavlan-16": "2001:660:4406:590:d::2b",
+      "kavlan-18": "2001:660:4406:592:d::2b",
+      "kavlan-2": "2001:660:4406:582:d::2b",
+      "kavlan-20": "2001:660:4406:594:d::2b",
+      "kavlan-21": "2001:660:4406:595:d::2b",
+      "kavlan-3": "2001:660:4406:583:d::2b",
+      "kavlan-4": "2001:660:4406:584:d::2b",
+      "kavlan-5": "2001:660:4406:585:d::2b",
+      "kavlan-6": "2001:660:4406:586:d::2b",
+      "kavlan-7": "2001:660:4406:587:d::2b",
+      "kavlan-8": "2001:660:4406:588:d::2b",
+      "kavlan-9": "2001:660:4406:589:d::2b"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-44.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-44.json
index 8d8e2d4d3388520538554ce0c30ee6d80c8bf563..c3d917861d654afda0903211312b9f3d29ebef2b 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-44.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-44.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.67.44"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:d::2c",
+      "kavlan-11": "2001:660:4406:58b:d::2c",
+      "kavlan-12": "2001:660:4406:58c:d::2c",
+      "kavlan-13": "2001:660:4406:58d:d::2c",
+      "kavlan-14": "2001:660:4406:58e:d::2c",
+      "kavlan-16": "2001:660:4406:590:d::2c",
+      "kavlan-18": "2001:660:4406:592:d::2c",
+      "kavlan-2": "2001:660:4406:582:d::2c",
+      "kavlan-20": "2001:660:4406:594:d::2c",
+      "kavlan-21": "2001:660:4406:595:d::2c",
+      "kavlan-3": "2001:660:4406:583:d::2c",
+      "kavlan-4": "2001:660:4406:584:d::2c",
+      "kavlan-5": "2001:660:4406:585:d::2c",
+      "kavlan-6": "2001:660:4406:586:d::2c",
+      "kavlan-7": "2001:660:4406:587:d::2c",
+      "kavlan-8": "2001:660:4406:588:d::2c",
+      "kavlan-9": "2001:660:4406:589:d::2c"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-45.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-45.json
index 804af69629e447128ebe0aa53568e01681d27f8d..c504199e4d7156b5633d0bafc4b403e9374b73f7 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-45.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-45.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.67.45"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:d::2d",
+      "kavlan-11": "2001:660:4406:58b:d::2d",
+      "kavlan-12": "2001:660:4406:58c:d::2d",
+      "kavlan-13": "2001:660:4406:58d:d::2d",
+      "kavlan-14": "2001:660:4406:58e:d::2d",
+      "kavlan-16": "2001:660:4406:590:d::2d",
+      "kavlan-18": "2001:660:4406:592:d::2d",
+      "kavlan-2": "2001:660:4406:582:d::2d",
+      "kavlan-20": "2001:660:4406:594:d::2d",
+      "kavlan-21": "2001:660:4406:595:d::2d",
+      "kavlan-3": "2001:660:4406:583:d::2d",
+      "kavlan-4": "2001:660:4406:584:d::2d",
+      "kavlan-5": "2001:660:4406:585:d::2d",
+      "kavlan-6": "2001:660:4406:586:d::2d",
+      "kavlan-7": "2001:660:4406:587:d::2d",
+      "kavlan-8": "2001:660:4406:588:d::2d",
+      "kavlan-9": "2001:660:4406:589:d::2d"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-46.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-46.json
index e09646309b593dee392c8288bbafdefb2a8af98b..fe4e54dc57d3516a025d2f6ee110d306831e8cb0 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-46.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-46.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.67.46"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:d::2e",
+      "kavlan-11": "2001:660:4406:58b:d::2e",
+      "kavlan-12": "2001:660:4406:58c:d::2e",
+      "kavlan-13": "2001:660:4406:58d:d::2e",
+      "kavlan-14": "2001:660:4406:58e:d::2e",
+      "kavlan-16": "2001:660:4406:590:d::2e",
+      "kavlan-18": "2001:660:4406:592:d::2e",
+      "kavlan-2": "2001:660:4406:582:d::2e",
+      "kavlan-20": "2001:660:4406:594:d::2e",
+      "kavlan-21": "2001:660:4406:595:d::2e",
+      "kavlan-3": "2001:660:4406:583:d::2e",
+      "kavlan-4": "2001:660:4406:584:d::2e",
+      "kavlan-5": "2001:660:4406:585:d::2e",
+      "kavlan-6": "2001:660:4406:586:d::2e",
+      "kavlan-7": "2001:660:4406:587:d::2e",
+      "kavlan-8": "2001:660:4406:588:d::2e",
+      "kavlan-9": "2001:660:4406:589:d::2e"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-47.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-47.json
index 62a57faf3414d9ed28bc34e783915ab975ed19df..b3609ab1b8ca6a2a1fe5a7dbb3978c0963525802 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-47.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-47.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.67.47"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:d::2f",
+      "kavlan-11": "2001:660:4406:58b:d::2f",
+      "kavlan-12": "2001:660:4406:58c:d::2f",
+      "kavlan-13": "2001:660:4406:58d:d::2f",
+      "kavlan-14": "2001:660:4406:58e:d::2f",
+      "kavlan-16": "2001:660:4406:590:d::2f",
+      "kavlan-18": "2001:660:4406:592:d::2f",
+      "kavlan-2": "2001:660:4406:582:d::2f",
+      "kavlan-20": "2001:660:4406:594:d::2f",
+      "kavlan-21": "2001:660:4406:595:d::2f",
+      "kavlan-3": "2001:660:4406:583:d::2f",
+      "kavlan-4": "2001:660:4406:584:d::2f",
+      "kavlan-5": "2001:660:4406:585:d::2f",
+      "kavlan-6": "2001:660:4406:586:d::2f",
+      "kavlan-7": "2001:660:4406:587:d::2f",
+      "kavlan-8": "2001:660:4406:588:d::2f",
+      "kavlan-9": "2001:660:4406:589:d::2f"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-48.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-48.json
index 876f463eb6e4f745340c03cb93410c785c0b1e07..70dff27d433d9af9006929583096f7ddd9708802 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-48.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-48.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.67.48"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:d::30",
+      "kavlan-11": "2001:660:4406:58b:d::30",
+      "kavlan-12": "2001:660:4406:58c:d::30",
+      "kavlan-13": "2001:660:4406:58d:d::30",
+      "kavlan-14": "2001:660:4406:58e:d::30",
+      "kavlan-16": "2001:660:4406:590:d::30",
+      "kavlan-18": "2001:660:4406:592:d::30",
+      "kavlan-2": "2001:660:4406:582:d::30",
+      "kavlan-20": "2001:660:4406:594:d::30",
+      "kavlan-21": "2001:660:4406:595:d::30",
+      "kavlan-3": "2001:660:4406:583:d::30",
+      "kavlan-4": "2001:660:4406:584:d::30",
+      "kavlan-5": "2001:660:4406:585:d::30",
+      "kavlan-6": "2001:660:4406:586:d::30",
+      "kavlan-7": "2001:660:4406:587:d::30",
+      "kavlan-8": "2001:660:4406:588:d::30",
+      "kavlan-9": "2001:660:4406:589:d::30"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-49.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-49.json
index f8c3cfff580e1e603ef990d81a5812e0c7f4a979..875b0d1acbc486899fb2098c7d0d63cb8ff4535b 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-49.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-49.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.67.49"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:d::31",
+      "kavlan-11": "2001:660:4406:58b:d::31",
+      "kavlan-12": "2001:660:4406:58c:d::31",
+      "kavlan-13": "2001:660:4406:58d:d::31",
+      "kavlan-14": "2001:660:4406:58e:d::31",
+      "kavlan-16": "2001:660:4406:590:d::31",
+      "kavlan-18": "2001:660:4406:592:d::31",
+      "kavlan-2": "2001:660:4406:582:d::31",
+      "kavlan-20": "2001:660:4406:594:d::31",
+      "kavlan-21": "2001:660:4406:595:d::31",
+      "kavlan-3": "2001:660:4406:583:d::31",
+      "kavlan-4": "2001:660:4406:584:d::31",
+      "kavlan-5": "2001:660:4406:585:d::31",
+      "kavlan-6": "2001:660:4406:586:d::31",
+      "kavlan-7": "2001:660:4406:587:d::31",
+      "kavlan-8": "2001:660:4406:588:d::31",
+      "kavlan-9": "2001:660:4406:589:d::31"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-5.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-5.json
index abcd01df9357d215fc5bf76cd141ef2e6aef03ee..c0a1bb94c73a991433c8c5570a332e43c90b9c15 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-5.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-5.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.67.5"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:d::5",
+      "kavlan-11": "2001:660:4406:58b:d::5",
+      "kavlan-12": "2001:660:4406:58c:d::5",
+      "kavlan-13": "2001:660:4406:58d:d::5",
+      "kavlan-14": "2001:660:4406:58e:d::5",
+      "kavlan-16": "2001:660:4406:590:d::5",
+      "kavlan-18": "2001:660:4406:592:d::5",
+      "kavlan-2": "2001:660:4406:582:d::5",
+      "kavlan-20": "2001:660:4406:594:d::5",
+      "kavlan-21": "2001:660:4406:595:d::5",
+      "kavlan-3": "2001:660:4406:583:d::5",
+      "kavlan-4": "2001:660:4406:584:d::5",
+      "kavlan-5": "2001:660:4406:585:d::5",
+      "kavlan-6": "2001:660:4406:586:d::5",
+      "kavlan-7": "2001:660:4406:587:d::5",
+      "kavlan-8": "2001:660:4406:588:d::5",
+      "kavlan-9": "2001:660:4406:589:d::5"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-50.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-50.json
index b9625e1c95a33d89cae795417db4ff9a989873c3..cefd034cef659ae67a065ed7999d2f26dc66df72 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-50.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-50.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.67.50"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:d::32",
+      "kavlan-11": "2001:660:4406:58b:d::32",
+      "kavlan-12": "2001:660:4406:58c:d::32",
+      "kavlan-13": "2001:660:4406:58d:d::32",
+      "kavlan-14": "2001:660:4406:58e:d::32",
+      "kavlan-16": "2001:660:4406:590:d::32",
+      "kavlan-18": "2001:660:4406:592:d::32",
+      "kavlan-2": "2001:660:4406:582:d::32",
+      "kavlan-20": "2001:660:4406:594:d::32",
+      "kavlan-21": "2001:660:4406:595:d::32",
+      "kavlan-3": "2001:660:4406:583:d::32",
+      "kavlan-4": "2001:660:4406:584:d::32",
+      "kavlan-5": "2001:660:4406:585:d::32",
+      "kavlan-6": "2001:660:4406:586:d::32",
+      "kavlan-7": "2001:660:4406:587:d::32",
+      "kavlan-8": "2001:660:4406:588:d::32",
+      "kavlan-9": "2001:660:4406:589:d::32"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-51.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-51.json
index a481a267a6dc18afa70fa92535030717f3db2bfe..496d9303974421f395d1972f60b11de3c9088ea7 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-51.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-51.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.67.51"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:d::33",
+      "kavlan-11": "2001:660:4406:58b:d::33",
+      "kavlan-12": "2001:660:4406:58c:d::33",
+      "kavlan-13": "2001:660:4406:58d:d::33",
+      "kavlan-14": "2001:660:4406:58e:d::33",
+      "kavlan-16": "2001:660:4406:590:d::33",
+      "kavlan-18": "2001:660:4406:592:d::33",
+      "kavlan-2": "2001:660:4406:582:d::33",
+      "kavlan-20": "2001:660:4406:594:d::33",
+      "kavlan-21": "2001:660:4406:595:d::33",
+      "kavlan-3": "2001:660:4406:583:d::33",
+      "kavlan-4": "2001:660:4406:584:d::33",
+      "kavlan-5": "2001:660:4406:585:d::33",
+      "kavlan-6": "2001:660:4406:586:d::33",
+      "kavlan-7": "2001:660:4406:587:d::33",
+      "kavlan-8": "2001:660:4406:588:d::33",
+      "kavlan-9": "2001:660:4406:589:d::33"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-52.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-52.json
index d4549f6c25fac762b1862ed64f04ecb0e5970fee..2697295b6e140beb5a293ba69ca159b9d8868a43 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-52.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-52.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.67.52"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:d::34",
+      "kavlan-11": "2001:660:4406:58b:d::34",
+      "kavlan-12": "2001:660:4406:58c:d::34",
+      "kavlan-13": "2001:660:4406:58d:d::34",
+      "kavlan-14": "2001:660:4406:58e:d::34",
+      "kavlan-16": "2001:660:4406:590:d::34",
+      "kavlan-18": "2001:660:4406:592:d::34",
+      "kavlan-2": "2001:660:4406:582:d::34",
+      "kavlan-20": "2001:660:4406:594:d::34",
+      "kavlan-21": "2001:660:4406:595:d::34",
+      "kavlan-3": "2001:660:4406:583:d::34",
+      "kavlan-4": "2001:660:4406:584:d::34",
+      "kavlan-5": "2001:660:4406:585:d::34",
+      "kavlan-6": "2001:660:4406:586:d::34",
+      "kavlan-7": "2001:660:4406:587:d::34",
+      "kavlan-8": "2001:660:4406:588:d::34",
+      "kavlan-9": "2001:660:4406:589:d::34"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-53.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-53.json
index 1638c3115fa1481262af2a6a2ab16a797092379c..15b51fd8016c37ea4dad7512860859612dcf39b2 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-53.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-53.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.67.53"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:d::35",
+      "kavlan-11": "2001:660:4406:58b:d::35",
+      "kavlan-12": "2001:660:4406:58c:d::35",
+      "kavlan-13": "2001:660:4406:58d:d::35",
+      "kavlan-14": "2001:660:4406:58e:d::35",
+      "kavlan-16": "2001:660:4406:590:d::35",
+      "kavlan-18": "2001:660:4406:592:d::35",
+      "kavlan-2": "2001:660:4406:582:d::35",
+      "kavlan-20": "2001:660:4406:594:d::35",
+      "kavlan-21": "2001:660:4406:595:d::35",
+      "kavlan-3": "2001:660:4406:583:d::35",
+      "kavlan-4": "2001:660:4406:584:d::35",
+      "kavlan-5": "2001:660:4406:585:d::35",
+      "kavlan-6": "2001:660:4406:586:d::35",
+      "kavlan-7": "2001:660:4406:587:d::35",
+      "kavlan-8": "2001:660:4406:588:d::35",
+      "kavlan-9": "2001:660:4406:589:d::35"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-54.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-54.json
index b44b112369a7ea046cf2fa03b3e59962d14225fa..95ad649733cce6bc861dab7827cd1845df6ce5bf 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-54.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-54.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.67.54"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:d::36",
+      "kavlan-11": "2001:660:4406:58b:d::36",
+      "kavlan-12": "2001:660:4406:58c:d::36",
+      "kavlan-13": "2001:660:4406:58d:d::36",
+      "kavlan-14": "2001:660:4406:58e:d::36",
+      "kavlan-16": "2001:660:4406:590:d::36",
+      "kavlan-18": "2001:660:4406:592:d::36",
+      "kavlan-2": "2001:660:4406:582:d::36",
+      "kavlan-20": "2001:660:4406:594:d::36",
+      "kavlan-21": "2001:660:4406:595:d::36",
+      "kavlan-3": "2001:660:4406:583:d::36",
+      "kavlan-4": "2001:660:4406:584:d::36",
+      "kavlan-5": "2001:660:4406:585:d::36",
+      "kavlan-6": "2001:660:4406:586:d::36",
+      "kavlan-7": "2001:660:4406:587:d::36",
+      "kavlan-8": "2001:660:4406:588:d::36",
+      "kavlan-9": "2001:660:4406:589:d::36"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-55.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-55.json
index 290b6b2eddb8cc2ea5ac693841686e52fbd1ef87..73298c35ffd50919cab51234ca1b25e1f2f90971 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-55.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-55.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.67.55"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:d::37",
+      "kavlan-11": "2001:660:4406:58b:d::37",
+      "kavlan-12": "2001:660:4406:58c:d::37",
+      "kavlan-13": "2001:660:4406:58d:d::37",
+      "kavlan-14": "2001:660:4406:58e:d::37",
+      "kavlan-16": "2001:660:4406:590:d::37",
+      "kavlan-18": "2001:660:4406:592:d::37",
+      "kavlan-2": "2001:660:4406:582:d::37",
+      "kavlan-20": "2001:660:4406:594:d::37",
+      "kavlan-21": "2001:660:4406:595:d::37",
+      "kavlan-3": "2001:660:4406:583:d::37",
+      "kavlan-4": "2001:660:4406:584:d::37",
+      "kavlan-5": "2001:660:4406:585:d::37",
+      "kavlan-6": "2001:660:4406:586:d::37",
+      "kavlan-7": "2001:660:4406:587:d::37",
+      "kavlan-8": "2001:660:4406:588:d::37",
+      "kavlan-9": "2001:660:4406:589:d::37"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-56.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-56.json
index 9a75cd9de26256d481007a9b7257f514d8ba9021..685faa59f3ce595a8699580f7c80dca5e3a8b25d 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-56.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-56.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.67.56"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:d::38",
+      "kavlan-11": "2001:660:4406:58b:d::38",
+      "kavlan-12": "2001:660:4406:58c:d::38",
+      "kavlan-13": "2001:660:4406:58d:d::38",
+      "kavlan-14": "2001:660:4406:58e:d::38",
+      "kavlan-16": "2001:660:4406:590:d::38",
+      "kavlan-18": "2001:660:4406:592:d::38",
+      "kavlan-2": "2001:660:4406:582:d::38",
+      "kavlan-20": "2001:660:4406:594:d::38",
+      "kavlan-21": "2001:660:4406:595:d::38",
+      "kavlan-3": "2001:660:4406:583:d::38",
+      "kavlan-4": "2001:660:4406:584:d::38",
+      "kavlan-5": "2001:660:4406:585:d::38",
+      "kavlan-6": "2001:660:4406:586:d::38",
+      "kavlan-7": "2001:660:4406:587:d::38",
+      "kavlan-8": "2001:660:4406:588:d::38",
+      "kavlan-9": "2001:660:4406:589:d::38"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-57.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-57.json
index e7007eee59a9738f79ac2bb284505c3105123932..0ed07efa0c545bea0a35c7e28b1c6876b500dcba 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-57.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-57.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.67.57"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:d::39",
+      "kavlan-11": "2001:660:4406:58b:d::39",
+      "kavlan-12": "2001:660:4406:58c:d::39",
+      "kavlan-13": "2001:660:4406:58d:d::39",
+      "kavlan-14": "2001:660:4406:58e:d::39",
+      "kavlan-16": "2001:660:4406:590:d::39",
+      "kavlan-18": "2001:660:4406:592:d::39",
+      "kavlan-2": "2001:660:4406:582:d::39",
+      "kavlan-20": "2001:660:4406:594:d::39",
+      "kavlan-21": "2001:660:4406:595:d::39",
+      "kavlan-3": "2001:660:4406:583:d::39",
+      "kavlan-4": "2001:660:4406:584:d::39",
+      "kavlan-5": "2001:660:4406:585:d::39",
+      "kavlan-6": "2001:660:4406:586:d::39",
+      "kavlan-7": "2001:660:4406:587:d::39",
+      "kavlan-8": "2001:660:4406:588:d::39",
+      "kavlan-9": "2001:660:4406:589:d::39"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-58.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-58.json
index 914bca715a48c6119df6148759155f978b274688..fb8946d0b933be2069a6acb1d98c69573f32c6cc 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-58.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-58.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.67.58"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:d::3a",
+      "kavlan-11": "2001:660:4406:58b:d::3a",
+      "kavlan-12": "2001:660:4406:58c:d::3a",
+      "kavlan-13": "2001:660:4406:58d:d::3a",
+      "kavlan-14": "2001:660:4406:58e:d::3a",
+      "kavlan-16": "2001:660:4406:590:d::3a",
+      "kavlan-18": "2001:660:4406:592:d::3a",
+      "kavlan-2": "2001:660:4406:582:d::3a",
+      "kavlan-20": "2001:660:4406:594:d::3a",
+      "kavlan-21": "2001:660:4406:595:d::3a",
+      "kavlan-3": "2001:660:4406:583:d::3a",
+      "kavlan-4": "2001:660:4406:584:d::3a",
+      "kavlan-5": "2001:660:4406:585:d::3a",
+      "kavlan-6": "2001:660:4406:586:d::3a",
+      "kavlan-7": "2001:660:4406:587:d::3a",
+      "kavlan-8": "2001:660:4406:588:d::3a",
+      "kavlan-9": "2001:660:4406:589:d::3a"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-59.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-59.json
index 3d86a9eb6f6ba4d3ecb368125a9128a4f084f895..f4c623ba17f018f83daad9da07ee8814cdc78e6f 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-59.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-59.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.67.59"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:d::3b",
+      "kavlan-11": "2001:660:4406:58b:d::3b",
+      "kavlan-12": "2001:660:4406:58c:d::3b",
+      "kavlan-13": "2001:660:4406:58d:d::3b",
+      "kavlan-14": "2001:660:4406:58e:d::3b",
+      "kavlan-16": "2001:660:4406:590:d::3b",
+      "kavlan-18": "2001:660:4406:592:d::3b",
+      "kavlan-2": "2001:660:4406:582:d::3b",
+      "kavlan-20": "2001:660:4406:594:d::3b",
+      "kavlan-21": "2001:660:4406:595:d::3b",
+      "kavlan-3": "2001:660:4406:583:d::3b",
+      "kavlan-4": "2001:660:4406:584:d::3b",
+      "kavlan-5": "2001:660:4406:585:d::3b",
+      "kavlan-6": "2001:660:4406:586:d::3b",
+      "kavlan-7": "2001:660:4406:587:d::3b",
+      "kavlan-8": "2001:660:4406:588:d::3b",
+      "kavlan-9": "2001:660:4406:589:d::3b"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-6.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-6.json
index a08e01019877c9e061a1a86c35d784f31661cf16..ba290591646d29400ab033737e5c2cb9a4c5fbb9 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-6.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-6.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.67.6"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:d::6",
+      "kavlan-11": "2001:660:4406:58b:d::6",
+      "kavlan-12": "2001:660:4406:58c:d::6",
+      "kavlan-13": "2001:660:4406:58d:d::6",
+      "kavlan-14": "2001:660:4406:58e:d::6",
+      "kavlan-16": "2001:660:4406:590:d::6",
+      "kavlan-18": "2001:660:4406:592:d::6",
+      "kavlan-2": "2001:660:4406:582:d::6",
+      "kavlan-20": "2001:660:4406:594:d::6",
+      "kavlan-21": "2001:660:4406:595:d::6",
+      "kavlan-3": "2001:660:4406:583:d::6",
+      "kavlan-4": "2001:660:4406:584:d::6",
+      "kavlan-5": "2001:660:4406:585:d::6",
+      "kavlan-6": "2001:660:4406:586:d::6",
+      "kavlan-7": "2001:660:4406:587:d::6",
+      "kavlan-8": "2001:660:4406:588:d::6",
+      "kavlan-9": "2001:660:4406:589:d::6"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-60.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-60.json
index 42c6e3170485e568a590a5566c68d7eb967a7292..9c16d5d710462ea4ce91e5f2787318ec5916073e 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-60.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-60.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.67.60"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:d::3c",
+      "kavlan-11": "2001:660:4406:58b:d::3c",
+      "kavlan-12": "2001:660:4406:58c:d::3c",
+      "kavlan-13": "2001:660:4406:58d:d::3c",
+      "kavlan-14": "2001:660:4406:58e:d::3c",
+      "kavlan-16": "2001:660:4406:590:d::3c",
+      "kavlan-18": "2001:660:4406:592:d::3c",
+      "kavlan-2": "2001:660:4406:582:d::3c",
+      "kavlan-20": "2001:660:4406:594:d::3c",
+      "kavlan-21": "2001:660:4406:595:d::3c",
+      "kavlan-3": "2001:660:4406:583:d::3c",
+      "kavlan-4": "2001:660:4406:584:d::3c",
+      "kavlan-5": "2001:660:4406:585:d::3c",
+      "kavlan-6": "2001:660:4406:586:d::3c",
+      "kavlan-7": "2001:660:4406:587:d::3c",
+      "kavlan-8": "2001:660:4406:588:d::3c",
+      "kavlan-9": "2001:660:4406:589:d::3c"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-61.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-61.json
index 22bcb56f69728f8a2f733a0dd4d8b7ef92ce3498..eb627750df3c90f578e35a7b4ad5fa1f05fabcde 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-61.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-61.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.67.61"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:d::3d",
+      "kavlan-11": "2001:660:4406:58b:d::3d",
+      "kavlan-12": "2001:660:4406:58c:d::3d",
+      "kavlan-13": "2001:660:4406:58d:d::3d",
+      "kavlan-14": "2001:660:4406:58e:d::3d",
+      "kavlan-16": "2001:660:4406:590:d::3d",
+      "kavlan-18": "2001:660:4406:592:d::3d",
+      "kavlan-2": "2001:660:4406:582:d::3d",
+      "kavlan-20": "2001:660:4406:594:d::3d",
+      "kavlan-21": "2001:660:4406:595:d::3d",
+      "kavlan-3": "2001:660:4406:583:d::3d",
+      "kavlan-4": "2001:660:4406:584:d::3d",
+      "kavlan-5": "2001:660:4406:585:d::3d",
+      "kavlan-6": "2001:660:4406:586:d::3d",
+      "kavlan-7": "2001:660:4406:587:d::3d",
+      "kavlan-8": "2001:660:4406:588:d::3d",
+      "kavlan-9": "2001:660:4406:589:d::3d"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-62.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-62.json
index ed25c9a313ce4833df7ae52e53a642a56cfa1978..e1febc7682b7be434a6b1d602553e59c47fc5aa1 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-62.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-62.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.67.62"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:d::3e",
+      "kavlan-11": "2001:660:4406:58b:d::3e",
+      "kavlan-12": "2001:660:4406:58c:d::3e",
+      "kavlan-13": "2001:660:4406:58d:d::3e",
+      "kavlan-14": "2001:660:4406:58e:d::3e",
+      "kavlan-16": "2001:660:4406:590:d::3e",
+      "kavlan-18": "2001:660:4406:592:d::3e",
+      "kavlan-2": "2001:660:4406:582:d::3e",
+      "kavlan-20": "2001:660:4406:594:d::3e",
+      "kavlan-21": "2001:660:4406:595:d::3e",
+      "kavlan-3": "2001:660:4406:583:d::3e",
+      "kavlan-4": "2001:660:4406:584:d::3e",
+      "kavlan-5": "2001:660:4406:585:d::3e",
+      "kavlan-6": "2001:660:4406:586:d::3e",
+      "kavlan-7": "2001:660:4406:587:d::3e",
+      "kavlan-8": "2001:660:4406:588:d::3e",
+      "kavlan-9": "2001:660:4406:589:d::3e"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-63.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-63.json
index 256e5255c0e3692b689d9b49ff6f79cdc6b77fdc..6eb63e6f78c384d75636e9519c4c7d2b60d4efbc 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-63.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-63.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.67.63"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:d::3f",
+      "kavlan-11": "2001:660:4406:58b:d::3f",
+      "kavlan-12": "2001:660:4406:58c:d::3f",
+      "kavlan-13": "2001:660:4406:58d:d::3f",
+      "kavlan-14": "2001:660:4406:58e:d::3f",
+      "kavlan-16": "2001:660:4406:590:d::3f",
+      "kavlan-18": "2001:660:4406:592:d::3f",
+      "kavlan-2": "2001:660:4406:582:d::3f",
+      "kavlan-20": "2001:660:4406:594:d::3f",
+      "kavlan-21": "2001:660:4406:595:d::3f",
+      "kavlan-3": "2001:660:4406:583:d::3f",
+      "kavlan-4": "2001:660:4406:584:d::3f",
+      "kavlan-5": "2001:660:4406:585:d::3f",
+      "kavlan-6": "2001:660:4406:586:d::3f",
+      "kavlan-7": "2001:660:4406:587:d::3f",
+      "kavlan-8": "2001:660:4406:588:d::3f",
+      "kavlan-9": "2001:660:4406:589:d::3f"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-64.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-64.json
index 333bfad199e41d2d46f90e09202bf0201e2eea21..918253f8155e27052f27f6e0e9ac7abfcb94f9a7 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-64.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-64.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.67.64"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:d::40",
+      "kavlan-11": "2001:660:4406:58b:d::40",
+      "kavlan-12": "2001:660:4406:58c:d::40",
+      "kavlan-13": "2001:660:4406:58d:d::40",
+      "kavlan-14": "2001:660:4406:58e:d::40",
+      "kavlan-16": "2001:660:4406:590:d::40",
+      "kavlan-18": "2001:660:4406:592:d::40",
+      "kavlan-2": "2001:660:4406:582:d::40",
+      "kavlan-20": "2001:660:4406:594:d::40",
+      "kavlan-21": "2001:660:4406:595:d::40",
+      "kavlan-3": "2001:660:4406:583:d::40",
+      "kavlan-4": "2001:660:4406:584:d::40",
+      "kavlan-5": "2001:660:4406:585:d::40",
+      "kavlan-6": "2001:660:4406:586:d::40",
+      "kavlan-7": "2001:660:4406:587:d::40",
+      "kavlan-8": "2001:660:4406:588:d::40",
+      "kavlan-9": "2001:660:4406:589:d::40"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-7.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-7.json
index f117366c3d2d81566a18d1e7304587404735c4f9..b089ef7db150eb92cec6d2e15a66f9719f94be21 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-7.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-7.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.67.7"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:d::7",
+      "kavlan-11": "2001:660:4406:58b:d::7",
+      "kavlan-12": "2001:660:4406:58c:d::7",
+      "kavlan-13": "2001:660:4406:58d:d::7",
+      "kavlan-14": "2001:660:4406:58e:d::7",
+      "kavlan-16": "2001:660:4406:590:d::7",
+      "kavlan-18": "2001:660:4406:592:d::7",
+      "kavlan-2": "2001:660:4406:582:d::7",
+      "kavlan-20": "2001:660:4406:594:d::7",
+      "kavlan-21": "2001:660:4406:595:d::7",
+      "kavlan-3": "2001:660:4406:583:d::7",
+      "kavlan-4": "2001:660:4406:584:d::7",
+      "kavlan-5": "2001:660:4406:585:d::7",
+      "kavlan-6": "2001:660:4406:586:d::7",
+      "kavlan-7": "2001:660:4406:587:d::7",
+      "kavlan-8": "2001:660:4406:588:d::7",
+      "kavlan-9": "2001:660:4406:589:d::7"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-8.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-8.json
index 07b220145d824325ac1f5317a09f73fc46fd272c..c8cdb916ecb594b1a8652cf9b6949bcc14dc3705 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-8.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-8.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.67.8"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:d::8",
+      "kavlan-11": "2001:660:4406:58b:d::8",
+      "kavlan-12": "2001:660:4406:58c:d::8",
+      "kavlan-13": "2001:660:4406:58d:d::8",
+      "kavlan-14": "2001:660:4406:58e:d::8",
+      "kavlan-16": "2001:660:4406:590:d::8",
+      "kavlan-18": "2001:660:4406:592:d::8",
+      "kavlan-2": "2001:660:4406:582:d::8",
+      "kavlan-20": "2001:660:4406:594:d::8",
+      "kavlan-21": "2001:660:4406:595:d::8",
+      "kavlan-3": "2001:660:4406:583:d::8",
+      "kavlan-4": "2001:660:4406:584:d::8",
+      "kavlan-5": "2001:660:4406:585:d::8",
+      "kavlan-6": "2001:660:4406:586:d::8",
+      "kavlan-7": "2001:660:4406:587:d::8",
+      "kavlan-8": "2001:660:4406:588:d::8",
+      "kavlan-9": "2001:660:4406:589:d::8"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-9.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-9.json
index 00679f27f7d3cf26c30577a58b68329ea4d1e129..116e4090db2fd67592b7eae6063e01d71c90e2c6 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-9.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-9.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.17.67.9"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:581:d::9",
+      "kavlan-11": "2001:660:4406:58b:d::9",
+      "kavlan-12": "2001:660:4406:58c:d::9",
+      "kavlan-13": "2001:660:4406:58d:d::9",
+      "kavlan-14": "2001:660:4406:58e:d::9",
+      "kavlan-16": "2001:660:4406:590:d::9",
+      "kavlan-18": "2001:660:4406:592:d::9",
+      "kavlan-2": "2001:660:4406:582:d::9",
+      "kavlan-20": "2001:660:4406:594:d::9",
+      "kavlan-21": "2001:660:4406:595:d::9",
+      "kavlan-3": "2001:660:4406:583:d::9",
+      "kavlan-4": "2001:660:4406:584:d::9",
+      "kavlan-5": "2001:660:4406:585:d::9",
+      "kavlan-6": "2001:660:4406:586:d::9",
+      "kavlan-7": "2001:660:4406:587:d::9",
+      "kavlan-8": "2001:660:4406:588:d::9",
+      "kavlan-9": "2001:660:4406:589:d::9"
+    }
+  },
   "main_memory": {
     "ram_size": 206158430208
   },
diff --git a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-1.json b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-1.json
index cc74ba4a3e70c14de4c020bb6832b00fd02a9764..15bc1db5143f7d0f61c140b2f45ea4ac8cbbc794 100644
--- a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-1.json
+++ b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-1.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.45.64.1"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:681:1::1",
+      "kavlan-11": "2001:660:4406:68b:1::1",
+      "kavlan-12": "2001:660:4406:68c:1::1",
+      "kavlan-13": "2001:660:4406:68d:1::1",
+      "kavlan-14": "2001:660:4406:68e:1::1",
+      "kavlan-16": "2001:660:4406:690:1::1",
+      "kavlan-18": "2001:660:4406:692:1::1",
+      "kavlan-2": "2001:660:4406:682:1::1",
+      "kavlan-20": "2001:660:4406:694:1::1",
+      "kavlan-21": "2001:660:4406:695:1::1",
+      "kavlan-3": "2001:660:4406:683:1::1",
+      "kavlan-4": "2001:660:4406:684:1::1",
+      "kavlan-5": "2001:660:4406:685:1::1",
+      "kavlan-6": "2001:660:4406:686:1::1",
+      "kavlan-7": "2001:660:4406:687:1::1",
+      "kavlan-8": "2001:660:4406:688:1::1",
+      "kavlan-9": "2001:660:4406:689:1::1"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-10.json b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-10.json
index 4c8b5d2bc8a99f68c8d28824c23e8c07bfecbde7..5d8a58da5e3450bfca9b9b53d306e788ee367957 100644
--- a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-10.json
+++ b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-10.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.45.64.10"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:681:1::a",
+      "kavlan-11": "2001:660:4406:68b:1::a",
+      "kavlan-12": "2001:660:4406:68c:1::a",
+      "kavlan-13": "2001:660:4406:68d:1::a",
+      "kavlan-14": "2001:660:4406:68e:1::a",
+      "kavlan-16": "2001:660:4406:690:1::a",
+      "kavlan-18": "2001:660:4406:692:1::a",
+      "kavlan-2": "2001:660:4406:682:1::a",
+      "kavlan-20": "2001:660:4406:694:1::a",
+      "kavlan-21": "2001:660:4406:695:1::a",
+      "kavlan-3": "2001:660:4406:683:1::a",
+      "kavlan-4": "2001:660:4406:684:1::a",
+      "kavlan-5": "2001:660:4406:685:1::a",
+      "kavlan-6": "2001:660:4406:686:1::a",
+      "kavlan-7": "2001:660:4406:687:1::a",
+      "kavlan-8": "2001:660:4406:688:1::a",
+      "kavlan-9": "2001:660:4406:689:1::a"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-11.json b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-11.json
index 7d47f6f6e4f6cd25ec287355da73aa05e4256631..9b34c0d811ccceb0a6a0e924f765d682b0bbe8c6 100644
--- a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-11.json
+++ b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-11.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.45.64.11"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:681:1::b",
+      "kavlan-11": "2001:660:4406:68b:1::b",
+      "kavlan-12": "2001:660:4406:68c:1::b",
+      "kavlan-13": "2001:660:4406:68d:1::b",
+      "kavlan-14": "2001:660:4406:68e:1::b",
+      "kavlan-16": "2001:660:4406:690:1::b",
+      "kavlan-18": "2001:660:4406:692:1::b",
+      "kavlan-2": "2001:660:4406:682:1::b",
+      "kavlan-20": "2001:660:4406:694:1::b",
+      "kavlan-21": "2001:660:4406:695:1::b",
+      "kavlan-3": "2001:660:4406:683:1::b",
+      "kavlan-4": "2001:660:4406:684:1::b",
+      "kavlan-5": "2001:660:4406:685:1::b",
+      "kavlan-6": "2001:660:4406:686:1::b",
+      "kavlan-7": "2001:660:4406:687:1::b",
+      "kavlan-8": "2001:660:4406:688:1::b",
+      "kavlan-9": "2001:660:4406:689:1::b"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-12.json b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-12.json
index 5105abb783ede7e3b0f3a90ac70e29e71e84836f..3886bbb838d6aa5e267d98269ba7d69f8e024577 100644
--- a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-12.json
+++ b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-12.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.45.64.12"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:681:1::c",
+      "kavlan-11": "2001:660:4406:68b:1::c",
+      "kavlan-12": "2001:660:4406:68c:1::c",
+      "kavlan-13": "2001:660:4406:68d:1::c",
+      "kavlan-14": "2001:660:4406:68e:1::c",
+      "kavlan-16": "2001:660:4406:690:1::c",
+      "kavlan-18": "2001:660:4406:692:1::c",
+      "kavlan-2": "2001:660:4406:682:1::c",
+      "kavlan-20": "2001:660:4406:694:1::c",
+      "kavlan-21": "2001:660:4406:695:1::c",
+      "kavlan-3": "2001:660:4406:683:1::c",
+      "kavlan-4": "2001:660:4406:684:1::c",
+      "kavlan-5": "2001:660:4406:685:1::c",
+      "kavlan-6": "2001:660:4406:686:1::c",
+      "kavlan-7": "2001:660:4406:687:1::c",
+      "kavlan-8": "2001:660:4406:688:1::c",
+      "kavlan-9": "2001:660:4406:689:1::c"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-13.json b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-13.json
index 67f99b8f7242dd459828918d8747d2c5837e3245..1cc9e7d1df5e03b38c38af3cb9922f05311143cd 100644
--- a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-13.json
+++ b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-13.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.45.64.13"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:681:1::d",
+      "kavlan-11": "2001:660:4406:68b:1::d",
+      "kavlan-12": "2001:660:4406:68c:1::d",
+      "kavlan-13": "2001:660:4406:68d:1::d",
+      "kavlan-14": "2001:660:4406:68e:1::d",
+      "kavlan-16": "2001:660:4406:690:1::d",
+      "kavlan-18": "2001:660:4406:692:1::d",
+      "kavlan-2": "2001:660:4406:682:1::d",
+      "kavlan-20": "2001:660:4406:694:1::d",
+      "kavlan-21": "2001:660:4406:695:1::d",
+      "kavlan-3": "2001:660:4406:683:1::d",
+      "kavlan-4": "2001:660:4406:684:1::d",
+      "kavlan-5": "2001:660:4406:685:1::d",
+      "kavlan-6": "2001:660:4406:686:1::d",
+      "kavlan-7": "2001:660:4406:687:1::d",
+      "kavlan-8": "2001:660:4406:688:1::d",
+      "kavlan-9": "2001:660:4406:689:1::d"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-14.json b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-14.json
index 2d78e68865939f19666e39940e726f87ac493d52..4632801ef1e345fa450afd95ba81188e24f3c45b 100644
--- a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-14.json
+++ b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-14.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.45.64.14"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:681:1::e",
+      "kavlan-11": "2001:660:4406:68b:1::e",
+      "kavlan-12": "2001:660:4406:68c:1::e",
+      "kavlan-13": "2001:660:4406:68d:1::e",
+      "kavlan-14": "2001:660:4406:68e:1::e",
+      "kavlan-16": "2001:660:4406:690:1::e",
+      "kavlan-18": "2001:660:4406:692:1::e",
+      "kavlan-2": "2001:660:4406:682:1::e",
+      "kavlan-20": "2001:660:4406:694:1::e",
+      "kavlan-21": "2001:660:4406:695:1::e",
+      "kavlan-3": "2001:660:4406:683:1::e",
+      "kavlan-4": "2001:660:4406:684:1::e",
+      "kavlan-5": "2001:660:4406:685:1::e",
+      "kavlan-6": "2001:660:4406:686:1::e",
+      "kavlan-7": "2001:660:4406:687:1::e",
+      "kavlan-8": "2001:660:4406:688:1::e",
+      "kavlan-9": "2001:660:4406:689:1::e"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-15.json b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-15.json
index c811155a93bcadd4d2c8eccc75d483bc3eeecfcb..affad632e36a85499ec7208c8e44eb2cc044f579 100644
--- a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-15.json
+++ b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-15.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.45.64.15"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:681:1::f",
+      "kavlan-11": "2001:660:4406:68b:1::f",
+      "kavlan-12": "2001:660:4406:68c:1::f",
+      "kavlan-13": "2001:660:4406:68d:1::f",
+      "kavlan-14": "2001:660:4406:68e:1::f",
+      "kavlan-16": "2001:660:4406:690:1::f",
+      "kavlan-18": "2001:660:4406:692:1::f",
+      "kavlan-2": "2001:660:4406:682:1::f",
+      "kavlan-20": "2001:660:4406:694:1::f",
+      "kavlan-21": "2001:660:4406:695:1::f",
+      "kavlan-3": "2001:660:4406:683:1::f",
+      "kavlan-4": "2001:660:4406:684:1::f",
+      "kavlan-5": "2001:660:4406:685:1::f",
+      "kavlan-6": "2001:660:4406:686:1::f",
+      "kavlan-7": "2001:660:4406:687:1::f",
+      "kavlan-8": "2001:660:4406:688:1::f",
+      "kavlan-9": "2001:660:4406:689:1::f"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-16.json b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-16.json
index d00ddd30f73980a1e43c6f3b411c8b64c71d2bb4..27f07e7bbe4a1603855dfe78e7a64c12db130bfe 100644
--- a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-16.json
+++ b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-16.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.45.64.16"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:681:1::10",
+      "kavlan-11": "2001:660:4406:68b:1::10",
+      "kavlan-12": "2001:660:4406:68c:1::10",
+      "kavlan-13": "2001:660:4406:68d:1::10",
+      "kavlan-14": "2001:660:4406:68e:1::10",
+      "kavlan-16": "2001:660:4406:690:1::10",
+      "kavlan-18": "2001:660:4406:692:1::10",
+      "kavlan-2": "2001:660:4406:682:1::10",
+      "kavlan-20": "2001:660:4406:694:1::10",
+      "kavlan-21": "2001:660:4406:695:1::10",
+      "kavlan-3": "2001:660:4406:683:1::10",
+      "kavlan-4": "2001:660:4406:684:1::10",
+      "kavlan-5": "2001:660:4406:685:1::10",
+      "kavlan-6": "2001:660:4406:686:1::10",
+      "kavlan-7": "2001:660:4406:687:1::10",
+      "kavlan-8": "2001:660:4406:688:1::10",
+      "kavlan-9": "2001:660:4406:689:1::10"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-17.json b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-17.json
index 5ff15390471a4b757fbb205ddc6ed054e433c185..768d0b23ce8c34f2e80ed75461b3039e7b361d1d 100644
--- a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-17.json
+++ b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-17.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.45.64.17"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:681:1::11",
+      "kavlan-11": "2001:660:4406:68b:1::11",
+      "kavlan-12": "2001:660:4406:68c:1::11",
+      "kavlan-13": "2001:660:4406:68d:1::11",
+      "kavlan-14": "2001:660:4406:68e:1::11",
+      "kavlan-16": "2001:660:4406:690:1::11",
+      "kavlan-18": "2001:660:4406:692:1::11",
+      "kavlan-2": "2001:660:4406:682:1::11",
+      "kavlan-20": "2001:660:4406:694:1::11",
+      "kavlan-21": "2001:660:4406:695:1::11",
+      "kavlan-3": "2001:660:4406:683:1::11",
+      "kavlan-4": "2001:660:4406:684:1::11",
+      "kavlan-5": "2001:660:4406:685:1::11",
+      "kavlan-6": "2001:660:4406:686:1::11",
+      "kavlan-7": "2001:660:4406:687:1::11",
+      "kavlan-8": "2001:660:4406:688:1::11",
+      "kavlan-9": "2001:660:4406:689:1::11"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-18.json b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-18.json
index 70df7e25b0b28fcf4fae7248aa8c8c85456855f3..891640c3e2f93801a42b59375b9d7ef96eb9e05c 100644
--- a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-18.json
+++ b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-18.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.45.64.18"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:681:1::12",
+      "kavlan-11": "2001:660:4406:68b:1::12",
+      "kavlan-12": "2001:660:4406:68c:1::12",
+      "kavlan-13": "2001:660:4406:68d:1::12",
+      "kavlan-14": "2001:660:4406:68e:1::12",
+      "kavlan-16": "2001:660:4406:690:1::12",
+      "kavlan-18": "2001:660:4406:692:1::12",
+      "kavlan-2": "2001:660:4406:682:1::12",
+      "kavlan-20": "2001:660:4406:694:1::12",
+      "kavlan-21": "2001:660:4406:695:1::12",
+      "kavlan-3": "2001:660:4406:683:1::12",
+      "kavlan-4": "2001:660:4406:684:1::12",
+      "kavlan-5": "2001:660:4406:685:1::12",
+      "kavlan-6": "2001:660:4406:686:1::12",
+      "kavlan-7": "2001:660:4406:687:1::12",
+      "kavlan-8": "2001:660:4406:688:1::12",
+      "kavlan-9": "2001:660:4406:689:1::12"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-19.json b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-19.json
index b5f6c77a5bff9ae8e93037183ba13c113356ab6f..f98c689e43688e20c0aba20e27d4b01100640240 100644
--- a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-19.json
+++ b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-19.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.45.64.19"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:681:1::13",
+      "kavlan-11": "2001:660:4406:68b:1::13",
+      "kavlan-12": "2001:660:4406:68c:1::13",
+      "kavlan-13": "2001:660:4406:68d:1::13",
+      "kavlan-14": "2001:660:4406:68e:1::13",
+      "kavlan-16": "2001:660:4406:690:1::13",
+      "kavlan-18": "2001:660:4406:692:1::13",
+      "kavlan-2": "2001:660:4406:682:1::13",
+      "kavlan-20": "2001:660:4406:694:1::13",
+      "kavlan-21": "2001:660:4406:695:1::13",
+      "kavlan-3": "2001:660:4406:683:1::13",
+      "kavlan-4": "2001:660:4406:684:1::13",
+      "kavlan-5": "2001:660:4406:685:1::13",
+      "kavlan-6": "2001:660:4406:686:1::13",
+      "kavlan-7": "2001:660:4406:687:1::13",
+      "kavlan-8": "2001:660:4406:688:1::13",
+      "kavlan-9": "2001:660:4406:689:1::13"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-2.json b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-2.json
index 89a8bf83622e04c2815ddbc1ca89ba78c747b99f..0ffb95bf1b1df319ad132811c8c39f763be08f82 100644
--- a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-2.json
+++ b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-2.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.45.64.2"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:681:1::2",
+      "kavlan-11": "2001:660:4406:68b:1::2",
+      "kavlan-12": "2001:660:4406:68c:1::2",
+      "kavlan-13": "2001:660:4406:68d:1::2",
+      "kavlan-14": "2001:660:4406:68e:1::2",
+      "kavlan-16": "2001:660:4406:690:1::2",
+      "kavlan-18": "2001:660:4406:692:1::2",
+      "kavlan-2": "2001:660:4406:682:1::2",
+      "kavlan-20": "2001:660:4406:694:1::2",
+      "kavlan-21": "2001:660:4406:695:1::2",
+      "kavlan-3": "2001:660:4406:683:1::2",
+      "kavlan-4": "2001:660:4406:684:1::2",
+      "kavlan-5": "2001:660:4406:685:1::2",
+      "kavlan-6": "2001:660:4406:686:1::2",
+      "kavlan-7": "2001:660:4406:687:1::2",
+      "kavlan-8": "2001:660:4406:688:1::2",
+      "kavlan-9": "2001:660:4406:689:1::2"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-20.json b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-20.json
index b44c1994add8fe2ffa98d9a308e76e2c0b8eca98..766cee26eaccf501abc87f7dbd42ea750e5e5e87 100644
--- a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-20.json
+++ b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-20.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.45.64.20"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:681:1::14",
+      "kavlan-11": "2001:660:4406:68b:1::14",
+      "kavlan-12": "2001:660:4406:68c:1::14",
+      "kavlan-13": "2001:660:4406:68d:1::14",
+      "kavlan-14": "2001:660:4406:68e:1::14",
+      "kavlan-16": "2001:660:4406:690:1::14",
+      "kavlan-18": "2001:660:4406:692:1::14",
+      "kavlan-2": "2001:660:4406:682:1::14",
+      "kavlan-20": "2001:660:4406:694:1::14",
+      "kavlan-21": "2001:660:4406:695:1::14",
+      "kavlan-3": "2001:660:4406:683:1::14",
+      "kavlan-4": "2001:660:4406:684:1::14",
+      "kavlan-5": "2001:660:4406:685:1::14",
+      "kavlan-6": "2001:660:4406:686:1::14",
+      "kavlan-7": "2001:660:4406:687:1::14",
+      "kavlan-8": "2001:660:4406:688:1::14",
+      "kavlan-9": "2001:660:4406:689:1::14"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-21.json b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-21.json
index 573f16241eff7b44d0ad01644dd26c82a114315d..19afca8eeed1dc648b80e2d84bd46a59d3c4dc9a 100644
--- a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-21.json
+++ b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-21.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.45.64.21"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:681:1::15",
+      "kavlan-11": "2001:660:4406:68b:1::15",
+      "kavlan-12": "2001:660:4406:68c:1::15",
+      "kavlan-13": "2001:660:4406:68d:1::15",
+      "kavlan-14": "2001:660:4406:68e:1::15",
+      "kavlan-16": "2001:660:4406:690:1::15",
+      "kavlan-18": "2001:660:4406:692:1::15",
+      "kavlan-2": "2001:660:4406:682:1::15",
+      "kavlan-20": "2001:660:4406:694:1::15",
+      "kavlan-21": "2001:660:4406:695:1::15",
+      "kavlan-3": "2001:660:4406:683:1::15",
+      "kavlan-4": "2001:660:4406:684:1::15",
+      "kavlan-5": "2001:660:4406:685:1::15",
+      "kavlan-6": "2001:660:4406:686:1::15",
+      "kavlan-7": "2001:660:4406:687:1::15",
+      "kavlan-8": "2001:660:4406:688:1::15",
+      "kavlan-9": "2001:660:4406:689:1::15"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-22.json b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-22.json
index 07b256387249b10269b70fbca681994a8ffa6279..14df5a1a33e9829645502b5245b3530ebe7e5f08 100644
--- a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-22.json
+++ b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-22.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.45.64.22"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:681:1::16",
+      "kavlan-11": "2001:660:4406:68b:1::16",
+      "kavlan-12": "2001:660:4406:68c:1::16",
+      "kavlan-13": "2001:660:4406:68d:1::16",
+      "kavlan-14": "2001:660:4406:68e:1::16",
+      "kavlan-16": "2001:660:4406:690:1::16",
+      "kavlan-18": "2001:660:4406:692:1::16",
+      "kavlan-2": "2001:660:4406:682:1::16",
+      "kavlan-20": "2001:660:4406:694:1::16",
+      "kavlan-21": "2001:660:4406:695:1::16",
+      "kavlan-3": "2001:660:4406:683:1::16",
+      "kavlan-4": "2001:660:4406:684:1::16",
+      "kavlan-5": "2001:660:4406:685:1::16",
+      "kavlan-6": "2001:660:4406:686:1::16",
+      "kavlan-7": "2001:660:4406:687:1::16",
+      "kavlan-8": "2001:660:4406:688:1::16",
+      "kavlan-9": "2001:660:4406:689:1::16"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-3.json b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-3.json
index 2f2e0214da5246936c2da1d7b5701008721567f9..c0a71ed176353f15e4ea36dd8637649897fd31c1 100644
--- a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-3.json
+++ b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-3.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.45.64.3"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:681:1::3",
+      "kavlan-11": "2001:660:4406:68b:1::3",
+      "kavlan-12": "2001:660:4406:68c:1::3",
+      "kavlan-13": "2001:660:4406:68d:1::3",
+      "kavlan-14": "2001:660:4406:68e:1::3",
+      "kavlan-16": "2001:660:4406:690:1::3",
+      "kavlan-18": "2001:660:4406:692:1::3",
+      "kavlan-2": "2001:660:4406:682:1::3",
+      "kavlan-20": "2001:660:4406:694:1::3",
+      "kavlan-21": "2001:660:4406:695:1::3",
+      "kavlan-3": "2001:660:4406:683:1::3",
+      "kavlan-4": "2001:660:4406:684:1::3",
+      "kavlan-5": "2001:660:4406:685:1::3",
+      "kavlan-6": "2001:660:4406:686:1::3",
+      "kavlan-7": "2001:660:4406:687:1::3",
+      "kavlan-8": "2001:660:4406:688:1::3",
+      "kavlan-9": "2001:660:4406:689:1::3"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-4.json b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-4.json
index 0b1848b231120d74277bdc86378375c8ad8dc00a..df16cf1701bfdc9545152224a5ea301bc0fe3770 100644
--- a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-4.json
+++ b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-4.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.45.64.4"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:681:1::4",
+      "kavlan-11": "2001:660:4406:68b:1::4",
+      "kavlan-12": "2001:660:4406:68c:1::4",
+      "kavlan-13": "2001:660:4406:68d:1::4",
+      "kavlan-14": "2001:660:4406:68e:1::4",
+      "kavlan-16": "2001:660:4406:690:1::4",
+      "kavlan-18": "2001:660:4406:692:1::4",
+      "kavlan-2": "2001:660:4406:682:1::4",
+      "kavlan-20": "2001:660:4406:694:1::4",
+      "kavlan-21": "2001:660:4406:695:1::4",
+      "kavlan-3": "2001:660:4406:683:1::4",
+      "kavlan-4": "2001:660:4406:684:1::4",
+      "kavlan-5": "2001:660:4406:685:1::4",
+      "kavlan-6": "2001:660:4406:686:1::4",
+      "kavlan-7": "2001:660:4406:687:1::4",
+      "kavlan-8": "2001:660:4406:688:1::4",
+      "kavlan-9": "2001:660:4406:689:1::4"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-5.json b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-5.json
index a3ebe2d00a8e2ba058e1e64752a3ec075f05f8c0..4f2aa606632ff690105e5f2862059f7de272eda9 100644
--- a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-5.json
+++ b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-5.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.45.64.5"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:681:1::5",
+      "kavlan-11": "2001:660:4406:68b:1::5",
+      "kavlan-12": "2001:660:4406:68c:1::5",
+      "kavlan-13": "2001:660:4406:68d:1::5",
+      "kavlan-14": "2001:660:4406:68e:1::5",
+      "kavlan-16": "2001:660:4406:690:1::5",
+      "kavlan-18": "2001:660:4406:692:1::5",
+      "kavlan-2": "2001:660:4406:682:1::5",
+      "kavlan-20": "2001:660:4406:694:1::5",
+      "kavlan-21": "2001:660:4406:695:1::5",
+      "kavlan-3": "2001:660:4406:683:1::5",
+      "kavlan-4": "2001:660:4406:684:1::5",
+      "kavlan-5": "2001:660:4406:685:1::5",
+      "kavlan-6": "2001:660:4406:686:1::5",
+      "kavlan-7": "2001:660:4406:687:1::5",
+      "kavlan-8": "2001:660:4406:688:1::5",
+      "kavlan-9": "2001:660:4406:689:1::5"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-6.json b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-6.json
index 0a12f9aec36030d993e10c877e51632095699df5..6336de191329f9b72c1c192b4b9a52b7c2196ea3 100644
--- a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-6.json
+++ b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-6.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.45.64.6"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:681:1::6",
+      "kavlan-11": "2001:660:4406:68b:1::6",
+      "kavlan-12": "2001:660:4406:68c:1::6",
+      "kavlan-13": "2001:660:4406:68d:1::6",
+      "kavlan-14": "2001:660:4406:68e:1::6",
+      "kavlan-16": "2001:660:4406:690:1::6",
+      "kavlan-18": "2001:660:4406:692:1::6",
+      "kavlan-2": "2001:660:4406:682:1::6",
+      "kavlan-20": "2001:660:4406:694:1::6",
+      "kavlan-21": "2001:660:4406:695:1::6",
+      "kavlan-3": "2001:660:4406:683:1::6",
+      "kavlan-4": "2001:660:4406:684:1::6",
+      "kavlan-5": "2001:660:4406:685:1::6",
+      "kavlan-6": "2001:660:4406:686:1::6",
+      "kavlan-7": "2001:660:4406:687:1::6",
+      "kavlan-8": "2001:660:4406:688:1::6",
+      "kavlan-9": "2001:660:4406:689:1::6"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-7.json b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-7.json
index 5b6a2b292b7228324ddbb1c073bc0b91acff3e34..d069fc1bc4b7c18804f0b171b504d3729bcb1206 100644
--- a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-7.json
+++ b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-7.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.45.64.7"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:681:1::7",
+      "kavlan-11": "2001:660:4406:68b:1::7",
+      "kavlan-12": "2001:660:4406:68c:1::7",
+      "kavlan-13": "2001:660:4406:68d:1::7",
+      "kavlan-14": "2001:660:4406:68e:1::7",
+      "kavlan-16": "2001:660:4406:690:1::7",
+      "kavlan-18": "2001:660:4406:692:1::7",
+      "kavlan-2": "2001:660:4406:682:1::7",
+      "kavlan-20": "2001:660:4406:694:1::7",
+      "kavlan-21": "2001:660:4406:695:1::7",
+      "kavlan-3": "2001:660:4406:683:1::7",
+      "kavlan-4": "2001:660:4406:684:1::7",
+      "kavlan-5": "2001:660:4406:685:1::7",
+      "kavlan-6": "2001:660:4406:686:1::7",
+      "kavlan-7": "2001:660:4406:687:1::7",
+      "kavlan-8": "2001:660:4406:688:1::7",
+      "kavlan-9": "2001:660:4406:689:1::7"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-8.json b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-8.json
index 70355d8ac0f33b996cf9457c715d8580cb4c7057..2ca42e718cee10bd47b3ddab0adfe99922d5221a 100644
--- a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-8.json
+++ b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-8.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.45.64.8"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:681:1::8",
+      "kavlan-11": "2001:660:4406:68b:1::8",
+      "kavlan-12": "2001:660:4406:68c:1::8",
+      "kavlan-13": "2001:660:4406:68d:1::8",
+      "kavlan-14": "2001:660:4406:68e:1::8",
+      "kavlan-16": "2001:660:4406:690:1::8",
+      "kavlan-18": "2001:660:4406:692:1::8",
+      "kavlan-2": "2001:660:4406:682:1::8",
+      "kavlan-20": "2001:660:4406:694:1::8",
+      "kavlan-21": "2001:660:4406:695:1::8",
+      "kavlan-3": "2001:660:4406:683:1::8",
+      "kavlan-4": "2001:660:4406:684:1::8",
+      "kavlan-5": "2001:660:4406:685:1::8",
+      "kavlan-6": "2001:660:4406:686:1::8",
+      "kavlan-7": "2001:660:4406:687:1::8",
+      "kavlan-8": "2001:660:4406:688:1::8",
+      "kavlan-9": "2001:660:4406:689:1::8"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-9.json b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-9.json
index 082491c89ebca40bda51b7f5ae191b5b7888bc69..eccd20ce97cd0445c8a7c438e6cd72b61f72b7e1 100644
--- a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-9.json
+++ b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-9.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.45.64.9"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:681:1::9",
+      "kavlan-11": "2001:660:4406:68b:1::9",
+      "kavlan-12": "2001:660:4406:68c:1::9",
+      "kavlan-13": "2001:660:4406:68d:1::9",
+      "kavlan-14": "2001:660:4406:68e:1::9",
+      "kavlan-16": "2001:660:4406:690:1::9",
+      "kavlan-18": "2001:660:4406:692:1::9",
+      "kavlan-2": "2001:660:4406:682:1::9",
+      "kavlan-20": "2001:660:4406:694:1::9",
+      "kavlan-21": "2001:660:4406:695:1::9",
+      "kavlan-3": "2001:660:4406:683:1::9",
+      "kavlan-4": "2001:660:4406:684:1::9",
+      "kavlan-5": "2001:660:4406:685:1::9",
+      "kavlan-6": "2001:660:4406:686:1::9",
+      "kavlan-7": "2001:660:4406:687:1::9",
+      "kavlan-8": "2001:660:4406:688:1::9",
+      "kavlan-9": "2001:660:4406:689:1::9"
+    }
+  },
   "main_memory": {
     "ram_size": 68719476736
   },
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-1.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-1.json
index d1aaf5e75008802de5fe05bb13680396a9c5770e..50af3340ee4d2c95eb3a478579f1be75950ea622 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-1.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-1.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.45.66.1"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:681:2::1",
+      "kavlan-11": "2001:660:4406:68b:2::1",
+      "kavlan-12": "2001:660:4406:68c:2::1",
+      "kavlan-13": "2001:660:4406:68d:2::1",
+      "kavlan-14": "2001:660:4406:68e:2::1",
+      "kavlan-16": "2001:660:4406:690:2::1",
+      "kavlan-18": "2001:660:4406:692:2::1",
+      "kavlan-2": "2001:660:4406:682:2::1",
+      "kavlan-20": "2001:660:4406:694:2::1",
+      "kavlan-21": "2001:660:4406:695:2::1",
+      "kavlan-3": "2001:660:4406:683:2::1",
+      "kavlan-4": "2001:660:4406:684:2::1",
+      "kavlan-5": "2001:660:4406:685:2::1",
+      "kavlan-6": "2001:660:4406:686:2::1",
+      "kavlan-7": "2001:660:4406:687:2::1",
+      "kavlan-8": "2001:660:4406:688:2::1",
+      "kavlan-9": "2001:660:4406:689:2::1"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:681:2:1::1",
+      "kavlan-11": "2001:660:4406:68b:2:1::1",
+      "kavlan-12": "2001:660:4406:68c:2:1::1",
+      "kavlan-13": "2001:660:4406:68d:2:1::1",
+      "kavlan-14": "2001:660:4406:68e:2:1::1",
+      "kavlan-16": "2001:660:4406:690:2:1::1",
+      "kavlan-18": "2001:660:4406:692:2:1::1",
+      "kavlan-2": "2001:660:4406:682:2:1::1",
+      "kavlan-20": "2001:660:4406:694:2:1::1",
+      "kavlan-21": "2001:660:4406:695:2:1::1",
+      "kavlan-3": "2001:660:4406:683:2:1::1",
+      "kavlan-4": "2001:660:4406:684:2:1::1",
+      "kavlan-5": "2001:660:4406:685:2:1::1",
+      "kavlan-6": "2001:660:4406:686:2:1::1",
+      "kavlan-7": "2001:660:4406:687:2:1::1",
+      "kavlan-8": "2001:660:4406:688:2:1::1",
+      "kavlan-9": "2001:660:4406:689:2:1::1"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -91,6 +131,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:600:2:1::1",
       "kavlan": true,
       "mac": "24:6e:96:6a:46:e2",
       "management": false,
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-10.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-10.json
index 710fea12a3b758ef2a1da609645fba648aa78cf5..328af05fb59115a41bfd063606ca05babe4cd12b 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-10.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-10.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.45.66.10"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:681:2::a",
+      "kavlan-11": "2001:660:4406:68b:2::a",
+      "kavlan-12": "2001:660:4406:68c:2::a",
+      "kavlan-13": "2001:660:4406:68d:2::a",
+      "kavlan-14": "2001:660:4406:68e:2::a",
+      "kavlan-16": "2001:660:4406:690:2::a",
+      "kavlan-18": "2001:660:4406:692:2::a",
+      "kavlan-2": "2001:660:4406:682:2::a",
+      "kavlan-20": "2001:660:4406:694:2::a",
+      "kavlan-21": "2001:660:4406:695:2::a",
+      "kavlan-3": "2001:660:4406:683:2::a",
+      "kavlan-4": "2001:660:4406:684:2::a",
+      "kavlan-5": "2001:660:4406:685:2::a",
+      "kavlan-6": "2001:660:4406:686:2::a",
+      "kavlan-7": "2001:660:4406:687:2::a",
+      "kavlan-8": "2001:660:4406:688:2::a",
+      "kavlan-9": "2001:660:4406:689:2::a"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:681:2:1::a",
+      "kavlan-11": "2001:660:4406:68b:2:1::a",
+      "kavlan-12": "2001:660:4406:68c:2:1::a",
+      "kavlan-13": "2001:660:4406:68d:2:1::a",
+      "kavlan-14": "2001:660:4406:68e:2:1::a",
+      "kavlan-16": "2001:660:4406:690:2:1::a",
+      "kavlan-18": "2001:660:4406:692:2:1::a",
+      "kavlan-2": "2001:660:4406:682:2:1::a",
+      "kavlan-20": "2001:660:4406:694:2:1::a",
+      "kavlan-21": "2001:660:4406:695:2:1::a",
+      "kavlan-3": "2001:660:4406:683:2:1::a",
+      "kavlan-4": "2001:660:4406:684:2:1::a",
+      "kavlan-5": "2001:660:4406:685:2:1::a",
+      "kavlan-6": "2001:660:4406:686:2:1::a",
+      "kavlan-7": "2001:660:4406:687:2:1::a",
+      "kavlan-8": "2001:660:4406:688:2:1::a",
+      "kavlan-9": "2001:660:4406:689:2:1::a"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -91,6 +131,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:600:2:1::a",
       "kavlan": true,
       "mac": "24:6e:96:6a:d1:fa",
       "management": false,
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-11.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-11.json
index a468f931853cd9dbdb14cf7d8f705e2c00ed59ce..d616ae45943f0850939892c47ed97e54ccdee98f 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-11.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-11.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.45.66.11"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:681:2::b",
+      "kavlan-11": "2001:660:4406:68b:2::b",
+      "kavlan-12": "2001:660:4406:68c:2::b",
+      "kavlan-13": "2001:660:4406:68d:2::b",
+      "kavlan-14": "2001:660:4406:68e:2::b",
+      "kavlan-16": "2001:660:4406:690:2::b",
+      "kavlan-18": "2001:660:4406:692:2::b",
+      "kavlan-2": "2001:660:4406:682:2::b",
+      "kavlan-20": "2001:660:4406:694:2::b",
+      "kavlan-21": "2001:660:4406:695:2::b",
+      "kavlan-3": "2001:660:4406:683:2::b",
+      "kavlan-4": "2001:660:4406:684:2::b",
+      "kavlan-5": "2001:660:4406:685:2::b",
+      "kavlan-6": "2001:660:4406:686:2::b",
+      "kavlan-7": "2001:660:4406:687:2::b",
+      "kavlan-8": "2001:660:4406:688:2::b",
+      "kavlan-9": "2001:660:4406:689:2::b"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:681:2:1::b",
+      "kavlan-11": "2001:660:4406:68b:2:1::b",
+      "kavlan-12": "2001:660:4406:68c:2:1::b",
+      "kavlan-13": "2001:660:4406:68d:2:1::b",
+      "kavlan-14": "2001:660:4406:68e:2:1::b",
+      "kavlan-16": "2001:660:4406:690:2:1::b",
+      "kavlan-18": "2001:660:4406:692:2:1::b",
+      "kavlan-2": "2001:660:4406:682:2:1::b",
+      "kavlan-20": "2001:660:4406:694:2:1::b",
+      "kavlan-21": "2001:660:4406:695:2:1::b",
+      "kavlan-3": "2001:660:4406:683:2:1::b",
+      "kavlan-4": "2001:660:4406:684:2:1::b",
+      "kavlan-5": "2001:660:4406:685:2:1::b",
+      "kavlan-6": "2001:660:4406:686:2:1::b",
+      "kavlan-7": "2001:660:4406:687:2:1::b",
+      "kavlan-8": "2001:660:4406:688:2:1::b",
+      "kavlan-9": "2001:660:4406:689:2:1::b"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -91,6 +131,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:600:2:1::b",
       "kavlan": true,
       "mac": "24:6e:96:6a:4f:02",
       "management": false,
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-12.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-12.json
index 6537a1f7a5cbd22b2d569ee510e929e9376bf2ba..ab2dc772c81ea360bd22099e9ab1ac51d74d87f7 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-12.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-12.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.45.66.12"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:681:2::c",
+      "kavlan-11": "2001:660:4406:68b:2::c",
+      "kavlan-12": "2001:660:4406:68c:2::c",
+      "kavlan-13": "2001:660:4406:68d:2::c",
+      "kavlan-14": "2001:660:4406:68e:2::c",
+      "kavlan-16": "2001:660:4406:690:2::c",
+      "kavlan-18": "2001:660:4406:692:2::c",
+      "kavlan-2": "2001:660:4406:682:2::c",
+      "kavlan-20": "2001:660:4406:694:2::c",
+      "kavlan-21": "2001:660:4406:695:2::c",
+      "kavlan-3": "2001:660:4406:683:2::c",
+      "kavlan-4": "2001:660:4406:684:2::c",
+      "kavlan-5": "2001:660:4406:685:2::c",
+      "kavlan-6": "2001:660:4406:686:2::c",
+      "kavlan-7": "2001:660:4406:687:2::c",
+      "kavlan-8": "2001:660:4406:688:2::c",
+      "kavlan-9": "2001:660:4406:689:2::c"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:681:2:1::c",
+      "kavlan-11": "2001:660:4406:68b:2:1::c",
+      "kavlan-12": "2001:660:4406:68c:2:1::c",
+      "kavlan-13": "2001:660:4406:68d:2:1::c",
+      "kavlan-14": "2001:660:4406:68e:2:1::c",
+      "kavlan-16": "2001:660:4406:690:2:1::c",
+      "kavlan-18": "2001:660:4406:692:2:1::c",
+      "kavlan-2": "2001:660:4406:682:2:1::c",
+      "kavlan-20": "2001:660:4406:694:2:1::c",
+      "kavlan-21": "2001:660:4406:695:2:1::c",
+      "kavlan-3": "2001:660:4406:683:2:1::c",
+      "kavlan-4": "2001:660:4406:684:2:1::c",
+      "kavlan-5": "2001:660:4406:685:2:1::c",
+      "kavlan-6": "2001:660:4406:686:2:1::c",
+      "kavlan-7": "2001:660:4406:687:2:1::c",
+      "kavlan-8": "2001:660:4406:688:2:1::c",
+      "kavlan-9": "2001:660:4406:689:2:1::c"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -91,6 +131,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:600:2:1::c",
       "kavlan": true,
       "mac": "24:6e:96:6a:52:ba",
       "management": false,
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-13.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-13.json
index b1358d00b849183a4ab820131aad5ed585308088..703da0d58bee5260f0f37feb635d6ec59acb7255 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-13.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-13.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.45.66.13"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:681:2::d",
+      "kavlan-11": "2001:660:4406:68b:2::d",
+      "kavlan-12": "2001:660:4406:68c:2::d",
+      "kavlan-13": "2001:660:4406:68d:2::d",
+      "kavlan-14": "2001:660:4406:68e:2::d",
+      "kavlan-16": "2001:660:4406:690:2::d",
+      "kavlan-18": "2001:660:4406:692:2::d",
+      "kavlan-2": "2001:660:4406:682:2::d",
+      "kavlan-20": "2001:660:4406:694:2::d",
+      "kavlan-21": "2001:660:4406:695:2::d",
+      "kavlan-3": "2001:660:4406:683:2::d",
+      "kavlan-4": "2001:660:4406:684:2::d",
+      "kavlan-5": "2001:660:4406:685:2::d",
+      "kavlan-6": "2001:660:4406:686:2::d",
+      "kavlan-7": "2001:660:4406:687:2::d",
+      "kavlan-8": "2001:660:4406:688:2::d",
+      "kavlan-9": "2001:660:4406:689:2::d"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:681:2:1::d",
+      "kavlan-11": "2001:660:4406:68b:2:1::d",
+      "kavlan-12": "2001:660:4406:68c:2:1::d",
+      "kavlan-13": "2001:660:4406:68d:2:1::d",
+      "kavlan-14": "2001:660:4406:68e:2:1::d",
+      "kavlan-16": "2001:660:4406:690:2:1::d",
+      "kavlan-18": "2001:660:4406:692:2:1::d",
+      "kavlan-2": "2001:660:4406:682:2:1::d",
+      "kavlan-20": "2001:660:4406:694:2:1::d",
+      "kavlan-21": "2001:660:4406:695:2:1::d",
+      "kavlan-3": "2001:660:4406:683:2:1::d",
+      "kavlan-4": "2001:660:4406:684:2:1::d",
+      "kavlan-5": "2001:660:4406:685:2:1::d",
+      "kavlan-6": "2001:660:4406:686:2:1::d",
+      "kavlan-7": "2001:660:4406:687:2:1::d",
+      "kavlan-8": "2001:660:4406:688:2:1::d",
+      "kavlan-9": "2001:660:4406:689:2:1::d"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -91,6 +131,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:600:2:1::d",
       "kavlan": true,
       "mac": "24:6e:96:6a:49:7a",
       "management": false,
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-14.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-14.json
index 835ec8ce6d8c66349ac4e0dc182ddca22adfc8b5..095873e9c5fb764d8e65946d2e663475cd8e1566 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-14.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-14.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.45.66.14"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:681:2::e",
+      "kavlan-11": "2001:660:4406:68b:2::e",
+      "kavlan-12": "2001:660:4406:68c:2::e",
+      "kavlan-13": "2001:660:4406:68d:2::e",
+      "kavlan-14": "2001:660:4406:68e:2::e",
+      "kavlan-16": "2001:660:4406:690:2::e",
+      "kavlan-18": "2001:660:4406:692:2::e",
+      "kavlan-2": "2001:660:4406:682:2::e",
+      "kavlan-20": "2001:660:4406:694:2::e",
+      "kavlan-21": "2001:660:4406:695:2::e",
+      "kavlan-3": "2001:660:4406:683:2::e",
+      "kavlan-4": "2001:660:4406:684:2::e",
+      "kavlan-5": "2001:660:4406:685:2::e",
+      "kavlan-6": "2001:660:4406:686:2::e",
+      "kavlan-7": "2001:660:4406:687:2::e",
+      "kavlan-8": "2001:660:4406:688:2::e",
+      "kavlan-9": "2001:660:4406:689:2::e"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:681:2:1::e",
+      "kavlan-11": "2001:660:4406:68b:2:1::e",
+      "kavlan-12": "2001:660:4406:68c:2:1::e",
+      "kavlan-13": "2001:660:4406:68d:2:1::e",
+      "kavlan-14": "2001:660:4406:68e:2:1::e",
+      "kavlan-16": "2001:660:4406:690:2:1::e",
+      "kavlan-18": "2001:660:4406:692:2:1::e",
+      "kavlan-2": "2001:660:4406:682:2:1::e",
+      "kavlan-20": "2001:660:4406:694:2:1::e",
+      "kavlan-21": "2001:660:4406:695:2:1::e",
+      "kavlan-3": "2001:660:4406:683:2:1::e",
+      "kavlan-4": "2001:660:4406:684:2:1::e",
+      "kavlan-5": "2001:660:4406:685:2:1::e",
+      "kavlan-6": "2001:660:4406:686:2:1::e",
+      "kavlan-7": "2001:660:4406:687:2:1::e",
+      "kavlan-8": "2001:660:4406:688:2:1::e",
+      "kavlan-9": "2001:660:4406:689:2:1::e"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -91,6 +131,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:600:2:1::e",
       "kavlan": true,
       "mac": "24:6e:96:6a:46:7a",
       "management": false,
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-15.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-15.json
index f3e55991684437a32a0f4078583daaa6d37f2824..9643b78c6e39c1b3d818b39cf5fa05af58243bc9 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-15.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-15.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.45.66.15"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:681:2::f",
+      "kavlan-11": "2001:660:4406:68b:2::f",
+      "kavlan-12": "2001:660:4406:68c:2::f",
+      "kavlan-13": "2001:660:4406:68d:2::f",
+      "kavlan-14": "2001:660:4406:68e:2::f",
+      "kavlan-16": "2001:660:4406:690:2::f",
+      "kavlan-18": "2001:660:4406:692:2::f",
+      "kavlan-2": "2001:660:4406:682:2::f",
+      "kavlan-20": "2001:660:4406:694:2::f",
+      "kavlan-21": "2001:660:4406:695:2::f",
+      "kavlan-3": "2001:660:4406:683:2::f",
+      "kavlan-4": "2001:660:4406:684:2::f",
+      "kavlan-5": "2001:660:4406:685:2::f",
+      "kavlan-6": "2001:660:4406:686:2::f",
+      "kavlan-7": "2001:660:4406:687:2::f",
+      "kavlan-8": "2001:660:4406:688:2::f",
+      "kavlan-9": "2001:660:4406:689:2::f"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:681:2:1::f",
+      "kavlan-11": "2001:660:4406:68b:2:1::f",
+      "kavlan-12": "2001:660:4406:68c:2:1::f",
+      "kavlan-13": "2001:660:4406:68d:2:1::f",
+      "kavlan-14": "2001:660:4406:68e:2:1::f",
+      "kavlan-16": "2001:660:4406:690:2:1::f",
+      "kavlan-18": "2001:660:4406:692:2:1::f",
+      "kavlan-2": "2001:660:4406:682:2:1::f",
+      "kavlan-20": "2001:660:4406:694:2:1::f",
+      "kavlan-21": "2001:660:4406:695:2:1::f",
+      "kavlan-3": "2001:660:4406:683:2:1::f",
+      "kavlan-4": "2001:660:4406:684:2:1::f",
+      "kavlan-5": "2001:660:4406:685:2:1::f",
+      "kavlan-6": "2001:660:4406:686:2:1::f",
+      "kavlan-7": "2001:660:4406:687:2:1::f",
+      "kavlan-8": "2001:660:4406:688:2:1::f",
+      "kavlan-9": "2001:660:4406:689:2:1::f"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -91,6 +131,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:600:2:1::f",
       "kavlan": true,
       "mac": "24:6e:96:6a:46:52",
       "management": false,
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-16.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-16.json
index 6d91599fbdff274da79828120e6b41a0fb26312d..fd395448863e719a698d5a40c1dc568878b75bb3 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-16.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-16.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.45.66.16"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:681:2::10",
+      "kavlan-11": "2001:660:4406:68b:2::10",
+      "kavlan-12": "2001:660:4406:68c:2::10",
+      "kavlan-13": "2001:660:4406:68d:2::10",
+      "kavlan-14": "2001:660:4406:68e:2::10",
+      "kavlan-16": "2001:660:4406:690:2::10",
+      "kavlan-18": "2001:660:4406:692:2::10",
+      "kavlan-2": "2001:660:4406:682:2::10",
+      "kavlan-20": "2001:660:4406:694:2::10",
+      "kavlan-21": "2001:660:4406:695:2::10",
+      "kavlan-3": "2001:660:4406:683:2::10",
+      "kavlan-4": "2001:660:4406:684:2::10",
+      "kavlan-5": "2001:660:4406:685:2::10",
+      "kavlan-6": "2001:660:4406:686:2::10",
+      "kavlan-7": "2001:660:4406:687:2::10",
+      "kavlan-8": "2001:660:4406:688:2::10",
+      "kavlan-9": "2001:660:4406:689:2::10"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:681:2:1::10",
+      "kavlan-11": "2001:660:4406:68b:2:1::10",
+      "kavlan-12": "2001:660:4406:68c:2:1::10",
+      "kavlan-13": "2001:660:4406:68d:2:1::10",
+      "kavlan-14": "2001:660:4406:68e:2:1::10",
+      "kavlan-16": "2001:660:4406:690:2:1::10",
+      "kavlan-18": "2001:660:4406:692:2:1::10",
+      "kavlan-2": "2001:660:4406:682:2:1::10",
+      "kavlan-20": "2001:660:4406:694:2:1::10",
+      "kavlan-21": "2001:660:4406:695:2:1::10",
+      "kavlan-3": "2001:660:4406:683:2:1::10",
+      "kavlan-4": "2001:660:4406:684:2:1::10",
+      "kavlan-5": "2001:660:4406:685:2:1::10",
+      "kavlan-6": "2001:660:4406:686:2:1::10",
+      "kavlan-7": "2001:660:4406:687:2:1::10",
+      "kavlan-8": "2001:660:4406:688:2:1::10",
+      "kavlan-9": "2001:660:4406:689:2:1::10"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -91,6 +131,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:600:2:1::10",
       "kavlan": true,
       "mac": "24:6e:96:6a:46:c2",
       "management": false,
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-17.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-17.json
index 01009a845aaa958baf038bfea982ca64ec986559..bd3b7a775bb68c9ccfe5c12318a013f4bfe351ea 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-17.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-17.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.45.66.17"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:681:2::11",
+      "kavlan-11": "2001:660:4406:68b:2::11",
+      "kavlan-12": "2001:660:4406:68c:2::11",
+      "kavlan-13": "2001:660:4406:68d:2::11",
+      "kavlan-14": "2001:660:4406:68e:2::11",
+      "kavlan-16": "2001:660:4406:690:2::11",
+      "kavlan-18": "2001:660:4406:692:2::11",
+      "kavlan-2": "2001:660:4406:682:2::11",
+      "kavlan-20": "2001:660:4406:694:2::11",
+      "kavlan-21": "2001:660:4406:695:2::11",
+      "kavlan-3": "2001:660:4406:683:2::11",
+      "kavlan-4": "2001:660:4406:684:2::11",
+      "kavlan-5": "2001:660:4406:685:2::11",
+      "kavlan-6": "2001:660:4406:686:2::11",
+      "kavlan-7": "2001:660:4406:687:2::11",
+      "kavlan-8": "2001:660:4406:688:2::11",
+      "kavlan-9": "2001:660:4406:689:2::11"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:681:2:1::11",
+      "kavlan-11": "2001:660:4406:68b:2:1::11",
+      "kavlan-12": "2001:660:4406:68c:2:1::11",
+      "kavlan-13": "2001:660:4406:68d:2:1::11",
+      "kavlan-14": "2001:660:4406:68e:2:1::11",
+      "kavlan-16": "2001:660:4406:690:2:1::11",
+      "kavlan-18": "2001:660:4406:692:2:1::11",
+      "kavlan-2": "2001:660:4406:682:2:1::11",
+      "kavlan-20": "2001:660:4406:694:2:1::11",
+      "kavlan-21": "2001:660:4406:695:2:1::11",
+      "kavlan-3": "2001:660:4406:683:2:1::11",
+      "kavlan-4": "2001:660:4406:684:2:1::11",
+      "kavlan-5": "2001:660:4406:685:2:1::11",
+      "kavlan-6": "2001:660:4406:686:2:1::11",
+      "kavlan-7": "2001:660:4406:687:2:1::11",
+      "kavlan-8": "2001:660:4406:688:2:1::11",
+      "kavlan-9": "2001:660:4406:689:2:1::11"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -91,6 +131,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:600:2:1::11",
       "kavlan": true,
       "mac": "24:6e:96:6a:47:4a",
       "management": false,
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-18.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-18.json
index 8e78b78e104235f52af05e753262d4c3b0099b05..d610c104cb0195dd06013c21be1b26f34a87abbc 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-18.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-18.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.45.66.18"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:681:2::12",
+      "kavlan-11": "2001:660:4406:68b:2::12",
+      "kavlan-12": "2001:660:4406:68c:2::12",
+      "kavlan-13": "2001:660:4406:68d:2::12",
+      "kavlan-14": "2001:660:4406:68e:2::12",
+      "kavlan-16": "2001:660:4406:690:2::12",
+      "kavlan-18": "2001:660:4406:692:2::12",
+      "kavlan-2": "2001:660:4406:682:2::12",
+      "kavlan-20": "2001:660:4406:694:2::12",
+      "kavlan-21": "2001:660:4406:695:2::12",
+      "kavlan-3": "2001:660:4406:683:2::12",
+      "kavlan-4": "2001:660:4406:684:2::12",
+      "kavlan-5": "2001:660:4406:685:2::12",
+      "kavlan-6": "2001:660:4406:686:2::12",
+      "kavlan-7": "2001:660:4406:687:2::12",
+      "kavlan-8": "2001:660:4406:688:2::12",
+      "kavlan-9": "2001:660:4406:689:2::12"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:681:2:1::12",
+      "kavlan-11": "2001:660:4406:68b:2:1::12",
+      "kavlan-12": "2001:660:4406:68c:2:1::12",
+      "kavlan-13": "2001:660:4406:68d:2:1::12",
+      "kavlan-14": "2001:660:4406:68e:2:1::12",
+      "kavlan-16": "2001:660:4406:690:2:1::12",
+      "kavlan-18": "2001:660:4406:692:2:1::12",
+      "kavlan-2": "2001:660:4406:682:2:1::12",
+      "kavlan-20": "2001:660:4406:694:2:1::12",
+      "kavlan-21": "2001:660:4406:695:2:1::12",
+      "kavlan-3": "2001:660:4406:683:2:1::12",
+      "kavlan-4": "2001:660:4406:684:2:1::12",
+      "kavlan-5": "2001:660:4406:685:2:1::12",
+      "kavlan-6": "2001:660:4406:686:2:1::12",
+      "kavlan-7": "2001:660:4406:687:2:1::12",
+      "kavlan-8": "2001:660:4406:688:2:1::12",
+      "kavlan-9": "2001:660:4406:689:2:1::12"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -91,6 +131,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:600:2:1::12",
       "kavlan": true,
       "mac": "24:6e:96:6a:5a:5a",
       "management": false,
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-19.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-19.json
index 8d83652946e68c210050187cfff418c98df52302..faf45f4edf1871dffb57e2c52e0f223747828ae0 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-19.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-19.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.45.66.19"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:681:2::13",
+      "kavlan-11": "2001:660:4406:68b:2::13",
+      "kavlan-12": "2001:660:4406:68c:2::13",
+      "kavlan-13": "2001:660:4406:68d:2::13",
+      "kavlan-14": "2001:660:4406:68e:2::13",
+      "kavlan-16": "2001:660:4406:690:2::13",
+      "kavlan-18": "2001:660:4406:692:2::13",
+      "kavlan-2": "2001:660:4406:682:2::13",
+      "kavlan-20": "2001:660:4406:694:2::13",
+      "kavlan-21": "2001:660:4406:695:2::13",
+      "kavlan-3": "2001:660:4406:683:2::13",
+      "kavlan-4": "2001:660:4406:684:2::13",
+      "kavlan-5": "2001:660:4406:685:2::13",
+      "kavlan-6": "2001:660:4406:686:2::13",
+      "kavlan-7": "2001:660:4406:687:2::13",
+      "kavlan-8": "2001:660:4406:688:2::13",
+      "kavlan-9": "2001:660:4406:689:2::13"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:681:2:1::13",
+      "kavlan-11": "2001:660:4406:68b:2:1::13",
+      "kavlan-12": "2001:660:4406:68c:2:1::13",
+      "kavlan-13": "2001:660:4406:68d:2:1::13",
+      "kavlan-14": "2001:660:4406:68e:2:1::13",
+      "kavlan-16": "2001:660:4406:690:2:1::13",
+      "kavlan-18": "2001:660:4406:692:2:1::13",
+      "kavlan-2": "2001:660:4406:682:2:1::13",
+      "kavlan-20": "2001:660:4406:694:2:1::13",
+      "kavlan-21": "2001:660:4406:695:2:1::13",
+      "kavlan-3": "2001:660:4406:683:2:1::13",
+      "kavlan-4": "2001:660:4406:684:2:1::13",
+      "kavlan-5": "2001:660:4406:685:2:1::13",
+      "kavlan-6": "2001:660:4406:686:2:1::13",
+      "kavlan-7": "2001:660:4406:687:2:1::13",
+      "kavlan-8": "2001:660:4406:688:2:1::13",
+      "kavlan-9": "2001:660:4406:689:2:1::13"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -91,6 +131,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:600:2:1::13",
       "kavlan": true,
       "mac": "24:6e:96:6a:59:62",
       "management": false,
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-2.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-2.json
index 9c65d8c796bff10e23e67d41c6556d775d08fa67..6b8ed6c15511043e1f2ac1465ce111f322b7a709 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-2.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-2.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.45.66.2"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:681:2::2",
+      "kavlan-11": "2001:660:4406:68b:2::2",
+      "kavlan-12": "2001:660:4406:68c:2::2",
+      "kavlan-13": "2001:660:4406:68d:2::2",
+      "kavlan-14": "2001:660:4406:68e:2::2",
+      "kavlan-16": "2001:660:4406:690:2::2",
+      "kavlan-18": "2001:660:4406:692:2::2",
+      "kavlan-2": "2001:660:4406:682:2::2",
+      "kavlan-20": "2001:660:4406:694:2::2",
+      "kavlan-21": "2001:660:4406:695:2::2",
+      "kavlan-3": "2001:660:4406:683:2::2",
+      "kavlan-4": "2001:660:4406:684:2::2",
+      "kavlan-5": "2001:660:4406:685:2::2",
+      "kavlan-6": "2001:660:4406:686:2::2",
+      "kavlan-7": "2001:660:4406:687:2::2",
+      "kavlan-8": "2001:660:4406:688:2::2",
+      "kavlan-9": "2001:660:4406:689:2::2"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:681:2:1::2",
+      "kavlan-11": "2001:660:4406:68b:2:1::2",
+      "kavlan-12": "2001:660:4406:68c:2:1::2",
+      "kavlan-13": "2001:660:4406:68d:2:1::2",
+      "kavlan-14": "2001:660:4406:68e:2:1::2",
+      "kavlan-16": "2001:660:4406:690:2:1::2",
+      "kavlan-18": "2001:660:4406:692:2:1::2",
+      "kavlan-2": "2001:660:4406:682:2:1::2",
+      "kavlan-20": "2001:660:4406:694:2:1::2",
+      "kavlan-21": "2001:660:4406:695:2:1::2",
+      "kavlan-3": "2001:660:4406:683:2:1::2",
+      "kavlan-4": "2001:660:4406:684:2:1::2",
+      "kavlan-5": "2001:660:4406:685:2:1::2",
+      "kavlan-6": "2001:660:4406:686:2:1::2",
+      "kavlan-7": "2001:660:4406:687:2:1::2",
+      "kavlan-8": "2001:660:4406:688:2:1::2",
+      "kavlan-9": "2001:660:4406:689:2:1::2"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -91,6 +131,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:600:2:1::2",
       "kavlan": true,
       "mac": "24:6e:96:6a:d0:4a",
       "management": false,
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-20.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-20.json
index ecf5908506f8304e4aea3a35ab3868f99911571e..f1a0de2ae4dabed6e2d2a793b34a946583883ca6 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-20.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-20.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.45.66.20"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:681:2::14",
+      "kavlan-11": "2001:660:4406:68b:2::14",
+      "kavlan-12": "2001:660:4406:68c:2::14",
+      "kavlan-13": "2001:660:4406:68d:2::14",
+      "kavlan-14": "2001:660:4406:68e:2::14",
+      "kavlan-16": "2001:660:4406:690:2::14",
+      "kavlan-18": "2001:660:4406:692:2::14",
+      "kavlan-2": "2001:660:4406:682:2::14",
+      "kavlan-20": "2001:660:4406:694:2::14",
+      "kavlan-21": "2001:660:4406:695:2::14",
+      "kavlan-3": "2001:660:4406:683:2::14",
+      "kavlan-4": "2001:660:4406:684:2::14",
+      "kavlan-5": "2001:660:4406:685:2::14",
+      "kavlan-6": "2001:660:4406:686:2::14",
+      "kavlan-7": "2001:660:4406:687:2::14",
+      "kavlan-8": "2001:660:4406:688:2::14",
+      "kavlan-9": "2001:660:4406:689:2::14"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:681:2:1::14",
+      "kavlan-11": "2001:660:4406:68b:2:1::14",
+      "kavlan-12": "2001:660:4406:68c:2:1::14",
+      "kavlan-13": "2001:660:4406:68d:2:1::14",
+      "kavlan-14": "2001:660:4406:68e:2:1::14",
+      "kavlan-16": "2001:660:4406:690:2:1::14",
+      "kavlan-18": "2001:660:4406:692:2:1::14",
+      "kavlan-2": "2001:660:4406:682:2:1::14",
+      "kavlan-20": "2001:660:4406:694:2:1::14",
+      "kavlan-21": "2001:660:4406:695:2:1::14",
+      "kavlan-3": "2001:660:4406:683:2:1::14",
+      "kavlan-4": "2001:660:4406:684:2:1::14",
+      "kavlan-5": "2001:660:4406:685:2:1::14",
+      "kavlan-6": "2001:660:4406:686:2:1::14",
+      "kavlan-7": "2001:660:4406:687:2:1::14",
+      "kavlan-8": "2001:660:4406:688:2:1::14",
+      "kavlan-9": "2001:660:4406:689:2:1::14"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -91,6 +131,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:600:2:1::14",
       "kavlan": true,
       "mac": "24:6e:96:6a:50:12",
       "management": false,
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-21.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-21.json
index b2c9f8dbda2023a7073f69e8f7c7e1c787116fa8..3afedaa8f8d47d84cbe49c3b453d2803e4cc4dd0 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-21.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-21.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.45.66.21"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:681:2::15",
+      "kavlan-11": "2001:660:4406:68b:2::15",
+      "kavlan-12": "2001:660:4406:68c:2::15",
+      "kavlan-13": "2001:660:4406:68d:2::15",
+      "kavlan-14": "2001:660:4406:68e:2::15",
+      "kavlan-16": "2001:660:4406:690:2::15",
+      "kavlan-18": "2001:660:4406:692:2::15",
+      "kavlan-2": "2001:660:4406:682:2::15",
+      "kavlan-20": "2001:660:4406:694:2::15",
+      "kavlan-21": "2001:660:4406:695:2::15",
+      "kavlan-3": "2001:660:4406:683:2::15",
+      "kavlan-4": "2001:660:4406:684:2::15",
+      "kavlan-5": "2001:660:4406:685:2::15",
+      "kavlan-6": "2001:660:4406:686:2::15",
+      "kavlan-7": "2001:660:4406:687:2::15",
+      "kavlan-8": "2001:660:4406:688:2::15",
+      "kavlan-9": "2001:660:4406:689:2::15"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:681:2:1::15",
+      "kavlan-11": "2001:660:4406:68b:2:1::15",
+      "kavlan-12": "2001:660:4406:68c:2:1::15",
+      "kavlan-13": "2001:660:4406:68d:2:1::15",
+      "kavlan-14": "2001:660:4406:68e:2:1::15",
+      "kavlan-16": "2001:660:4406:690:2:1::15",
+      "kavlan-18": "2001:660:4406:692:2:1::15",
+      "kavlan-2": "2001:660:4406:682:2:1::15",
+      "kavlan-20": "2001:660:4406:694:2:1::15",
+      "kavlan-21": "2001:660:4406:695:2:1::15",
+      "kavlan-3": "2001:660:4406:683:2:1::15",
+      "kavlan-4": "2001:660:4406:684:2:1::15",
+      "kavlan-5": "2001:660:4406:685:2:1::15",
+      "kavlan-6": "2001:660:4406:686:2:1::15",
+      "kavlan-7": "2001:660:4406:687:2:1::15",
+      "kavlan-8": "2001:660:4406:688:2:1::15",
+      "kavlan-9": "2001:660:4406:689:2:1::15"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -91,6 +131,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:600:2:1::15",
       "kavlan": true,
       "mac": "24:6e:96:6a:c9:e2",
       "management": false,
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-22.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-22.json
index f334e2feec7000c6a116e5b5d66024b480e4241d..58b30f1a91d16bef2814b1ed2cdbd0d628c37d6b 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-22.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-22.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.45.66.22"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:681:2::16",
+      "kavlan-11": "2001:660:4406:68b:2::16",
+      "kavlan-12": "2001:660:4406:68c:2::16",
+      "kavlan-13": "2001:660:4406:68d:2::16",
+      "kavlan-14": "2001:660:4406:68e:2::16",
+      "kavlan-16": "2001:660:4406:690:2::16",
+      "kavlan-18": "2001:660:4406:692:2::16",
+      "kavlan-2": "2001:660:4406:682:2::16",
+      "kavlan-20": "2001:660:4406:694:2::16",
+      "kavlan-21": "2001:660:4406:695:2::16",
+      "kavlan-3": "2001:660:4406:683:2::16",
+      "kavlan-4": "2001:660:4406:684:2::16",
+      "kavlan-5": "2001:660:4406:685:2::16",
+      "kavlan-6": "2001:660:4406:686:2::16",
+      "kavlan-7": "2001:660:4406:687:2::16",
+      "kavlan-8": "2001:660:4406:688:2::16",
+      "kavlan-9": "2001:660:4406:689:2::16"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:681:2:1::16",
+      "kavlan-11": "2001:660:4406:68b:2:1::16",
+      "kavlan-12": "2001:660:4406:68c:2:1::16",
+      "kavlan-13": "2001:660:4406:68d:2:1::16",
+      "kavlan-14": "2001:660:4406:68e:2:1::16",
+      "kavlan-16": "2001:660:4406:690:2:1::16",
+      "kavlan-18": "2001:660:4406:692:2:1::16",
+      "kavlan-2": "2001:660:4406:682:2:1::16",
+      "kavlan-20": "2001:660:4406:694:2:1::16",
+      "kavlan-21": "2001:660:4406:695:2:1::16",
+      "kavlan-3": "2001:660:4406:683:2:1::16",
+      "kavlan-4": "2001:660:4406:684:2:1::16",
+      "kavlan-5": "2001:660:4406:685:2:1::16",
+      "kavlan-6": "2001:660:4406:686:2:1::16",
+      "kavlan-7": "2001:660:4406:687:2:1::16",
+      "kavlan-8": "2001:660:4406:688:2:1::16",
+      "kavlan-9": "2001:660:4406:689:2:1::16"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -91,6 +131,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:600:2:1::16",
       "kavlan": true,
       "mac": "24:6e:96:6a:d3:22",
       "management": false,
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-23.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-23.json
index 9d70a7b662de1e854fb0585933bf090b30bf868b..2101848fe0b1bd9f738c1c9ff19518066d4b95ae 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-23.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-23.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.45.66.23"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:681:2::17",
+      "kavlan-11": "2001:660:4406:68b:2::17",
+      "kavlan-12": "2001:660:4406:68c:2::17",
+      "kavlan-13": "2001:660:4406:68d:2::17",
+      "kavlan-14": "2001:660:4406:68e:2::17",
+      "kavlan-16": "2001:660:4406:690:2::17",
+      "kavlan-18": "2001:660:4406:692:2::17",
+      "kavlan-2": "2001:660:4406:682:2::17",
+      "kavlan-20": "2001:660:4406:694:2::17",
+      "kavlan-21": "2001:660:4406:695:2::17",
+      "kavlan-3": "2001:660:4406:683:2::17",
+      "kavlan-4": "2001:660:4406:684:2::17",
+      "kavlan-5": "2001:660:4406:685:2::17",
+      "kavlan-6": "2001:660:4406:686:2::17",
+      "kavlan-7": "2001:660:4406:687:2::17",
+      "kavlan-8": "2001:660:4406:688:2::17",
+      "kavlan-9": "2001:660:4406:689:2::17"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:681:2:1::17",
+      "kavlan-11": "2001:660:4406:68b:2:1::17",
+      "kavlan-12": "2001:660:4406:68c:2:1::17",
+      "kavlan-13": "2001:660:4406:68d:2:1::17",
+      "kavlan-14": "2001:660:4406:68e:2:1::17",
+      "kavlan-16": "2001:660:4406:690:2:1::17",
+      "kavlan-18": "2001:660:4406:692:2:1::17",
+      "kavlan-2": "2001:660:4406:682:2:1::17",
+      "kavlan-20": "2001:660:4406:694:2:1::17",
+      "kavlan-21": "2001:660:4406:695:2:1::17",
+      "kavlan-3": "2001:660:4406:683:2:1::17",
+      "kavlan-4": "2001:660:4406:684:2:1::17",
+      "kavlan-5": "2001:660:4406:685:2:1::17",
+      "kavlan-6": "2001:660:4406:686:2:1::17",
+      "kavlan-7": "2001:660:4406:687:2:1::17",
+      "kavlan-8": "2001:660:4406:688:2:1::17",
+      "kavlan-9": "2001:660:4406:689:2:1::17"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -91,6 +131,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:600:2:1::17",
       "kavlan": true,
       "mac": "24:6e:96:6a:4e:ba",
       "management": false,
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-24.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-24.json
index 865ff186e12b08cb882365a2cac16391a637dceb..7428762aba520733bbf3474db0a930fcb914100b 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-24.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-24.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.45.66.24"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:681:2::18",
+      "kavlan-11": "2001:660:4406:68b:2::18",
+      "kavlan-12": "2001:660:4406:68c:2::18",
+      "kavlan-13": "2001:660:4406:68d:2::18",
+      "kavlan-14": "2001:660:4406:68e:2::18",
+      "kavlan-16": "2001:660:4406:690:2::18",
+      "kavlan-18": "2001:660:4406:692:2::18",
+      "kavlan-2": "2001:660:4406:682:2::18",
+      "kavlan-20": "2001:660:4406:694:2::18",
+      "kavlan-21": "2001:660:4406:695:2::18",
+      "kavlan-3": "2001:660:4406:683:2::18",
+      "kavlan-4": "2001:660:4406:684:2::18",
+      "kavlan-5": "2001:660:4406:685:2::18",
+      "kavlan-6": "2001:660:4406:686:2::18",
+      "kavlan-7": "2001:660:4406:687:2::18",
+      "kavlan-8": "2001:660:4406:688:2::18",
+      "kavlan-9": "2001:660:4406:689:2::18"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:681:2:1::18",
+      "kavlan-11": "2001:660:4406:68b:2:1::18",
+      "kavlan-12": "2001:660:4406:68c:2:1::18",
+      "kavlan-13": "2001:660:4406:68d:2:1::18",
+      "kavlan-14": "2001:660:4406:68e:2:1::18",
+      "kavlan-16": "2001:660:4406:690:2:1::18",
+      "kavlan-18": "2001:660:4406:692:2:1::18",
+      "kavlan-2": "2001:660:4406:682:2:1::18",
+      "kavlan-20": "2001:660:4406:694:2:1::18",
+      "kavlan-21": "2001:660:4406:695:2:1::18",
+      "kavlan-3": "2001:660:4406:683:2:1::18",
+      "kavlan-4": "2001:660:4406:684:2:1::18",
+      "kavlan-5": "2001:660:4406:685:2:1::18",
+      "kavlan-6": "2001:660:4406:686:2:1::18",
+      "kavlan-7": "2001:660:4406:687:2:1::18",
+      "kavlan-8": "2001:660:4406:688:2:1::18",
+      "kavlan-9": "2001:660:4406:689:2:1::18"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -91,6 +131,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:600:2:1::18",
       "kavlan": true,
       "mac": "24:6e:96:6a:cf:ea",
       "management": false,
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-25.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-25.json
index fb460fd50b4cde1b9d3e409776f3ae3586c4320c..9422c8c8e344d35f517180430358f444afcd7a72 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-25.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-25.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.45.66.25"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:681:2::19",
+      "kavlan-11": "2001:660:4406:68b:2::19",
+      "kavlan-12": "2001:660:4406:68c:2::19",
+      "kavlan-13": "2001:660:4406:68d:2::19",
+      "kavlan-14": "2001:660:4406:68e:2::19",
+      "kavlan-16": "2001:660:4406:690:2::19",
+      "kavlan-18": "2001:660:4406:692:2::19",
+      "kavlan-2": "2001:660:4406:682:2::19",
+      "kavlan-20": "2001:660:4406:694:2::19",
+      "kavlan-21": "2001:660:4406:695:2::19",
+      "kavlan-3": "2001:660:4406:683:2::19",
+      "kavlan-4": "2001:660:4406:684:2::19",
+      "kavlan-5": "2001:660:4406:685:2::19",
+      "kavlan-6": "2001:660:4406:686:2::19",
+      "kavlan-7": "2001:660:4406:687:2::19",
+      "kavlan-8": "2001:660:4406:688:2::19",
+      "kavlan-9": "2001:660:4406:689:2::19"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:681:2:1::19",
+      "kavlan-11": "2001:660:4406:68b:2:1::19",
+      "kavlan-12": "2001:660:4406:68c:2:1::19",
+      "kavlan-13": "2001:660:4406:68d:2:1::19",
+      "kavlan-14": "2001:660:4406:68e:2:1::19",
+      "kavlan-16": "2001:660:4406:690:2:1::19",
+      "kavlan-18": "2001:660:4406:692:2:1::19",
+      "kavlan-2": "2001:660:4406:682:2:1::19",
+      "kavlan-20": "2001:660:4406:694:2:1::19",
+      "kavlan-21": "2001:660:4406:695:2:1::19",
+      "kavlan-3": "2001:660:4406:683:2:1::19",
+      "kavlan-4": "2001:660:4406:684:2:1::19",
+      "kavlan-5": "2001:660:4406:685:2:1::19",
+      "kavlan-6": "2001:660:4406:686:2:1::19",
+      "kavlan-7": "2001:660:4406:687:2:1::19",
+      "kavlan-8": "2001:660:4406:688:2:1::19",
+      "kavlan-9": "2001:660:4406:689:2:1::19"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -91,6 +131,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:600:2:1::19",
       "kavlan": true,
       "mac": "24:6e:96:6a:48:ba",
       "management": false,
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-26.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-26.json
index 31c86153a7b5919fd0cb7ca4b9a37539fb151752..fe1b3c0cefbc68375714aa18dd1a453740fcca8c 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-26.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-26.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.45.66.26"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:681:2::1a",
+      "kavlan-11": "2001:660:4406:68b:2::1a",
+      "kavlan-12": "2001:660:4406:68c:2::1a",
+      "kavlan-13": "2001:660:4406:68d:2::1a",
+      "kavlan-14": "2001:660:4406:68e:2::1a",
+      "kavlan-16": "2001:660:4406:690:2::1a",
+      "kavlan-18": "2001:660:4406:692:2::1a",
+      "kavlan-2": "2001:660:4406:682:2::1a",
+      "kavlan-20": "2001:660:4406:694:2::1a",
+      "kavlan-21": "2001:660:4406:695:2::1a",
+      "kavlan-3": "2001:660:4406:683:2::1a",
+      "kavlan-4": "2001:660:4406:684:2::1a",
+      "kavlan-5": "2001:660:4406:685:2::1a",
+      "kavlan-6": "2001:660:4406:686:2::1a",
+      "kavlan-7": "2001:660:4406:687:2::1a",
+      "kavlan-8": "2001:660:4406:688:2::1a",
+      "kavlan-9": "2001:660:4406:689:2::1a"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:681:2:1::1a",
+      "kavlan-11": "2001:660:4406:68b:2:1::1a",
+      "kavlan-12": "2001:660:4406:68c:2:1::1a",
+      "kavlan-13": "2001:660:4406:68d:2:1::1a",
+      "kavlan-14": "2001:660:4406:68e:2:1::1a",
+      "kavlan-16": "2001:660:4406:690:2:1::1a",
+      "kavlan-18": "2001:660:4406:692:2:1::1a",
+      "kavlan-2": "2001:660:4406:682:2:1::1a",
+      "kavlan-20": "2001:660:4406:694:2:1::1a",
+      "kavlan-21": "2001:660:4406:695:2:1::1a",
+      "kavlan-3": "2001:660:4406:683:2:1::1a",
+      "kavlan-4": "2001:660:4406:684:2:1::1a",
+      "kavlan-5": "2001:660:4406:685:2:1::1a",
+      "kavlan-6": "2001:660:4406:686:2:1::1a",
+      "kavlan-7": "2001:660:4406:687:2:1::1a",
+      "kavlan-8": "2001:660:4406:688:2:1::1a",
+      "kavlan-9": "2001:660:4406:689:2:1::1a"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -91,6 +131,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:600:2:1::1a",
       "kavlan": true,
       "mac": "24:6e:96:6a:4e:ea",
       "management": false,
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-27.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-27.json
index 9300c70b5c4f1706bd45e3034fcb455fc436b2f5..129354920af7dcf9679ad91d9948eed9a3a9aca1 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-27.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-27.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.45.66.27"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:681:2::1b",
+      "kavlan-11": "2001:660:4406:68b:2::1b",
+      "kavlan-12": "2001:660:4406:68c:2::1b",
+      "kavlan-13": "2001:660:4406:68d:2::1b",
+      "kavlan-14": "2001:660:4406:68e:2::1b",
+      "kavlan-16": "2001:660:4406:690:2::1b",
+      "kavlan-18": "2001:660:4406:692:2::1b",
+      "kavlan-2": "2001:660:4406:682:2::1b",
+      "kavlan-20": "2001:660:4406:694:2::1b",
+      "kavlan-21": "2001:660:4406:695:2::1b",
+      "kavlan-3": "2001:660:4406:683:2::1b",
+      "kavlan-4": "2001:660:4406:684:2::1b",
+      "kavlan-5": "2001:660:4406:685:2::1b",
+      "kavlan-6": "2001:660:4406:686:2::1b",
+      "kavlan-7": "2001:660:4406:687:2::1b",
+      "kavlan-8": "2001:660:4406:688:2::1b",
+      "kavlan-9": "2001:660:4406:689:2::1b"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:681:2:1::1b",
+      "kavlan-11": "2001:660:4406:68b:2:1::1b",
+      "kavlan-12": "2001:660:4406:68c:2:1::1b",
+      "kavlan-13": "2001:660:4406:68d:2:1::1b",
+      "kavlan-14": "2001:660:4406:68e:2:1::1b",
+      "kavlan-16": "2001:660:4406:690:2:1::1b",
+      "kavlan-18": "2001:660:4406:692:2:1::1b",
+      "kavlan-2": "2001:660:4406:682:2:1::1b",
+      "kavlan-20": "2001:660:4406:694:2:1::1b",
+      "kavlan-21": "2001:660:4406:695:2:1::1b",
+      "kavlan-3": "2001:660:4406:683:2:1::1b",
+      "kavlan-4": "2001:660:4406:684:2:1::1b",
+      "kavlan-5": "2001:660:4406:685:2:1::1b",
+      "kavlan-6": "2001:660:4406:686:2:1::1b",
+      "kavlan-7": "2001:660:4406:687:2:1::1b",
+      "kavlan-8": "2001:660:4406:688:2:1::1b",
+      "kavlan-9": "2001:660:4406:689:2:1::1b"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -91,6 +131,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:600:2:1::1b",
       "kavlan": true,
       "mac": "24:6e:96:6a:d9:fa",
       "management": false,
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-28.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-28.json
index 433dcd809d8ac5917800e31268811c58f8d52b32..d9a9625889806fbe49703c1feefc3c0331ffc0d1 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-28.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-28.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.45.66.28"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:681:2::1c",
+      "kavlan-11": "2001:660:4406:68b:2::1c",
+      "kavlan-12": "2001:660:4406:68c:2::1c",
+      "kavlan-13": "2001:660:4406:68d:2::1c",
+      "kavlan-14": "2001:660:4406:68e:2::1c",
+      "kavlan-16": "2001:660:4406:690:2::1c",
+      "kavlan-18": "2001:660:4406:692:2::1c",
+      "kavlan-2": "2001:660:4406:682:2::1c",
+      "kavlan-20": "2001:660:4406:694:2::1c",
+      "kavlan-21": "2001:660:4406:695:2::1c",
+      "kavlan-3": "2001:660:4406:683:2::1c",
+      "kavlan-4": "2001:660:4406:684:2::1c",
+      "kavlan-5": "2001:660:4406:685:2::1c",
+      "kavlan-6": "2001:660:4406:686:2::1c",
+      "kavlan-7": "2001:660:4406:687:2::1c",
+      "kavlan-8": "2001:660:4406:688:2::1c",
+      "kavlan-9": "2001:660:4406:689:2::1c"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:681:2:1::1c",
+      "kavlan-11": "2001:660:4406:68b:2:1::1c",
+      "kavlan-12": "2001:660:4406:68c:2:1::1c",
+      "kavlan-13": "2001:660:4406:68d:2:1::1c",
+      "kavlan-14": "2001:660:4406:68e:2:1::1c",
+      "kavlan-16": "2001:660:4406:690:2:1::1c",
+      "kavlan-18": "2001:660:4406:692:2:1::1c",
+      "kavlan-2": "2001:660:4406:682:2:1::1c",
+      "kavlan-20": "2001:660:4406:694:2:1::1c",
+      "kavlan-21": "2001:660:4406:695:2:1::1c",
+      "kavlan-3": "2001:660:4406:683:2:1::1c",
+      "kavlan-4": "2001:660:4406:684:2:1::1c",
+      "kavlan-5": "2001:660:4406:685:2:1::1c",
+      "kavlan-6": "2001:660:4406:686:2:1::1c",
+      "kavlan-7": "2001:660:4406:687:2:1::1c",
+      "kavlan-8": "2001:660:4406:688:2:1::1c",
+      "kavlan-9": "2001:660:4406:689:2:1::1c"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -91,6 +131,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:600:2:1::1c",
       "kavlan": true,
       "mac": "24:6e:96:6a:ca:d2",
       "management": false,
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-29.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-29.json
index 6a0f9a81f3ca44478ece7b425b80a2b51c6ea5da..590f04387fe9ac0c9e7d04fcb7b300661681de43 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-29.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-29.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.45.66.29"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:681:2::1d",
+      "kavlan-11": "2001:660:4406:68b:2::1d",
+      "kavlan-12": "2001:660:4406:68c:2::1d",
+      "kavlan-13": "2001:660:4406:68d:2::1d",
+      "kavlan-14": "2001:660:4406:68e:2::1d",
+      "kavlan-16": "2001:660:4406:690:2::1d",
+      "kavlan-18": "2001:660:4406:692:2::1d",
+      "kavlan-2": "2001:660:4406:682:2::1d",
+      "kavlan-20": "2001:660:4406:694:2::1d",
+      "kavlan-21": "2001:660:4406:695:2::1d",
+      "kavlan-3": "2001:660:4406:683:2::1d",
+      "kavlan-4": "2001:660:4406:684:2::1d",
+      "kavlan-5": "2001:660:4406:685:2::1d",
+      "kavlan-6": "2001:660:4406:686:2::1d",
+      "kavlan-7": "2001:660:4406:687:2::1d",
+      "kavlan-8": "2001:660:4406:688:2::1d",
+      "kavlan-9": "2001:660:4406:689:2::1d"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:681:2:1::1d",
+      "kavlan-11": "2001:660:4406:68b:2:1::1d",
+      "kavlan-12": "2001:660:4406:68c:2:1::1d",
+      "kavlan-13": "2001:660:4406:68d:2:1::1d",
+      "kavlan-14": "2001:660:4406:68e:2:1::1d",
+      "kavlan-16": "2001:660:4406:690:2:1::1d",
+      "kavlan-18": "2001:660:4406:692:2:1::1d",
+      "kavlan-2": "2001:660:4406:682:2:1::1d",
+      "kavlan-20": "2001:660:4406:694:2:1::1d",
+      "kavlan-21": "2001:660:4406:695:2:1::1d",
+      "kavlan-3": "2001:660:4406:683:2:1::1d",
+      "kavlan-4": "2001:660:4406:684:2:1::1d",
+      "kavlan-5": "2001:660:4406:685:2:1::1d",
+      "kavlan-6": "2001:660:4406:686:2:1::1d",
+      "kavlan-7": "2001:660:4406:687:2:1::1d",
+      "kavlan-8": "2001:660:4406:688:2:1::1d",
+      "kavlan-9": "2001:660:4406:689:2:1::1d"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -91,6 +131,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:600:2:1::1d",
       "kavlan": true,
       "mac": "24:6e:96:6a:d8:22",
       "management": false,
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-3.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-3.json
index 6519bf939add33af94bb90f7ece39cd011a306ec..3699a1c4a2cf4473ee8387e26665c298778e592a 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-3.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-3.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.45.66.3"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:681:2::3",
+      "kavlan-11": "2001:660:4406:68b:2::3",
+      "kavlan-12": "2001:660:4406:68c:2::3",
+      "kavlan-13": "2001:660:4406:68d:2::3",
+      "kavlan-14": "2001:660:4406:68e:2::3",
+      "kavlan-16": "2001:660:4406:690:2::3",
+      "kavlan-18": "2001:660:4406:692:2::3",
+      "kavlan-2": "2001:660:4406:682:2::3",
+      "kavlan-20": "2001:660:4406:694:2::3",
+      "kavlan-21": "2001:660:4406:695:2::3",
+      "kavlan-3": "2001:660:4406:683:2::3",
+      "kavlan-4": "2001:660:4406:684:2::3",
+      "kavlan-5": "2001:660:4406:685:2::3",
+      "kavlan-6": "2001:660:4406:686:2::3",
+      "kavlan-7": "2001:660:4406:687:2::3",
+      "kavlan-8": "2001:660:4406:688:2::3",
+      "kavlan-9": "2001:660:4406:689:2::3"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:681:2:1::3",
+      "kavlan-11": "2001:660:4406:68b:2:1::3",
+      "kavlan-12": "2001:660:4406:68c:2:1::3",
+      "kavlan-13": "2001:660:4406:68d:2:1::3",
+      "kavlan-14": "2001:660:4406:68e:2:1::3",
+      "kavlan-16": "2001:660:4406:690:2:1::3",
+      "kavlan-18": "2001:660:4406:692:2:1::3",
+      "kavlan-2": "2001:660:4406:682:2:1::3",
+      "kavlan-20": "2001:660:4406:694:2:1::3",
+      "kavlan-21": "2001:660:4406:695:2:1::3",
+      "kavlan-3": "2001:660:4406:683:2:1::3",
+      "kavlan-4": "2001:660:4406:684:2:1::3",
+      "kavlan-5": "2001:660:4406:685:2:1::3",
+      "kavlan-6": "2001:660:4406:686:2:1::3",
+      "kavlan-7": "2001:660:4406:687:2:1::3",
+      "kavlan-8": "2001:660:4406:688:2:1::3",
+      "kavlan-9": "2001:660:4406:689:2:1::3"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -91,6 +131,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:600:2:1::3",
       "kavlan": true,
       "mac": "24:6e:96:6a:d7:1a",
       "management": false,
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-30.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-30.json
index f793e23085494ae52b8467959a004046aa8c49e2..8144be64e305c725556d8bf8f1c71b414cd9c0a8 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-30.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-30.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.45.66.30"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:681:2::1e",
+      "kavlan-11": "2001:660:4406:68b:2::1e",
+      "kavlan-12": "2001:660:4406:68c:2::1e",
+      "kavlan-13": "2001:660:4406:68d:2::1e",
+      "kavlan-14": "2001:660:4406:68e:2::1e",
+      "kavlan-16": "2001:660:4406:690:2::1e",
+      "kavlan-18": "2001:660:4406:692:2::1e",
+      "kavlan-2": "2001:660:4406:682:2::1e",
+      "kavlan-20": "2001:660:4406:694:2::1e",
+      "kavlan-21": "2001:660:4406:695:2::1e",
+      "kavlan-3": "2001:660:4406:683:2::1e",
+      "kavlan-4": "2001:660:4406:684:2::1e",
+      "kavlan-5": "2001:660:4406:685:2::1e",
+      "kavlan-6": "2001:660:4406:686:2::1e",
+      "kavlan-7": "2001:660:4406:687:2::1e",
+      "kavlan-8": "2001:660:4406:688:2::1e",
+      "kavlan-9": "2001:660:4406:689:2::1e"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:681:2:1::1e",
+      "kavlan-11": "2001:660:4406:68b:2:1::1e",
+      "kavlan-12": "2001:660:4406:68c:2:1::1e",
+      "kavlan-13": "2001:660:4406:68d:2:1::1e",
+      "kavlan-14": "2001:660:4406:68e:2:1::1e",
+      "kavlan-16": "2001:660:4406:690:2:1::1e",
+      "kavlan-18": "2001:660:4406:692:2:1::1e",
+      "kavlan-2": "2001:660:4406:682:2:1::1e",
+      "kavlan-20": "2001:660:4406:694:2:1::1e",
+      "kavlan-21": "2001:660:4406:695:2:1::1e",
+      "kavlan-3": "2001:660:4406:683:2:1::1e",
+      "kavlan-4": "2001:660:4406:684:2:1::1e",
+      "kavlan-5": "2001:660:4406:685:2:1::1e",
+      "kavlan-6": "2001:660:4406:686:2:1::1e",
+      "kavlan-7": "2001:660:4406:687:2:1::1e",
+      "kavlan-8": "2001:660:4406:688:2:1::1e",
+      "kavlan-9": "2001:660:4406:689:2:1::1e"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -91,6 +131,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:600:2:1::1e",
       "kavlan": true,
       "mac": "24:6e:96:6a:51:8a",
       "management": false,
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-31.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-31.json
index 0f577fea1845c3f5422ee31fd29eb798a728dc85..3cf374a8c6cda393e5e1af9864c1be936198a025 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-31.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-31.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.45.66.31"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:681:2::1f",
+      "kavlan-11": "2001:660:4406:68b:2::1f",
+      "kavlan-12": "2001:660:4406:68c:2::1f",
+      "kavlan-13": "2001:660:4406:68d:2::1f",
+      "kavlan-14": "2001:660:4406:68e:2::1f",
+      "kavlan-16": "2001:660:4406:690:2::1f",
+      "kavlan-18": "2001:660:4406:692:2::1f",
+      "kavlan-2": "2001:660:4406:682:2::1f",
+      "kavlan-20": "2001:660:4406:694:2::1f",
+      "kavlan-21": "2001:660:4406:695:2::1f",
+      "kavlan-3": "2001:660:4406:683:2::1f",
+      "kavlan-4": "2001:660:4406:684:2::1f",
+      "kavlan-5": "2001:660:4406:685:2::1f",
+      "kavlan-6": "2001:660:4406:686:2::1f",
+      "kavlan-7": "2001:660:4406:687:2::1f",
+      "kavlan-8": "2001:660:4406:688:2::1f",
+      "kavlan-9": "2001:660:4406:689:2::1f"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:681:2:1::1f",
+      "kavlan-11": "2001:660:4406:68b:2:1::1f",
+      "kavlan-12": "2001:660:4406:68c:2:1::1f",
+      "kavlan-13": "2001:660:4406:68d:2:1::1f",
+      "kavlan-14": "2001:660:4406:68e:2:1::1f",
+      "kavlan-16": "2001:660:4406:690:2:1::1f",
+      "kavlan-18": "2001:660:4406:692:2:1::1f",
+      "kavlan-2": "2001:660:4406:682:2:1::1f",
+      "kavlan-20": "2001:660:4406:694:2:1::1f",
+      "kavlan-21": "2001:660:4406:695:2:1::1f",
+      "kavlan-3": "2001:660:4406:683:2:1::1f",
+      "kavlan-4": "2001:660:4406:684:2:1::1f",
+      "kavlan-5": "2001:660:4406:685:2:1::1f",
+      "kavlan-6": "2001:660:4406:686:2:1::1f",
+      "kavlan-7": "2001:660:4406:687:2:1::1f",
+      "kavlan-8": "2001:660:4406:688:2:1::1f",
+      "kavlan-9": "2001:660:4406:689:2:1::1f"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -91,6 +131,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:600:2:1::1f",
       "kavlan": true,
       "mac": "24:6e:96:6a:d8:2a",
       "management": false,
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-32.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-32.json
index b0ef2c9ac0b228a6fd76b7c37eb4c8a2b12dacec..e7af0bb10a8273350a16b8d76ffc0336f5cb61ca 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-32.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-32.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.45.66.32"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:681:2::20",
+      "kavlan-11": "2001:660:4406:68b:2::20",
+      "kavlan-12": "2001:660:4406:68c:2::20",
+      "kavlan-13": "2001:660:4406:68d:2::20",
+      "kavlan-14": "2001:660:4406:68e:2::20",
+      "kavlan-16": "2001:660:4406:690:2::20",
+      "kavlan-18": "2001:660:4406:692:2::20",
+      "kavlan-2": "2001:660:4406:682:2::20",
+      "kavlan-20": "2001:660:4406:694:2::20",
+      "kavlan-21": "2001:660:4406:695:2::20",
+      "kavlan-3": "2001:660:4406:683:2::20",
+      "kavlan-4": "2001:660:4406:684:2::20",
+      "kavlan-5": "2001:660:4406:685:2::20",
+      "kavlan-6": "2001:660:4406:686:2::20",
+      "kavlan-7": "2001:660:4406:687:2::20",
+      "kavlan-8": "2001:660:4406:688:2::20",
+      "kavlan-9": "2001:660:4406:689:2::20"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:681:2:1::20",
+      "kavlan-11": "2001:660:4406:68b:2:1::20",
+      "kavlan-12": "2001:660:4406:68c:2:1::20",
+      "kavlan-13": "2001:660:4406:68d:2:1::20",
+      "kavlan-14": "2001:660:4406:68e:2:1::20",
+      "kavlan-16": "2001:660:4406:690:2:1::20",
+      "kavlan-18": "2001:660:4406:692:2:1::20",
+      "kavlan-2": "2001:660:4406:682:2:1::20",
+      "kavlan-20": "2001:660:4406:694:2:1::20",
+      "kavlan-21": "2001:660:4406:695:2:1::20",
+      "kavlan-3": "2001:660:4406:683:2:1::20",
+      "kavlan-4": "2001:660:4406:684:2:1::20",
+      "kavlan-5": "2001:660:4406:685:2:1::20",
+      "kavlan-6": "2001:660:4406:686:2:1::20",
+      "kavlan-7": "2001:660:4406:687:2:1::20",
+      "kavlan-8": "2001:660:4406:688:2:1::20",
+      "kavlan-9": "2001:660:4406:689:2:1::20"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -91,6 +131,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:600:2:1::20",
       "kavlan": true,
       "mac": "24:6e:96:6a:d6:0a",
       "management": false,
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-33.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-33.json
index f1d92414d3eb0f1f2cb62dc5962563c0e2f79bb0..9d111e04f38e871cedcfde10cb1121e8b40c972a 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-33.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-33.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.45.66.33"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:681:2::21",
+      "kavlan-11": "2001:660:4406:68b:2::21",
+      "kavlan-12": "2001:660:4406:68c:2::21",
+      "kavlan-13": "2001:660:4406:68d:2::21",
+      "kavlan-14": "2001:660:4406:68e:2::21",
+      "kavlan-16": "2001:660:4406:690:2::21",
+      "kavlan-18": "2001:660:4406:692:2::21",
+      "kavlan-2": "2001:660:4406:682:2::21",
+      "kavlan-20": "2001:660:4406:694:2::21",
+      "kavlan-21": "2001:660:4406:695:2::21",
+      "kavlan-3": "2001:660:4406:683:2::21",
+      "kavlan-4": "2001:660:4406:684:2::21",
+      "kavlan-5": "2001:660:4406:685:2::21",
+      "kavlan-6": "2001:660:4406:686:2::21",
+      "kavlan-7": "2001:660:4406:687:2::21",
+      "kavlan-8": "2001:660:4406:688:2::21",
+      "kavlan-9": "2001:660:4406:689:2::21"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:681:2:1::21",
+      "kavlan-11": "2001:660:4406:68b:2:1::21",
+      "kavlan-12": "2001:660:4406:68c:2:1::21",
+      "kavlan-13": "2001:660:4406:68d:2:1::21",
+      "kavlan-14": "2001:660:4406:68e:2:1::21",
+      "kavlan-16": "2001:660:4406:690:2:1::21",
+      "kavlan-18": "2001:660:4406:692:2:1::21",
+      "kavlan-2": "2001:660:4406:682:2:1::21",
+      "kavlan-20": "2001:660:4406:694:2:1::21",
+      "kavlan-21": "2001:660:4406:695:2:1::21",
+      "kavlan-3": "2001:660:4406:683:2:1::21",
+      "kavlan-4": "2001:660:4406:684:2:1::21",
+      "kavlan-5": "2001:660:4406:685:2:1::21",
+      "kavlan-6": "2001:660:4406:686:2:1::21",
+      "kavlan-7": "2001:660:4406:687:2:1::21",
+      "kavlan-8": "2001:660:4406:688:2:1::21",
+      "kavlan-9": "2001:660:4406:689:2:1::21"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -91,6 +131,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:600:2:1::21",
       "kavlan": true,
       "mac": "24:6e:96:6a:4e:8a",
       "management": false,
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-34.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-34.json
index 357dbbcd098f8227937ee3d281800345e5f960dd..f5c5e4eb5e258e4747437ce94e89ddfc8942c24b 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-34.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-34.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.45.66.34"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:681:2::22",
+      "kavlan-11": "2001:660:4406:68b:2::22",
+      "kavlan-12": "2001:660:4406:68c:2::22",
+      "kavlan-13": "2001:660:4406:68d:2::22",
+      "kavlan-14": "2001:660:4406:68e:2::22",
+      "kavlan-16": "2001:660:4406:690:2::22",
+      "kavlan-18": "2001:660:4406:692:2::22",
+      "kavlan-2": "2001:660:4406:682:2::22",
+      "kavlan-20": "2001:660:4406:694:2::22",
+      "kavlan-21": "2001:660:4406:695:2::22",
+      "kavlan-3": "2001:660:4406:683:2::22",
+      "kavlan-4": "2001:660:4406:684:2::22",
+      "kavlan-5": "2001:660:4406:685:2::22",
+      "kavlan-6": "2001:660:4406:686:2::22",
+      "kavlan-7": "2001:660:4406:687:2::22",
+      "kavlan-8": "2001:660:4406:688:2::22",
+      "kavlan-9": "2001:660:4406:689:2::22"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:681:2:1::22",
+      "kavlan-11": "2001:660:4406:68b:2:1::22",
+      "kavlan-12": "2001:660:4406:68c:2:1::22",
+      "kavlan-13": "2001:660:4406:68d:2:1::22",
+      "kavlan-14": "2001:660:4406:68e:2:1::22",
+      "kavlan-16": "2001:660:4406:690:2:1::22",
+      "kavlan-18": "2001:660:4406:692:2:1::22",
+      "kavlan-2": "2001:660:4406:682:2:1::22",
+      "kavlan-20": "2001:660:4406:694:2:1::22",
+      "kavlan-21": "2001:660:4406:695:2:1::22",
+      "kavlan-3": "2001:660:4406:683:2:1::22",
+      "kavlan-4": "2001:660:4406:684:2:1::22",
+      "kavlan-5": "2001:660:4406:685:2:1::22",
+      "kavlan-6": "2001:660:4406:686:2:1::22",
+      "kavlan-7": "2001:660:4406:687:2:1::22",
+      "kavlan-8": "2001:660:4406:688:2:1::22",
+      "kavlan-9": "2001:660:4406:689:2:1::22"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -91,6 +131,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:600:2:1::22",
       "kavlan": true,
       "mac": "24:6e:96:6a:c9:4a",
       "management": false,
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-35.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-35.json
index ea0f9cf40585921df50fc32d33328a9704d1a22f..998d52fd855af8078925ecd344d59765808bc84c 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-35.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-35.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.45.66.35"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:681:2::23",
+      "kavlan-11": "2001:660:4406:68b:2::23",
+      "kavlan-12": "2001:660:4406:68c:2::23",
+      "kavlan-13": "2001:660:4406:68d:2::23",
+      "kavlan-14": "2001:660:4406:68e:2::23",
+      "kavlan-16": "2001:660:4406:690:2::23",
+      "kavlan-18": "2001:660:4406:692:2::23",
+      "kavlan-2": "2001:660:4406:682:2::23",
+      "kavlan-20": "2001:660:4406:694:2::23",
+      "kavlan-21": "2001:660:4406:695:2::23",
+      "kavlan-3": "2001:660:4406:683:2::23",
+      "kavlan-4": "2001:660:4406:684:2::23",
+      "kavlan-5": "2001:660:4406:685:2::23",
+      "kavlan-6": "2001:660:4406:686:2::23",
+      "kavlan-7": "2001:660:4406:687:2::23",
+      "kavlan-8": "2001:660:4406:688:2::23",
+      "kavlan-9": "2001:660:4406:689:2::23"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:681:2:1::23",
+      "kavlan-11": "2001:660:4406:68b:2:1::23",
+      "kavlan-12": "2001:660:4406:68c:2:1::23",
+      "kavlan-13": "2001:660:4406:68d:2:1::23",
+      "kavlan-14": "2001:660:4406:68e:2:1::23",
+      "kavlan-16": "2001:660:4406:690:2:1::23",
+      "kavlan-18": "2001:660:4406:692:2:1::23",
+      "kavlan-2": "2001:660:4406:682:2:1::23",
+      "kavlan-20": "2001:660:4406:694:2:1::23",
+      "kavlan-21": "2001:660:4406:695:2:1::23",
+      "kavlan-3": "2001:660:4406:683:2:1::23",
+      "kavlan-4": "2001:660:4406:684:2:1::23",
+      "kavlan-5": "2001:660:4406:685:2:1::23",
+      "kavlan-6": "2001:660:4406:686:2:1::23",
+      "kavlan-7": "2001:660:4406:687:2:1::23",
+      "kavlan-8": "2001:660:4406:688:2:1::23",
+      "kavlan-9": "2001:660:4406:689:2:1::23"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -91,6 +131,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:600:2:1::23",
       "kavlan": true,
       "mac": "24:6e:96:6a:d1:22",
       "management": false,
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-36.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-36.json
index 88d358cb5bebbee827a2c798b0fa5518a7208b95..6f03831987b3a8cbf78549e58546f9c086f1dc04 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-36.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-36.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.45.66.36"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:681:2::24",
+      "kavlan-11": "2001:660:4406:68b:2::24",
+      "kavlan-12": "2001:660:4406:68c:2::24",
+      "kavlan-13": "2001:660:4406:68d:2::24",
+      "kavlan-14": "2001:660:4406:68e:2::24",
+      "kavlan-16": "2001:660:4406:690:2::24",
+      "kavlan-18": "2001:660:4406:692:2::24",
+      "kavlan-2": "2001:660:4406:682:2::24",
+      "kavlan-20": "2001:660:4406:694:2::24",
+      "kavlan-21": "2001:660:4406:695:2::24",
+      "kavlan-3": "2001:660:4406:683:2::24",
+      "kavlan-4": "2001:660:4406:684:2::24",
+      "kavlan-5": "2001:660:4406:685:2::24",
+      "kavlan-6": "2001:660:4406:686:2::24",
+      "kavlan-7": "2001:660:4406:687:2::24",
+      "kavlan-8": "2001:660:4406:688:2::24",
+      "kavlan-9": "2001:660:4406:689:2::24"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:681:2:1::24",
+      "kavlan-11": "2001:660:4406:68b:2:1::24",
+      "kavlan-12": "2001:660:4406:68c:2:1::24",
+      "kavlan-13": "2001:660:4406:68d:2:1::24",
+      "kavlan-14": "2001:660:4406:68e:2:1::24",
+      "kavlan-16": "2001:660:4406:690:2:1::24",
+      "kavlan-18": "2001:660:4406:692:2:1::24",
+      "kavlan-2": "2001:660:4406:682:2:1::24",
+      "kavlan-20": "2001:660:4406:694:2:1::24",
+      "kavlan-21": "2001:660:4406:695:2:1::24",
+      "kavlan-3": "2001:660:4406:683:2:1::24",
+      "kavlan-4": "2001:660:4406:684:2:1::24",
+      "kavlan-5": "2001:660:4406:685:2:1::24",
+      "kavlan-6": "2001:660:4406:686:2:1::24",
+      "kavlan-7": "2001:660:4406:687:2:1::24",
+      "kavlan-8": "2001:660:4406:688:2:1::24",
+      "kavlan-9": "2001:660:4406:689:2:1::24"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -91,6 +131,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:600:2:1::24",
       "kavlan": true,
       "mac": "24:6e:96:6a:56:62",
       "management": false,
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-37.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-37.json
index d282724131a5e996f764ec25278f151bd50cea7e..23cf81c6d02ba5214742088d5df58d8e84599758 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-37.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-37.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.45.66.37"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:681:2::25",
+      "kavlan-11": "2001:660:4406:68b:2::25",
+      "kavlan-12": "2001:660:4406:68c:2::25",
+      "kavlan-13": "2001:660:4406:68d:2::25",
+      "kavlan-14": "2001:660:4406:68e:2::25",
+      "kavlan-16": "2001:660:4406:690:2::25",
+      "kavlan-18": "2001:660:4406:692:2::25",
+      "kavlan-2": "2001:660:4406:682:2::25",
+      "kavlan-20": "2001:660:4406:694:2::25",
+      "kavlan-21": "2001:660:4406:695:2::25",
+      "kavlan-3": "2001:660:4406:683:2::25",
+      "kavlan-4": "2001:660:4406:684:2::25",
+      "kavlan-5": "2001:660:4406:685:2::25",
+      "kavlan-6": "2001:660:4406:686:2::25",
+      "kavlan-7": "2001:660:4406:687:2::25",
+      "kavlan-8": "2001:660:4406:688:2::25",
+      "kavlan-9": "2001:660:4406:689:2::25"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:681:2:1::25",
+      "kavlan-11": "2001:660:4406:68b:2:1::25",
+      "kavlan-12": "2001:660:4406:68c:2:1::25",
+      "kavlan-13": "2001:660:4406:68d:2:1::25",
+      "kavlan-14": "2001:660:4406:68e:2:1::25",
+      "kavlan-16": "2001:660:4406:690:2:1::25",
+      "kavlan-18": "2001:660:4406:692:2:1::25",
+      "kavlan-2": "2001:660:4406:682:2:1::25",
+      "kavlan-20": "2001:660:4406:694:2:1::25",
+      "kavlan-21": "2001:660:4406:695:2:1::25",
+      "kavlan-3": "2001:660:4406:683:2:1::25",
+      "kavlan-4": "2001:660:4406:684:2:1::25",
+      "kavlan-5": "2001:660:4406:685:2:1::25",
+      "kavlan-6": "2001:660:4406:686:2:1::25",
+      "kavlan-7": "2001:660:4406:687:2:1::25",
+      "kavlan-8": "2001:660:4406:688:2:1::25",
+      "kavlan-9": "2001:660:4406:689:2:1::25"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -91,6 +131,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:600:2:1::25",
       "kavlan": true,
       "mac": "24:6e:96:6a:cc:d2",
       "management": false,
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-38.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-38.json
index 11eb93c497e7ddc14376834f69307f7776239994..aba7819ad0a4922f79bcb883f8e5d3cb7168a6d0 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-38.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-38.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.45.66.38"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:681:2::26",
+      "kavlan-11": "2001:660:4406:68b:2::26",
+      "kavlan-12": "2001:660:4406:68c:2::26",
+      "kavlan-13": "2001:660:4406:68d:2::26",
+      "kavlan-14": "2001:660:4406:68e:2::26",
+      "kavlan-16": "2001:660:4406:690:2::26",
+      "kavlan-18": "2001:660:4406:692:2::26",
+      "kavlan-2": "2001:660:4406:682:2::26",
+      "kavlan-20": "2001:660:4406:694:2::26",
+      "kavlan-21": "2001:660:4406:695:2::26",
+      "kavlan-3": "2001:660:4406:683:2::26",
+      "kavlan-4": "2001:660:4406:684:2::26",
+      "kavlan-5": "2001:660:4406:685:2::26",
+      "kavlan-6": "2001:660:4406:686:2::26",
+      "kavlan-7": "2001:660:4406:687:2::26",
+      "kavlan-8": "2001:660:4406:688:2::26",
+      "kavlan-9": "2001:660:4406:689:2::26"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:681:2:1::26",
+      "kavlan-11": "2001:660:4406:68b:2:1::26",
+      "kavlan-12": "2001:660:4406:68c:2:1::26",
+      "kavlan-13": "2001:660:4406:68d:2:1::26",
+      "kavlan-14": "2001:660:4406:68e:2:1::26",
+      "kavlan-16": "2001:660:4406:690:2:1::26",
+      "kavlan-18": "2001:660:4406:692:2:1::26",
+      "kavlan-2": "2001:660:4406:682:2:1::26",
+      "kavlan-20": "2001:660:4406:694:2:1::26",
+      "kavlan-21": "2001:660:4406:695:2:1::26",
+      "kavlan-3": "2001:660:4406:683:2:1::26",
+      "kavlan-4": "2001:660:4406:684:2:1::26",
+      "kavlan-5": "2001:660:4406:685:2:1::26",
+      "kavlan-6": "2001:660:4406:686:2:1::26",
+      "kavlan-7": "2001:660:4406:687:2:1::26",
+      "kavlan-8": "2001:660:4406:688:2:1::26",
+      "kavlan-9": "2001:660:4406:689:2:1::26"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -91,6 +131,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:600:2:1::26",
       "kavlan": true,
       "mac": "24:6e:96:6a:d7:8a",
       "management": false,
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-39.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-39.json
index e3db739c6e8371274b084658b3bfb73e59ce969d..e2470a274884dc647224e438ccb85f2b9b5ae972 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-39.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-39.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.45.66.39"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:681:2::27",
+      "kavlan-11": "2001:660:4406:68b:2::27",
+      "kavlan-12": "2001:660:4406:68c:2::27",
+      "kavlan-13": "2001:660:4406:68d:2::27",
+      "kavlan-14": "2001:660:4406:68e:2::27",
+      "kavlan-16": "2001:660:4406:690:2::27",
+      "kavlan-18": "2001:660:4406:692:2::27",
+      "kavlan-2": "2001:660:4406:682:2::27",
+      "kavlan-20": "2001:660:4406:694:2::27",
+      "kavlan-21": "2001:660:4406:695:2::27",
+      "kavlan-3": "2001:660:4406:683:2::27",
+      "kavlan-4": "2001:660:4406:684:2::27",
+      "kavlan-5": "2001:660:4406:685:2::27",
+      "kavlan-6": "2001:660:4406:686:2::27",
+      "kavlan-7": "2001:660:4406:687:2::27",
+      "kavlan-8": "2001:660:4406:688:2::27",
+      "kavlan-9": "2001:660:4406:689:2::27"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:681:2:1::27",
+      "kavlan-11": "2001:660:4406:68b:2:1::27",
+      "kavlan-12": "2001:660:4406:68c:2:1::27",
+      "kavlan-13": "2001:660:4406:68d:2:1::27",
+      "kavlan-14": "2001:660:4406:68e:2:1::27",
+      "kavlan-16": "2001:660:4406:690:2:1::27",
+      "kavlan-18": "2001:660:4406:692:2:1::27",
+      "kavlan-2": "2001:660:4406:682:2:1::27",
+      "kavlan-20": "2001:660:4406:694:2:1::27",
+      "kavlan-21": "2001:660:4406:695:2:1::27",
+      "kavlan-3": "2001:660:4406:683:2:1::27",
+      "kavlan-4": "2001:660:4406:684:2:1::27",
+      "kavlan-5": "2001:660:4406:685:2:1::27",
+      "kavlan-6": "2001:660:4406:686:2:1::27",
+      "kavlan-7": "2001:660:4406:687:2:1::27",
+      "kavlan-8": "2001:660:4406:688:2:1::27",
+      "kavlan-9": "2001:660:4406:689:2:1::27"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -91,6 +131,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:600:2:1::27",
       "kavlan": true,
       "mac": "24:6e:96:6a:d1:1a",
       "management": false,
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-4.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-4.json
index 229dcf22871dcc93553680faadba082725714c45..a237d56cd858a1b187313bdb7676cc486ce716e6 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-4.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-4.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.45.66.4"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:681:2::4",
+      "kavlan-11": "2001:660:4406:68b:2::4",
+      "kavlan-12": "2001:660:4406:68c:2::4",
+      "kavlan-13": "2001:660:4406:68d:2::4",
+      "kavlan-14": "2001:660:4406:68e:2::4",
+      "kavlan-16": "2001:660:4406:690:2::4",
+      "kavlan-18": "2001:660:4406:692:2::4",
+      "kavlan-2": "2001:660:4406:682:2::4",
+      "kavlan-20": "2001:660:4406:694:2::4",
+      "kavlan-21": "2001:660:4406:695:2::4",
+      "kavlan-3": "2001:660:4406:683:2::4",
+      "kavlan-4": "2001:660:4406:684:2::4",
+      "kavlan-5": "2001:660:4406:685:2::4",
+      "kavlan-6": "2001:660:4406:686:2::4",
+      "kavlan-7": "2001:660:4406:687:2::4",
+      "kavlan-8": "2001:660:4406:688:2::4",
+      "kavlan-9": "2001:660:4406:689:2::4"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:681:2:1::4",
+      "kavlan-11": "2001:660:4406:68b:2:1::4",
+      "kavlan-12": "2001:660:4406:68c:2:1::4",
+      "kavlan-13": "2001:660:4406:68d:2:1::4",
+      "kavlan-14": "2001:660:4406:68e:2:1::4",
+      "kavlan-16": "2001:660:4406:690:2:1::4",
+      "kavlan-18": "2001:660:4406:692:2:1::4",
+      "kavlan-2": "2001:660:4406:682:2:1::4",
+      "kavlan-20": "2001:660:4406:694:2:1::4",
+      "kavlan-21": "2001:660:4406:695:2:1::4",
+      "kavlan-3": "2001:660:4406:683:2:1::4",
+      "kavlan-4": "2001:660:4406:684:2:1::4",
+      "kavlan-5": "2001:660:4406:685:2:1::4",
+      "kavlan-6": "2001:660:4406:686:2:1::4",
+      "kavlan-7": "2001:660:4406:687:2:1::4",
+      "kavlan-8": "2001:660:4406:688:2:1::4",
+      "kavlan-9": "2001:660:4406:689:2:1::4"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -91,6 +131,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:600:2:1::4",
       "kavlan": true,
       "mac": "24:6e:96:6a:d7:0a",
       "management": false,
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-40.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-40.json
index fca6195d477ffa2a289f80d27643dff8de81be3b..30861aec686ae66f65b2ed58347dc96e835d2825 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-40.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-40.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.45.66.40"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:681:2::28",
+      "kavlan-11": "2001:660:4406:68b:2::28",
+      "kavlan-12": "2001:660:4406:68c:2::28",
+      "kavlan-13": "2001:660:4406:68d:2::28",
+      "kavlan-14": "2001:660:4406:68e:2::28",
+      "kavlan-16": "2001:660:4406:690:2::28",
+      "kavlan-18": "2001:660:4406:692:2::28",
+      "kavlan-2": "2001:660:4406:682:2::28",
+      "kavlan-20": "2001:660:4406:694:2::28",
+      "kavlan-21": "2001:660:4406:695:2::28",
+      "kavlan-3": "2001:660:4406:683:2::28",
+      "kavlan-4": "2001:660:4406:684:2::28",
+      "kavlan-5": "2001:660:4406:685:2::28",
+      "kavlan-6": "2001:660:4406:686:2::28",
+      "kavlan-7": "2001:660:4406:687:2::28",
+      "kavlan-8": "2001:660:4406:688:2::28",
+      "kavlan-9": "2001:660:4406:689:2::28"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:681:2:1::28",
+      "kavlan-11": "2001:660:4406:68b:2:1::28",
+      "kavlan-12": "2001:660:4406:68c:2:1::28",
+      "kavlan-13": "2001:660:4406:68d:2:1::28",
+      "kavlan-14": "2001:660:4406:68e:2:1::28",
+      "kavlan-16": "2001:660:4406:690:2:1::28",
+      "kavlan-18": "2001:660:4406:692:2:1::28",
+      "kavlan-2": "2001:660:4406:682:2:1::28",
+      "kavlan-20": "2001:660:4406:694:2:1::28",
+      "kavlan-21": "2001:660:4406:695:2:1::28",
+      "kavlan-3": "2001:660:4406:683:2:1::28",
+      "kavlan-4": "2001:660:4406:684:2:1::28",
+      "kavlan-5": "2001:660:4406:685:2:1::28",
+      "kavlan-6": "2001:660:4406:686:2:1::28",
+      "kavlan-7": "2001:660:4406:687:2:1::28",
+      "kavlan-8": "2001:660:4406:688:2:1::28",
+      "kavlan-9": "2001:660:4406:689:2:1::28"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -91,6 +131,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:600:2:1::28",
       "kavlan": true,
       "mac": "24:6e:96:6a:4f:22",
       "management": false,
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-41.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-41.json
index 6a68a0e9188b76b51f7ca1f69f41abebf8e43879..509e49bf249a3ff90510d950ebe7a36bb5891e41 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-41.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-41.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.45.66.41"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:681:2::29",
+      "kavlan-11": "2001:660:4406:68b:2::29",
+      "kavlan-12": "2001:660:4406:68c:2::29",
+      "kavlan-13": "2001:660:4406:68d:2::29",
+      "kavlan-14": "2001:660:4406:68e:2::29",
+      "kavlan-16": "2001:660:4406:690:2::29",
+      "kavlan-18": "2001:660:4406:692:2::29",
+      "kavlan-2": "2001:660:4406:682:2::29",
+      "kavlan-20": "2001:660:4406:694:2::29",
+      "kavlan-21": "2001:660:4406:695:2::29",
+      "kavlan-3": "2001:660:4406:683:2::29",
+      "kavlan-4": "2001:660:4406:684:2::29",
+      "kavlan-5": "2001:660:4406:685:2::29",
+      "kavlan-6": "2001:660:4406:686:2::29",
+      "kavlan-7": "2001:660:4406:687:2::29",
+      "kavlan-8": "2001:660:4406:688:2::29",
+      "kavlan-9": "2001:660:4406:689:2::29"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:681:2:1::29",
+      "kavlan-11": "2001:660:4406:68b:2:1::29",
+      "kavlan-12": "2001:660:4406:68c:2:1::29",
+      "kavlan-13": "2001:660:4406:68d:2:1::29",
+      "kavlan-14": "2001:660:4406:68e:2:1::29",
+      "kavlan-16": "2001:660:4406:690:2:1::29",
+      "kavlan-18": "2001:660:4406:692:2:1::29",
+      "kavlan-2": "2001:660:4406:682:2:1::29",
+      "kavlan-20": "2001:660:4406:694:2:1::29",
+      "kavlan-21": "2001:660:4406:695:2:1::29",
+      "kavlan-3": "2001:660:4406:683:2:1::29",
+      "kavlan-4": "2001:660:4406:684:2:1::29",
+      "kavlan-5": "2001:660:4406:685:2:1::29",
+      "kavlan-6": "2001:660:4406:686:2:1::29",
+      "kavlan-7": "2001:660:4406:687:2:1::29",
+      "kavlan-8": "2001:660:4406:688:2:1::29",
+      "kavlan-9": "2001:660:4406:689:2:1::29"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -91,6 +131,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:600:2:1::29",
       "kavlan": true,
       "mac": "24:6e:96:6a:49:0a",
       "management": false,
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-42.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-42.json
index 5c5ec9bb71b723f33703c8cc68806a1753f785cd..6dc9038fcb8ee0e0cf5ce634c847a211bc02c3e0 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-42.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-42.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.45.66.42"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:681:2::2a",
+      "kavlan-11": "2001:660:4406:68b:2::2a",
+      "kavlan-12": "2001:660:4406:68c:2::2a",
+      "kavlan-13": "2001:660:4406:68d:2::2a",
+      "kavlan-14": "2001:660:4406:68e:2::2a",
+      "kavlan-16": "2001:660:4406:690:2::2a",
+      "kavlan-18": "2001:660:4406:692:2::2a",
+      "kavlan-2": "2001:660:4406:682:2::2a",
+      "kavlan-20": "2001:660:4406:694:2::2a",
+      "kavlan-21": "2001:660:4406:695:2::2a",
+      "kavlan-3": "2001:660:4406:683:2::2a",
+      "kavlan-4": "2001:660:4406:684:2::2a",
+      "kavlan-5": "2001:660:4406:685:2::2a",
+      "kavlan-6": "2001:660:4406:686:2::2a",
+      "kavlan-7": "2001:660:4406:687:2::2a",
+      "kavlan-8": "2001:660:4406:688:2::2a",
+      "kavlan-9": "2001:660:4406:689:2::2a"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:681:2:1::2a",
+      "kavlan-11": "2001:660:4406:68b:2:1::2a",
+      "kavlan-12": "2001:660:4406:68c:2:1::2a",
+      "kavlan-13": "2001:660:4406:68d:2:1::2a",
+      "kavlan-14": "2001:660:4406:68e:2:1::2a",
+      "kavlan-16": "2001:660:4406:690:2:1::2a",
+      "kavlan-18": "2001:660:4406:692:2:1::2a",
+      "kavlan-2": "2001:660:4406:682:2:1::2a",
+      "kavlan-20": "2001:660:4406:694:2:1::2a",
+      "kavlan-21": "2001:660:4406:695:2:1::2a",
+      "kavlan-3": "2001:660:4406:683:2:1::2a",
+      "kavlan-4": "2001:660:4406:684:2:1::2a",
+      "kavlan-5": "2001:660:4406:685:2:1::2a",
+      "kavlan-6": "2001:660:4406:686:2:1::2a",
+      "kavlan-7": "2001:660:4406:687:2:1::2a",
+      "kavlan-8": "2001:660:4406:688:2:1::2a",
+      "kavlan-9": "2001:660:4406:689:2:1::2a"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -91,6 +131,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:600:2:1::2a",
       "kavlan": true,
       "mac": "24:6e:96:6a:4c:ea",
       "management": false,
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-43.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-43.json
index 6d91eb82d5fe189d027ad4898e119589c9e7ee35..c96a1a5edee31b0ae39ca400321f7b23423c8c34 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-43.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-43.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.45.66.43"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:681:2::2b",
+      "kavlan-11": "2001:660:4406:68b:2::2b",
+      "kavlan-12": "2001:660:4406:68c:2::2b",
+      "kavlan-13": "2001:660:4406:68d:2::2b",
+      "kavlan-14": "2001:660:4406:68e:2::2b",
+      "kavlan-16": "2001:660:4406:690:2::2b",
+      "kavlan-18": "2001:660:4406:692:2::2b",
+      "kavlan-2": "2001:660:4406:682:2::2b",
+      "kavlan-20": "2001:660:4406:694:2::2b",
+      "kavlan-21": "2001:660:4406:695:2::2b",
+      "kavlan-3": "2001:660:4406:683:2::2b",
+      "kavlan-4": "2001:660:4406:684:2::2b",
+      "kavlan-5": "2001:660:4406:685:2::2b",
+      "kavlan-6": "2001:660:4406:686:2::2b",
+      "kavlan-7": "2001:660:4406:687:2::2b",
+      "kavlan-8": "2001:660:4406:688:2::2b",
+      "kavlan-9": "2001:660:4406:689:2::2b"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:681:2:1::2b",
+      "kavlan-11": "2001:660:4406:68b:2:1::2b",
+      "kavlan-12": "2001:660:4406:68c:2:1::2b",
+      "kavlan-13": "2001:660:4406:68d:2:1::2b",
+      "kavlan-14": "2001:660:4406:68e:2:1::2b",
+      "kavlan-16": "2001:660:4406:690:2:1::2b",
+      "kavlan-18": "2001:660:4406:692:2:1::2b",
+      "kavlan-2": "2001:660:4406:682:2:1::2b",
+      "kavlan-20": "2001:660:4406:694:2:1::2b",
+      "kavlan-21": "2001:660:4406:695:2:1::2b",
+      "kavlan-3": "2001:660:4406:683:2:1::2b",
+      "kavlan-4": "2001:660:4406:684:2:1::2b",
+      "kavlan-5": "2001:660:4406:685:2:1::2b",
+      "kavlan-6": "2001:660:4406:686:2:1::2b",
+      "kavlan-7": "2001:660:4406:687:2:1::2b",
+      "kavlan-8": "2001:660:4406:688:2:1::2b",
+      "kavlan-9": "2001:660:4406:689:2:1::2b"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -91,6 +131,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:600:2:1::2b",
       "kavlan": true,
       "mac": "24:6e:96:6a:d0:82",
       "management": false,
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-44.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-44.json
index f9bf92b298d588faaf6837a03613ab67cd697088..b0aade051439fec61e7e4e2246382288bca2ea23 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-44.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-44.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.45.66.44"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:681:2::2c",
+      "kavlan-11": "2001:660:4406:68b:2::2c",
+      "kavlan-12": "2001:660:4406:68c:2::2c",
+      "kavlan-13": "2001:660:4406:68d:2::2c",
+      "kavlan-14": "2001:660:4406:68e:2::2c",
+      "kavlan-16": "2001:660:4406:690:2::2c",
+      "kavlan-18": "2001:660:4406:692:2::2c",
+      "kavlan-2": "2001:660:4406:682:2::2c",
+      "kavlan-20": "2001:660:4406:694:2::2c",
+      "kavlan-21": "2001:660:4406:695:2::2c",
+      "kavlan-3": "2001:660:4406:683:2::2c",
+      "kavlan-4": "2001:660:4406:684:2::2c",
+      "kavlan-5": "2001:660:4406:685:2::2c",
+      "kavlan-6": "2001:660:4406:686:2::2c",
+      "kavlan-7": "2001:660:4406:687:2::2c",
+      "kavlan-8": "2001:660:4406:688:2::2c",
+      "kavlan-9": "2001:660:4406:689:2::2c"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:681:2:1::2c",
+      "kavlan-11": "2001:660:4406:68b:2:1::2c",
+      "kavlan-12": "2001:660:4406:68c:2:1::2c",
+      "kavlan-13": "2001:660:4406:68d:2:1::2c",
+      "kavlan-14": "2001:660:4406:68e:2:1::2c",
+      "kavlan-16": "2001:660:4406:690:2:1::2c",
+      "kavlan-18": "2001:660:4406:692:2:1::2c",
+      "kavlan-2": "2001:660:4406:682:2:1::2c",
+      "kavlan-20": "2001:660:4406:694:2:1::2c",
+      "kavlan-21": "2001:660:4406:695:2:1::2c",
+      "kavlan-3": "2001:660:4406:683:2:1::2c",
+      "kavlan-4": "2001:660:4406:684:2:1::2c",
+      "kavlan-5": "2001:660:4406:685:2:1::2c",
+      "kavlan-6": "2001:660:4406:686:2:1::2c",
+      "kavlan-7": "2001:660:4406:687:2:1::2c",
+      "kavlan-8": "2001:660:4406:688:2:1::2c",
+      "kavlan-9": "2001:660:4406:689:2:1::2c"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -91,6 +131,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:600:2:1::2c",
       "kavlan": true,
       "mac": "24:6e:96:6a:63:52",
       "management": false,
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-45.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-45.json
index a64774f6bfb4ed14066bd156de521effcb92f798..31e76cf14226058978b9f95bee7cf18c3cbb69d9 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-45.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-45.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.45.66.45"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:681:2::2d",
+      "kavlan-11": "2001:660:4406:68b:2::2d",
+      "kavlan-12": "2001:660:4406:68c:2::2d",
+      "kavlan-13": "2001:660:4406:68d:2::2d",
+      "kavlan-14": "2001:660:4406:68e:2::2d",
+      "kavlan-16": "2001:660:4406:690:2::2d",
+      "kavlan-18": "2001:660:4406:692:2::2d",
+      "kavlan-2": "2001:660:4406:682:2::2d",
+      "kavlan-20": "2001:660:4406:694:2::2d",
+      "kavlan-21": "2001:660:4406:695:2::2d",
+      "kavlan-3": "2001:660:4406:683:2::2d",
+      "kavlan-4": "2001:660:4406:684:2::2d",
+      "kavlan-5": "2001:660:4406:685:2::2d",
+      "kavlan-6": "2001:660:4406:686:2::2d",
+      "kavlan-7": "2001:660:4406:687:2::2d",
+      "kavlan-8": "2001:660:4406:688:2::2d",
+      "kavlan-9": "2001:660:4406:689:2::2d"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:681:2:1::2d",
+      "kavlan-11": "2001:660:4406:68b:2:1::2d",
+      "kavlan-12": "2001:660:4406:68c:2:1::2d",
+      "kavlan-13": "2001:660:4406:68d:2:1::2d",
+      "kavlan-14": "2001:660:4406:68e:2:1::2d",
+      "kavlan-16": "2001:660:4406:690:2:1::2d",
+      "kavlan-18": "2001:660:4406:692:2:1::2d",
+      "kavlan-2": "2001:660:4406:682:2:1::2d",
+      "kavlan-20": "2001:660:4406:694:2:1::2d",
+      "kavlan-21": "2001:660:4406:695:2:1::2d",
+      "kavlan-3": "2001:660:4406:683:2:1::2d",
+      "kavlan-4": "2001:660:4406:684:2:1::2d",
+      "kavlan-5": "2001:660:4406:685:2:1::2d",
+      "kavlan-6": "2001:660:4406:686:2:1::2d",
+      "kavlan-7": "2001:660:4406:687:2:1::2d",
+      "kavlan-8": "2001:660:4406:688:2:1::2d",
+      "kavlan-9": "2001:660:4406:689:2:1::2d"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -91,6 +131,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:600:2:1::2d",
       "kavlan": true,
       "mac": "24:6e:96:6a:47:42",
       "management": false,
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-46.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-46.json
index 9c9c3dcf1bb5dced2fa13eb8e2a130bf1247d36a..294caff79fe13a1e94af5fc30e2fab507fb8bb87 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-46.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-46.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.45.66.46"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:681:2::2e",
+      "kavlan-11": "2001:660:4406:68b:2::2e",
+      "kavlan-12": "2001:660:4406:68c:2::2e",
+      "kavlan-13": "2001:660:4406:68d:2::2e",
+      "kavlan-14": "2001:660:4406:68e:2::2e",
+      "kavlan-16": "2001:660:4406:690:2::2e",
+      "kavlan-18": "2001:660:4406:692:2::2e",
+      "kavlan-2": "2001:660:4406:682:2::2e",
+      "kavlan-20": "2001:660:4406:694:2::2e",
+      "kavlan-21": "2001:660:4406:695:2::2e",
+      "kavlan-3": "2001:660:4406:683:2::2e",
+      "kavlan-4": "2001:660:4406:684:2::2e",
+      "kavlan-5": "2001:660:4406:685:2::2e",
+      "kavlan-6": "2001:660:4406:686:2::2e",
+      "kavlan-7": "2001:660:4406:687:2::2e",
+      "kavlan-8": "2001:660:4406:688:2::2e",
+      "kavlan-9": "2001:660:4406:689:2::2e"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:681:2:1::2e",
+      "kavlan-11": "2001:660:4406:68b:2:1::2e",
+      "kavlan-12": "2001:660:4406:68c:2:1::2e",
+      "kavlan-13": "2001:660:4406:68d:2:1::2e",
+      "kavlan-14": "2001:660:4406:68e:2:1::2e",
+      "kavlan-16": "2001:660:4406:690:2:1::2e",
+      "kavlan-18": "2001:660:4406:692:2:1::2e",
+      "kavlan-2": "2001:660:4406:682:2:1::2e",
+      "kavlan-20": "2001:660:4406:694:2:1::2e",
+      "kavlan-21": "2001:660:4406:695:2:1::2e",
+      "kavlan-3": "2001:660:4406:683:2:1::2e",
+      "kavlan-4": "2001:660:4406:684:2:1::2e",
+      "kavlan-5": "2001:660:4406:685:2:1::2e",
+      "kavlan-6": "2001:660:4406:686:2:1::2e",
+      "kavlan-7": "2001:660:4406:687:2:1::2e",
+      "kavlan-8": "2001:660:4406:688:2:1::2e",
+      "kavlan-9": "2001:660:4406:689:2:1::2e"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -91,6 +131,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:600:2:1::2e",
       "kavlan": true,
       "mac": "24:6e:96:6a:c9:aa",
       "management": false,
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-47.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-47.json
index 3012304a7c750626757ae5c431e001381b3ae14b..a907531385b25ab3db17577c10edce9e355ce179 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-47.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-47.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.45.66.47"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:681:2::2f",
+      "kavlan-11": "2001:660:4406:68b:2::2f",
+      "kavlan-12": "2001:660:4406:68c:2::2f",
+      "kavlan-13": "2001:660:4406:68d:2::2f",
+      "kavlan-14": "2001:660:4406:68e:2::2f",
+      "kavlan-16": "2001:660:4406:690:2::2f",
+      "kavlan-18": "2001:660:4406:692:2::2f",
+      "kavlan-2": "2001:660:4406:682:2::2f",
+      "kavlan-20": "2001:660:4406:694:2::2f",
+      "kavlan-21": "2001:660:4406:695:2::2f",
+      "kavlan-3": "2001:660:4406:683:2::2f",
+      "kavlan-4": "2001:660:4406:684:2::2f",
+      "kavlan-5": "2001:660:4406:685:2::2f",
+      "kavlan-6": "2001:660:4406:686:2::2f",
+      "kavlan-7": "2001:660:4406:687:2::2f",
+      "kavlan-8": "2001:660:4406:688:2::2f",
+      "kavlan-9": "2001:660:4406:689:2::2f"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:681:2:1::2f",
+      "kavlan-11": "2001:660:4406:68b:2:1::2f",
+      "kavlan-12": "2001:660:4406:68c:2:1::2f",
+      "kavlan-13": "2001:660:4406:68d:2:1::2f",
+      "kavlan-14": "2001:660:4406:68e:2:1::2f",
+      "kavlan-16": "2001:660:4406:690:2:1::2f",
+      "kavlan-18": "2001:660:4406:692:2:1::2f",
+      "kavlan-2": "2001:660:4406:682:2:1::2f",
+      "kavlan-20": "2001:660:4406:694:2:1::2f",
+      "kavlan-21": "2001:660:4406:695:2:1::2f",
+      "kavlan-3": "2001:660:4406:683:2:1::2f",
+      "kavlan-4": "2001:660:4406:684:2:1::2f",
+      "kavlan-5": "2001:660:4406:685:2:1::2f",
+      "kavlan-6": "2001:660:4406:686:2:1::2f",
+      "kavlan-7": "2001:660:4406:687:2:1::2f",
+      "kavlan-8": "2001:660:4406:688:2:1::2f",
+      "kavlan-9": "2001:660:4406:689:2:1::2f"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -91,6 +131,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:600:2:1::2f",
       "kavlan": true,
       "mac": "24:6e:96:6a:d1:ea",
       "management": false,
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-48.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-48.json
index 87440344d580bc0ea725ed002b15ef64f5a2bc80..196137120d587f3cdc78d9ea92d44a02c10384af 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-48.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-48.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.45.66.48"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:681:2::30",
+      "kavlan-11": "2001:660:4406:68b:2::30",
+      "kavlan-12": "2001:660:4406:68c:2::30",
+      "kavlan-13": "2001:660:4406:68d:2::30",
+      "kavlan-14": "2001:660:4406:68e:2::30",
+      "kavlan-16": "2001:660:4406:690:2::30",
+      "kavlan-18": "2001:660:4406:692:2::30",
+      "kavlan-2": "2001:660:4406:682:2::30",
+      "kavlan-20": "2001:660:4406:694:2::30",
+      "kavlan-21": "2001:660:4406:695:2::30",
+      "kavlan-3": "2001:660:4406:683:2::30",
+      "kavlan-4": "2001:660:4406:684:2::30",
+      "kavlan-5": "2001:660:4406:685:2::30",
+      "kavlan-6": "2001:660:4406:686:2::30",
+      "kavlan-7": "2001:660:4406:687:2::30",
+      "kavlan-8": "2001:660:4406:688:2::30",
+      "kavlan-9": "2001:660:4406:689:2::30"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:681:2:1::30",
+      "kavlan-11": "2001:660:4406:68b:2:1::30",
+      "kavlan-12": "2001:660:4406:68c:2:1::30",
+      "kavlan-13": "2001:660:4406:68d:2:1::30",
+      "kavlan-14": "2001:660:4406:68e:2:1::30",
+      "kavlan-16": "2001:660:4406:690:2:1::30",
+      "kavlan-18": "2001:660:4406:692:2:1::30",
+      "kavlan-2": "2001:660:4406:682:2:1::30",
+      "kavlan-20": "2001:660:4406:694:2:1::30",
+      "kavlan-21": "2001:660:4406:695:2:1::30",
+      "kavlan-3": "2001:660:4406:683:2:1::30",
+      "kavlan-4": "2001:660:4406:684:2:1::30",
+      "kavlan-5": "2001:660:4406:685:2:1::30",
+      "kavlan-6": "2001:660:4406:686:2:1::30",
+      "kavlan-7": "2001:660:4406:687:2:1::30",
+      "kavlan-8": "2001:660:4406:688:2:1::30",
+      "kavlan-9": "2001:660:4406:689:2:1::30"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -91,6 +131,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:600:2:1::30",
       "kavlan": true,
       "mac": "24:6e:96:6a:cf:52",
       "management": false,
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-5.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-5.json
index 7d4fffbb6fbd1c527882f6de76a8063341e65dfc..786c5151eb55e0a47a77ae3adeca86007dac32ce 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-5.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-5.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.45.66.5"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:681:2::5",
+      "kavlan-11": "2001:660:4406:68b:2::5",
+      "kavlan-12": "2001:660:4406:68c:2::5",
+      "kavlan-13": "2001:660:4406:68d:2::5",
+      "kavlan-14": "2001:660:4406:68e:2::5",
+      "kavlan-16": "2001:660:4406:690:2::5",
+      "kavlan-18": "2001:660:4406:692:2::5",
+      "kavlan-2": "2001:660:4406:682:2::5",
+      "kavlan-20": "2001:660:4406:694:2::5",
+      "kavlan-21": "2001:660:4406:695:2::5",
+      "kavlan-3": "2001:660:4406:683:2::5",
+      "kavlan-4": "2001:660:4406:684:2::5",
+      "kavlan-5": "2001:660:4406:685:2::5",
+      "kavlan-6": "2001:660:4406:686:2::5",
+      "kavlan-7": "2001:660:4406:687:2::5",
+      "kavlan-8": "2001:660:4406:688:2::5",
+      "kavlan-9": "2001:660:4406:689:2::5"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:681:2:1::5",
+      "kavlan-11": "2001:660:4406:68b:2:1::5",
+      "kavlan-12": "2001:660:4406:68c:2:1::5",
+      "kavlan-13": "2001:660:4406:68d:2:1::5",
+      "kavlan-14": "2001:660:4406:68e:2:1::5",
+      "kavlan-16": "2001:660:4406:690:2:1::5",
+      "kavlan-18": "2001:660:4406:692:2:1::5",
+      "kavlan-2": "2001:660:4406:682:2:1::5",
+      "kavlan-20": "2001:660:4406:694:2:1::5",
+      "kavlan-21": "2001:660:4406:695:2:1::5",
+      "kavlan-3": "2001:660:4406:683:2:1::5",
+      "kavlan-4": "2001:660:4406:684:2:1::5",
+      "kavlan-5": "2001:660:4406:685:2:1::5",
+      "kavlan-6": "2001:660:4406:686:2:1::5",
+      "kavlan-7": "2001:660:4406:687:2:1::5",
+      "kavlan-8": "2001:660:4406:688:2:1::5",
+      "kavlan-9": "2001:660:4406:689:2:1::5"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -91,6 +131,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:600:2:1::5",
       "kavlan": true,
       "mac": "24:6e:96:6a:d3:2a",
       "management": false,
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-6.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-6.json
index b21ebab8a9f7bda92a827305cd14ad3b36d63ae1..7b033b132ccda957ff386ed96b297585cce6d9df 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-6.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-6.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.45.66.6"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:681:2::6",
+      "kavlan-11": "2001:660:4406:68b:2::6",
+      "kavlan-12": "2001:660:4406:68c:2::6",
+      "kavlan-13": "2001:660:4406:68d:2::6",
+      "kavlan-14": "2001:660:4406:68e:2::6",
+      "kavlan-16": "2001:660:4406:690:2::6",
+      "kavlan-18": "2001:660:4406:692:2::6",
+      "kavlan-2": "2001:660:4406:682:2::6",
+      "kavlan-20": "2001:660:4406:694:2::6",
+      "kavlan-21": "2001:660:4406:695:2::6",
+      "kavlan-3": "2001:660:4406:683:2::6",
+      "kavlan-4": "2001:660:4406:684:2::6",
+      "kavlan-5": "2001:660:4406:685:2::6",
+      "kavlan-6": "2001:660:4406:686:2::6",
+      "kavlan-7": "2001:660:4406:687:2::6",
+      "kavlan-8": "2001:660:4406:688:2::6",
+      "kavlan-9": "2001:660:4406:689:2::6"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:681:2:1::6",
+      "kavlan-11": "2001:660:4406:68b:2:1::6",
+      "kavlan-12": "2001:660:4406:68c:2:1::6",
+      "kavlan-13": "2001:660:4406:68d:2:1::6",
+      "kavlan-14": "2001:660:4406:68e:2:1::6",
+      "kavlan-16": "2001:660:4406:690:2:1::6",
+      "kavlan-18": "2001:660:4406:692:2:1::6",
+      "kavlan-2": "2001:660:4406:682:2:1::6",
+      "kavlan-20": "2001:660:4406:694:2:1::6",
+      "kavlan-21": "2001:660:4406:695:2:1::6",
+      "kavlan-3": "2001:660:4406:683:2:1::6",
+      "kavlan-4": "2001:660:4406:684:2:1::6",
+      "kavlan-5": "2001:660:4406:685:2:1::6",
+      "kavlan-6": "2001:660:4406:686:2:1::6",
+      "kavlan-7": "2001:660:4406:687:2:1::6",
+      "kavlan-8": "2001:660:4406:688:2:1::6",
+      "kavlan-9": "2001:660:4406:689:2:1::6"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -91,6 +131,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:600:2:1::6",
       "kavlan": true,
       "mac": "24:6e:96:6a:d6:b2",
       "management": false,
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-7.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-7.json
index 69df067d659a835914c5899ac8c74649b668b056..6566e5dc7213d1a945019265cfe1dcc8d0a8c118 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-7.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-7.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.45.66.7"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:681:2::7",
+      "kavlan-11": "2001:660:4406:68b:2::7",
+      "kavlan-12": "2001:660:4406:68c:2::7",
+      "kavlan-13": "2001:660:4406:68d:2::7",
+      "kavlan-14": "2001:660:4406:68e:2::7",
+      "kavlan-16": "2001:660:4406:690:2::7",
+      "kavlan-18": "2001:660:4406:692:2::7",
+      "kavlan-2": "2001:660:4406:682:2::7",
+      "kavlan-20": "2001:660:4406:694:2::7",
+      "kavlan-21": "2001:660:4406:695:2::7",
+      "kavlan-3": "2001:660:4406:683:2::7",
+      "kavlan-4": "2001:660:4406:684:2::7",
+      "kavlan-5": "2001:660:4406:685:2::7",
+      "kavlan-6": "2001:660:4406:686:2::7",
+      "kavlan-7": "2001:660:4406:687:2::7",
+      "kavlan-8": "2001:660:4406:688:2::7",
+      "kavlan-9": "2001:660:4406:689:2::7"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:681:2:1::7",
+      "kavlan-11": "2001:660:4406:68b:2:1::7",
+      "kavlan-12": "2001:660:4406:68c:2:1::7",
+      "kavlan-13": "2001:660:4406:68d:2:1::7",
+      "kavlan-14": "2001:660:4406:68e:2:1::7",
+      "kavlan-16": "2001:660:4406:690:2:1::7",
+      "kavlan-18": "2001:660:4406:692:2:1::7",
+      "kavlan-2": "2001:660:4406:682:2:1::7",
+      "kavlan-20": "2001:660:4406:694:2:1::7",
+      "kavlan-21": "2001:660:4406:695:2:1::7",
+      "kavlan-3": "2001:660:4406:683:2:1::7",
+      "kavlan-4": "2001:660:4406:684:2:1::7",
+      "kavlan-5": "2001:660:4406:685:2:1::7",
+      "kavlan-6": "2001:660:4406:686:2:1::7",
+      "kavlan-7": "2001:660:4406:687:2:1::7",
+      "kavlan-8": "2001:660:4406:688:2:1::7",
+      "kavlan-9": "2001:660:4406:689:2:1::7"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -91,6 +131,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:600:2:1::7",
       "kavlan": true,
       "mac": "24:6e:96:6a:4f:7a",
       "management": false,
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-8.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-8.json
index 63b09f9e416ed2369bb6878b491f726daf8979b3..b67f31ba0b20b12b5ca9cd30d4e528117f20a12c 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-8.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-8.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.45.66.8"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:681:2::8",
+      "kavlan-11": "2001:660:4406:68b:2::8",
+      "kavlan-12": "2001:660:4406:68c:2::8",
+      "kavlan-13": "2001:660:4406:68d:2::8",
+      "kavlan-14": "2001:660:4406:68e:2::8",
+      "kavlan-16": "2001:660:4406:690:2::8",
+      "kavlan-18": "2001:660:4406:692:2::8",
+      "kavlan-2": "2001:660:4406:682:2::8",
+      "kavlan-20": "2001:660:4406:694:2::8",
+      "kavlan-21": "2001:660:4406:695:2::8",
+      "kavlan-3": "2001:660:4406:683:2::8",
+      "kavlan-4": "2001:660:4406:684:2::8",
+      "kavlan-5": "2001:660:4406:685:2::8",
+      "kavlan-6": "2001:660:4406:686:2::8",
+      "kavlan-7": "2001:660:4406:687:2::8",
+      "kavlan-8": "2001:660:4406:688:2::8",
+      "kavlan-9": "2001:660:4406:689:2::8"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:681:2:1::8",
+      "kavlan-11": "2001:660:4406:68b:2:1::8",
+      "kavlan-12": "2001:660:4406:68c:2:1::8",
+      "kavlan-13": "2001:660:4406:68d:2:1::8",
+      "kavlan-14": "2001:660:4406:68e:2:1::8",
+      "kavlan-16": "2001:660:4406:690:2:1::8",
+      "kavlan-18": "2001:660:4406:692:2:1::8",
+      "kavlan-2": "2001:660:4406:682:2:1::8",
+      "kavlan-20": "2001:660:4406:694:2:1::8",
+      "kavlan-21": "2001:660:4406:695:2:1::8",
+      "kavlan-3": "2001:660:4406:683:2:1::8",
+      "kavlan-4": "2001:660:4406:684:2:1::8",
+      "kavlan-5": "2001:660:4406:685:2:1::8",
+      "kavlan-6": "2001:660:4406:686:2:1::8",
+      "kavlan-7": "2001:660:4406:687:2:1::8",
+      "kavlan-8": "2001:660:4406:688:2:1::8",
+      "kavlan-9": "2001:660:4406:689:2:1::8"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -91,6 +131,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:600:2:1::8",
       "kavlan": true,
       "mac": "24:6e:96:6a:c9:d2",
       "management": false,
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-9.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-9.json
index 5638e3e4aaef94a28dd0ed088b90a9f959ed141d..1be53aed3778c9c3d46a1f78f1806330c3a0cc8f 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-9.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-9.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.45.66.9"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:681:2::9",
+      "kavlan-11": "2001:660:4406:68b:2::9",
+      "kavlan-12": "2001:660:4406:68c:2::9",
+      "kavlan-13": "2001:660:4406:68d:2::9",
+      "kavlan-14": "2001:660:4406:68e:2::9",
+      "kavlan-16": "2001:660:4406:690:2::9",
+      "kavlan-18": "2001:660:4406:692:2::9",
+      "kavlan-2": "2001:660:4406:682:2::9",
+      "kavlan-20": "2001:660:4406:694:2::9",
+      "kavlan-21": "2001:660:4406:695:2::9",
+      "kavlan-3": "2001:660:4406:683:2::9",
+      "kavlan-4": "2001:660:4406:684:2::9",
+      "kavlan-5": "2001:660:4406:685:2::9",
+      "kavlan-6": "2001:660:4406:686:2::9",
+      "kavlan-7": "2001:660:4406:687:2::9",
+      "kavlan-8": "2001:660:4406:688:2::9",
+      "kavlan-9": "2001:660:4406:689:2::9"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:681:2:1::9",
+      "kavlan-11": "2001:660:4406:68b:2:1::9",
+      "kavlan-12": "2001:660:4406:68c:2:1::9",
+      "kavlan-13": "2001:660:4406:68d:2:1::9",
+      "kavlan-14": "2001:660:4406:68e:2:1::9",
+      "kavlan-16": "2001:660:4406:690:2:1::9",
+      "kavlan-18": "2001:660:4406:692:2:1::9",
+      "kavlan-2": "2001:660:4406:682:2:1::9",
+      "kavlan-20": "2001:660:4406:694:2:1::9",
+      "kavlan-21": "2001:660:4406:695:2:1::9",
+      "kavlan-3": "2001:660:4406:683:2:1::9",
+      "kavlan-4": "2001:660:4406:684:2:1::9",
+      "kavlan-5": "2001:660:4406:685:2:1::9",
+      "kavlan-6": "2001:660:4406:686:2:1::9",
+      "kavlan-7": "2001:660:4406:687:2:1::9",
+      "kavlan-8": "2001:660:4406:688:2:1::9",
+      "kavlan-9": "2001:660:4406:689:2:1::9"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -91,6 +131,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:600:2:1::9",
       "kavlan": true,
       "mac": "24:6e:96:6a:d7:02",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paranoia/nodes/paranoia-1.json b/data/grid5000/sites/rennes/clusters/paranoia/nodes/paranoia-1.json
index f02ec00e3292b2aa63cc5d6f93e830db7bcd4c0f..cf5d0b1749332d129f90b9b31994c3b4e019317c 100644
--- a/data/grid5000/sites/rennes/clusters/paranoia/nodes/paranoia-1.json
+++ b/data/grid5000/sites/rennes/clusters/paranoia/nodes/paranoia-1.json
@@ -76,6 +76,65 @@
       "kavlan-9": "10.25.67.1"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:5::1",
+      "kavlan-11": "2001:660:4406:78b:5::1",
+      "kavlan-12": "2001:660:4406:78c:5::1",
+      "kavlan-13": "2001:660:4406:78d:5::1",
+      "kavlan-14": "2001:660:4406:78e:5::1",
+      "kavlan-16": "2001:660:4406:790:5::1",
+      "kavlan-18": "2001:660:4406:792:5::1",
+      "kavlan-2": "2001:660:4406:782:5::1",
+      "kavlan-20": "2001:660:4406:794:5::1",
+      "kavlan-21": "2001:660:4406:795:5::1",
+      "kavlan-3": "2001:660:4406:783:5::1",
+      "kavlan-4": "2001:660:4406:784:5::1",
+      "kavlan-5": "2001:660:4406:785:5::1",
+      "kavlan-6": "2001:660:4406:786:5::1",
+      "kavlan-7": "2001:660:4406:787:5::1",
+      "kavlan-8": "2001:660:4406:788:5::1",
+      "kavlan-9": "2001:660:4406:789:5::1"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:5:1::1",
+      "kavlan-11": "2001:660:4406:78b:5:1::1",
+      "kavlan-12": "2001:660:4406:78c:5:1::1",
+      "kavlan-13": "2001:660:4406:78d:5:1::1",
+      "kavlan-14": "2001:660:4406:78e:5:1::1",
+      "kavlan-16": "2001:660:4406:790:5:1::1",
+      "kavlan-18": "2001:660:4406:792:5:1::1",
+      "kavlan-2": "2001:660:4406:782:5:1::1",
+      "kavlan-20": "2001:660:4406:794:5:1::1",
+      "kavlan-21": "2001:660:4406:795:5:1::1",
+      "kavlan-3": "2001:660:4406:783:5:1::1",
+      "kavlan-4": "2001:660:4406:784:5:1::1",
+      "kavlan-5": "2001:660:4406:785:5:1::1",
+      "kavlan-6": "2001:660:4406:786:5:1::1",
+      "kavlan-7": "2001:660:4406:787:5:1::1",
+      "kavlan-8": "2001:660:4406:788:5:1::1",
+      "kavlan-9": "2001:660:4406:789:5:1::1"
+    },
+    "eth2": {
+      "kavlan-1": "2001:660:4406:781:5:2::1",
+      "kavlan-11": "2001:660:4406:78b:5:2::1",
+      "kavlan-12": "2001:660:4406:78c:5:2::1",
+      "kavlan-13": "2001:660:4406:78d:5:2::1",
+      "kavlan-14": "2001:660:4406:78e:5:2::1",
+      "kavlan-16": "2001:660:4406:790:5:2::1",
+      "kavlan-18": "2001:660:4406:792:5:2::1",
+      "kavlan-2": "2001:660:4406:782:5:2::1",
+      "kavlan-20": "2001:660:4406:794:5:2::1",
+      "kavlan-21": "2001:660:4406:795:5:2::1",
+      "kavlan-3": "2001:660:4406:783:5:2::1",
+      "kavlan-4": "2001:660:4406:784:5:2::1",
+      "kavlan-5": "2001:660:4406:785:5:2::1",
+      "kavlan-6": "2001:660:4406:786:5:2::1",
+      "kavlan-7": "2001:660:4406:787:5:2::1",
+      "kavlan-8": "2001:660:4406:788:5:2::1",
+      "kavlan-9": "2001:660:4406:789:5:2::1"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -112,6 +171,7 @@
       "enabled": true,
       "firmware_version": "0x800004e1",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:5:1::1",
       "kavlan": true,
       "mac": "a0:36:9f:28:a6:d2",
       "management": false,
@@ -132,6 +192,7 @@
       "enabled": true,
       "firmware_version": "1.57.0",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:5:2::1",
       "kavlan": true,
       "mac": "f0:4d:a2:73:cf:45",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paranoia/nodes/paranoia-2.json b/data/grid5000/sites/rennes/clusters/paranoia/nodes/paranoia-2.json
index 198678a9412f75df7b6bb4f8271b9dab64ff88af..cf5883a1253fcb0219ecb937fbf816c91a03c161 100644
--- a/data/grid5000/sites/rennes/clusters/paranoia/nodes/paranoia-2.json
+++ b/data/grid5000/sites/rennes/clusters/paranoia/nodes/paranoia-2.json
@@ -76,6 +76,65 @@
       "kavlan-9": "10.25.67.2"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:5::2",
+      "kavlan-11": "2001:660:4406:78b:5::2",
+      "kavlan-12": "2001:660:4406:78c:5::2",
+      "kavlan-13": "2001:660:4406:78d:5::2",
+      "kavlan-14": "2001:660:4406:78e:5::2",
+      "kavlan-16": "2001:660:4406:790:5::2",
+      "kavlan-18": "2001:660:4406:792:5::2",
+      "kavlan-2": "2001:660:4406:782:5::2",
+      "kavlan-20": "2001:660:4406:794:5::2",
+      "kavlan-21": "2001:660:4406:795:5::2",
+      "kavlan-3": "2001:660:4406:783:5::2",
+      "kavlan-4": "2001:660:4406:784:5::2",
+      "kavlan-5": "2001:660:4406:785:5::2",
+      "kavlan-6": "2001:660:4406:786:5::2",
+      "kavlan-7": "2001:660:4406:787:5::2",
+      "kavlan-8": "2001:660:4406:788:5::2",
+      "kavlan-9": "2001:660:4406:789:5::2"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:5:1::2",
+      "kavlan-11": "2001:660:4406:78b:5:1::2",
+      "kavlan-12": "2001:660:4406:78c:5:1::2",
+      "kavlan-13": "2001:660:4406:78d:5:1::2",
+      "kavlan-14": "2001:660:4406:78e:5:1::2",
+      "kavlan-16": "2001:660:4406:790:5:1::2",
+      "kavlan-18": "2001:660:4406:792:5:1::2",
+      "kavlan-2": "2001:660:4406:782:5:1::2",
+      "kavlan-20": "2001:660:4406:794:5:1::2",
+      "kavlan-21": "2001:660:4406:795:5:1::2",
+      "kavlan-3": "2001:660:4406:783:5:1::2",
+      "kavlan-4": "2001:660:4406:784:5:1::2",
+      "kavlan-5": "2001:660:4406:785:5:1::2",
+      "kavlan-6": "2001:660:4406:786:5:1::2",
+      "kavlan-7": "2001:660:4406:787:5:1::2",
+      "kavlan-8": "2001:660:4406:788:5:1::2",
+      "kavlan-9": "2001:660:4406:789:5:1::2"
+    },
+    "eth2": {
+      "kavlan-1": "2001:660:4406:781:5:2::2",
+      "kavlan-11": "2001:660:4406:78b:5:2::2",
+      "kavlan-12": "2001:660:4406:78c:5:2::2",
+      "kavlan-13": "2001:660:4406:78d:5:2::2",
+      "kavlan-14": "2001:660:4406:78e:5:2::2",
+      "kavlan-16": "2001:660:4406:790:5:2::2",
+      "kavlan-18": "2001:660:4406:792:5:2::2",
+      "kavlan-2": "2001:660:4406:782:5:2::2",
+      "kavlan-20": "2001:660:4406:794:5:2::2",
+      "kavlan-21": "2001:660:4406:795:5:2::2",
+      "kavlan-3": "2001:660:4406:783:5:2::2",
+      "kavlan-4": "2001:660:4406:784:5:2::2",
+      "kavlan-5": "2001:660:4406:785:5:2::2",
+      "kavlan-6": "2001:660:4406:786:5:2::2",
+      "kavlan-7": "2001:660:4406:787:5:2::2",
+      "kavlan-8": "2001:660:4406:788:5:2::2",
+      "kavlan-9": "2001:660:4406:789:5:2::2"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -112,6 +171,7 @@
       "enabled": true,
       "firmware_version": "0x800004e1",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:5:1::2",
       "kavlan": true,
       "mac": "a0:36:9f:28:a8:82",
       "management": false,
@@ -132,6 +192,7 @@
       "enabled": true,
       "firmware_version": "1.57.0",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:5:2::2",
       "kavlan": true,
       "mac": "f0:4d:a2:73:cc:78",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paranoia/nodes/paranoia-3.json b/data/grid5000/sites/rennes/clusters/paranoia/nodes/paranoia-3.json
index d43fd9fd0105ed6460098709be39be73e6f55397..dee53f1cdde27b02d34a372f0ac936e414a6ef4f 100644
--- a/data/grid5000/sites/rennes/clusters/paranoia/nodes/paranoia-3.json
+++ b/data/grid5000/sites/rennes/clusters/paranoia/nodes/paranoia-3.json
@@ -76,6 +76,65 @@
       "kavlan-9": "10.25.67.3"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:5::3",
+      "kavlan-11": "2001:660:4406:78b:5::3",
+      "kavlan-12": "2001:660:4406:78c:5::3",
+      "kavlan-13": "2001:660:4406:78d:5::3",
+      "kavlan-14": "2001:660:4406:78e:5::3",
+      "kavlan-16": "2001:660:4406:790:5::3",
+      "kavlan-18": "2001:660:4406:792:5::3",
+      "kavlan-2": "2001:660:4406:782:5::3",
+      "kavlan-20": "2001:660:4406:794:5::3",
+      "kavlan-21": "2001:660:4406:795:5::3",
+      "kavlan-3": "2001:660:4406:783:5::3",
+      "kavlan-4": "2001:660:4406:784:5::3",
+      "kavlan-5": "2001:660:4406:785:5::3",
+      "kavlan-6": "2001:660:4406:786:5::3",
+      "kavlan-7": "2001:660:4406:787:5::3",
+      "kavlan-8": "2001:660:4406:788:5::3",
+      "kavlan-9": "2001:660:4406:789:5::3"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:5:1::3",
+      "kavlan-11": "2001:660:4406:78b:5:1::3",
+      "kavlan-12": "2001:660:4406:78c:5:1::3",
+      "kavlan-13": "2001:660:4406:78d:5:1::3",
+      "kavlan-14": "2001:660:4406:78e:5:1::3",
+      "kavlan-16": "2001:660:4406:790:5:1::3",
+      "kavlan-18": "2001:660:4406:792:5:1::3",
+      "kavlan-2": "2001:660:4406:782:5:1::3",
+      "kavlan-20": "2001:660:4406:794:5:1::3",
+      "kavlan-21": "2001:660:4406:795:5:1::3",
+      "kavlan-3": "2001:660:4406:783:5:1::3",
+      "kavlan-4": "2001:660:4406:784:5:1::3",
+      "kavlan-5": "2001:660:4406:785:5:1::3",
+      "kavlan-6": "2001:660:4406:786:5:1::3",
+      "kavlan-7": "2001:660:4406:787:5:1::3",
+      "kavlan-8": "2001:660:4406:788:5:1::3",
+      "kavlan-9": "2001:660:4406:789:5:1::3"
+    },
+    "eth2": {
+      "kavlan-1": "2001:660:4406:781:5:2::3",
+      "kavlan-11": "2001:660:4406:78b:5:2::3",
+      "kavlan-12": "2001:660:4406:78c:5:2::3",
+      "kavlan-13": "2001:660:4406:78d:5:2::3",
+      "kavlan-14": "2001:660:4406:78e:5:2::3",
+      "kavlan-16": "2001:660:4406:790:5:2::3",
+      "kavlan-18": "2001:660:4406:792:5:2::3",
+      "kavlan-2": "2001:660:4406:782:5:2::3",
+      "kavlan-20": "2001:660:4406:794:5:2::3",
+      "kavlan-21": "2001:660:4406:795:5:2::3",
+      "kavlan-3": "2001:660:4406:783:5:2::3",
+      "kavlan-4": "2001:660:4406:784:5:2::3",
+      "kavlan-5": "2001:660:4406:785:5:2::3",
+      "kavlan-6": "2001:660:4406:786:5:2::3",
+      "kavlan-7": "2001:660:4406:787:5:2::3",
+      "kavlan-8": "2001:660:4406:788:5:2::3",
+      "kavlan-9": "2001:660:4406:789:5:2::3"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -112,6 +171,7 @@
       "enabled": true,
       "firmware_version": "0x800004e1",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:5:1::3",
       "kavlan": true,
       "mac": "a0:36:9f:28:a6:d6",
       "management": false,
@@ -132,6 +192,7 @@
       "enabled": true,
       "firmware_version": "1.57.0",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:5:2::3",
       "kavlan": true,
       "mac": "f0:4d:a2:74:06:b6",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paranoia/nodes/paranoia-4.json b/data/grid5000/sites/rennes/clusters/paranoia/nodes/paranoia-4.json
index fb2fab6ebd4a9e92911081e52045a9730d4867fa..59392345daabb159605832960b7932b5aebec545 100644
--- a/data/grid5000/sites/rennes/clusters/paranoia/nodes/paranoia-4.json
+++ b/data/grid5000/sites/rennes/clusters/paranoia/nodes/paranoia-4.json
@@ -76,6 +76,65 @@
       "kavlan-9": "10.25.67.4"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:5::4",
+      "kavlan-11": "2001:660:4406:78b:5::4",
+      "kavlan-12": "2001:660:4406:78c:5::4",
+      "kavlan-13": "2001:660:4406:78d:5::4",
+      "kavlan-14": "2001:660:4406:78e:5::4",
+      "kavlan-16": "2001:660:4406:790:5::4",
+      "kavlan-18": "2001:660:4406:792:5::4",
+      "kavlan-2": "2001:660:4406:782:5::4",
+      "kavlan-20": "2001:660:4406:794:5::4",
+      "kavlan-21": "2001:660:4406:795:5::4",
+      "kavlan-3": "2001:660:4406:783:5::4",
+      "kavlan-4": "2001:660:4406:784:5::4",
+      "kavlan-5": "2001:660:4406:785:5::4",
+      "kavlan-6": "2001:660:4406:786:5::4",
+      "kavlan-7": "2001:660:4406:787:5::4",
+      "kavlan-8": "2001:660:4406:788:5::4",
+      "kavlan-9": "2001:660:4406:789:5::4"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:5:1::4",
+      "kavlan-11": "2001:660:4406:78b:5:1::4",
+      "kavlan-12": "2001:660:4406:78c:5:1::4",
+      "kavlan-13": "2001:660:4406:78d:5:1::4",
+      "kavlan-14": "2001:660:4406:78e:5:1::4",
+      "kavlan-16": "2001:660:4406:790:5:1::4",
+      "kavlan-18": "2001:660:4406:792:5:1::4",
+      "kavlan-2": "2001:660:4406:782:5:1::4",
+      "kavlan-20": "2001:660:4406:794:5:1::4",
+      "kavlan-21": "2001:660:4406:795:5:1::4",
+      "kavlan-3": "2001:660:4406:783:5:1::4",
+      "kavlan-4": "2001:660:4406:784:5:1::4",
+      "kavlan-5": "2001:660:4406:785:5:1::4",
+      "kavlan-6": "2001:660:4406:786:5:1::4",
+      "kavlan-7": "2001:660:4406:787:5:1::4",
+      "kavlan-8": "2001:660:4406:788:5:1::4",
+      "kavlan-9": "2001:660:4406:789:5:1::4"
+    },
+    "eth2": {
+      "kavlan-1": "2001:660:4406:781:5:2::4",
+      "kavlan-11": "2001:660:4406:78b:5:2::4",
+      "kavlan-12": "2001:660:4406:78c:5:2::4",
+      "kavlan-13": "2001:660:4406:78d:5:2::4",
+      "kavlan-14": "2001:660:4406:78e:5:2::4",
+      "kavlan-16": "2001:660:4406:790:5:2::4",
+      "kavlan-18": "2001:660:4406:792:5:2::4",
+      "kavlan-2": "2001:660:4406:782:5:2::4",
+      "kavlan-20": "2001:660:4406:794:5:2::4",
+      "kavlan-21": "2001:660:4406:795:5:2::4",
+      "kavlan-3": "2001:660:4406:783:5:2::4",
+      "kavlan-4": "2001:660:4406:784:5:2::4",
+      "kavlan-5": "2001:660:4406:785:5:2::4",
+      "kavlan-6": "2001:660:4406:786:5:2::4",
+      "kavlan-7": "2001:660:4406:787:5:2::4",
+      "kavlan-8": "2001:660:4406:788:5:2::4",
+      "kavlan-9": "2001:660:4406:789:5:2::4"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -112,6 +171,7 @@
       "enabled": true,
       "firmware_version": "0x800004e1",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:5:1::4",
       "kavlan": true,
       "mac": "a0:36:9f:28:a6:b2",
       "management": false,
@@ -132,6 +192,7 @@
       "enabled": true,
       "firmware_version": "1.57.0",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:5:2::4",
       "kavlan": true,
       "mac": "f0:4d:a2:73:cf:2a",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paranoia/nodes/paranoia-5.json b/data/grid5000/sites/rennes/clusters/paranoia/nodes/paranoia-5.json
index b2f97fe08bc3e0bef9450450170091ba691d5b83..9c43ce325076bb6a409750e173df2782e5282746 100644
--- a/data/grid5000/sites/rennes/clusters/paranoia/nodes/paranoia-5.json
+++ b/data/grid5000/sites/rennes/clusters/paranoia/nodes/paranoia-5.json
@@ -76,6 +76,65 @@
       "kavlan-9": "10.25.67.5"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:5::5",
+      "kavlan-11": "2001:660:4406:78b:5::5",
+      "kavlan-12": "2001:660:4406:78c:5::5",
+      "kavlan-13": "2001:660:4406:78d:5::5",
+      "kavlan-14": "2001:660:4406:78e:5::5",
+      "kavlan-16": "2001:660:4406:790:5::5",
+      "kavlan-18": "2001:660:4406:792:5::5",
+      "kavlan-2": "2001:660:4406:782:5::5",
+      "kavlan-20": "2001:660:4406:794:5::5",
+      "kavlan-21": "2001:660:4406:795:5::5",
+      "kavlan-3": "2001:660:4406:783:5::5",
+      "kavlan-4": "2001:660:4406:784:5::5",
+      "kavlan-5": "2001:660:4406:785:5::5",
+      "kavlan-6": "2001:660:4406:786:5::5",
+      "kavlan-7": "2001:660:4406:787:5::5",
+      "kavlan-8": "2001:660:4406:788:5::5",
+      "kavlan-9": "2001:660:4406:789:5::5"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:5:1::5",
+      "kavlan-11": "2001:660:4406:78b:5:1::5",
+      "kavlan-12": "2001:660:4406:78c:5:1::5",
+      "kavlan-13": "2001:660:4406:78d:5:1::5",
+      "kavlan-14": "2001:660:4406:78e:5:1::5",
+      "kavlan-16": "2001:660:4406:790:5:1::5",
+      "kavlan-18": "2001:660:4406:792:5:1::5",
+      "kavlan-2": "2001:660:4406:782:5:1::5",
+      "kavlan-20": "2001:660:4406:794:5:1::5",
+      "kavlan-21": "2001:660:4406:795:5:1::5",
+      "kavlan-3": "2001:660:4406:783:5:1::5",
+      "kavlan-4": "2001:660:4406:784:5:1::5",
+      "kavlan-5": "2001:660:4406:785:5:1::5",
+      "kavlan-6": "2001:660:4406:786:5:1::5",
+      "kavlan-7": "2001:660:4406:787:5:1::5",
+      "kavlan-8": "2001:660:4406:788:5:1::5",
+      "kavlan-9": "2001:660:4406:789:5:1::5"
+    },
+    "eth2": {
+      "kavlan-1": "2001:660:4406:781:5:2::5",
+      "kavlan-11": "2001:660:4406:78b:5:2::5",
+      "kavlan-12": "2001:660:4406:78c:5:2::5",
+      "kavlan-13": "2001:660:4406:78d:5:2::5",
+      "kavlan-14": "2001:660:4406:78e:5:2::5",
+      "kavlan-16": "2001:660:4406:790:5:2::5",
+      "kavlan-18": "2001:660:4406:792:5:2::5",
+      "kavlan-2": "2001:660:4406:782:5:2::5",
+      "kavlan-20": "2001:660:4406:794:5:2::5",
+      "kavlan-21": "2001:660:4406:795:5:2::5",
+      "kavlan-3": "2001:660:4406:783:5:2::5",
+      "kavlan-4": "2001:660:4406:784:5:2::5",
+      "kavlan-5": "2001:660:4406:785:5:2::5",
+      "kavlan-6": "2001:660:4406:786:5:2::5",
+      "kavlan-7": "2001:660:4406:787:5:2::5",
+      "kavlan-8": "2001:660:4406:788:5:2::5",
+      "kavlan-9": "2001:660:4406:789:5:2::5"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -112,6 +171,7 @@
       "enabled": true,
       "firmware_version": "0x800004e1",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:5:1::5",
       "kavlan": true,
       "mac": "a0:36:9f:28:a7:ba",
       "management": false,
@@ -132,6 +192,7 @@
       "enabled": true,
       "firmware_version": "1.57.0",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:5:2::5",
       "kavlan": true,
       "mac": "f0:4d:a2:73:cc:6f",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paranoia/nodes/paranoia-6.json b/data/grid5000/sites/rennes/clusters/paranoia/nodes/paranoia-6.json
index c833a39093513968ba68981fd98d170d3b2bd3f5..068802deb9a7c0eaee595b3628e305bf10c990ec 100644
--- a/data/grid5000/sites/rennes/clusters/paranoia/nodes/paranoia-6.json
+++ b/data/grid5000/sites/rennes/clusters/paranoia/nodes/paranoia-6.json
@@ -76,6 +76,65 @@
       "kavlan-9": "10.25.67.6"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:5::6",
+      "kavlan-11": "2001:660:4406:78b:5::6",
+      "kavlan-12": "2001:660:4406:78c:5::6",
+      "kavlan-13": "2001:660:4406:78d:5::6",
+      "kavlan-14": "2001:660:4406:78e:5::6",
+      "kavlan-16": "2001:660:4406:790:5::6",
+      "kavlan-18": "2001:660:4406:792:5::6",
+      "kavlan-2": "2001:660:4406:782:5::6",
+      "kavlan-20": "2001:660:4406:794:5::6",
+      "kavlan-21": "2001:660:4406:795:5::6",
+      "kavlan-3": "2001:660:4406:783:5::6",
+      "kavlan-4": "2001:660:4406:784:5::6",
+      "kavlan-5": "2001:660:4406:785:5::6",
+      "kavlan-6": "2001:660:4406:786:5::6",
+      "kavlan-7": "2001:660:4406:787:5::6",
+      "kavlan-8": "2001:660:4406:788:5::6",
+      "kavlan-9": "2001:660:4406:789:5::6"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:5:1::6",
+      "kavlan-11": "2001:660:4406:78b:5:1::6",
+      "kavlan-12": "2001:660:4406:78c:5:1::6",
+      "kavlan-13": "2001:660:4406:78d:5:1::6",
+      "kavlan-14": "2001:660:4406:78e:5:1::6",
+      "kavlan-16": "2001:660:4406:790:5:1::6",
+      "kavlan-18": "2001:660:4406:792:5:1::6",
+      "kavlan-2": "2001:660:4406:782:5:1::6",
+      "kavlan-20": "2001:660:4406:794:5:1::6",
+      "kavlan-21": "2001:660:4406:795:5:1::6",
+      "kavlan-3": "2001:660:4406:783:5:1::6",
+      "kavlan-4": "2001:660:4406:784:5:1::6",
+      "kavlan-5": "2001:660:4406:785:5:1::6",
+      "kavlan-6": "2001:660:4406:786:5:1::6",
+      "kavlan-7": "2001:660:4406:787:5:1::6",
+      "kavlan-8": "2001:660:4406:788:5:1::6",
+      "kavlan-9": "2001:660:4406:789:5:1::6"
+    },
+    "eth2": {
+      "kavlan-1": "2001:660:4406:781:5:2::6",
+      "kavlan-11": "2001:660:4406:78b:5:2::6",
+      "kavlan-12": "2001:660:4406:78c:5:2::6",
+      "kavlan-13": "2001:660:4406:78d:5:2::6",
+      "kavlan-14": "2001:660:4406:78e:5:2::6",
+      "kavlan-16": "2001:660:4406:790:5:2::6",
+      "kavlan-18": "2001:660:4406:792:5:2::6",
+      "kavlan-2": "2001:660:4406:782:5:2::6",
+      "kavlan-20": "2001:660:4406:794:5:2::6",
+      "kavlan-21": "2001:660:4406:795:5:2::6",
+      "kavlan-3": "2001:660:4406:783:5:2::6",
+      "kavlan-4": "2001:660:4406:784:5:2::6",
+      "kavlan-5": "2001:660:4406:785:5:2::6",
+      "kavlan-6": "2001:660:4406:786:5:2::6",
+      "kavlan-7": "2001:660:4406:787:5:2::6",
+      "kavlan-8": "2001:660:4406:788:5:2::6",
+      "kavlan-9": "2001:660:4406:789:5:2::6"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -112,6 +171,7 @@
       "enabled": true,
       "firmware_version": "0x800004e1",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:5:1::6",
       "kavlan": true,
       "mac": "a0:36:9f:28:a7:b6",
       "management": false,
@@ -132,6 +192,7 @@
       "enabled": true,
       "firmware_version": "1.57.0",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:5:2::6",
       "kavlan": true,
       "mac": "f0:4d:a2:73:ce:22",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paranoia/nodes/paranoia-7.json b/data/grid5000/sites/rennes/clusters/paranoia/nodes/paranoia-7.json
index 4642cb5b0f4e13649c7a1ee5eaff62aa3296be28..e11970ddaa0f70d9e71f4cbab34a320f20159496 100644
--- a/data/grid5000/sites/rennes/clusters/paranoia/nodes/paranoia-7.json
+++ b/data/grid5000/sites/rennes/clusters/paranoia/nodes/paranoia-7.json
@@ -76,6 +76,65 @@
       "kavlan-9": "10.25.67.7"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:5::7",
+      "kavlan-11": "2001:660:4406:78b:5::7",
+      "kavlan-12": "2001:660:4406:78c:5::7",
+      "kavlan-13": "2001:660:4406:78d:5::7",
+      "kavlan-14": "2001:660:4406:78e:5::7",
+      "kavlan-16": "2001:660:4406:790:5::7",
+      "kavlan-18": "2001:660:4406:792:5::7",
+      "kavlan-2": "2001:660:4406:782:5::7",
+      "kavlan-20": "2001:660:4406:794:5::7",
+      "kavlan-21": "2001:660:4406:795:5::7",
+      "kavlan-3": "2001:660:4406:783:5::7",
+      "kavlan-4": "2001:660:4406:784:5::7",
+      "kavlan-5": "2001:660:4406:785:5::7",
+      "kavlan-6": "2001:660:4406:786:5::7",
+      "kavlan-7": "2001:660:4406:787:5::7",
+      "kavlan-8": "2001:660:4406:788:5::7",
+      "kavlan-9": "2001:660:4406:789:5::7"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:5:1::7",
+      "kavlan-11": "2001:660:4406:78b:5:1::7",
+      "kavlan-12": "2001:660:4406:78c:5:1::7",
+      "kavlan-13": "2001:660:4406:78d:5:1::7",
+      "kavlan-14": "2001:660:4406:78e:5:1::7",
+      "kavlan-16": "2001:660:4406:790:5:1::7",
+      "kavlan-18": "2001:660:4406:792:5:1::7",
+      "kavlan-2": "2001:660:4406:782:5:1::7",
+      "kavlan-20": "2001:660:4406:794:5:1::7",
+      "kavlan-21": "2001:660:4406:795:5:1::7",
+      "kavlan-3": "2001:660:4406:783:5:1::7",
+      "kavlan-4": "2001:660:4406:784:5:1::7",
+      "kavlan-5": "2001:660:4406:785:5:1::7",
+      "kavlan-6": "2001:660:4406:786:5:1::7",
+      "kavlan-7": "2001:660:4406:787:5:1::7",
+      "kavlan-8": "2001:660:4406:788:5:1::7",
+      "kavlan-9": "2001:660:4406:789:5:1::7"
+    },
+    "eth2": {
+      "kavlan-1": "2001:660:4406:781:5:2::7",
+      "kavlan-11": "2001:660:4406:78b:5:2::7",
+      "kavlan-12": "2001:660:4406:78c:5:2::7",
+      "kavlan-13": "2001:660:4406:78d:5:2::7",
+      "kavlan-14": "2001:660:4406:78e:5:2::7",
+      "kavlan-16": "2001:660:4406:790:5:2::7",
+      "kavlan-18": "2001:660:4406:792:5:2::7",
+      "kavlan-2": "2001:660:4406:782:5:2::7",
+      "kavlan-20": "2001:660:4406:794:5:2::7",
+      "kavlan-21": "2001:660:4406:795:5:2::7",
+      "kavlan-3": "2001:660:4406:783:5:2::7",
+      "kavlan-4": "2001:660:4406:784:5:2::7",
+      "kavlan-5": "2001:660:4406:785:5:2::7",
+      "kavlan-6": "2001:660:4406:786:5:2::7",
+      "kavlan-7": "2001:660:4406:787:5:2::7",
+      "kavlan-8": "2001:660:4406:788:5:2::7",
+      "kavlan-9": "2001:660:4406:789:5:2::7"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -112,6 +171,7 @@
       "enabled": true,
       "firmware_version": "0x800004e1",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:5:1::7",
       "kavlan": true,
       "mac": "a0:36:9f:28:a9:16",
       "management": false,
@@ -132,6 +192,7 @@
       "enabled": true,
       "firmware_version": "1.57.0",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:5:2::7",
       "kavlan": true,
       "mac": "f0:4d:a2:73:ca:ad",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paranoia/nodes/paranoia-8.json b/data/grid5000/sites/rennes/clusters/paranoia/nodes/paranoia-8.json
index 6963df938c8d90fde7128777f6b04d637bae2c44..8ebf510f45d08058f34d67b2001fb117da51d853 100644
--- a/data/grid5000/sites/rennes/clusters/paranoia/nodes/paranoia-8.json
+++ b/data/grid5000/sites/rennes/clusters/paranoia/nodes/paranoia-8.json
@@ -76,6 +76,65 @@
       "kavlan-9": "10.25.67.8"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:5::8",
+      "kavlan-11": "2001:660:4406:78b:5::8",
+      "kavlan-12": "2001:660:4406:78c:5::8",
+      "kavlan-13": "2001:660:4406:78d:5::8",
+      "kavlan-14": "2001:660:4406:78e:5::8",
+      "kavlan-16": "2001:660:4406:790:5::8",
+      "kavlan-18": "2001:660:4406:792:5::8",
+      "kavlan-2": "2001:660:4406:782:5::8",
+      "kavlan-20": "2001:660:4406:794:5::8",
+      "kavlan-21": "2001:660:4406:795:5::8",
+      "kavlan-3": "2001:660:4406:783:5::8",
+      "kavlan-4": "2001:660:4406:784:5::8",
+      "kavlan-5": "2001:660:4406:785:5::8",
+      "kavlan-6": "2001:660:4406:786:5::8",
+      "kavlan-7": "2001:660:4406:787:5::8",
+      "kavlan-8": "2001:660:4406:788:5::8",
+      "kavlan-9": "2001:660:4406:789:5::8"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:5:1::8",
+      "kavlan-11": "2001:660:4406:78b:5:1::8",
+      "kavlan-12": "2001:660:4406:78c:5:1::8",
+      "kavlan-13": "2001:660:4406:78d:5:1::8",
+      "kavlan-14": "2001:660:4406:78e:5:1::8",
+      "kavlan-16": "2001:660:4406:790:5:1::8",
+      "kavlan-18": "2001:660:4406:792:5:1::8",
+      "kavlan-2": "2001:660:4406:782:5:1::8",
+      "kavlan-20": "2001:660:4406:794:5:1::8",
+      "kavlan-21": "2001:660:4406:795:5:1::8",
+      "kavlan-3": "2001:660:4406:783:5:1::8",
+      "kavlan-4": "2001:660:4406:784:5:1::8",
+      "kavlan-5": "2001:660:4406:785:5:1::8",
+      "kavlan-6": "2001:660:4406:786:5:1::8",
+      "kavlan-7": "2001:660:4406:787:5:1::8",
+      "kavlan-8": "2001:660:4406:788:5:1::8",
+      "kavlan-9": "2001:660:4406:789:5:1::8"
+    },
+    "eth2": {
+      "kavlan-1": "2001:660:4406:781:5:2::8",
+      "kavlan-11": "2001:660:4406:78b:5:2::8",
+      "kavlan-12": "2001:660:4406:78c:5:2::8",
+      "kavlan-13": "2001:660:4406:78d:5:2::8",
+      "kavlan-14": "2001:660:4406:78e:5:2::8",
+      "kavlan-16": "2001:660:4406:790:5:2::8",
+      "kavlan-18": "2001:660:4406:792:5:2::8",
+      "kavlan-2": "2001:660:4406:782:5:2::8",
+      "kavlan-20": "2001:660:4406:794:5:2::8",
+      "kavlan-21": "2001:660:4406:795:5:2::8",
+      "kavlan-3": "2001:660:4406:783:5:2::8",
+      "kavlan-4": "2001:660:4406:784:5:2::8",
+      "kavlan-5": "2001:660:4406:785:5:2::8",
+      "kavlan-6": "2001:660:4406:786:5:2::8",
+      "kavlan-7": "2001:660:4406:787:5:2::8",
+      "kavlan-8": "2001:660:4406:788:5:2::8",
+      "kavlan-9": "2001:660:4406:789:5:2::8"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -112,6 +171,7 @@
       "enabled": true,
       "firmware_version": "0x800004e1",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:5:1::8",
       "kavlan": true,
       "mac": "a0:36:9f:28:a9:1a",
       "management": false,
@@ -132,6 +192,7 @@
       "enabled": true,
       "firmware_version": "1.57.0",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:5:2::8",
       "kavlan": true,
       "mac": "f0:4d:a2:73:ce:3d",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-1.json b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-1.json
index ad6b73acc4e91400f9e366e870db1bd748b6c5f1..d6b36874e81262df9a14304a66ebc51f982daf93 100644
--- a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-1.json
+++ b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-1.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.25.64.1"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:3::1",
+      "kavlan-11": "2001:660:4406:78b:3::1",
+      "kavlan-12": "2001:660:4406:78c:3::1",
+      "kavlan-13": "2001:660:4406:78d:3::1",
+      "kavlan-14": "2001:660:4406:78e:3::1",
+      "kavlan-16": "2001:660:4406:790:3::1",
+      "kavlan-18": "2001:660:4406:792:3::1",
+      "kavlan-2": "2001:660:4406:782:3::1",
+      "kavlan-20": "2001:660:4406:794:3::1",
+      "kavlan-21": "2001:660:4406:795:3::1",
+      "kavlan-3": "2001:660:4406:783:3::1",
+      "kavlan-4": "2001:660:4406:784:3::1",
+      "kavlan-5": "2001:660:4406:785:3::1",
+      "kavlan-6": "2001:660:4406:786:3::1",
+      "kavlan-7": "2001:660:4406:787:3::1",
+      "kavlan-8": "2001:660:4406:788:3::1",
+      "kavlan-9": "2001:660:4406:789:3::1"
+    }
+  },
   "main_memory": {
     "ram_size": 25769803776
   },
diff --git a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-10.json b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-10.json
index fc7cae2ac0bb5ed2502fb16113d9fbb64c721b50..3c7f44650f20d967ab386fce3417b474f1e8e87c 100644
--- a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-10.json
+++ b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-10.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.25.64.10"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:3::a",
+      "kavlan-11": "2001:660:4406:78b:3::a",
+      "kavlan-12": "2001:660:4406:78c:3::a",
+      "kavlan-13": "2001:660:4406:78d:3::a",
+      "kavlan-14": "2001:660:4406:78e:3::a",
+      "kavlan-16": "2001:660:4406:790:3::a",
+      "kavlan-18": "2001:660:4406:792:3::a",
+      "kavlan-2": "2001:660:4406:782:3::a",
+      "kavlan-20": "2001:660:4406:794:3::a",
+      "kavlan-21": "2001:660:4406:795:3::a",
+      "kavlan-3": "2001:660:4406:783:3::a",
+      "kavlan-4": "2001:660:4406:784:3::a",
+      "kavlan-5": "2001:660:4406:785:3::a",
+      "kavlan-6": "2001:660:4406:786:3::a",
+      "kavlan-7": "2001:660:4406:787:3::a",
+      "kavlan-8": "2001:660:4406:788:3::a",
+      "kavlan-9": "2001:660:4406:789:3::a"
+    }
+  },
   "main_memory": {
     "ram_size": 25769803776
   },
diff --git a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-11.json b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-11.json
index 6fa077afd900dbe1e37b9bed7378463c6b6f8ebc..f5880e5f38bc1a2df6e30503b4e56de7a4149863 100644
--- a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-11.json
+++ b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-11.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.25.64.11"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:3::b",
+      "kavlan-11": "2001:660:4406:78b:3::b",
+      "kavlan-12": "2001:660:4406:78c:3::b",
+      "kavlan-13": "2001:660:4406:78d:3::b",
+      "kavlan-14": "2001:660:4406:78e:3::b",
+      "kavlan-16": "2001:660:4406:790:3::b",
+      "kavlan-18": "2001:660:4406:792:3::b",
+      "kavlan-2": "2001:660:4406:782:3::b",
+      "kavlan-20": "2001:660:4406:794:3::b",
+      "kavlan-21": "2001:660:4406:795:3::b",
+      "kavlan-3": "2001:660:4406:783:3::b",
+      "kavlan-4": "2001:660:4406:784:3::b",
+      "kavlan-5": "2001:660:4406:785:3::b",
+      "kavlan-6": "2001:660:4406:786:3::b",
+      "kavlan-7": "2001:660:4406:787:3::b",
+      "kavlan-8": "2001:660:4406:788:3::b",
+      "kavlan-9": "2001:660:4406:789:3::b"
+    }
+  },
   "main_memory": {
     "ram_size": 25769803776
   },
diff --git a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-12.json b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-12.json
index 44e2721dc06c67e9bf2cd482de29bdd037cf3c5c..d9309094e1e3c7e8d137a88b6a32ddc378eb08eb 100644
--- a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-12.json
+++ b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-12.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.25.64.12"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:3::c",
+      "kavlan-11": "2001:660:4406:78b:3::c",
+      "kavlan-12": "2001:660:4406:78c:3::c",
+      "kavlan-13": "2001:660:4406:78d:3::c",
+      "kavlan-14": "2001:660:4406:78e:3::c",
+      "kavlan-16": "2001:660:4406:790:3::c",
+      "kavlan-18": "2001:660:4406:792:3::c",
+      "kavlan-2": "2001:660:4406:782:3::c",
+      "kavlan-20": "2001:660:4406:794:3::c",
+      "kavlan-21": "2001:660:4406:795:3::c",
+      "kavlan-3": "2001:660:4406:783:3::c",
+      "kavlan-4": "2001:660:4406:784:3::c",
+      "kavlan-5": "2001:660:4406:785:3::c",
+      "kavlan-6": "2001:660:4406:786:3::c",
+      "kavlan-7": "2001:660:4406:787:3::c",
+      "kavlan-8": "2001:660:4406:788:3::c",
+      "kavlan-9": "2001:660:4406:789:3::c"
+    }
+  },
   "main_memory": {
     "ram_size": 25769803776
   },
diff --git a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-13.json b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-13.json
index a88b69b6abf3b707755315b51a7d001e4706c38d..292fc4ec31ca0504b915232cfef04e4f0e4c2c39 100644
--- a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-13.json
+++ b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-13.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.25.64.13"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:3::d",
+      "kavlan-11": "2001:660:4406:78b:3::d",
+      "kavlan-12": "2001:660:4406:78c:3::d",
+      "kavlan-13": "2001:660:4406:78d:3::d",
+      "kavlan-14": "2001:660:4406:78e:3::d",
+      "kavlan-16": "2001:660:4406:790:3::d",
+      "kavlan-18": "2001:660:4406:792:3::d",
+      "kavlan-2": "2001:660:4406:782:3::d",
+      "kavlan-20": "2001:660:4406:794:3::d",
+      "kavlan-21": "2001:660:4406:795:3::d",
+      "kavlan-3": "2001:660:4406:783:3::d",
+      "kavlan-4": "2001:660:4406:784:3::d",
+      "kavlan-5": "2001:660:4406:785:3::d",
+      "kavlan-6": "2001:660:4406:786:3::d",
+      "kavlan-7": "2001:660:4406:787:3::d",
+      "kavlan-8": "2001:660:4406:788:3::d",
+      "kavlan-9": "2001:660:4406:789:3::d"
+    }
+  },
   "main_memory": {
     "ram_size": 25769803776
   },
diff --git a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-16.json b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-16.json
index af72bf4a03972dc3f38ec811113012f1d70b199f..883ad58202c9219bf0710417d98d32edd5ece670 100644
--- a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-16.json
+++ b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-16.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.25.64.16"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:3::10",
+      "kavlan-11": "2001:660:4406:78b:3::10",
+      "kavlan-12": "2001:660:4406:78c:3::10",
+      "kavlan-13": "2001:660:4406:78d:3::10",
+      "kavlan-14": "2001:660:4406:78e:3::10",
+      "kavlan-16": "2001:660:4406:790:3::10",
+      "kavlan-18": "2001:660:4406:792:3::10",
+      "kavlan-2": "2001:660:4406:782:3::10",
+      "kavlan-20": "2001:660:4406:794:3::10",
+      "kavlan-21": "2001:660:4406:795:3::10",
+      "kavlan-3": "2001:660:4406:783:3::10",
+      "kavlan-4": "2001:660:4406:784:3::10",
+      "kavlan-5": "2001:660:4406:785:3::10",
+      "kavlan-6": "2001:660:4406:786:3::10",
+      "kavlan-7": "2001:660:4406:787:3::10",
+      "kavlan-8": "2001:660:4406:788:3::10",
+      "kavlan-9": "2001:660:4406:789:3::10"
+    }
+  },
   "main_memory": {
     "ram_size": 25769803776
   },
diff --git a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-18.json b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-18.json
index b2d7e98a773a6954a6385d564f5d44e1f555f7ef..ee1888ba50102c7b44bb2127b7aeb733a1276630 100644
--- a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-18.json
+++ b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-18.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.25.64.18"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:3::12",
+      "kavlan-11": "2001:660:4406:78b:3::12",
+      "kavlan-12": "2001:660:4406:78c:3::12",
+      "kavlan-13": "2001:660:4406:78d:3::12",
+      "kavlan-14": "2001:660:4406:78e:3::12",
+      "kavlan-16": "2001:660:4406:790:3::12",
+      "kavlan-18": "2001:660:4406:792:3::12",
+      "kavlan-2": "2001:660:4406:782:3::12",
+      "kavlan-20": "2001:660:4406:794:3::12",
+      "kavlan-21": "2001:660:4406:795:3::12",
+      "kavlan-3": "2001:660:4406:783:3::12",
+      "kavlan-4": "2001:660:4406:784:3::12",
+      "kavlan-5": "2001:660:4406:785:3::12",
+      "kavlan-6": "2001:660:4406:786:3::12",
+      "kavlan-7": "2001:660:4406:787:3::12",
+      "kavlan-8": "2001:660:4406:788:3::12",
+      "kavlan-9": "2001:660:4406:789:3::12"
+    }
+  },
   "main_memory": {
     "ram_size": 25769803776
   },
diff --git a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-19.json b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-19.json
index 084e05a9bde90e178f39280bb91cce5ca606b888..1be4da46d015e66869a4dc90fd0e1e1cce5d1a0b 100644
--- a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-19.json
+++ b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-19.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.25.64.19"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:3::13",
+      "kavlan-11": "2001:660:4406:78b:3::13",
+      "kavlan-12": "2001:660:4406:78c:3::13",
+      "kavlan-13": "2001:660:4406:78d:3::13",
+      "kavlan-14": "2001:660:4406:78e:3::13",
+      "kavlan-16": "2001:660:4406:790:3::13",
+      "kavlan-18": "2001:660:4406:792:3::13",
+      "kavlan-2": "2001:660:4406:782:3::13",
+      "kavlan-20": "2001:660:4406:794:3::13",
+      "kavlan-21": "2001:660:4406:795:3::13",
+      "kavlan-3": "2001:660:4406:783:3::13",
+      "kavlan-4": "2001:660:4406:784:3::13",
+      "kavlan-5": "2001:660:4406:785:3::13",
+      "kavlan-6": "2001:660:4406:786:3::13",
+      "kavlan-7": "2001:660:4406:787:3::13",
+      "kavlan-8": "2001:660:4406:788:3::13",
+      "kavlan-9": "2001:660:4406:789:3::13"
+    }
+  },
   "main_memory": {
     "ram_size": 25769803776
   },
diff --git a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-2.json b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-2.json
index bdf559da6e4b70d12afd4ab5b9afa213fbad4e33..f514ffb3043890bea7aaff346dfdae19ba86e115 100644
--- a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-2.json
+++ b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-2.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.25.64.2"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:3::2",
+      "kavlan-11": "2001:660:4406:78b:3::2",
+      "kavlan-12": "2001:660:4406:78c:3::2",
+      "kavlan-13": "2001:660:4406:78d:3::2",
+      "kavlan-14": "2001:660:4406:78e:3::2",
+      "kavlan-16": "2001:660:4406:790:3::2",
+      "kavlan-18": "2001:660:4406:792:3::2",
+      "kavlan-2": "2001:660:4406:782:3::2",
+      "kavlan-20": "2001:660:4406:794:3::2",
+      "kavlan-21": "2001:660:4406:795:3::2",
+      "kavlan-3": "2001:660:4406:783:3::2",
+      "kavlan-4": "2001:660:4406:784:3::2",
+      "kavlan-5": "2001:660:4406:785:3::2",
+      "kavlan-6": "2001:660:4406:786:3::2",
+      "kavlan-7": "2001:660:4406:787:3::2",
+      "kavlan-8": "2001:660:4406:788:3::2",
+      "kavlan-9": "2001:660:4406:789:3::2"
+    }
+  },
   "main_memory": {
     "ram_size": 25769803776
   },
diff --git a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-20.json b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-20.json
index 495900b52ae47856d2db47a35dbbbeaf0db6c054..49725864b8622ea89bee6f29cffac0d4ab1db615 100644
--- a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-20.json
+++ b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-20.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.25.64.20"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:3::14",
+      "kavlan-11": "2001:660:4406:78b:3::14",
+      "kavlan-12": "2001:660:4406:78c:3::14",
+      "kavlan-13": "2001:660:4406:78d:3::14",
+      "kavlan-14": "2001:660:4406:78e:3::14",
+      "kavlan-16": "2001:660:4406:790:3::14",
+      "kavlan-18": "2001:660:4406:792:3::14",
+      "kavlan-2": "2001:660:4406:782:3::14",
+      "kavlan-20": "2001:660:4406:794:3::14",
+      "kavlan-21": "2001:660:4406:795:3::14",
+      "kavlan-3": "2001:660:4406:783:3::14",
+      "kavlan-4": "2001:660:4406:784:3::14",
+      "kavlan-5": "2001:660:4406:785:3::14",
+      "kavlan-6": "2001:660:4406:786:3::14",
+      "kavlan-7": "2001:660:4406:787:3::14",
+      "kavlan-8": "2001:660:4406:788:3::14",
+      "kavlan-9": "2001:660:4406:789:3::14"
+    }
+  },
   "main_memory": {
     "ram_size": 25769803776
   },
diff --git a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-21.json b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-21.json
index 1f562bab1ab115a0aefd5b9b48f6858e876e6f76..9c5fb89731d2447ff753eba9dbba4ed31749dedb 100644
--- a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-21.json
+++ b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-21.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.25.64.21"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:3::15",
+      "kavlan-11": "2001:660:4406:78b:3::15",
+      "kavlan-12": "2001:660:4406:78c:3::15",
+      "kavlan-13": "2001:660:4406:78d:3::15",
+      "kavlan-14": "2001:660:4406:78e:3::15",
+      "kavlan-16": "2001:660:4406:790:3::15",
+      "kavlan-18": "2001:660:4406:792:3::15",
+      "kavlan-2": "2001:660:4406:782:3::15",
+      "kavlan-20": "2001:660:4406:794:3::15",
+      "kavlan-21": "2001:660:4406:795:3::15",
+      "kavlan-3": "2001:660:4406:783:3::15",
+      "kavlan-4": "2001:660:4406:784:3::15",
+      "kavlan-5": "2001:660:4406:785:3::15",
+      "kavlan-6": "2001:660:4406:786:3::15",
+      "kavlan-7": "2001:660:4406:787:3::15",
+      "kavlan-8": "2001:660:4406:788:3::15",
+      "kavlan-9": "2001:660:4406:789:3::15"
+    }
+  },
   "main_memory": {
     "ram_size": 25769803776
   },
diff --git a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-24.json b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-24.json
index 5a549aa76fe61f5fc08d11d3d913df065b61317f..c4ce59f06d3f78faf0361412031ab8865c9e4095 100644
--- a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-24.json
+++ b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-24.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.25.64.24"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:3::18",
+      "kavlan-11": "2001:660:4406:78b:3::18",
+      "kavlan-12": "2001:660:4406:78c:3::18",
+      "kavlan-13": "2001:660:4406:78d:3::18",
+      "kavlan-14": "2001:660:4406:78e:3::18",
+      "kavlan-16": "2001:660:4406:790:3::18",
+      "kavlan-18": "2001:660:4406:792:3::18",
+      "kavlan-2": "2001:660:4406:782:3::18",
+      "kavlan-20": "2001:660:4406:794:3::18",
+      "kavlan-21": "2001:660:4406:795:3::18",
+      "kavlan-3": "2001:660:4406:783:3::18",
+      "kavlan-4": "2001:660:4406:784:3::18",
+      "kavlan-5": "2001:660:4406:785:3::18",
+      "kavlan-6": "2001:660:4406:786:3::18",
+      "kavlan-7": "2001:660:4406:787:3::18",
+      "kavlan-8": "2001:660:4406:788:3::18",
+      "kavlan-9": "2001:660:4406:789:3::18"
+    }
+  },
   "main_memory": {
     "ram_size": 25769803776
   },
diff --git a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-25.json b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-25.json
index 0e303939df6b4668572808da4ffc8c7d75117ffe..57f646fa46ce41e0c211911e95ef4ff4479ff80f 100644
--- a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-25.json
+++ b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-25.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.25.64.25"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:3::19",
+      "kavlan-11": "2001:660:4406:78b:3::19",
+      "kavlan-12": "2001:660:4406:78c:3::19",
+      "kavlan-13": "2001:660:4406:78d:3::19",
+      "kavlan-14": "2001:660:4406:78e:3::19",
+      "kavlan-16": "2001:660:4406:790:3::19",
+      "kavlan-18": "2001:660:4406:792:3::19",
+      "kavlan-2": "2001:660:4406:782:3::19",
+      "kavlan-20": "2001:660:4406:794:3::19",
+      "kavlan-21": "2001:660:4406:795:3::19",
+      "kavlan-3": "2001:660:4406:783:3::19",
+      "kavlan-4": "2001:660:4406:784:3::19",
+      "kavlan-5": "2001:660:4406:785:3::19",
+      "kavlan-6": "2001:660:4406:786:3::19",
+      "kavlan-7": "2001:660:4406:787:3::19",
+      "kavlan-8": "2001:660:4406:788:3::19",
+      "kavlan-9": "2001:660:4406:789:3::19"
+    }
+  },
   "main_memory": {
     "ram_size": 25769803776
   },
diff --git a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-3.json b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-3.json
index 557166c9d88bbb2272016aaf4692ff031b67bea7..751dc03fb24728238804d730ec055d118ac10fae 100644
--- a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-3.json
+++ b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-3.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.25.64.3"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:3::3",
+      "kavlan-11": "2001:660:4406:78b:3::3",
+      "kavlan-12": "2001:660:4406:78c:3::3",
+      "kavlan-13": "2001:660:4406:78d:3::3",
+      "kavlan-14": "2001:660:4406:78e:3::3",
+      "kavlan-16": "2001:660:4406:790:3::3",
+      "kavlan-18": "2001:660:4406:792:3::3",
+      "kavlan-2": "2001:660:4406:782:3::3",
+      "kavlan-20": "2001:660:4406:794:3::3",
+      "kavlan-21": "2001:660:4406:795:3::3",
+      "kavlan-3": "2001:660:4406:783:3::3",
+      "kavlan-4": "2001:660:4406:784:3::3",
+      "kavlan-5": "2001:660:4406:785:3::3",
+      "kavlan-6": "2001:660:4406:786:3::3",
+      "kavlan-7": "2001:660:4406:787:3::3",
+      "kavlan-8": "2001:660:4406:788:3::3",
+      "kavlan-9": "2001:660:4406:789:3::3"
+    }
+  },
   "main_memory": {
     "ram_size": 25769803776
   },
diff --git a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-4.json b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-4.json
index a8cf81903847ff08c56d69e8e0e8687c2f951164..3e62c802a303ca55875d08af755bb739db6f603c 100644
--- a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-4.json
+++ b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-4.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.25.64.4"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:3::4",
+      "kavlan-11": "2001:660:4406:78b:3::4",
+      "kavlan-12": "2001:660:4406:78c:3::4",
+      "kavlan-13": "2001:660:4406:78d:3::4",
+      "kavlan-14": "2001:660:4406:78e:3::4",
+      "kavlan-16": "2001:660:4406:790:3::4",
+      "kavlan-18": "2001:660:4406:792:3::4",
+      "kavlan-2": "2001:660:4406:782:3::4",
+      "kavlan-20": "2001:660:4406:794:3::4",
+      "kavlan-21": "2001:660:4406:795:3::4",
+      "kavlan-3": "2001:660:4406:783:3::4",
+      "kavlan-4": "2001:660:4406:784:3::4",
+      "kavlan-5": "2001:660:4406:785:3::4",
+      "kavlan-6": "2001:660:4406:786:3::4",
+      "kavlan-7": "2001:660:4406:787:3::4",
+      "kavlan-8": "2001:660:4406:788:3::4",
+      "kavlan-9": "2001:660:4406:789:3::4"
+    }
+  },
   "main_memory": {
     "ram_size": 25769803776
   },
diff --git a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-5.json b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-5.json
index 3d7f7d045b15773cfaf06598272a3df80de8fa4f..ca9e9a40982b9a86d3e76724cb1dd0a0fedbd171 100644
--- a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-5.json
+++ b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-5.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.25.64.5"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:3::5",
+      "kavlan-11": "2001:660:4406:78b:3::5",
+      "kavlan-12": "2001:660:4406:78c:3::5",
+      "kavlan-13": "2001:660:4406:78d:3::5",
+      "kavlan-14": "2001:660:4406:78e:3::5",
+      "kavlan-16": "2001:660:4406:790:3::5",
+      "kavlan-18": "2001:660:4406:792:3::5",
+      "kavlan-2": "2001:660:4406:782:3::5",
+      "kavlan-20": "2001:660:4406:794:3::5",
+      "kavlan-21": "2001:660:4406:795:3::5",
+      "kavlan-3": "2001:660:4406:783:3::5",
+      "kavlan-4": "2001:660:4406:784:3::5",
+      "kavlan-5": "2001:660:4406:785:3::5",
+      "kavlan-6": "2001:660:4406:786:3::5",
+      "kavlan-7": "2001:660:4406:787:3::5",
+      "kavlan-8": "2001:660:4406:788:3::5",
+      "kavlan-9": "2001:660:4406:789:3::5"
+    }
+  },
   "main_memory": {
     "ram_size": 25769803776
   },
diff --git a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-6.json b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-6.json
index ed0cb7eeb07706c9992dee63382437d608b86f90..907da988ec6ca64d90cf5d8274c3477d5276999e 100644
--- a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-6.json
+++ b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-6.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.25.64.6"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:3::6",
+      "kavlan-11": "2001:660:4406:78b:3::6",
+      "kavlan-12": "2001:660:4406:78c:3::6",
+      "kavlan-13": "2001:660:4406:78d:3::6",
+      "kavlan-14": "2001:660:4406:78e:3::6",
+      "kavlan-16": "2001:660:4406:790:3::6",
+      "kavlan-18": "2001:660:4406:792:3::6",
+      "kavlan-2": "2001:660:4406:782:3::6",
+      "kavlan-20": "2001:660:4406:794:3::6",
+      "kavlan-21": "2001:660:4406:795:3::6",
+      "kavlan-3": "2001:660:4406:783:3::6",
+      "kavlan-4": "2001:660:4406:784:3::6",
+      "kavlan-5": "2001:660:4406:785:3::6",
+      "kavlan-6": "2001:660:4406:786:3::6",
+      "kavlan-7": "2001:660:4406:787:3::6",
+      "kavlan-8": "2001:660:4406:788:3::6",
+      "kavlan-9": "2001:660:4406:789:3::6"
+    }
+  },
   "main_memory": {
     "ram_size": 25769803776
   },
diff --git a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-7.json b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-7.json
index 05b821a8340625d2bce3b2b097147dc74383c746..6dacd993ed7adc4d44ce20c42fe417aaa0aa8bec 100644
--- a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-7.json
+++ b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-7.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.25.64.7"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:3::7",
+      "kavlan-11": "2001:660:4406:78b:3::7",
+      "kavlan-12": "2001:660:4406:78c:3::7",
+      "kavlan-13": "2001:660:4406:78d:3::7",
+      "kavlan-14": "2001:660:4406:78e:3::7",
+      "kavlan-16": "2001:660:4406:790:3::7",
+      "kavlan-18": "2001:660:4406:792:3::7",
+      "kavlan-2": "2001:660:4406:782:3::7",
+      "kavlan-20": "2001:660:4406:794:3::7",
+      "kavlan-21": "2001:660:4406:795:3::7",
+      "kavlan-3": "2001:660:4406:783:3::7",
+      "kavlan-4": "2001:660:4406:784:3::7",
+      "kavlan-5": "2001:660:4406:785:3::7",
+      "kavlan-6": "2001:660:4406:786:3::7",
+      "kavlan-7": "2001:660:4406:787:3::7",
+      "kavlan-8": "2001:660:4406:788:3::7",
+      "kavlan-9": "2001:660:4406:789:3::7"
+    }
+  },
   "main_memory": {
     "ram_size": 25769803776
   },
diff --git a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-8.json b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-8.json
index e4b8cf0632b8e13f36cbde622bc23105ce31d961..cff18fc22b6032bbbae19e60ea94536d434de0a3 100644
--- a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-8.json
+++ b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-8.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.25.64.8"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:3::8",
+      "kavlan-11": "2001:660:4406:78b:3::8",
+      "kavlan-12": "2001:660:4406:78c:3::8",
+      "kavlan-13": "2001:660:4406:78d:3::8",
+      "kavlan-14": "2001:660:4406:78e:3::8",
+      "kavlan-16": "2001:660:4406:790:3::8",
+      "kavlan-18": "2001:660:4406:792:3::8",
+      "kavlan-2": "2001:660:4406:782:3::8",
+      "kavlan-20": "2001:660:4406:794:3::8",
+      "kavlan-21": "2001:660:4406:795:3::8",
+      "kavlan-3": "2001:660:4406:783:3::8",
+      "kavlan-4": "2001:660:4406:784:3::8",
+      "kavlan-5": "2001:660:4406:785:3::8",
+      "kavlan-6": "2001:660:4406:786:3::8",
+      "kavlan-7": "2001:660:4406:787:3::8",
+      "kavlan-8": "2001:660:4406:788:3::8",
+      "kavlan-9": "2001:660:4406:789:3::8"
+    }
+  },
   "main_memory": {
     "ram_size": 25769803776
   },
diff --git a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-9.json b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-9.json
index fd31ad7fc392baf8ee23c8742e5971a92431b5e0..88f0ea4fd27ff9176b57bdbb5b443ebe41bcce05 100644
--- a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-9.json
+++ b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-9.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.25.64.9"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:3::9",
+      "kavlan-11": "2001:660:4406:78b:3::9",
+      "kavlan-12": "2001:660:4406:78c:3::9",
+      "kavlan-13": "2001:660:4406:78d:3::9",
+      "kavlan-14": "2001:660:4406:78e:3::9",
+      "kavlan-16": "2001:660:4406:790:3::9",
+      "kavlan-18": "2001:660:4406:792:3::9",
+      "kavlan-2": "2001:660:4406:782:3::9",
+      "kavlan-20": "2001:660:4406:794:3::9",
+      "kavlan-21": "2001:660:4406:795:3::9",
+      "kavlan-3": "2001:660:4406:783:3::9",
+      "kavlan-4": "2001:660:4406:784:3::9",
+      "kavlan-5": "2001:660:4406:785:3::9",
+      "kavlan-6": "2001:660:4406:786:3::9",
+      "kavlan-7": "2001:660:4406:787:3::9",
+      "kavlan-8": "2001:660:4406:788:3::9",
+      "kavlan-9": "2001:660:4406:789:3::9"
+    }
+  },
   "main_memory": {
     "ram_size": 25769803776
   },
diff --git a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-1.json b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-1.json
index 9bcb32a2704513e735eff62342a247fa019068e7..164b97f35b6d9614e76be7be55cefeb41b99962d 100644
--- a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-1.json
+++ b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-1.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.25.65.1"
     }
   },
+  "kavlan6": {
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:4::1",
+      "kavlan-11": "2001:660:4406:78b:4::1",
+      "kavlan-12": "2001:660:4406:78c:4::1",
+      "kavlan-13": "2001:660:4406:78d:4::1",
+      "kavlan-14": "2001:660:4406:78e:4::1",
+      "kavlan-16": "2001:660:4406:790:4::1",
+      "kavlan-18": "2001:660:4406:792:4::1",
+      "kavlan-2": "2001:660:4406:782:4::1",
+      "kavlan-20": "2001:660:4406:794:4::1",
+      "kavlan-21": "2001:660:4406:795:4::1",
+      "kavlan-3": "2001:660:4406:783:4::1",
+      "kavlan-4": "2001:660:4406:784:4::1",
+      "kavlan-5": "2001:660:4406:785:4::1",
+      "kavlan-6": "2001:660:4406:786:4::1",
+      "kavlan-7": "2001:660:4406:787:4::1",
+      "kavlan-8": "2001:660:4406:788:4::1",
+      "kavlan-9": "2001:660:4406:789:4::1"
+    }
+  },
   "main_memory": {
     "ram_size": 51539607552
   },
diff --git a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-11.json b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-11.json
index 12f82d6ac2ece83b0afceab9004fcbce17322270..42e7716b737958219715c3ec6664477f5494bed7 100644
--- a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-11.json
+++ b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-11.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.25.65.11"
     }
   },
+  "kavlan6": {
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:4::b",
+      "kavlan-11": "2001:660:4406:78b:4::b",
+      "kavlan-12": "2001:660:4406:78c:4::b",
+      "kavlan-13": "2001:660:4406:78d:4::b",
+      "kavlan-14": "2001:660:4406:78e:4::b",
+      "kavlan-16": "2001:660:4406:790:4::b",
+      "kavlan-18": "2001:660:4406:792:4::b",
+      "kavlan-2": "2001:660:4406:782:4::b",
+      "kavlan-20": "2001:660:4406:794:4::b",
+      "kavlan-21": "2001:660:4406:795:4::b",
+      "kavlan-3": "2001:660:4406:783:4::b",
+      "kavlan-4": "2001:660:4406:784:4::b",
+      "kavlan-5": "2001:660:4406:785:4::b",
+      "kavlan-6": "2001:660:4406:786:4::b",
+      "kavlan-7": "2001:660:4406:787:4::b",
+      "kavlan-8": "2001:660:4406:788:4::b",
+      "kavlan-9": "2001:660:4406:789:4::b"
+    }
+  },
   "main_memory": {
     "ram_size": 51539607552
   },
diff --git a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-12.json b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-12.json
index c5661a4c0e6c5e04e687f86ddf64695f9c1095eb..edc39ac9169988a40a397ec74fb3cc41dd04cb3e 100644
--- a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-12.json
+++ b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-12.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.25.65.12"
     }
   },
+  "kavlan6": {
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:4::c",
+      "kavlan-11": "2001:660:4406:78b:4::c",
+      "kavlan-12": "2001:660:4406:78c:4::c",
+      "kavlan-13": "2001:660:4406:78d:4::c",
+      "kavlan-14": "2001:660:4406:78e:4::c",
+      "kavlan-16": "2001:660:4406:790:4::c",
+      "kavlan-18": "2001:660:4406:792:4::c",
+      "kavlan-2": "2001:660:4406:782:4::c",
+      "kavlan-20": "2001:660:4406:794:4::c",
+      "kavlan-21": "2001:660:4406:795:4::c",
+      "kavlan-3": "2001:660:4406:783:4::c",
+      "kavlan-4": "2001:660:4406:784:4::c",
+      "kavlan-5": "2001:660:4406:785:4::c",
+      "kavlan-6": "2001:660:4406:786:4::c",
+      "kavlan-7": "2001:660:4406:787:4::c",
+      "kavlan-8": "2001:660:4406:788:4::c",
+      "kavlan-9": "2001:660:4406:789:4::c"
+    }
+  },
   "main_memory": {
     "ram_size": 51539607552
   },
diff --git a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-13.json b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-13.json
index b95f61ef5a7faa7f72123c21b7e0a3fafe231caa..9eea4a88e3a2a0c519488f7f57a00d5781ca9975 100644
--- a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-13.json
+++ b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-13.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.25.65.13"
     }
   },
+  "kavlan6": {
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:4::d",
+      "kavlan-11": "2001:660:4406:78b:4::d",
+      "kavlan-12": "2001:660:4406:78c:4::d",
+      "kavlan-13": "2001:660:4406:78d:4::d",
+      "kavlan-14": "2001:660:4406:78e:4::d",
+      "kavlan-16": "2001:660:4406:790:4::d",
+      "kavlan-18": "2001:660:4406:792:4::d",
+      "kavlan-2": "2001:660:4406:782:4::d",
+      "kavlan-20": "2001:660:4406:794:4::d",
+      "kavlan-21": "2001:660:4406:795:4::d",
+      "kavlan-3": "2001:660:4406:783:4::d",
+      "kavlan-4": "2001:660:4406:784:4::d",
+      "kavlan-5": "2001:660:4406:785:4::d",
+      "kavlan-6": "2001:660:4406:786:4::d",
+      "kavlan-7": "2001:660:4406:787:4::d",
+      "kavlan-8": "2001:660:4406:788:4::d",
+      "kavlan-9": "2001:660:4406:789:4::d"
+    }
+  },
   "main_memory": {
     "ram_size": 51539607552
   },
diff --git a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-15.json b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-15.json
index b4cda0138bc07315a566176ea8ccc2be103e5ce3..1983a3ea2dfdbd1d32565322006b4305e108f6ef 100644
--- a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-15.json
+++ b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-15.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.25.65.15"
     }
   },
+  "kavlan6": {
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:4::f",
+      "kavlan-11": "2001:660:4406:78b:4::f",
+      "kavlan-12": "2001:660:4406:78c:4::f",
+      "kavlan-13": "2001:660:4406:78d:4::f",
+      "kavlan-14": "2001:660:4406:78e:4::f",
+      "kavlan-16": "2001:660:4406:790:4::f",
+      "kavlan-18": "2001:660:4406:792:4::f",
+      "kavlan-2": "2001:660:4406:782:4::f",
+      "kavlan-20": "2001:660:4406:794:4::f",
+      "kavlan-21": "2001:660:4406:795:4::f",
+      "kavlan-3": "2001:660:4406:783:4::f",
+      "kavlan-4": "2001:660:4406:784:4::f",
+      "kavlan-5": "2001:660:4406:785:4::f",
+      "kavlan-6": "2001:660:4406:786:4::f",
+      "kavlan-7": "2001:660:4406:787:4::f",
+      "kavlan-8": "2001:660:4406:788:4::f",
+      "kavlan-9": "2001:660:4406:789:4::f"
+    }
+  },
   "main_memory": {
     "ram_size": 51539607552
   },
diff --git a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-19.json b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-19.json
index 1ee7af787af2e93ddfc99bea4b1eff24b6681b3a..d7a49ec78b3cfb07c36c488f5fbdf6f045abde91 100644
--- a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-19.json
+++ b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-19.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.25.65.19"
     }
   },
+  "kavlan6": {
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:4::13",
+      "kavlan-11": "2001:660:4406:78b:4::13",
+      "kavlan-12": "2001:660:4406:78c:4::13",
+      "kavlan-13": "2001:660:4406:78d:4::13",
+      "kavlan-14": "2001:660:4406:78e:4::13",
+      "kavlan-16": "2001:660:4406:790:4::13",
+      "kavlan-18": "2001:660:4406:792:4::13",
+      "kavlan-2": "2001:660:4406:782:4::13",
+      "kavlan-20": "2001:660:4406:794:4::13",
+      "kavlan-21": "2001:660:4406:795:4::13",
+      "kavlan-3": "2001:660:4406:783:4::13",
+      "kavlan-4": "2001:660:4406:784:4::13",
+      "kavlan-5": "2001:660:4406:785:4::13",
+      "kavlan-6": "2001:660:4406:786:4::13",
+      "kavlan-7": "2001:660:4406:787:4::13",
+      "kavlan-8": "2001:660:4406:788:4::13",
+      "kavlan-9": "2001:660:4406:789:4::13"
+    }
+  },
   "main_memory": {
     "ram_size": 51539607552
   },
diff --git a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-2.json b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-2.json
index 3f292b98d2da89f633ec26a140210dd3c03d9360..c0521f8fe77d26b1bf2eaf4b03467e2a8909a8e2 100644
--- a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-2.json
+++ b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-2.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.25.65.2"
     }
   },
+  "kavlan6": {
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:4::2",
+      "kavlan-11": "2001:660:4406:78b:4::2",
+      "kavlan-12": "2001:660:4406:78c:4::2",
+      "kavlan-13": "2001:660:4406:78d:4::2",
+      "kavlan-14": "2001:660:4406:78e:4::2",
+      "kavlan-16": "2001:660:4406:790:4::2",
+      "kavlan-18": "2001:660:4406:792:4::2",
+      "kavlan-2": "2001:660:4406:782:4::2",
+      "kavlan-20": "2001:660:4406:794:4::2",
+      "kavlan-21": "2001:660:4406:795:4::2",
+      "kavlan-3": "2001:660:4406:783:4::2",
+      "kavlan-4": "2001:660:4406:784:4::2",
+      "kavlan-5": "2001:660:4406:785:4::2",
+      "kavlan-6": "2001:660:4406:786:4::2",
+      "kavlan-7": "2001:660:4406:787:4::2",
+      "kavlan-8": "2001:660:4406:788:4::2",
+      "kavlan-9": "2001:660:4406:789:4::2"
+    }
+  },
   "main_memory": {
     "ram_size": 51539607552
   },
diff --git a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-20.json b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-20.json
index 5fa8c9cfc17068d5b68077b7b79aa7ca1b815e46..c8adc7ebd130a9193966a28105eebf8c82e6412d 100644
--- a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-20.json
+++ b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-20.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.25.65.20"
     }
   },
+  "kavlan6": {
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:4::14",
+      "kavlan-11": "2001:660:4406:78b:4::14",
+      "kavlan-12": "2001:660:4406:78c:4::14",
+      "kavlan-13": "2001:660:4406:78d:4::14",
+      "kavlan-14": "2001:660:4406:78e:4::14",
+      "kavlan-16": "2001:660:4406:790:4::14",
+      "kavlan-18": "2001:660:4406:792:4::14",
+      "kavlan-2": "2001:660:4406:782:4::14",
+      "kavlan-20": "2001:660:4406:794:4::14",
+      "kavlan-21": "2001:660:4406:795:4::14",
+      "kavlan-3": "2001:660:4406:783:4::14",
+      "kavlan-4": "2001:660:4406:784:4::14",
+      "kavlan-5": "2001:660:4406:785:4::14",
+      "kavlan-6": "2001:660:4406:786:4::14",
+      "kavlan-7": "2001:660:4406:787:4::14",
+      "kavlan-8": "2001:660:4406:788:4::14",
+      "kavlan-9": "2001:660:4406:789:4::14"
+    }
+  },
   "main_memory": {
     "ram_size": 51539607552
   },
diff --git a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-21.json b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-21.json
index 78ab0ec5138c052f2592414b82c7b1e1ee6366a8..88e5d45c7830e1315405f5a2ef9431c02bd3bfba 100644
--- a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-21.json
+++ b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-21.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.25.65.21"
     }
   },
+  "kavlan6": {
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:4::15",
+      "kavlan-11": "2001:660:4406:78b:4::15",
+      "kavlan-12": "2001:660:4406:78c:4::15",
+      "kavlan-13": "2001:660:4406:78d:4::15",
+      "kavlan-14": "2001:660:4406:78e:4::15",
+      "kavlan-16": "2001:660:4406:790:4::15",
+      "kavlan-18": "2001:660:4406:792:4::15",
+      "kavlan-2": "2001:660:4406:782:4::15",
+      "kavlan-20": "2001:660:4406:794:4::15",
+      "kavlan-21": "2001:660:4406:795:4::15",
+      "kavlan-3": "2001:660:4406:783:4::15",
+      "kavlan-4": "2001:660:4406:784:4::15",
+      "kavlan-5": "2001:660:4406:785:4::15",
+      "kavlan-6": "2001:660:4406:786:4::15",
+      "kavlan-7": "2001:660:4406:787:4::15",
+      "kavlan-8": "2001:660:4406:788:4::15",
+      "kavlan-9": "2001:660:4406:789:4::15"
+    }
+  },
   "main_memory": {
     "ram_size": 51539607552
   },
diff --git a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-22.json b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-22.json
index ea4cb7fe1bfdd7bf5e963da641d2119f407072ce..f8b6cc154f11fdfd64daf709949f402477edd09c 100644
--- a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-22.json
+++ b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-22.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.25.65.22"
     }
   },
+  "kavlan6": {
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:4::16",
+      "kavlan-11": "2001:660:4406:78b:4::16",
+      "kavlan-12": "2001:660:4406:78c:4::16",
+      "kavlan-13": "2001:660:4406:78d:4::16",
+      "kavlan-14": "2001:660:4406:78e:4::16",
+      "kavlan-16": "2001:660:4406:790:4::16",
+      "kavlan-18": "2001:660:4406:792:4::16",
+      "kavlan-2": "2001:660:4406:782:4::16",
+      "kavlan-20": "2001:660:4406:794:4::16",
+      "kavlan-21": "2001:660:4406:795:4::16",
+      "kavlan-3": "2001:660:4406:783:4::16",
+      "kavlan-4": "2001:660:4406:784:4::16",
+      "kavlan-5": "2001:660:4406:785:4::16",
+      "kavlan-6": "2001:660:4406:786:4::16",
+      "kavlan-7": "2001:660:4406:787:4::16",
+      "kavlan-8": "2001:660:4406:788:4::16",
+      "kavlan-9": "2001:660:4406:789:4::16"
+    }
+  },
   "main_memory": {
     "ram_size": 51539607552
   },
diff --git a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-25.json b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-25.json
index f0688bbf796e97538516d95bba18238d2cc7b1de..ef6fade09b3eccc0815534f62c0961c35d3f6944 100644
--- a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-25.json
+++ b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-25.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.25.65.25"
     }
   },
+  "kavlan6": {
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:4::19",
+      "kavlan-11": "2001:660:4406:78b:4::19",
+      "kavlan-12": "2001:660:4406:78c:4::19",
+      "kavlan-13": "2001:660:4406:78d:4::19",
+      "kavlan-14": "2001:660:4406:78e:4::19",
+      "kavlan-16": "2001:660:4406:790:4::19",
+      "kavlan-18": "2001:660:4406:792:4::19",
+      "kavlan-2": "2001:660:4406:782:4::19",
+      "kavlan-20": "2001:660:4406:794:4::19",
+      "kavlan-21": "2001:660:4406:795:4::19",
+      "kavlan-3": "2001:660:4406:783:4::19",
+      "kavlan-4": "2001:660:4406:784:4::19",
+      "kavlan-5": "2001:660:4406:785:4::19",
+      "kavlan-6": "2001:660:4406:786:4::19",
+      "kavlan-7": "2001:660:4406:787:4::19",
+      "kavlan-8": "2001:660:4406:788:4::19",
+      "kavlan-9": "2001:660:4406:789:4::19"
+    }
+  },
   "main_memory": {
     "ram_size": 51539607552
   },
diff --git a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-28.json b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-28.json
index 758ab231d357e0c6b67c832458fe233cfad03e3e..1c0408e0291f80c7badb145fa994bd0ad6387b75 100644
--- a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-28.json
+++ b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-28.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.25.65.28"
     }
   },
+  "kavlan6": {
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:4::1c",
+      "kavlan-11": "2001:660:4406:78b:4::1c",
+      "kavlan-12": "2001:660:4406:78c:4::1c",
+      "kavlan-13": "2001:660:4406:78d:4::1c",
+      "kavlan-14": "2001:660:4406:78e:4::1c",
+      "kavlan-16": "2001:660:4406:790:4::1c",
+      "kavlan-18": "2001:660:4406:792:4::1c",
+      "kavlan-2": "2001:660:4406:782:4::1c",
+      "kavlan-20": "2001:660:4406:794:4::1c",
+      "kavlan-21": "2001:660:4406:795:4::1c",
+      "kavlan-3": "2001:660:4406:783:4::1c",
+      "kavlan-4": "2001:660:4406:784:4::1c",
+      "kavlan-5": "2001:660:4406:785:4::1c",
+      "kavlan-6": "2001:660:4406:786:4::1c",
+      "kavlan-7": "2001:660:4406:787:4::1c",
+      "kavlan-8": "2001:660:4406:788:4::1c",
+      "kavlan-9": "2001:660:4406:789:4::1c"
+    }
+  },
   "main_memory": {
     "ram_size": 51539607552
   },
diff --git a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-31.json b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-31.json
index 221e41e89cb7e8b60cf38479134ea6154ee9f82d..82bb3c7a4a0de29a7acf2bfd7f75cffa2a258db8 100644
--- a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-31.json
+++ b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-31.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.25.65.31"
     }
   },
+  "kavlan6": {
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:4::1f",
+      "kavlan-11": "2001:660:4406:78b:4::1f",
+      "kavlan-12": "2001:660:4406:78c:4::1f",
+      "kavlan-13": "2001:660:4406:78d:4::1f",
+      "kavlan-14": "2001:660:4406:78e:4::1f",
+      "kavlan-16": "2001:660:4406:790:4::1f",
+      "kavlan-18": "2001:660:4406:792:4::1f",
+      "kavlan-2": "2001:660:4406:782:4::1f",
+      "kavlan-20": "2001:660:4406:794:4::1f",
+      "kavlan-21": "2001:660:4406:795:4::1f",
+      "kavlan-3": "2001:660:4406:783:4::1f",
+      "kavlan-4": "2001:660:4406:784:4::1f",
+      "kavlan-5": "2001:660:4406:785:4::1f",
+      "kavlan-6": "2001:660:4406:786:4::1f",
+      "kavlan-7": "2001:660:4406:787:4::1f",
+      "kavlan-8": "2001:660:4406:788:4::1f",
+      "kavlan-9": "2001:660:4406:789:4::1f"
+    }
+  },
   "main_memory": {
     "ram_size": 51539607552
   },
diff --git a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-32.json b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-32.json
index c83f61d8f78ba01cf54a50c4593333adb69b92c0..bbfd373ea142e3273782954504e55f29049db065 100644
--- a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-32.json
+++ b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-32.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.25.65.32"
     }
   },
+  "kavlan6": {
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:4::20",
+      "kavlan-11": "2001:660:4406:78b:4::20",
+      "kavlan-12": "2001:660:4406:78c:4::20",
+      "kavlan-13": "2001:660:4406:78d:4::20",
+      "kavlan-14": "2001:660:4406:78e:4::20",
+      "kavlan-16": "2001:660:4406:790:4::20",
+      "kavlan-18": "2001:660:4406:792:4::20",
+      "kavlan-2": "2001:660:4406:782:4::20",
+      "kavlan-20": "2001:660:4406:794:4::20",
+      "kavlan-21": "2001:660:4406:795:4::20",
+      "kavlan-3": "2001:660:4406:783:4::20",
+      "kavlan-4": "2001:660:4406:784:4::20",
+      "kavlan-5": "2001:660:4406:785:4::20",
+      "kavlan-6": "2001:660:4406:786:4::20",
+      "kavlan-7": "2001:660:4406:787:4::20",
+      "kavlan-8": "2001:660:4406:788:4::20",
+      "kavlan-9": "2001:660:4406:789:4::20"
+    }
+  },
   "main_memory": {
     "ram_size": 51539607552
   },
diff --git a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-35.json b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-35.json
index 1e6b227d8220a35afc18aeb311baf2df67153310..2be72ab5ab087a6874542aef8fce25b8b3143641 100644
--- a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-35.json
+++ b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-35.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.25.65.35"
     }
   },
+  "kavlan6": {
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:4::23",
+      "kavlan-11": "2001:660:4406:78b:4::23",
+      "kavlan-12": "2001:660:4406:78c:4::23",
+      "kavlan-13": "2001:660:4406:78d:4::23",
+      "kavlan-14": "2001:660:4406:78e:4::23",
+      "kavlan-16": "2001:660:4406:790:4::23",
+      "kavlan-18": "2001:660:4406:792:4::23",
+      "kavlan-2": "2001:660:4406:782:4::23",
+      "kavlan-20": "2001:660:4406:794:4::23",
+      "kavlan-21": "2001:660:4406:795:4::23",
+      "kavlan-3": "2001:660:4406:783:4::23",
+      "kavlan-4": "2001:660:4406:784:4::23",
+      "kavlan-5": "2001:660:4406:785:4::23",
+      "kavlan-6": "2001:660:4406:786:4::23",
+      "kavlan-7": "2001:660:4406:787:4::23",
+      "kavlan-8": "2001:660:4406:788:4::23",
+      "kavlan-9": "2001:660:4406:789:4::23"
+    }
+  },
   "main_memory": {
     "ram_size": 51539607552
   },
diff --git a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-38.json b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-38.json
index 99df60f597d840abc6ab2a9703d9a68be11220ea..eebead01b91829a8abdb8d8b5118eb0e455c1a64 100644
--- a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-38.json
+++ b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-38.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.25.65.38"
     }
   },
+  "kavlan6": {
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:4::26",
+      "kavlan-11": "2001:660:4406:78b:4::26",
+      "kavlan-12": "2001:660:4406:78c:4::26",
+      "kavlan-13": "2001:660:4406:78d:4::26",
+      "kavlan-14": "2001:660:4406:78e:4::26",
+      "kavlan-16": "2001:660:4406:790:4::26",
+      "kavlan-18": "2001:660:4406:792:4::26",
+      "kavlan-2": "2001:660:4406:782:4::26",
+      "kavlan-20": "2001:660:4406:794:4::26",
+      "kavlan-21": "2001:660:4406:795:4::26",
+      "kavlan-3": "2001:660:4406:783:4::26",
+      "kavlan-4": "2001:660:4406:784:4::26",
+      "kavlan-5": "2001:660:4406:785:4::26",
+      "kavlan-6": "2001:660:4406:786:4::26",
+      "kavlan-7": "2001:660:4406:787:4::26",
+      "kavlan-8": "2001:660:4406:788:4::26",
+      "kavlan-9": "2001:660:4406:789:4::26"
+    }
+  },
   "main_memory": {
     "ram_size": 51539607552
   },
diff --git a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-8.json b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-8.json
index b54216d584e2fb650e6649b54294e2a5f366c030..1fe4c157a874f0108f831f0de2bde413ede4ff19 100644
--- a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-8.json
+++ b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-8.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.25.65.8"
     }
   },
+  "kavlan6": {
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:4::8",
+      "kavlan-11": "2001:660:4406:78b:4::8",
+      "kavlan-12": "2001:660:4406:78c:4::8",
+      "kavlan-13": "2001:660:4406:78d:4::8",
+      "kavlan-14": "2001:660:4406:78e:4::8",
+      "kavlan-16": "2001:660:4406:790:4::8",
+      "kavlan-18": "2001:660:4406:792:4::8",
+      "kavlan-2": "2001:660:4406:782:4::8",
+      "kavlan-20": "2001:660:4406:794:4::8",
+      "kavlan-21": "2001:660:4406:795:4::8",
+      "kavlan-3": "2001:660:4406:783:4::8",
+      "kavlan-4": "2001:660:4406:784:4::8",
+      "kavlan-5": "2001:660:4406:785:4::8",
+      "kavlan-6": "2001:660:4406:786:4::8",
+      "kavlan-7": "2001:660:4406:787:4::8",
+      "kavlan-8": "2001:660:4406:788:4::8",
+      "kavlan-9": "2001:660:4406:789:4::8"
+    }
+  },
   "main_memory": {
     "ram_size": 51539607552
   },
diff --git a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-9.json b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-9.json
index 13853d2bb1bef3f56f68c9262c76e4eb27732bd8..4c66b7cd19fab780674b5b76ac3a6eb6227f259e 100644
--- a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-9.json
+++ b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-9.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.25.65.9"
     }
   },
+  "kavlan6": {
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:4::9",
+      "kavlan-11": "2001:660:4406:78b:4::9",
+      "kavlan-12": "2001:660:4406:78c:4::9",
+      "kavlan-13": "2001:660:4406:78d:4::9",
+      "kavlan-14": "2001:660:4406:78e:4::9",
+      "kavlan-16": "2001:660:4406:790:4::9",
+      "kavlan-18": "2001:660:4406:792:4::9",
+      "kavlan-2": "2001:660:4406:782:4::9",
+      "kavlan-20": "2001:660:4406:794:4::9",
+      "kavlan-21": "2001:660:4406:795:4::9",
+      "kavlan-3": "2001:660:4406:783:4::9",
+      "kavlan-4": "2001:660:4406:784:4::9",
+      "kavlan-5": "2001:660:4406:785:4::9",
+      "kavlan-6": "2001:660:4406:786:4::9",
+      "kavlan-7": "2001:660:4406:787:4::9",
+      "kavlan-8": "2001:660:4406:788:4::9",
+      "kavlan-9": "2001:660:4406:789:4::9"
+    }
+  },
   "main_memory": {
     "ram_size": 51539607552
   },
diff --git a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-1.json b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-1.json
index 2721afabd5887dd98f3d0ea2c02949f93fed28e6..d5c49a130861e2f2b8218b77dbce5930cabf3c27 100644
--- a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-1.json
+++ b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-1.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.72.1"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:2::1",
+      "kavlan-11": "2001:660:4406:78b:2::1",
+      "kavlan-12": "2001:660:4406:78c:2::1",
+      "kavlan-13": "2001:660:4406:78d:2::1",
+      "kavlan-14": "2001:660:4406:78e:2::1",
+      "kavlan-16": "2001:660:4406:790:2::1",
+      "kavlan-18": "2001:660:4406:792:2::1",
+      "kavlan-2": "2001:660:4406:782:2::1",
+      "kavlan-20": "2001:660:4406:794:2::1",
+      "kavlan-21": "2001:660:4406:795:2::1",
+      "kavlan-3": "2001:660:4406:783:2::1",
+      "kavlan-4": "2001:660:4406:784:2::1",
+      "kavlan-5": "2001:660:4406:785:2::1",
+      "kavlan-6": "2001:660:4406:786:2::1",
+      "kavlan-7": "2001:660:4406:787:2::1",
+      "kavlan-8": "2001:660:4406:788:2::1",
+      "kavlan-9": "2001:660:4406:789:2::1"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:2:1::1",
+      "kavlan-11": "2001:660:4406:78b:2:1::1",
+      "kavlan-12": "2001:660:4406:78c:2:1::1",
+      "kavlan-13": "2001:660:4406:78d:2:1::1",
+      "kavlan-14": "2001:660:4406:78e:2:1::1",
+      "kavlan-16": "2001:660:4406:790:2:1::1",
+      "kavlan-18": "2001:660:4406:792:2:1::1",
+      "kavlan-2": "2001:660:4406:782:2:1::1",
+      "kavlan-20": "2001:660:4406:794:2:1::1",
+      "kavlan-21": "2001:660:4406:795:2:1::1",
+      "kavlan-3": "2001:660:4406:783:2:1::1",
+      "kavlan-4": "2001:660:4406:784:2:1::1",
+      "kavlan-5": "2001:660:4406:785:2:1::1",
+      "kavlan-6": "2001:660:4406:786:2:1::1",
+      "kavlan-7": "2001:660:4406:787:2:1::1",
+      "kavlan-8": "2001:660:4406:788:2:1::1",
+      "kavlan-9": "2001:660:4406:789:2:1::1"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:2:1::1",
       "kavlan": true,
       "mac": "ec:f4:bb:d0:f9:da",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-10.json b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-10.json
index a68e797182c77f3617b77d406fec76fb22341ebc..f14360f4bbf7b6d28b013998ba56356d31b90aa1 100644
--- a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-10.json
+++ b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-10.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.72.10"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:2::a",
+      "kavlan-11": "2001:660:4406:78b:2::a",
+      "kavlan-12": "2001:660:4406:78c:2::a",
+      "kavlan-13": "2001:660:4406:78d:2::a",
+      "kavlan-14": "2001:660:4406:78e:2::a",
+      "kavlan-16": "2001:660:4406:790:2::a",
+      "kavlan-18": "2001:660:4406:792:2::a",
+      "kavlan-2": "2001:660:4406:782:2::a",
+      "kavlan-20": "2001:660:4406:794:2::a",
+      "kavlan-21": "2001:660:4406:795:2::a",
+      "kavlan-3": "2001:660:4406:783:2::a",
+      "kavlan-4": "2001:660:4406:784:2::a",
+      "kavlan-5": "2001:660:4406:785:2::a",
+      "kavlan-6": "2001:660:4406:786:2::a",
+      "kavlan-7": "2001:660:4406:787:2::a",
+      "kavlan-8": "2001:660:4406:788:2::a",
+      "kavlan-9": "2001:660:4406:789:2::a"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:2:1::a",
+      "kavlan-11": "2001:660:4406:78b:2:1::a",
+      "kavlan-12": "2001:660:4406:78c:2:1::a",
+      "kavlan-13": "2001:660:4406:78d:2:1::a",
+      "kavlan-14": "2001:660:4406:78e:2:1::a",
+      "kavlan-16": "2001:660:4406:790:2:1::a",
+      "kavlan-18": "2001:660:4406:792:2:1::a",
+      "kavlan-2": "2001:660:4406:782:2:1::a",
+      "kavlan-20": "2001:660:4406:794:2:1::a",
+      "kavlan-21": "2001:660:4406:795:2:1::a",
+      "kavlan-3": "2001:660:4406:783:2:1::a",
+      "kavlan-4": "2001:660:4406:784:2:1::a",
+      "kavlan-5": "2001:660:4406:785:2:1::a",
+      "kavlan-6": "2001:660:4406:786:2:1::a",
+      "kavlan-7": "2001:660:4406:787:2:1::a",
+      "kavlan-8": "2001:660:4406:788:2:1::a",
+      "kavlan-9": "2001:660:4406:789:2:1::a"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:2:1::a",
       "kavlan": true,
       "mac": "ec:f4:bb:d0:f7:4a",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-11.json b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-11.json
index c9297dd57ae54cf73fe68c6c941ca9a462bea50c..fbe855466d02dec0de6e7ff9ad469f64271d3e59 100644
--- a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-11.json
+++ b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-11.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.72.11"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:2::b",
+      "kavlan-11": "2001:660:4406:78b:2::b",
+      "kavlan-12": "2001:660:4406:78c:2::b",
+      "kavlan-13": "2001:660:4406:78d:2::b",
+      "kavlan-14": "2001:660:4406:78e:2::b",
+      "kavlan-16": "2001:660:4406:790:2::b",
+      "kavlan-18": "2001:660:4406:792:2::b",
+      "kavlan-2": "2001:660:4406:782:2::b",
+      "kavlan-20": "2001:660:4406:794:2::b",
+      "kavlan-21": "2001:660:4406:795:2::b",
+      "kavlan-3": "2001:660:4406:783:2::b",
+      "kavlan-4": "2001:660:4406:784:2::b",
+      "kavlan-5": "2001:660:4406:785:2::b",
+      "kavlan-6": "2001:660:4406:786:2::b",
+      "kavlan-7": "2001:660:4406:787:2::b",
+      "kavlan-8": "2001:660:4406:788:2::b",
+      "kavlan-9": "2001:660:4406:789:2::b"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:2:1::b",
+      "kavlan-11": "2001:660:4406:78b:2:1::b",
+      "kavlan-12": "2001:660:4406:78c:2:1::b",
+      "kavlan-13": "2001:660:4406:78d:2:1::b",
+      "kavlan-14": "2001:660:4406:78e:2:1::b",
+      "kavlan-16": "2001:660:4406:790:2:1::b",
+      "kavlan-18": "2001:660:4406:792:2:1::b",
+      "kavlan-2": "2001:660:4406:782:2:1::b",
+      "kavlan-20": "2001:660:4406:794:2:1::b",
+      "kavlan-21": "2001:660:4406:795:2:1::b",
+      "kavlan-3": "2001:660:4406:783:2:1::b",
+      "kavlan-4": "2001:660:4406:784:2:1::b",
+      "kavlan-5": "2001:660:4406:785:2:1::b",
+      "kavlan-6": "2001:660:4406:786:2:1::b",
+      "kavlan-7": "2001:660:4406:787:2:1::b",
+      "kavlan-8": "2001:660:4406:788:2:1::b",
+      "kavlan-9": "2001:660:4406:789:2:1::b"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:2:1::b",
       "kavlan": true,
       "mac": "ec:f4:bb:d0:f7:12",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-12.json b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-12.json
index 8c52f6825c2c993febdf627883724c64699384ba..527bb90c67e927becf27e0f7fc5421f2db4b6fb1 100644
--- a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-12.json
+++ b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-12.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.72.12"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:2::c",
+      "kavlan-11": "2001:660:4406:78b:2::c",
+      "kavlan-12": "2001:660:4406:78c:2::c",
+      "kavlan-13": "2001:660:4406:78d:2::c",
+      "kavlan-14": "2001:660:4406:78e:2::c",
+      "kavlan-16": "2001:660:4406:790:2::c",
+      "kavlan-18": "2001:660:4406:792:2::c",
+      "kavlan-2": "2001:660:4406:782:2::c",
+      "kavlan-20": "2001:660:4406:794:2::c",
+      "kavlan-21": "2001:660:4406:795:2::c",
+      "kavlan-3": "2001:660:4406:783:2::c",
+      "kavlan-4": "2001:660:4406:784:2::c",
+      "kavlan-5": "2001:660:4406:785:2::c",
+      "kavlan-6": "2001:660:4406:786:2::c",
+      "kavlan-7": "2001:660:4406:787:2::c",
+      "kavlan-8": "2001:660:4406:788:2::c",
+      "kavlan-9": "2001:660:4406:789:2::c"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:2:1::c",
+      "kavlan-11": "2001:660:4406:78b:2:1::c",
+      "kavlan-12": "2001:660:4406:78c:2:1::c",
+      "kavlan-13": "2001:660:4406:78d:2:1::c",
+      "kavlan-14": "2001:660:4406:78e:2:1::c",
+      "kavlan-16": "2001:660:4406:790:2:1::c",
+      "kavlan-18": "2001:660:4406:792:2:1::c",
+      "kavlan-2": "2001:660:4406:782:2:1::c",
+      "kavlan-20": "2001:660:4406:794:2:1::c",
+      "kavlan-21": "2001:660:4406:795:2:1::c",
+      "kavlan-3": "2001:660:4406:783:2:1::c",
+      "kavlan-4": "2001:660:4406:784:2:1::c",
+      "kavlan-5": "2001:660:4406:785:2:1::c",
+      "kavlan-6": "2001:660:4406:786:2:1::c",
+      "kavlan-7": "2001:660:4406:787:2:1::c",
+      "kavlan-8": "2001:660:4406:788:2:1::c",
+      "kavlan-9": "2001:660:4406:789:2:1::c"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:2:1::c",
       "kavlan": true,
       "mac": "ec:f4:bb:d0:f1:4a",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-13.json b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-13.json
index 6605ff1d53ed3353ff74c7dad481827c7107be44..96b84ea654c44274dda369095988234250da7f8b 100644
--- a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-13.json
+++ b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-13.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.72.13"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:2::d",
+      "kavlan-11": "2001:660:4406:78b:2::d",
+      "kavlan-12": "2001:660:4406:78c:2::d",
+      "kavlan-13": "2001:660:4406:78d:2::d",
+      "kavlan-14": "2001:660:4406:78e:2::d",
+      "kavlan-16": "2001:660:4406:790:2::d",
+      "kavlan-18": "2001:660:4406:792:2::d",
+      "kavlan-2": "2001:660:4406:782:2::d",
+      "kavlan-20": "2001:660:4406:794:2::d",
+      "kavlan-21": "2001:660:4406:795:2::d",
+      "kavlan-3": "2001:660:4406:783:2::d",
+      "kavlan-4": "2001:660:4406:784:2::d",
+      "kavlan-5": "2001:660:4406:785:2::d",
+      "kavlan-6": "2001:660:4406:786:2::d",
+      "kavlan-7": "2001:660:4406:787:2::d",
+      "kavlan-8": "2001:660:4406:788:2::d",
+      "kavlan-9": "2001:660:4406:789:2::d"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:2:1::d",
+      "kavlan-11": "2001:660:4406:78b:2:1::d",
+      "kavlan-12": "2001:660:4406:78c:2:1::d",
+      "kavlan-13": "2001:660:4406:78d:2:1::d",
+      "kavlan-14": "2001:660:4406:78e:2:1::d",
+      "kavlan-16": "2001:660:4406:790:2:1::d",
+      "kavlan-18": "2001:660:4406:792:2:1::d",
+      "kavlan-2": "2001:660:4406:782:2:1::d",
+      "kavlan-20": "2001:660:4406:794:2:1::d",
+      "kavlan-21": "2001:660:4406:795:2:1::d",
+      "kavlan-3": "2001:660:4406:783:2:1::d",
+      "kavlan-4": "2001:660:4406:784:2:1::d",
+      "kavlan-5": "2001:660:4406:785:2:1::d",
+      "kavlan-6": "2001:660:4406:786:2:1::d",
+      "kavlan-7": "2001:660:4406:787:2:1::d",
+      "kavlan-8": "2001:660:4406:788:2:1::d",
+      "kavlan-9": "2001:660:4406:789:2:1::d"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:2:1::d",
       "kavlan": true,
       "mac": "ec:f4:bb:d0:f5:fa",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-14.json b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-14.json
index bd95421660780d039936974f981637cb61ca5c8c..4c44da78eff6de0de4e24c1678464fc65c208188 100644
--- a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-14.json
+++ b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-14.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.72.14"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:2::e",
+      "kavlan-11": "2001:660:4406:78b:2::e",
+      "kavlan-12": "2001:660:4406:78c:2::e",
+      "kavlan-13": "2001:660:4406:78d:2::e",
+      "kavlan-14": "2001:660:4406:78e:2::e",
+      "kavlan-16": "2001:660:4406:790:2::e",
+      "kavlan-18": "2001:660:4406:792:2::e",
+      "kavlan-2": "2001:660:4406:782:2::e",
+      "kavlan-20": "2001:660:4406:794:2::e",
+      "kavlan-21": "2001:660:4406:795:2::e",
+      "kavlan-3": "2001:660:4406:783:2::e",
+      "kavlan-4": "2001:660:4406:784:2::e",
+      "kavlan-5": "2001:660:4406:785:2::e",
+      "kavlan-6": "2001:660:4406:786:2::e",
+      "kavlan-7": "2001:660:4406:787:2::e",
+      "kavlan-8": "2001:660:4406:788:2::e",
+      "kavlan-9": "2001:660:4406:789:2::e"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:2:1::e",
+      "kavlan-11": "2001:660:4406:78b:2:1::e",
+      "kavlan-12": "2001:660:4406:78c:2:1::e",
+      "kavlan-13": "2001:660:4406:78d:2:1::e",
+      "kavlan-14": "2001:660:4406:78e:2:1::e",
+      "kavlan-16": "2001:660:4406:790:2:1::e",
+      "kavlan-18": "2001:660:4406:792:2:1::e",
+      "kavlan-2": "2001:660:4406:782:2:1::e",
+      "kavlan-20": "2001:660:4406:794:2:1::e",
+      "kavlan-21": "2001:660:4406:795:2:1::e",
+      "kavlan-3": "2001:660:4406:783:2:1::e",
+      "kavlan-4": "2001:660:4406:784:2:1::e",
+      "kavlan-5": "2001:660:4406:785:2:1::e",
+      "kavlan-6": "2001:660:4406:786:2:1::e",
+      "kavlan-7": "2001:660:4406:787:2:1::e",
+      "kavlan-8": "2001:660:4406:788:2:1::e",
+      "kavlan-9": "2001:660:4406:789:2:1::e"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:2:1::e",
       "kavlan": true,
       "mac": "ec:f4:bb:d1:05:92",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-15.json b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-15.json
index 2192989608137662aa3087b7bd06f6af39f2d920..4db97abb273bf5754b974034cc42281dbafd050a 100644
--- a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-15.json
+++ b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-15.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.72.15"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:2::f",
+      "kavlan-11": "2001:660:4406:78b:2::f",
+      "kavlan-12": "2001:660:4406:78c:2::f",
+      "kavlan-13": "2001:660:4406:78d:2::f",
+      "kavlan-14": "2001:660:4406:78e:2::f",
+      "kavlan-16": "2001:660:4406:790:2::f",
+      "kavlan-18": "2001:660:4406:792:2::f",
+      "kavlan-2": "2001:660:4406:782:2::f",
+      "kavlan-20": "2001:660:4406:794:2::f",
+      "kavlan-21": "2001:660:4406:795:2::f",
+      "kavlan-3": "2001:660:4406:783:2::f",
+      "kavlan-4": "2001:660:4406:784:2::f",
+      "kavlan-5": "2001:660:4406:785:2::f",
+      "kavlan-6": "2001:660:4406:786:2::f",
+      "kavlan-7": "2001:660:4406:787:2::f",
+      "kavlan-8": "2001:660:4406:788:2::f",
+      "kavlan-9": "2001:660:4406:789:2::f"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:2:1::f",
+      "kavlan-11": "2001:660:4406:78b:2:1::f",
+      "kavlan-12": "2001:660:4406:78c:2:1::f",
+      "kavlan-13": "2001:660:4406:78d:2:1::f",
+      "kavlan-14": "2001:660:4406:78e:2:1::f",
+      "kavlan-16": "2001:660:4406:790:2:1::f",
+      "kavlan-18": "2001:660:4406:792:2:1::f",
+      "kavlan-2": "2001:660:4406:782:2:1::f",
+      "kavlan-20": "2001:660:4406:794:2:1::f",
+      "kavlan-21": "2001:660:4406:795:2:1::f",
+      "kavlan-3": "2001:660:4406:783:2:1::f",
+      "kavlan-4": "2001:660:4406:784:2:1::f",
+      "kavlan-5": "2001:660:4406:785:2:1::f",
+      "kavlan-6": "2001:660:4406:786:2:1::f",
+      "kavlan-7": "2001:660:4406:787:2:1::f",
+      "kavlan-8": "2001:660:4406:788:2:1::f",
+      "kavlan-9": "2001:660:4406:789:2:1::f"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:2:1::f",
       "kavlan": true,
       "mac": "ec:f4:bb:d0:25:92",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-16.json b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-16.json
index 670e34de470c84123edff067b9ba2af30186dabf..8c926258d8ed4c4abd2cce1b6fd781e161004098 100644
--- a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-16.json
+++ b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-16.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.72.16"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:2::10",
+      "kavlan-11": "2001:660:4406:78b:2::10",
+      "kavlan-12": "2001:660:4406:78c:2::10",
+      "kavlan-13": "2001:660:4406:78d:2::10",
+      "kavlan-14": "2001:660:4406:78e:2::10",
+      "kavlan-16": "2001:660:4406:790:2::10",
+      "kavlan-18": "2001:660:4406:792:2::10",
+      "kavlan-2": "2001:660:4406:782:2::10",
+      "kavlan-20": "2001:660:4406:794:2::10",
+      "kavlan-21": "2001:660:4406:795:2::10",
+      "kavlan-3": "2001:660:4406:783:2::10",
+      "kavlan-4": "2001:660:4406:784:2::10",
+      "kavlan-5": "2001:660:4406:785:2::10",
+      "kavlan-6": "2001:660:4406:786:2::10",
+      "kavlan-7": "2001:660:4406:787:2::10",
+      "kavlan-8": "2001:660:4406:788:2::10",
+      "kavlan-9": "2001:660:4406:789:2::10"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:2:1::10",
+      "kavlan-11": "2001:660:4406:78b:2:1::10",
+      "kavlan-12": "2001:660:4406:78c:2:1::10",
+      "kavlan-13": "2001:660:4406:78d:2:1::10",
+      "kavlan-14": "2001:660:4406:78e:2:1::10",
+      "kavlan-16": "2001:660:4406:790:2:1::10",
+      "kavlan-18": "2001:660:4406:792:2:1::10",
+      "kavlan-2": "2001:660:4406:782:2:1::10",
+      "kavlan-20": "2001:660:4406:794:2:1::10",
+      "kavlan-21": "2001:660:4406:795:2:1::10",
+      "kavlan-3": "2001:660:4406:783:2:1::10",
+      "kavlan-4": "2001:660:4406:784:2:1::10",
+      "kavlan-5": "2001:660:4406:785:2:1::10",
+      "kavlan-6": "2001:660:4406:786:2:1::10",
+      "kavlan-7": "2001:660:4406:787:2:1::10",
+      "kavlan-8": "2001:660:4406:788:2:1::10",
+      "kavlan-9": "2001:660:4406:789:2:1::10"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:2:1::10",
       "kavlan": true,
       "mac": "ec:f4:bb:d6:10:3a",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-17.json b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-17.json
index 44e4d1f488d3d5025d7ce682e7f1dc2e43115e6c..6d41abdafc9824f4f63c1a29429b36babd9eaa65 100644
--- a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-17.json
+++ b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-17.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.72.17"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:2::11",
+      "kavlan-11": "2001:660:4406:78b:2::11",
+      "kavlan-12": "2001:660:4406:78c:2::11",
+      "kavlan-13": "2001:660:4406:78d:2::11",
+      "kavlan-14": "2001:660:4406:78e:2::11",
+      "kavlan-16": "2001:660:4406:790:2::11",
+      "kavlan-18": "2001:660:4406:792:2::11",
+      "kavlan-2": "2001:660:4406:782:2::11",
+      "kavlan-20": "2001:660:4406:794:2::11",
+      "kavlan-21": "2001:660:4406:795:2::11",
+      "kavlan-3": "2001:660:4406:783:2::11",
+      "kavlan-4": "2001:660:4406:784:2::11",
+      "kavlan-5": "2001:660:4406:785:2::11",
+      "kavlan-6": "2001:660:4406:786:2::11",
+      "kavlan-7": "2001:660:4406:787:2::11",
+      "kavlan-8": "2001:660:4406:788:2::11",
+      "kavlan-9": "2001:660:4406:789:2::11"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:2:1::11",
+      "kavlan-11": "2001:660:4406:78b:2:1::11",
+      "kavlan-12": "2001:660:4406:78c:2:1::11",
+      "kavlan-13": "2001:660:4406:78d:2:1::11",
+      "kavlan-14": "2001:660:4406:78e:2:1::11",
+      "kavlan-16": "2001:660:4406:790:2:1::11",
+      "kavlan-18": "2001:660:4406:792:2:1::11",
+      "kavlan-2": "2001:660:4406:782:2:1::11",
+      "kavlan-20": "2001:660:4406:794:2:1::11",
+      "kavlan-21": "2001:660:4406:795:2:1::11",
+      "kavlan-3": "2001:660:4406:783:2:1::11",
+      "kavlan-4": "2001:660:4406:784:2:1::11",
+      "kavlan-5": "2001:660:4406:785:2:1::11",
+      "kavlan-6": "2001:660:4406:786:2:1::11",
+      "kavlan-7": "2001:660:4406:787:2:1::11",
+      "kavlan-8": "2001:660:4406:788:2:1::11",
+      "kavlan-9": "2001:660:4406:789:2:1::11"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:2:1::11",
       "kavlan": true,
       "mac": "ec:f4:bb:d1:01:ba",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-18.json b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-18.json
index ced4e0f426adb4c82bf203e249b1bab9bbe507f4..317a044e997f8e94aa44f8ad136c2c1ecae94045 100644
--- a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-18.json
+++ b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-18.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.72.18"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:2::12",
+      "kavlan-11": "2001:660:4406:78b:2::12",
+      "kavlan-12": "2001:660:4406:78c:2::12",
+      "kavlan-13": "2001:660:4406:78d:2::12",
+      "kavlan-14": "2001:660:4406:78e:2::12",
+      "kavlan-16": "2001:660:4406:790:2::12",
+      "kavlan-18": "2001:660:4406:792:2::12",
+      "kavlan-2": "2001:660:4406:782:2::12",
+      "kavlan-20": "2001:660:4406:794:2::12",
+      "kavlan-21": "2001:660:4406:795:2::12",
+      "kavlan-3": "2001:660:4406:783:2::12",
+      "kavlan-4": "2001:660:4406:784:2::12",
+      "kavlan-5": "2001:660:4406:785:2::12",
+      "kavlan-6": "2001:660:4406:786:2::12",
+      "kavlan-7": "2001:660:4406:787:2::12",
+      "kavlan-8": "2001:660:4406:788:2::12",
+      "kavlan-9": "2001:660:4406:789:2::12"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:2:1::12",
+      "kavlan-11": "2001:660:4406:78b:2:1::12",
+      "kavlan-12": "2001:660:4406:78c:2:1::12",
+      "kavlan-13": "2001:660:4406:78d:2:1::12",
+      "kavlan-14": "2001:660:4406:78e:2:1::12",
+      "kavlan-16": "2001:660:4406:790:2:1::12",
+      "kavlan-18": "2001:660:4406:792:2:1::12",
+      "kavlan-2": "2001:660:4406:782:2:1::12",
+      "kavlan-20": "2001:660:4406:794:2:1::12",
+      "kavlan-21": "2001:660:4406:795:2:1::12",
+      "kavlan-3": "2001:660:4406:783:2:1::12",
+      "kavlan-4": "2001:660:4406:784:2:1::12",
+      "kavlan-5": "2001:660:4406:785:2:1::12",
+      "kavlan-6": "2001:660:4406:786:2:1::12",
+      "kavlan-7": "2001:660:4406:787:2:1::12",
+      "kavlan-8": "2001:660:4406:788:2:1::12",
+      "kavlan-9": "2001:660:4406:789:2:1::12"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:2:1::12",
       "kavlan": true,
       "mac": "ec:f4:bb:d1:11:ca",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-19.json b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-19.json
index 55fe550f8f21c9c71ccffce031934f21e7a79ece..40a5558ed29c43d1ab7c3a09f81f8dc3e165b9cf 100644
--- a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-19.json
+++ b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-19.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.72.19"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:2::13",
+      "kavlan-11": "2001:660:4406:78b:2::13",
+      "kavlan-12": "2001:660:4406:78c:2::13",
+      "kavlan-13": "2001:660:4406:78d:2::13",
+      "kavlan-14": "2001:660:4406:78e:2::13",
+      "kavlan-16": "2001:660:4406:790:2::13",
+      "kavlan-18": "2001:660:4406:792:2::13",
+      "kavlan-2": "2001:660:4406:782:2::13",
+      "kavlan-20": "2001:660:4406:794:2::13",
+      "kavlan-21": "2001:660:4406:795:2::13",
+      "kavlan-3": "2001:660:4406:783:2::13",
+      "kavlan-4": "2001:660:4406:784:2::13",
+      "kavlan-5": "2001:660:4406:785:2::13",
+      "kavlan-6": "2001:660:4406:786:2::13",
+      "kavlan-7": "2001:660:4406:787:2::13",
+      "kavlan-8": "2001:660:4406:788:2::13",
+      "kavlan-9": "2001:660:4406:789:2::13"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:2:1::13",
+      "kavlan-11": "2001:660:4406:78b:2:1::13",
+      "kavlan-12": "2001:660:4406:78c:2:1::13",
+      "kavlan-13": "2001:660:4406:78d:2:1::13",
+      "kavlan-14": "2001:660:4406:78e:2:1::13",
+      "kavlan-16": "2001:660:4406:790:2:1::13",
+      "kavlan-18": "2001:660:4406:792:2:1::13",
+      "kavlan-2": "2001:660:4406:782:2:1::13",
+      "kavlan-20": "2001:660:4406:794:2:1::13",
+      "kavlan-21": "2001:660:4406:795:2:1::13",
+      "kavlan-3": "2001:660:4406:783:2:1::13",
+      "kavlan-4": "2001:660:4406:784:2:1::13",
+      "kavlan-5": "2001:660:4406:785:2:1::13",
+      "kavlan-6": "2001:660:4406:786:2:1::13",
+      "kavlan-7": "2001:660:4406:787:2:1::13",
+      "kavlan-8": "2001:660:4406:788:2:1::13",
+      "kavlan-9": "2001:660:4406:789:2:1::13"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:2:1::13",
       "kavlan": true,
       "mac": "ec:f4:bb:d1:24:8a",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-2.json b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-2.json
index 654fe4257af29695f5e99201583e6dcf222cf442..00a4ef7aed020958c18dd738ea0fa9d896d86337 100644
--- a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-2.json
+++ b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-2.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.72.2"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:2::2",
+      "kavlan-11": "2001:660:4406:78b:2::2",
+      "kavlan-12": "2001:660:4406:78c:2::2",
+      "kavlan-13": "2001:660:4406:78d:2::2",
+      "kavlan-14": "2001:660:4406:78e:2::2",
+      "kavlan-16": "2001:660:4406:790:2::2",
+      "kavlan-18": "2001:660:4406:792:2::2",
+      "kavlan-2": "2001:660:4406:782:2::2",
+      "kavlan-20": "2001:660:4406:794:2::2",
+      "kavlan-21": "2001:660:4406:795:2::2",
+      "kavlan-3": "2001:660:4406:783:2::2",
+      "kavlan-4": "2001:660:4406:784:2::2",
+      "kavlan-5": "2001:660:4406:785:2::2",
+      "kavlan-6": "2001:660:4406:786:2::2",
+      "kavlan-7": "2001:660:4406:787:2::2",
+      "kavlan-8": "2001:660:4406:788:2::2",
+      "kavlan-9": "2001:660:4406:789:2::2"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:2:1::2",
+      "kavlan-11": "2001:660:4406:78b:2:1::2",
+      "kavlan-12": "2001:660:4406:78c:2:1::2",
+      "kavlan-13": "2001:660:4406:78d:2:1::2",
+      "kavlan-14": "2001:660:4406:78e:2:1::2",
+      "kavlan-16": "2001:660:4406:790:2:1::2",
+      "kavlan-18": "2001:660:4406:792:2:1::2",
+      "kavlan-2": "2001:660:4406:782:2:1::2",
+      "kavlan-20": "2001:660:4406:794:2:1::2",
+      "kavlan-21": "2001:660:4406:795:2:1::2",
+      "kavlan-3": "2001:660:4406:783:2:1::2",
+      "kavlan-4": "2001:660:4406:784:2:1::2",
+      "kavlan-5": "2001:660:4406:785:2:1::2",
+      "kavlan-6": "2001:660:4406:786:2:1::2",
+      "kavlan-7": "2001:660:4406:787:2:1::2",
+      "kavlan-8": "2001:660:4406:788:2:1::2",
+      "kavlan-9": "2001:660:4406:789:2:1::2"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:2:1::2",
       "kavlan": true,
       "mac": "ec:f4:bb:d0:f8:52",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-20.json b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-20.json
index 983902fc10fe934b0eb2c816ebf0da81f15bca76..121ffb4698160ce695a6dc7dc9fd8f0e38bde494 100644
--- a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-20.json
+++ b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-20.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.72.20"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:2::14",
+      "kavlan-11": "2001:660:4406:78b:2::14",
+      "kavlan-12": "2001:660:4406:78c:2::14",
+      "kavlan-13": "2001:660:4406:78d:2::14",
+      "kavlan-14": "2001:660:4406:78e:2::14",
+      "kavlan-16": "2001:660:4406:790:2::14",
+      "kavlan-18": "2001:660:4406:792:2::14",
+      "kavlan-2": "2001:660:4406:782:2::14",
+      "kavlan-20": "2001:660:4406:794:2::14",
+      "kavlan-21": "2001:660:4406:795:2::14",
+      "kavlan-3": "2001:660:4406:783:2::14",
+      "kavlan-4": "2001:660:4406:784:2::14",
+      "kavlan-5": "2001:660:4406:785:2::14",
+      "kavlan-6": "2001:660:4406:786:2::14",
+      "kavlan-7": "2001:660:4406:787:2::14",
+      "kavlan-8": "2001:660:4406:788:2::14",
+      "kavlan-9": "2001:660:4406:789:2::14"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:2:1::14",
+      "kavlan-11": "2001:660:4406:78b:2:1::14",
+      "kavlan-12": "2001:660:4406:78c:2:1::14",
+      "kavlan-13": "2001:660:4406:78d:2:1::14",
+      "kavlan-14": "2001:660:4406:78e:2:1::14",
+      "kavlan-16": "2001:660:4406:790:2:1::14",
+      "kavlan-18": "2001:660:4406:792:2:1::14",
+      "kavlan-2": "2001:660:4406:782:2:1::14",
+      "kavlan-20": "2001:660:4406:794:2:1::14",
+      "kavlan-21": "2001:660:4406:795:2:1::14",
+      "kavlan-3": "2001:660:4406:783:2:1::14",
+      "kavlan-4": "2001:660:4406:784:2:1::14",
+      "kavlan-5": "2001:660:4406:785:2:1::14",
+      "kavlan-6": "2001:660:4406:786:2:1::14",
+      "kavlan-7": "2001:660:4406:787:2:1::14",
+      "kavlan-8": "2001:660:4406:788:2:1::14",
+      "kavlan-9": "2001:660:4406:789:2:1::14"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:2:1::14",
       "kavlan": true,
       "mac": "ec:f4:bb:d0:fd:32",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-21.json b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-21.json
index cbe915065f64cfa7e8e132f17e5d1509f0acae6d..e480dd1008f49612f02ea25861aab9c4b69fe027 100644
--- a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-21.json
+++ b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-21.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.72.21"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:2::15",
+      "kavlan-11": "2001:660:4406:78b:2::15",
+      "kavlan-12": "2001:660:4406:78c:2::15",
+      "kavlan-13": "2001:660:4406:78d:2::15",
+      "kavlan-14": "2001:660:4406:78e:2::15",
+      "kavlan-16": "2001:660:4406:790:2::15",
+      "kavlan-18": "2001:660:4406:792:2::15",
+      "kavlan-2": "2001:660:4406:782:2::15",
+      "kavlan-20": "2001:660:4406:794:2::15",
+      "kavlan-21": "2001:660:4406:795:2::15",
+      "kavlan-3": "2001:660:4406:783:2::15",
+      "kavlan-4": "2001:660:4406:784:2::15",
+      "kavlan-5": "2001:660:4406:785:2::15",
+      "kavlan-6": "2001:660:4406:786:2::15",
+      "kavlan-7": "2001:660:4406:787:2::15",
+      "kavlan-8": "2001:660:4406:788:2::15",
+      "kavlan-9": "2001:660:4406:789:2::15"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:2:1::15",
+      "kavlan-11": "2001:660:4406:78b:2:1::15",
+      "kavlan-12": "2001:660:4406:78c:2:1::15",
+      "kavlan-13": "2001:660:4406:78d:2:1::15",
+      "kavlan-14": "2001:660:4406:78e:2:1::15",
+      "kavlan-16": "2001:660:4406:790:2:1::15",
+      "kavlan-18": "2001:660:4406:792:2:1::15",
+      "kavlan-2": "2001:660:4406:782:2:1::15",
+      "kavlan-20": "2001:660:4406:794:2:1::15",
+      "kavlan-21": "2001:660:4406:795:2:1::15",
+      "kavlan-3": "2001:660:4406:783:2:1::15",
+      "kavlan-4": "2001:660:4406:784:2:1::15",
+      "kavlan-5": "2001:660:4406:785:2:1::15",
+      "kavlan-6": "2001:660:4406:786:2:1::15",
+      "kavlan-7": "2001:660:4406:787:2:1::15",
+      "kavlan-8": "2001:660:4406:788:2:1::15",
+      "kavlan-9": "2001:660:4406:789:2:1::15"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:2:1::15",
       "kavlan": true,
       "mac": "ec:f4:bb:d0:ff:fa",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-22.json b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-22.json
index 0e110fdc4d61361b741d872c3f60c1d6ffa83e7d..a8c4cb589035f5af5de2d8f2b5bb63b077c251be 100644
--- a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-22.json
+++ b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-22.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.72.22"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:2::16",
+      "kavlan-11": "2001:660:4406:78b:2::16",
+      "kavlan-12": "2001:660:4406:78c:2::16",
+      "kavlan-13": "2001:660:4406:78d:2::16",
+      "kavlan-14": "2001:660:4406:78e:2::16",
+      "kavlan-16": "2001:660:4406:790:2::16",
+      "kavlan-18": "2001:660:4406:792:2::16",
+      "kavlan-2": "2001:660:4406:782:2::16",
+      "kavlan-20": "2001:660:4406:794:2::16",
+      "kavlan-21": "2001:660:4406:795:2::16",
+      "kavlan-3": "2001:660:4406:783:2::16",
+      "kavlan-4": "2001:660:4406:784:2::16",
+      "kavlan-5": "2001:660:4406:785:2::16",
+      "kavlan-6": "2001:660:4406:786:2::16",
+      "kavlan-7": "2001:660:4406:787:2::16",
+      "kavlan-8": "2001:660:4406:788:2::16",
+      "kavlan-9": "2001:660:4406:789:2::16"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:2:1::16",
+      "kavlan-11": "2001:660:4406:78b:2:1::16",
+      "kavlan-12": "2001:660:4406:78c:2:1::16",
+      "kavlan-13": "2001:660:4406:78d:2:1::16",
+      "kavlan-14": "2001:660:4406:78e:2:1::16",
+      "kavlan-16": "2001:660:4406:790:2:1::16",
+      "kavlan-18": "2001:660:4406:792:2:1::16",
+      "kavlan-2": "2001:660:4406:782:2:1::16",
+      "kavlan-20": "2001:660:4406:794:2:1::16",
+      "kavlan-21": "2001:660:4406:795:2:1::16",
+      "kavlan-3": "2001:660:4406:783:2:1::16",
+      "kavlan-4": "2001:660:4406:784:2:1::16",
+      "kavlan-5": "2001:660:4406:785:2:1::16",
+      "kavlan-6": "2001:660:4406:786:2:1::16",
+      "kavlan-7": "2001:660:4406:787:2:1::16",
+      "kavlan-8": "2001:660:4406:788:2:1::16",
+      "kavlan-9": "2001:660:4406:789:2:1::16"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:2:1::16",
       "kavlan": true,
       "mac": "ec:f4:bb:d1:00:62",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-23.json b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-23.json
index 32f3b207ce2fe1f25f965d54c2547e3086253b64..08c983aa079a3d06198a2c5a8c3ab9fb8706c5d2 100644
--- a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-23.json
+++ b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-23.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.72.23"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:2::17",
+      "kavlan-11": "2001:660:4406:78b:2::17",
+      "kavlan-12": "2001:660:4406:78c:2::17",
+      "kavlan-13": "2001:660:4406:78d:2::17",
+      "kavlan-14": "2001:660:4406:78e:2::17",
+      "kavlan-16": "2001:660:4406:790:2::17",
+      "kavlan-18": "2001:660:4406:792:2::17",
+      "kavlan-2": "2001:660:4406:782:2::17",
+      "kavlan-20": "2001:660:4406:794:2::17",
+      "kavlan-21": "2001:660:4406:795:2::17",
+      "kavlan-3": "2001:660:4406:783:2::17",
+      "kavlan-4": "2001:660:4406:784:2::17",
+      "kavlan-5": "2001:660:4406:785:2::17",
+      "kavlan-6": "2001:660:4406:786:2::17",
+      "kavlan-7": "2001:660:4406:787:2::17",
+      "kavlan-8": "2001:660:4406:788:2::17",
+      "kavlan-9": "2001:660:4406:789:2::17"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:2:1::17",
+      "kavlan-11": "2001:660:4406:78b:2:1::17",
+      "kavlan-12": "2001:660:4406:78c:2:1::17",
+      "kavlan-13": "2001:660:4406:78d:2:1::17",
+      "kavlan-14": "2001:660:4406:78e:2:1::17",
+      "kavlan-16": "2001:660:4406:790:2:1::17",
+      "kavlan-18": "2001:660:4406:792:2:1::17",
+      "kavlan-2": "2001:660:4406:782:2:1::17",
+      "kavlan-20": "2001:660:4406:794:2:1::17",
+      "kavlan-21": "2001:660:4406:795:2:1::17",
+      "kavlan-3": "2001:660:4406:783:2:1::17",
+      "kavlan-4": "2001:660:4406:784:2:1::17",
+      "kavlan-5": "2001:660:4406:785:2:1::17",
+      "kavlan-6": "2001:660:4406:786:2:1::17",
+      "kavlan-7": "2001:660:4406:787:2:1::17",
+      "kavlan-8": "2001:660:4406:788:2:1::17",
+      "kavlan-9": "2001:660:4406:789:2:1::17"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:2:1::17",
       "kavlan": true,
       "mac": "ec:f4:bb:d1:0e:62",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-24.json b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-24.json
index 8e3931a2af0dd1242bbf0fa2cc7292f0072270fb..a32a1acf5bed6f918fe0c75c1dfa25a0322b5bd0 100644
--- a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-24.json
+++ b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-24.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.72.24"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:2::18",
+      "kavlan-11": "2001:660:4406:78b:2::18",
+      "kavlan-12": "2001:660:4406:78c:2::18",
+      "kavlan-13": "2001:660:4406:78d:2::18",
+      "kavlan-14": "2001:660:4406:78e:2::18",
+      "kavlan-16": "2001:660:4406:790:2::18",
+      "kavlan-18": "2001:660:4406:792:2::18",
+      "kavlan-2": "2001:660:4406:782:2::18",
+      "kavlan-20": "2001:660:4406:794:2::18",
+      "kavlan-21": "2001:660:4406:795:2::18",
+      "kavlan-3": "2001:660:4406:783:2::18",
+      "kavlan-4": "2001:660:4406:784:2::18",
+      "kavlan-5": "2001:660:4406:785:2::18",
+      "kavlan-6": "2001:660:4406:786:2::18",
+      "kavlan-7": "2001:660:4406:787:2::18",
+      "kavlan-8": "2001:660:4406:788:2::18",
+      "kavlan-9": "2001:660:4406:789:2::18"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:2:1::18",
+      "kavlan-11": "2001:660:4406:78b:2:1::18",
+      "kavlan-12": "2001:660:4406:78c:2:1::18",
+      "kavlan-13": "2001:660:4406:78d:2:1::18",
+      "kavlan-14": "2001:660:4406:78e:2:1::18",
+      "kavlan-16": "2001:660:4406:790:2:1::18",
+      "kavlan-18": "2001:660:4406:792:2:1::18",
+      "kavlan-2": "2001:660:4406:782:2:1::18",
+      "kavlan-20": "2001:660:4406:794:2:1::18",
+      "kavlan-21": "2001:660:4406:795:2:1::18",
+      "kavlan-3": "2001:660:4406:783:2:1::18",
+      "kavlan-4": "2001:660:4406:784:2:1::18",
+      "kavlan-5": "2001:660:4406:785:2:1::18",
+      "kavlan-6": "2001:660:4406:786:2:1::18",
+      "kavlan-7": "2001:660:4406:787:2:1::18",
+      "kavlan-8": "2001:660:4406:788:2:1::18",
+      "kavlan-9": "2001:660:4406:789:2:1::18"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:2:1::18",
       "kavlan": true,
       "mac": "ec:f4:bb:d1:10:1a",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-25.json b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-25.json
index 3e00b7b552533adb6aa9a953f6753b38a0e6c073..ad9ebf08ce9fd0bcfa333f79da7c3f6d266a6384 100644
--- a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-25.json
+++ b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-25.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.72.25"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:2::19",
+      "kavlan-11": "2001:660:4406:78b:2::19",
+      "kavlan-12": "2001:660:4406:78c:2::19",
+      "kavlan-13": "2001:660:4406:78d:2::19",
+      "kavlan-14": "2001:660:4406:78e:2::19",
+      "kavlan-16": "2001:660:4406:790:2::19",
+      "kavlan-18": "2001:660:4406:792:2::19",
+      "kavlan-2": "2001:660:4406:782:2::19",
+      "kavlan-20": "2001:660:4406:794:2::19",
+      "kavlan-21": "2001:660:4406:795:2::19",
+      "kavlan-3": "2001:660:4406:783:2::19",
+      "kavlan-4": "2001:660:4406:784:2::19",
+      "kavlan-5": "2001:660:4406:785:2::19",
+      "kavlan-6": "2001:660:4406:786:2::19",
+      "kavlan-7": "2001:660:4406:787:2::19",
+      "kavlan-8": "2001:660:4406:788:2::19",
+      "kavlan-9": "2001:660:4406:789:2::19"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:2:1::19",
+      "kavlan-11": "2001:660:4406:78b:2:1::19",
+      "kavlan-12": "2001:660:4406:78c:2:1::19",
+      "kavlan-13": "2001:660:4406:78d:2:1::19",
+      "kavlan-14": "2001:660:4406:78e:2:1::19",
+      "kavlan-16": "2001:660:4406:790:2:1::19",
+      "kavlan-18": "2001:660:4406:792:2:1::19",
+      "kavlan-2": "2001:660:4406:782:2:1::19",
+      "kavlan-20": "2001:660:4406:794:2:1::19",
+      "kavlan-21": "2001:660:4406:795:2:1::19",
+      "kavlan-3": "2001:660:4406:783:2:1::19",
+      "kavlan-4": "2001:660:4406:784:2:1::19",
+      "kavlan-5": "2001:660:4406:785:2:1::19",
+      "kavlan-6": "2001:660:4406:786:2:1::19",
+      "kavlan-7": "2001:660:4406:787:2:1::19",
+      "kavlan-8": "2001:660:4406:788:2:1::19",
+      "kavlan-9": "2001:660:4406:789:2:1::19"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:2:1::19",
       "kavlan": true,
       "mac": "ec:f4:bb:d1:0d:da",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-26.json b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-26.json
index e52a24b12eed74c131c745875ee26af404c8ee61..7f85b2e3bcf93bdfa314f011fe048b558c74a610 100644
--- a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-26.json
+++ b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-26.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.72.26"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:2::1a",
+      "kavlan-11": "2001:660:4406:78b:2::1a",
+      "kavlan-12": "2001:660:4406:78c:2::1a",
+      "kavlan-13": "2001:660:4406:78d:2::1a",
+      "kavlan-14": "2001:660:4406:78e:2::1a",
+      "kavlan-16": "2001:660:4406:790:2::1a",
+      "kavlan-18": "2001:660:4406:792:2::1a",
+      "kavlan-2": "2001:660:4406:782:2::1a",
+      "kavlan-20": "2001:660:4406:794:2::1a",
+      "kavlan-21": "2001:660:4406:795:2::1a",
+      "kavlan-3": "2001:660:4406:783:2::1a",
+      "kavlan-4": "2001:660:4406:784:2::1a",
+      "kavlan-5": "2001:660:4406:785:2::1a",
+      "kavlan-6": "2001:660:4406:786:2::1a",
+      "kavlan-7": "2001:660:4406:787:2::1a",
+      "kavlan-8": "2001:660:4406:788:2::1a",
+      "kavlan-9": "2001:660:4406:789:2::1a"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:2:1::1a",
+      "kavlan-11": "2001:660:4406:78b:2:1::1a",
+      "kavlan-12": "2001:660:4406:78c:2:1::1a",
+      "kavlan-13": "2001:660:4406:78d:2:1::1a",
+      "kavlan-14": "2001:660:4406:78e:2:1::1a",
+      "kavlan-16": "2001:660:4406:790:2:1::1a",
+      "kavlan-18": "2001:660:4406:792:2:1::1a",
+      "kavlan-2": "2001:660:4406:782:2:1::1a",
+      "kavlan-20": "2001:660:4406:794:2:1::1a",
+      "kavlan-21": "2001:660:4406:795:2:1::1a",
+      "kavlan-3": "2001:660:4406:783:2:1::1a",
+      "kavlan-4": "2001:660:4406:784:2:1::1a",
+      "kavlan-5": "2001:660:4406:785:2:1::1a",
+      "kavlan-6": "2001:660:4406:786:2:1::1a",
+      "kavlan-7": "2001:660:4406:787:2:1::1a",
+      "kavlan-8": "2001:660:4406:788:2:1::1a",
+      "kavlan-9": "2001:660:4406:789:2:1::1a"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:2:1::1a",
       "kavlan": true,
       "mac": "ec:f4:bb:d1:26:0a",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-27.json b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-27.json
index 5aa3a8a931c2a547a14edb8cfd10c93d7112cd61..4585f2fcafe2fc49895c224e0bf730e78438e6da 100644
--- a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-27.json
+++ b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-27.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.72.27"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:2::1b",
+      "kavlan-11": "2001:660:4406:78b:2::1b",
+      "kavlan-12": "2001:660:4406:78c:2::1b",
+      "kavlan-13": "2001:660:4406:78d:2::1b",
+      "kavlan-14": "2001:660:4406:78e:2::1b",
+      "kavlan-16": "2001:660:4406:790:2::1b",
+      "kavlan-18": "2001:660:4406:792:2::1b",
+      "kavlan-2": "2001:660:4406:782:2::1b",
+      "kavlan-20": "2001:660:4406:794:2::1b",
+      "kavlan-21": "2001:660:4406:795:2::1b",
+      "kavlan-3": "2001:660:4406:783:2::1b",
+      "kavlan-4": "2001:660:4406:784:2::1b",
+      "kavlan-5": "2001:660:4406:785:2::1b",
+      "kavlan-6": "2001:660:4406:786:2::1b",
+      "kavlan-7": "2001:660:4406:787:2::1b",
+      "kavlan-8": "2001:660:4406:788:2::1b",
+      "kavlan-9": "2001:660:4406:789:2::1b"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:2:1::1b",
+      "kavlan-11": "2001:660:4406:78b:2:1::1b",
+      "kavlan-12": "2001:660:4406:78c:2:1::1b",
+      "kavlan-13": "2001:660:4406:78d:2:1::1b",
+      "kavlan-14": "2001:660:4406:78e:2:1::1b",
+      "kavlan-16": "2001:660:4406:790:2:1::1b",
+      "kavlan-18": "2001:660:4406:792:2:1::1b",
+      "kavlan-2": "2001:660:4406:782:2:1::1b",
+      "kavlan-20": "2001:660:4406:794:2:1::1b",
+      "kavlan-21": "2001:660:4406:795:2:1::1b",
+      "kavlan-3": "2001:660:4406:783:2:1::1b",
+      "kavlan-4": "2001:660:4406:784:2:1::1b",
+      "kavlan-5": "2001:660:4406:785:2:1::1b",
+      "kavlan-6": "2001:660:4406:786:2:1::1b",
+      "kavlan-7": "2001:660:4406:787:2:1::1b",
+      "kavlan-8": "2001:660:4406:788:2:1::1b",
+      "kavlan-9": "2001:660:4406:789:2:1::1b"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:2:1::1b",
       "kavlan": true,
       "mac": "ec:f4:bb:d0:fb:ea",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-28.json b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-28.json
index da9a6d653e1a6521016ae1fe4dd301ec35a9519f..dc738ec07c24b0f45a71a017656ea0918e7d6079 100644
--- a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-28.json
+++ b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-28.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.72.28"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:2::1c",
+      "kavlan-11": "2001:660:4406:78b:2::1c",
+      "kavlan-12": "2001:660:4406:78c:2::1c",
+      "kavlan-13": "2001:660:4406:78d:2::1c",
+      "kavlan-14": "2001:660:4406:78e:2::1c",
+      "kavlan-16": "2001:660:4406:790:2::1c",
+      "kavlan-18": "2001:660:4406:792:2::1c",
+      "kavlan-2": "2001:660:4406:782:2::1c",
+      "kavlan-20": "2001:660:4406:794:2::1c",
+      "kavlan-21": "2001:660:4406:795:2::1c",
+      "kavlan-3": "2001:660:4406:783:2::1c",
+      "kavlan-4": "2001:660:4406:784:2::1c",
+      "kavlan-5": "2001:660:4406:785:2::1c",
+      "kavlan-6": "2001:660:4406:786:2::1c",
+      "kavlan-7": "2001:660:4406:787:2::1c",
+      "kavlan-8": "2001:660:4406:788:2::1c",
+      "kavlan-9": "2001:660:4406:789:2::1c"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:2:1::1c",
+      "kavlan-11": "2001:660:4406:78b:2:1::1c",
+      "kavlan-12": "2001:660:4406:78c:2:1::1c",
+      "kavlan-13": "2001:660:4406:78d:2:1::1c",
+      "kavlan-14": "2001:660:4406:78e:2:1::1c",
+      "kavlan-16": "2001:660:4406:790:2:1::1c",
+      "kavlan-18": "2001:660:4406:792:2:1::1c",
+      "kavlan-2": "2001:660:4406:782:2:1::1c",
+      "kavlan-20": "2001:660:4406:794:2:1::1c",
+      "kavlan-21": "2001:660:4406:795:2:1::1c",
+      "kavlan-3": "2001:660:4406:783:2:1::1c",
+      "kavlan-4": "2001:660:4406:784:2:1::1c",
+      "kavlan-5": "2001:660:4406:785:2:1::1c",
+      "kavlan-6": "2001:660:4406:786:2:1::1c",
+      "kavlan-7": "2001:660:4406:787:2:1::1c",
+      "kavlan-8": "2001:660:4406:788:2:1::1c",
+      "kavlan-9": "2001:660:4406:789:2:1::1c"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:2:1::1c",
       "kavlan": true,
       "mac": "ec:f4:bb:d1:04:3a",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-3.json b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-3.json
index d7f7395a2d51085b051bde5166fd1d76b6ba3659..b6dd7fa15406d5ad14a38c25039a98f67c57e064 100644
--- a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-3.json
+++ b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-3.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.72.3"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:2::3",
+      "kavlan-11": "2001:660:4406:78b:2::3",
+      "kavlan-12": "2001:660:4406:78c:2::3",
+      "kavlan-13": "2001:660:4406:78d:2::3",
+      "kavlan-14": "2001:660:4406:78e:2::3",
+      "kavlan-16": "2001:660:4406:790:2::3",
+      "kavlan-18": "2001:660:4406:792:2::3",
+      "kavlan-2": "2001:660:4406:782:2::3",
+      "kavlan-20": "2001:660:4406:794:2::3",
+      "kavlan-21": "2001:660:4406:795:2::3",
+      "kavlan-3": "2001:660:4406:783:2::3",
+      "kavlan-4": "2001:660:4406:784:2::3",
+      "kavlan-5": "2001:660:4406:785:2::3",
+      "kavlan-6": "2001:660:4406:786:2::3",
+      "kavlan-7": "2001:660:4406:787:2::3",
+      "kavlan-8": "2001:660:4406:788:2::3",
+      "kavlan-9": "2001:660:4406:789:2::3"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:2:1::3",
+      "kavlan-11": "2001:660:4406:78b:2:1::3",
+      "kavlan-12": "2001:660:4406:78c:2:1::3",
+      "kavlan-13": "2001:660:4406:78d:2:1::3",
+      "kavlan-14": "2001:660:4406:78e:2:1::3",
+      "kavlan-16": "2001:660:4406:790:2:1::3",
+      "kavlan-18": "2001:660:4406:792:2:1::3",
+      "kavlan-2": "2001:660:4406:782:2:1::3",
+      "kavlan-20": "2001:660:4406:794:2:1::3",
+      "kavlan-21": "2001:660:4406:795:2:1::3",
+      "kavlan-3": "2001:660:4406:783:2:1::3",
+      "kavlan-4": "2001:660:4406:784:2:1::3",
+      "kavlan-5": "2001:660:4406:785:2:1::3",
+      "kavlan-6": "2001:660:4406:786:2:1::3",
+      "kavlan-7": "2001:660:4406:787:2:1::3",
+      "kavlan-8": "2001:660:4406:788:2:1::3",
+      "kavlan-9": "2001:660:4406:789:2:1::3"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:2:1::3",
       "kavlan": true,
       "mac": "ec:f4:bb:d0:f3:1a",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-4.json b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-4.json
index baaca5b84ae7b4f35cd3e7a675b4a4721df800a7..89d4629dd06f131fb4e920fff8f00304d821f215 100644
--- a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-4.json
+++ b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-4.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.72.4"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:2::4",
+      "kavlan-11": "2001:660:4406:78b:2::4",
+      "kavlan-12": "2001:660:4406:78c:2::4",
+      "kavlan-13": "2001:660:4406:78d:2::4",
+      "kavlan-14": "2001:660:4406:78e:2::4",
+      "kavlan-16": "2001:660:4406:790:2::4",
+      "kavlan-18": "2001:660:4406:792:2::4",
+      "kavlan-2": "2001:660:4406:782:2::4",
+      "kavlan-20": "2001:660:4406:794:2::4",
+      "kavlan-21": "2001:660:4406:795:2::4",
+      "kavlan-3": "2001:660:4406:783:2::4",
+      "kavlan-4": "2001:660:4406:784:2::4",
+      "kavlan-5": "2001:660:4406:785:2::4",
+      "kavlan-6": "2001:660:4406:786:2::4",
+      "kavlan-7": "2001:660:4406:787:2::4",
+      "kavlan-8": "2001:660:4406:788:2::4",
+      "kavlan-9": "2001:660:4406:789:2::4"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:2:1::4",
+      "kavlan-11": "2001:660:4406:78b:2:1::4",
+      "kavlan-12": "2001:660:4406:78c:2:1::4",
+      "kavlan-13": "2001:660:4406:78d:2:1::4",
+      "kavlan-14": "2001:660:4406:78e:2:1::4",
+      "kavlan-16": "2001:660:4406:790:2:1::4",
+      "kavlan-18": "2001:660:4406:792:2:1::4",
+      "kavlan-2": "2001:660:4406:782:2:1::4",
+      "kavlan-20": "2001:660:4406:794:2:1::4",
+      "kavlan-21": "2001:660:4406:795:2:1::4",
+      "kavlan-3": "2001:660:4406:783:2:1::4",
+      "kavlan-4": "2001:660:4406:784:2:1::4",
+      "kavlan-5": "2001:660:4406:785:2:1::4",
+      "kavlan-6": "2001:660:4406:786:2:1::4",
+      "kavlan-7": "2001:660:4406:787:2:1::4",
+      "kavlan-8": "2001:660:4406:788:2:1::4",
+      "kavlan-9": "2001:660:4406:789:2:1::4"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:2:1::4",
       "kavlan": true,
       "mac": "ec:f4:bb:d1:02:8a",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-5.json b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-5.json
index da93110cd7e046ec3d720a99123940d39eee1281..6b8fb6b9cc34ca868fa70761f8f7ef30ad38c362 100644
--- a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-5.json
+++ b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-5.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.72.5"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:2::5",
+      "kavlan-11": "2001:660:4406:78b:2::5",
+      "kavlan-12": "2001:660:4406:78c:2::5",
+      "kavlan-13": "2001:660:4406:78d:2::5",
+      "kavlan-14": "2001:660:4406:78e:2::5",
+      "kavlan-16": "2001:660:4406:790:2::5",
+      "kavlan-18": "2001:660:4406:792:2::5",
+      "kavlan-2": "2001:660:4406:782:2::5",
+      "kavlan-20": "2001:660:4406:794:2::5",
+      "kavlan-21": "2001:660:4406:795:2::5",
+      "kavlan-3": "2001:660:4406:783:2::5",
+      "kavlan-4": "2001:660:4406:784:2::5",
+      "kavlan-5": "2001:660:4406:785:2::5",
+      "kavlan-6": "2001:660:4406:786:2::5",
+      "kavlan-7": "2001:660:4406:787:2::5",
+      "kavlan-8": "2001:660:4406:788:2::5",
+      "kavlan-9": "2001:660:4406:789:2::5"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:2:1::5",
+      "kavlan-11": "2001:660:4406:78b:2:1::5",
+      "kavlan-12": "2001:660:4406:78c:2:1::5",
+      "kavlan-13": "2001:660:4406:78d:2:1::5",
+      "kavlan-14": "2001:660:4406:78e:2:1::5",
+      "kavlan-16": "2001:660:4406:790:2:1::5",
+      "kavlan-18": "2001:660:4406:792:2:1::5",
+      "kavlan-2": "2001:660:4406:782:2:1::5",
+      "kavlan-20": "2001:660:4406:794:2:1::5",
+      "kavlan-21": "2001:660:4406:795:2:1::5",
+      "kavlan-3": "2001:660:4406:783:2:1::5",
+      "kavlan-4": "2001:660:4406:784:2:1::5",
+      "kavlan-5": "2001:660:4406:785:2:1::5",
+      "kavlan-6": "2001:660:4406:786:2:1::5",
+      "kavlan-7": "2001:660:4406:787:2:1::5",
+      "kavlan-8": "2001:660:4406:788:2:1::5",
+      "kavlan-9": "2001:660:4406:789:2:1::5"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:2:1::5",
       "kavlan": true,
       "mac": "ec:f4:bb:d1:02:62",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-6.json b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-6.json
index 980a5b6c85aa12ecd7e637751d9a9f44cfd262d9..dcfc0f75d2b8e2d71a6c89cf511b10fe03ffd042 100644
--- a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-6.json
+++ b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-6.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.72.6"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:2::6",
+      "kavlan-11": "2001:660:4406:78b:2::6",
+      "kavlan-12": "2001:660:4406:78c:2::6",
+      "kavlan-13": "2001:660:4406:78d:2::6",
+      "kavlan-14": "2001:660:4406:78e:2::6",
+      "kavlan-16": "2001:660:4406:790:2::6",
+      "kavlan-18": "2001:660:4406:792:2::6",
+      "kavlan-2": "2001:660:4406:782:2::6",
+      "kavlan-20": "2001:660:4406:794:2::6",
+      "kavlan-21": "2001:660:4406:795:2::6",
+      "kavlan-3": "2001:660:4406:783:2::6",
+      "kavlan-4": "2001:660:4406:784:2::6",
+      "kavlan-5": "2001:660:4406:785:2::6",
+      "kavlan-6": "2001:660:4406:786:2::6",
+      "kavlan-7": "2001:660:4406:787:2::6",
+      "kavlan-8": "2001:660:4406:788:2::6",
+      "kavlan-9": "2001:660:4406:789:2::6"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:2:1::6",
+      "kavlan-11": "2001:660:4406:78b:2:1::6",
+      "kavlan-12": "2001:660:4406:78c:2:1::6",
+      "kavlan-13": "2001:660:4406:78d:2:1::6",
+      "kavlan-14": "2001:660:4406:78e:2:1::6",
+      "kavlan-16": "2001:660:4406:790:2:1::6",
+      "kavlan-18": "2001:660:4406:792:2:1::6",
+      "kavlan-2": "2001:660:4406:782:2:1::6",
+      "kavlan-20": "2001:660:4406:794:2:1::6",
+      "kavlan-21": "2001:660:4406:795:2:1::6",
+      "kavlan-3": "2001:660:4406:783:2:1::6",
+      "kavlan-4": "2001:660:4406:784:2:1::6",
+      "kavlan-5": "2001:660:4406:785:2:1::6",
+      "kavlan-6": "2001:660:4406:786:2:1::6",
+      "kavlan-7": "2001:660:4406:787:2:1::6",
+      "kavlan-8": "2001:660:4406:788:2:1::6",
+      "kavlan-9": "2001:660:4406:789:2:1::6"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:2:1::6",
       "kavlan": true,
       "mac": "ec:f4:bb:d1:00:72",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-7.json b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-7.json
index 229f0c798af79bd7e978b5321253a7422cde70b7..4ff9f045ebc0b3614057b513786954543e4f5fba 100644
--- a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-7.json
+++ b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-7.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.72.7"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:2::7",
+      "kavlan-11": "2001:660:4406:78b:2::7",
+      "kavlan-12": "2001:660:4406:78c:2::7",
+      "kavlan-13": "2001:660:4406:78d:2::7",
+      "kavlan-14": "2001:660:4406:78e:2::7",
+      "kavlan-16": "2001:660:4406:790:2::7",
+      "kavlan-18": "2001:660:4406:792:2::7",
+      "kavlan-2": "2001:660:4406:782:2::7",
+      "kavlan-20": "2001:660:4406:794:2::7",
+      "kavlan-21": "2001:660:4406:795:2::7",
+      "kavlan-3": "2001:660:4406:783:2::7",
+      "kavlan-4": "2001:660:4406:784:2::7",
+      "kavlan-5": "2001:660:4406:785:2::7",
+      "kavlan-6": "2001:660:4406:786:2::7",
+      "kavlan-7": "2001:660:4406:787:2::7",
+      "kavlan-8": "2001:660:4406:788:2::7",
+      "kavlan-9": "2001:660:4406:789:2::7"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:2:1::7",
+      "kavlan-11": "2001:660:4406:78b:2:1::7",
+      "kavlan-12": "2001:660:4406:78c:2:1::7",
+      "kavlan-13": "2001:660:4406:78d:2:1::7",
+      "kavlan-14": "2001:660:4406:78e:2:1::7",
+      "kavlan-16": "2001:660:4406:790:2:1::7",
+      "kavlan-18": "2001:660:4406:792:2:1::7",
+      "kavlan-2": "2001:660:4406:782:2:1::7",
+      "kavlan-20": "2001:660:4406:794:2:1::7",
+      "kavlan-21": "2001:660:4406:795:2:1::7",
+      "kavlan-3": "2001:660:4406:783:2:1::7",
+      "kavlan-4": "2001:660:4406:784:2:1::7",
+      "kavlan-5": "2001:660:4406:785:2:1::7",
+      "kavlan-6": "2001:660:4406:786:2:1::7",
+      "kavlan-7": "2001:660:4406:787:2:1::7",
+      "kavlan-8": "2001:660:4406:788:2:1::7",
+      "kavlan-9": "2001:660:4406:789:2:1::7"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:2:1::7",
       "kavlan": true,
       "mac": "ec:f4:bb:d0:fc:3a",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-8.json b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-8.json
index 9faf57940d7fa3e89460a4c8a04119bcc247c440..da0a89e6a399f56d8db889e305a7752e17c67cab 100644
--- a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-8.json
+++ b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-8.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.72.8"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:2::8",
+      "kavlan-11": "2001:660:4406:78b:2::8",
+      "kavlan-12": "2001:660:4406:78c:2::8",
+      "kavlan-13": "2001:660:4406:78d:2::8",
+      "kavlan-14": "2001:660:4406:78e:2::8",
+      "kavlan-16": "2001:660:4406:790:2::8",
+      "kavlan-18": "2001:660:4406:792:2::8",
+      "kavlan-2": "2001:660:4406:782:2::8",
+      "kavlan-20": "2001:660:4406:794:2::8",
+      "kavlan-21": "2001:660:4406:795:2::8",
+      "kavlan-3": "2001:660:4406:783:2::8",
+      "kavlan-4": "2001:660:4406:784:2::8",
+      "kavlan-5": "2001:660:4406:785:2::8",
+      "kavlan-6": "2001:660:4406:786:2::8",
+      "kavlan-7": "2001:660:4406:787:2::8",
+      "kavlan-8": "2001:660:4406:788:2::8",
+      "kavlan-9": "2001:660:4406:789:2::8"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:2:1::8",
+      "kavlan-11": "2001:660:4406:78b:2:1::8",
+      "kavlan-12": "2001:660:4406:78c:2:1::8",
+      "kavlan-13": "2001:660:4406:78d:2:1::8",
+      "kavlan-14": "2001:660:4406:78e:2:1::8",
+      "kavlan-16": "2001:660:4406:790:2:1::8",
+      "kavlan-18": "2001:660:4406:792:2:1::8",
+      "kavlan-2": "2001:660:4406:782:2:1::8",
+      "kavlan-20": "2001:660:4406:794:2:1::8",
+      "kavlan-21": "2001:660:4406:795:2:1::8",
+      "kavlan-3": "2001:660:4406:783:2:1::8",
+      "kavlan-4": "2001:660:4406:784:2:1::8",
+      "kavlan-5": "2001:660:4406:785:2:1::8",
+      "kavlan-6": "2001:660:4406:786:2:1::8",
+      "kavlan-7": "2001:660:4406:787:2:1::8",
+      "kavlan-8": "2001:660:4406:788:2:1::8",
+      "kavlan-9": "2001:660:4406:789:2:1::8"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:2:1::8",
       "kavlan": true,
       "mac": "ec:f4:bb:d0:f2:4a",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-9.json b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-9.json
index 071d082e6513d3f5bfe053ff94506b4e60c7ebf6..b227103103ea3541eda58be0cdd23873827dc277 100644
--- a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-9.json
+++ b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-9.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.72.9"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:2::9",
+      "kavlan-11": "2001:660:4406:78b:2::9",
+      "kavlan-12": "2001:660:4406:78c:2::9",
+      "kavlan-13": "2001:660:4406:78d:2::9",
+      "kavlan-14": "2001:660:4406:78e:2::9",
+      "kavlan-16": "2001:660:4406:790:2::9",
+      "kavlan-18": "2001:660:4406:792:2::9",
+      "kavlan-2": "2001:660:4406:782:2::9",
+      "kavlan-20": "2001:660:4406:794:2::9",
+      "kavlan-21": "2001:660:4406:795:2::9",
+      "kavlan-3": "2001:660:4406:783:2::9",
+      "kavlan-4": "2001:660:4406:784:2::9",
+      "kavlan-5": "2001:660:4406:785:2::9",
+      "kavlan-6": "2001:660:4406:786:2::9",
+      "kavlan-7": "2001:660:4406:787:2::9",
+      "kavlan-8": "2001:660:4406:788:2::9",
+      "kavlan-9": "2001:660:4406:789:2::9"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:2:1::9",
+      "kavlan-11": "2001:660:4406:78b:2:1::9",
+      "kavlan-12": "2001:660:4406:78c:2:1::9",
+      "kavlan-13": "2001:660:4406:78d:2:1::9",
+      "kavlan-14": "2001:660:4406:78e:2:1::9",
+      "kavlan-16": "2001:660:4406:790:2:1::9",
+      "kavlan-18": "2001:660:4406:792:2:1::9",
+      "kavlan-2": "2001:660:4406:782:2:1::9",
+      "kavlan-20": "2001:660:4406:794:2:1::9",
+      "kavlan-21": "2001:660:4406:795:2:1::9",
+      "kavlan-3": "2001:660:4406:783:2:1::9",
+      "kavlan-4": "2001:660:4406:784:2:1::9",
+      "kavlan-5": "2001:660:4406:785:2:1::9",
+      "kavlan-6": "2001:660:4406:786:2:1::9",
+      "kavlan-7": "2001:660:4406:787:2:1::9",
+      "kavlan-8": "2001:660:4406:788:2:1::9",
+      "kavlan-9": "2001:660:4406:789:2:1::9"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:2:1::9",
       "kavlan": true,
       "mac": "ec:f4:bb:d0:f0:ba",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-1.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-1.json
index 982005412cc1e23ce930137efc9731682c2c5f54..a222fb5e94db6aec3618c5353398dd68f8bb538a 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-1.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-1.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.70.1"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:1::1",
+      "kavlan-11": "2001:660:4406:78b:1::1",
+      "kavlan-12": "2001:660:4406:78c:1::1",
+      "kavlan-13": "2001:660:4406:78d:1::1",
+      "kavlan-14": "2001:660:4406:78e:1::1",
+      "kavlan-16": "2001:660:4406:790:1::1",
+      "kavlan-18": "2001:660:4406:792:1::1",
+      "kavlan-2": "2001:660:4406:782:1::1",
+      "kavlan-20": "2001:660:4406:794:1::1",
+      "kavlan-21": "2001:660:4406:795:1::1",
+      "kavlan-3": "2001:660:4406:783:1::1",
+      "kavlan-4": "2001:660:4406:784:1::1",
+      "kavlan-5": "2001:660:4406:785:1::1",
+      "kavlan-6": "2001:660:4406:786:1::1",
+      "kavlan-7": "2001:660:4406:787:1::1",
+      "kavlan-8": "2001:660:4406:788:1::1",
+      "kavlan-9": "2001:660:4406:789:1::1"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:1:1::1",
+      "kavlan-11": "2001:660:4406:78b:1:1::1",
+      "kavlan-12": "2001:660:4406:78c:1:1::1",
+      "kavlan-13": "2001:660:4406:78d:1:1::1",
+      "kavlan-14": "2001:660:4406:78e:1:1::1",
+      "kavlan-16": "2001:660:4406:790:1:1::1",
+      "kavlan-18": "2001:660:4406:792:1:1::1",
+      "kavlan-2": "2001:660:4406:782:1:1::1",
+      "kavlan-20": "2001:660:4406:794:1:1::1",
+      "kavlan-21": "2001:660:4406:795:1:1::1",
+      "kavlan-3": "2001:660:4406:783:1:1::1",
+      "kavlan-4": "2001:660:4406:784:1:1::1",
+      "kavlan-5": "2001:660:4406:785:1:1::1",
+      "kavlan-6": "2001:660:4406:786:1:1::1",
+      "kavlan-7": "2001:660:4406:787:1:1::1",
+      "kavlan-8": "2001:660:4406:788:1:1::1",
+      "kavlan-9": "2001:660:4406:789:1:1::1"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:1:1::1",
       "kavlan": true,
       "mac": "ec:f4:bb:d0:fb:22",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-10.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-10.json
index 7ac75f022dacce487a35c815b38890c29924cecc..c10b262d05d1547f70a79e374c8b6cd3ae71da9f 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-10.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-10.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.70.10"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:1::a",
+      "kavlan-11": "2001:660:4406:78b:1::a",
+      "kavlan-12": "2001:660:4406:78c:1::a",
+      "kavlan-13": "2001:660:4406:78d:1::a",
+      "kavlan-14": "2001:660:4406:78e:1::a",
+      "kavlan-16": "2001:660:4406:790:1::a",
+      "kavlan-18": "2001:660:4406:792:1::a",
+      "kavlan-2": "2001:660:4406:782:1::a",
+      "kavlan-20": "2001:660:4406:794:1::a",
+      "kavlan-21": "2001:660:4406:795:1::a",
+      "kavlan-3": "2001:660:4406:783:1::a",
+      "kavlan-4": "2001:660:4406:784:1::a",
+      "kavlan-5": "2001:660:4406:785:1::a",
+      "kavlan-6": "2001:660:4406:786:1::a",
+      "kavlan-7": "2001:660:4406:787:1::a",
+      "kavlan-8": "2001:660:4406:788:1::a",
+      "kavlan-9": "2001:660:4406:789:1::a"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:1:1::a",
+      "kavlan-11": "2001:660:4406:78b:1:1::a",
+      "kavlan-12": "2001:660:4406:78c:1:1::a",
+      "kavlan-13": "2001:660:4406:78d:1:1::a",
+      "kavlan-14": "2001:660:4406:78e:1:1::a",
+      "kavlan-16": "2001:660:4406:790:1:1::a",
+      "kavlan-18": "2001:660:4406:792:1:1::a",
+      "kavlan-2": "2001:660:4406:782:1:1::a",
+      "kavlan-20": "2001:660:4406:794:1:1::a",
+      "kavlan-21": "2001:660:4406:795:1:1::a",
+      "kavlan-3": "2001:660:4406:783:1:1::a",
+      "kavlan-4": "2001:660:4406:784:1:1::a",
+      "kavlan-5": "2001:660:4406:785:1:1::a",
+      "kavlan-6": "2001:660:4406:786:1:1::a",
+      "kavlan-7": "2001:660:4406:787:1:1::a",
+      "kavlan-8": "2001:660:4406:788:1:1::a",
+      "kavlan-9": "2001:660:4406:789:1:1::a"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:1:1::a",
       "kavlan": true,
       "mac": "ec:f4:bb:d0:fa:b2",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-11.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-11.json
index 6b9877c45f624da3f8f02b5164d0987f635113fa..362a30e6df5e42546d74a889d7da5e82288b633c 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-11.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-11.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.70.11"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:1::b",
+      "kavlan-11": "2001:660:4406:78b:1::b",
+      "kavlan-12": "2001:660:4406:78c:1::b",
+      "kavlan-13": "2001:660:4406:78d:1::b",
+      "kavlan-14": "2001:660:4406:78e:1::b",
+      "kavlan-16": "2001:660:4406:790:1::b",
+      "kavlan-18": "2001:660:4406:792:1::b",
+      "kavlan-2": "2001:660:4406:782:1::b",
+      "kavlan-20": "2001:660:4406:794:1::b",
+      "kavlan-21": "2001:660:4406:795:1::b",
+      "kavlan-3": "2001:660:4406:783:1::b",
+      "kavlan-4": "2001:660:4406:784:1::b",
+      "kavlan-5": "2001:660:4406:785:1::b",
+      "kavlan-6": "2001:660:4406:786:1::b",
+      "kavlan-7": "2001:660:4406:787:1::b",
+      "kavlan-8": "2001:660:4406:788:1::b",
+      "kavlan-9": "2001:660:4406:789:1::b"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:1:1::b",
+      "kavlan-11": "2001:660:4406:78b:1:1::b",
+      "kavlan-12": "2001:660:4406:78c:1:1::b",
+      "kavlan-13": "2001:660:4406:78d:1:1::b",
+      "kavlan-14": "2001:660:4406:78e:1:1::b",
+      "kavlan-16": "2001:660:4406:790:1:1::b",
+      "kavlan-18": "2001:660:4406:792:1:1::b",
+      "kavlan-2": "2001:660:4406:782:1:1::b",
+      "kavlan-20": "2001:660:4406:794:1:1::b",
+      "kavlan-21": "2001:660:4406:795:1:1::b",
+      "kavlan-3": "2001:660:4406:783:1:1::b",
+      "kavlan-4": "2001:660:4406:784:1:1::b",
+      "kavlan-5": "2001:660:4406:785:1:1::b",
+      "kavlan-6": "2001:660:4406:786:1:1::b",
+      "kavlan-7": "2001:660:4406:787:1:1::b",
+      "kavlan-8": "2001:660:4406:788:1:1::b",
+      "kavlan-9": "2001:660:4406:789:1:1::b"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:1:1::b",
       "kavlan": true,
       "mac": "ec:f4:bb:d0:fa:4a",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-12.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-12.json
index 3288b40a7930e0daef9d1a6c605c05eb0b102a3c..1ba11aca400fda6d8bdb994a83646a919014f795 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-12.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-12.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.70.12"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:1::c",
+      "kavlan-11": "2001:660:4406:78b:1::c",
+      "kavlan-12": "2001:660:4406:78c:1::c",
+      "kavlan-13": "2001:660:4406:78d:1::c",
+      "kavlan-14": "2001:660:4406:78e:1::c",
+      "kavlan-16": "2001:660:4406:790:1::c",
+      "kavlan-18": "2001:660:4406:792:1::c",
+      "kavlan-2": "2001:660:4406:782:1::c",
+      "kavlan-20": "2001:660:4406:794:1::c",
+      "kavlan-21": "2001:660:4406:795:1::c",
+      "kavlan-3": "2001:660:4406:783:1::c",
+      "kavlan-4": "2001:660:4406:784:1::c",
+      "kavlan-5": "2001:660:4406:785:1::c",
+      "kavlan-6": "2001:660:4406:786:1::c",
+      "kavlan-7": "2001:660:4406:787:1::c",
+      "kavlan-8": "2001:660:4406:788:1::c",
+      "kavlan-9": "2001:660:4406:789:1::c"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:1:1::c",
+      "kavlan-11": "2001:660:4406:78b:1:1::c",
+      "kavlan-12": "2001:660:4406:78c:1:1::c",
+      "kavlan-13": "2001:660:4406:78d:1:1::c",
+      "kavlan-14": "2001:660:4406:78e:1:1::c",
+      "kavlan-16": "2001:660:4406:790:1:1::c",
+      "kavlan-18": "2001:660:4406:792:1:1::c",
+      "kavlan-2": "2001:660:4406:782:1:1::c",
+      "kavlan-20": "2001:660:4406:794:1:1::c",
+      "kavlan-21": "2001:660:4406:795:1:1::c",
+      "kavlan-3": "2001:660:4406:783:1:1::c",
+      "kavlan-4": "2001:660:4406:784:1:1::c",
+      "kavlan-5": "2001:660:4406:785:1:1::c",
+      "kavlan-6": "2001:660:4406:786:1:1::c",
+      "kavlan-7": "2001:660:4406:787:1:1::c",
+      "kavlan-8": "2001:660:4406:788:1:1::c",
+      "kavlan-9": "2001:660:4406:789:1:1::c"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:1:1::c",
       "kavlan": true,
       "mac": "ec:f4:bb:d1:00:22",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-13.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-13.json
index dea3388f75143218359f6c840361a78bf2259690..da74b7a05b08f5b8b2f33b3c8350c271aac5d671 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-13.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-13.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.70.13"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:1::d",
+      "kavlan-11": "2001:660:4406:78b:1::d",
+      "kavlan-12": "2001:660:4406:78c:1::d",
+      "kavlan-13": "2001:660:4406:78d:1::d",
+      "kavlan-14": "2001:660:4406:78e:1::d",
+      "kavlan-16": "2001:660:4406:790:1::d",
+      "kavlan-18": "2001:660:4406:792:1::d",
+      "kavlan-2": "2001:660:4406:782:1::d",
+      "kavlan-20": "2001:660:4406:794:1::d",
+      "kavlan-21": "2001:660:4406:795:1::d",
+      "kavlan-3": "2001:660:4406:783:1::d",
+      "kavlan-4": "2001:660:4406:784:1::d",
+      "kavlan-5": "2001:660:4406:785:1::d",
+      "kavlan-6": "2001:660:4406:786:1::d",
+      "kavlan-7": "2001:660:4406:787:1::d",
+      "kavlan-8": "2001:660:4406:788:1::d",
+      "kavlan-9": "2001:660:4406:789:1::d"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:1:1::d",
+      "kavlan-11": "2001:660:4406:78b:1:1::d",
+      "kavlan-12": "2001:660:4406:78c:1:1::d",
+      "kavlan-13": "2001:660:4406:78d:1:1::d",
+      "kavlan-14": "2001:660:4406:78e:1:1::d",
+      "kavlan-16": "2001:660:4406:790:1:1::d",
+      "kavlan-18": "2001:660:4406:792:1:1::d",
+      "kavlan-2": "2001:660:4406:782:1:1::d",
+      "kavlan-20": "2001:660:4406:794:1:1::d",
+      "kavlan-21": "2001:660:4406:795:1:1::d",
+      "kavlan-3": "2001:660:4406:783:1:1::d",
+      "kavlan-4": "2001:660:4406:784:1:1::d",
+      "kavlan-5": "2001:660:4406:785:1:1::d",
+      "kavlan-6": "2001:660:4406:786:1:1::d",
+      "kavlan-7": "2001:660:4406:787:1:1::d",
+      "kavlan-8": "2001:660:4406:788:1:1::d",
+      "kavlan-9": "2001:660:4406:789:1:1::d"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:1:1::d",
       "kavlan": true,
       "mac": "ec:f4:bb:d0:f7:62",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-14.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-14.json
index 66f33828bdc00029bafb199fdfb79386a29165df..67005be32d1e7200cf5fc640a6d699313efa5b0d 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-14.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-14.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.70.14"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:1::e",
+      "kavlan-11": "2001:660:4406:78b:1::e",
+      "kavlan-12": "2001:660:4406:78c:1::e",
+      "kavlan-13": "2001:660:4406:78d:1::e",
+      "kavlan-14": "2001:660:4406:78e:1::e",
+      "kavlan-16": "2001:660:4406:790:1::e",
+      "kavlan-18": "2001:660:4406:792:1::e",
+      "kavlan-2": "2001:660:4406:782:1::e",
+      "kavlan-20": "2001:660:4406:794:1::e",
+      "kavlan-21": "2001:660:4406:795:1::e",
+      "kavlan-3": "2001:660:4406:783:1::e",
+      "kavlan-4": "2001:660:4406:784:1::e",
+      "kavlan-5": "2001:660:4406:785:1::e",
+      "kavlan-6": "2001:660:4406:786:1::e",
+      "kavlan-7": "2001:660:4406:787:1::e",
+      "kavlan-8": "2001:660:4406:788:1::e",
+      "kavlan-9": "2001:660:4406:789:1::e"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:1:1::e",
+      "kavlan-11": "2001:660:4406:78b:1:1::e",
+      "kavlan-12": "2001:660:4406:78c:1:1::e",
+      "kavlan-13": "2001:660:4406:78d:1:1::e",
+      "kavlan-14": "2001:660:4406:78e:1:1::e",
+      "kavlan-16": "2001:660:4406:790:1:1::e",
+      "kavlan-18": "2001:660:4406:792:1:1::e",
+      "kavlan-2": "2001:660:4406:782:1:1::e",
+      "kavlan-20": "2001:660:4406:794:1:1::e",
+      "kavlan-21": "2001:660:4406:795:1:1::e",
+      "kavlan-3": "2001:660:4406:783:1:1::e",
+      "kavlan-4": "2001:660:4406:784:1:1::e",
+      "kavlan-5": "2001:660:4406:785:1:1::e",
+      "kavlan-6": "2001:660:4406:786:1:1::e",
+      "kavlan-7": "2001:660:4406:787:1:1::e",
+      "kavlan-8": "2001:660:4406:788:1:1::e",
+      "kavlan-9": "2001:660:4406:789:1:1::e"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:1:1::e",
       "kavlan": true,
       "mac": "ec:f4:bb:d1:01:5a",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-15.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-15.json
index e86c6acf5333bbaf2d9051b946c0ac75565caf6a..a18bef1545c0eca24b6ae1359da109a8b0f5467f 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-15.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-15.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.70.15"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:1::f",
+      "kavlan-11": "2001:660:4406:78b:1::f",
+      "kavlan-12": "2001:660:4406:78c:1::f",
+      "kavlan-13": "2001:660:4406:78d:1::f",
+      "kavlan-14": "2001:660:4406:78e:1::f",
+      "kavlan-16": "2001:660:4406:790:1::f",
+      "kavlan-18": "2001:660:4406:792:1::f",
+      "kavlan-2": "2001:660:4406:782:1::f",
+      "kavlan-20": "2001:660:4406:794:1::f",
+      "kavlan-21": "2001:660:4406:795:1::f",
+      "kavlan-3": "2001:660:4406:783:1::f",
+      "kavlan-4": "2001:660:4406:784:1::f",
+      "kavlan-5": "2001:660:4406:785:1::f",
+      "kavlan-6": "2001:660:4406:786:1::f",
+      "kavlan-7": "2001:660:4406:787:1::f",
+      "kavlan-8": "2001:660:4406:788:1::f",
+      "kavlan-9": "2001:660:4406:789:1::f"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:1:1::f",
+      "kavlan-11": "2001:660:4406:78b:1:1::f",
+      "kavlan-12": "2001:660:4406:78c:1:1::f",
+      "kavlan-13": "2001:660:4406:78d:1:1::f",
+      "kavlan-14": "2001:660:4406:78e:1:1::f",
+      "kavlan-16": "2001:660:4406:790:1:1::f",
+      "kavlan-18": "2001:660:4406:792:1:1::f",
+      "kavlan-2": "2001:660:4406:782:1:1::f",
+      "kavlan-20": "2001:660:4406:794:1:1::f",
+      "kavlan-21": "2001:660:4406:795:1:1::f",
+      "kavlan-3": "2001:660:4406:783:1:1::f",
+      "kavlan-4": "2001:660:4406:784:1:1::f",
+      "kavlan-5": "2001:660:4406:785:1:1::f",
+      "kavlan-6": "2001:660:4406:786:1:1::f",
+      "kavlan-7": "2001:660:4406:787:1:1::f",
+      "kavlan-8": "2001:660:4406:788:1:1::f",
+      "kavlan-9": "2001:660:4406:789:1:1::f"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:1:1::f",
       "kavlan": true,
       "mac": "ec:f4:bb:d0:fe:92",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-16.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-16.json
index 39b60e74b27dc73ae51aadb3bb39ce66b80fdd65..101767461ba23360373f532ca670b8bd5ac1c03a 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-16.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-16.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.70.16"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:1::10",
+      "kavlan-11": "2001:660:4406:78b:1::10",
+      "kavlan-12": "2001:660:4406:78c:1::10",
+      "kavlan-13": "2001:660:4406:78d:1::10",
+      "kavlan-14": "2001:660:4406:78e:1::10",
+      "kavlan-16": "2001:660:4406:790:1::10",
+      "kavlan-18": "2001:660:4406:792:1::10",
+      "kavlan-2": "2001:660:4406:782:1::10",
+      "kavlan-20": "2001:660:4406:794:1::10",
+      "kavlan-21": "2001:660:4406:795:1::10",
+      "kavlan-3": "2001:660:4406:783:1::10",
+      "kavlan-4": "2001:660:4406:784:1::10",
+      "kavlan-5": "2001:660:4406:785:1::10",
+      "kavlan-6": "2001:660:4406:786:1::10",
+      "kavlan-7": "2001:660:4406:787:1::10",
+      "kavlan-8": "2001:660:4406:788:1::10",
+      "kavlan-9": "2001:660:4406:789:1::10"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:1:1::10",
+      "kavlan-11": "2001:660:4406:78b:1:1::10",
+      "kavlan-12": "2001:660:4406:78c:1:1::10",
+      "kavlan-13": "2001:660:4406:78d:1:1::10",
+      "kavlan-14": "2001:660:4406:78e:1:1::10",
+      "kavlan-16": "2001:660:4406:790:1:1::10",
+      "kavlan-18": "2001:660:4406:792:1:1::10",
+      "kavlan-2": "2001:660:4406:782:1:1::10",
+      "kavlan-20": "2001:660:4406:794:1:1::10",
+      "kavlan-21": "2001:660:4406:795:1:1::10",
+      "kavlan-3": "2001:660:4406:783:1:1::10",
+      "kavlan-4": "2001:660:4406:784:1:1::10",
+      "kavlan-5": "2001:660:4406:785:1:1::10",
+      "kavlan-6": "2001:660:4406:786:1:1::10",
+      "kavlan-7": "2001:660:4406:787:1:1::10",
+      "kavlan-8": "2001:660:4406:788:1:1::10",
+      "kavlan-9": "2001:660:4406:789:1:1::10"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:1:1::10",
       "kavlan": true,
       "mac": "ec:f4:bb:d1:01:3a",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-17.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-17.json
index 70bda8cbafd1b9201efc5f888d236db716e876e0..befc01e0ad6588d1fe22fdf2ceb60ec1ed79d6ba 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-17.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-17.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.70.17"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:1::11",
+      "kavlan-11": "2001:660:4406:78b:1::11",
+      "kavlan-12": "2001:660:4406:78c:1::11",
+      "kavlan-13": "2001:660:4406:78d:1::11",
+      "kavlan-14": "2001:660:4406:78e:1::11",
+      "kavlan-16": "2001:660:4406:790:1::11",
+      "kavlan-18": "2001:660:4406:792:1::11",
+      "kavlan-2": "2001:660:4406:782:1::11",
+      "kavlan-20": "2001:660:4406:794:1::11",
+      "kavlan-21": "2001:660:4406:795:1::11",
+      "kavlan-3": "2001:660:4406:783:1::11",
+      "kavlan-4": "2001:660:4406:784:1::11",
+      "kavlan-5": "2001:660:4406:785:1::11",
+      "kavlan-6": "2001:660:4406:786:1::11",
+      "kavlan-7": "2001:660:4406:787:1::11",
+      "kavlan-8": "2001:660:4406:788:1::11",
+      "kavlan-9": "2001:660:4406:789:1::11"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:1:1::11",
+      "kavlan-11": "2001:660:4406:78b:1:1::11",
+      "kavlan-12": "2001:660:4406:78c:1:1::11",
+      "kavlan-13": "2001:660:4406:78d:1:1::11",
+      "kavlan-14": "2001:660:4406:78e:1:1::11",
+      "kavlan-16": "2001:660:4406:790:1:1::11",
+      "kavlan-18": "2001:660:4406:792:1:1::11",
+      "kavlan-2": "2001:660:4406:782:1:1::11",
+      "kavlan-20": "2001:660:4406:794:1:1::11",
+      "kavlan-21": "2001:660:4406:795:1:1::11",
+      "kavlan-3": "2001:660:4406:783:1:1::11",
+      "kavlan-4": "2001:660:4406:784:1:1::11",
+      "kavlan-5": "2001:660:4406:785:1:1::11",
+      "kavlan-6": "2001:660:4406:786:1:1::11",
+      "kavlan-7": "2001:660:4406:787:1:1::11",
+      "kavlan-8": "2001:660:4406:788:1:1::11",
+      "kavlan-9": "2001:660:4406:789:1:1::11"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:1:1::11",
       "kavlan": true,
       "mac": "ec:f4:bb:d1:01:c2",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-18.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-18.json
index f59882f4483ec75c1bf53f135abc17104d69c7aa..204d8e4ff3b86575f2c0848b51dbebdbbff0545f 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-18.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-18.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.70.18"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:1::12",
+      "kavlan-11": "2001:660:4406:78b:1::12",
+      "kavlan-12": "2001:660:4406:78c:1::12",
+      "kavlan-13": "2001:660:4406:78d:1::12",
+      "kavlan-14": "2001:660:4406:78e:1::12",
+      "kavlan-16": "2001:660:4406:790:1::12",
+      "kavlan-18": "2001:660:4406:792:1::12",
+      "kavlan-2": "2001:660:4406:782:1::12",
+      "kavlan-20": "2001:660:4406:794:1::12",
+      "kavlan-21": "2001:660:4406:795:1::12",
+      "kavlan-3": "2001:660:4406:783:1::12",
+      "kavlan-4": "2001:660:4406:784:1::12",
+      "kavlan-5": "2001:660:4406:785:1::12",
+      "kavlan-6": "2001:660:4406:786:1::12",
+      "kavlan-7": "2001:660:4406:787:1::12",
+      "kavlan-8": "2001:660:4406:788:1::12",
+      "kavlan-9": "2001:660:4406:789:1::12"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:1:1::12",
+      "kavlan-11": "2001:660:4406:78b:1:1::12",
+      "kavlan-12": "2001:660:4406:78c:1:1::12",
+      "kavlan-13": "2001:660:4406:78d:1:1::12",
+      "kavlan-14": "2001:660:4406:78e:1:1::12",
+      "kavlan-16": "2001:660:4406:790:1:1::12",
+      "kavlan-18": "2001:660:4406:792:1:1::12",
+      "kavlan-2": "2001:660:4406:782:1:1::12",
+      "kavlan-20": "2001:660:4406:794:1:1::12",
+      "kavlan-21": "2001:660:4406:795:1:1::12",
+      "kavlan-3": "2001:660:4406:783:1:1::12",
+      "kavlan-4": "2001:660:4406:784:1:1::12",
+      "kavlan-5": "2001:660:4406:785:1:1::12",
+      "kavlan-6": "2001:660:4406:786:1:1::12",
+      "kavlan-7": "2001:660:4406:787:1:1::12",
+      "kavlan-8": "2001:660:4406:788:1:1::12",
+      "kavlan-9": "2001:660:4406:789:1:1::12"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:1:1::12",
       "kavlan": true,
       "mac": "ec:f4:bb:d1:02:ea",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-19.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-19.json
index 790700fce8d15b6ba96420cc7ec3d6146144fb7a..d001faaceb2b68959a424390aafb6afbff9ddc14 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-19.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-19.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.70.19"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:1::13",
+      "kavlan-11": "2001:660:4406:78b:1::13",
+      "kavlan-12": "2001:660:4406:78c:1::13",
+      "kavlan-13": "2001:660:4406:78d:1::13",
+      "kavlan-14": "2001:660:4406:78e:1::13",
+      "kavlan-16": "2001:660:4406:790:1::13",
+      "kavlan-18": "2001:660:4406:792:1::13",
+      "kavlan-2": "2001:660:4406:782:1::13",
+      "kavlan-20": "2001:660:4406:794:1::13",
+      "kavlan-21": "2001:660:4406:795:1::13",
+      "kavlan-3": "2001:660:4406:783:1::13",
+      "kavlan-4": "2001:660:4406:784:1::13",
+      "kavlan-5": "2001:660:4406:785:1::13",
+      "kavlan-6": "2001:660:4406:786:1::13",
+      "kavlan-7": "2001:660:4406:787:1::13",
+      "kavlan-8": "2001:660:4406:788:1::13",
+      "kavlan-9": "2001:660:4406:789:1::13"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:1:1::13",
+      "kavlan-11": "2001:660:4406:78b:1:1::13",
+      "kavlan-12": "2001:660:4406:78c:1:1::13",
+      "kavlan-13": "2001:660:4406:78d:1:1::13",
+      "kavlan-14": "2001:660:4406:78e:1:1::13",
+      "kavlan-16": "2001:660:4406:790:1:1::13",
+      "kavlan-18": "2001:660:4406:792:1:1::13",
+      "kavlan-2": "2001:660:4406:782:1:1::13",
+      "kavlan-20": "2001:660:4406:794:1:1::13",
+      "kavlan-21": "2001:660:4406:795:1:1::13",
+      "kavlan-3": "2001:660:4406:783:1:1::13",
+      "kavlan-4": "2001:660:4406:784:1:1::13",
+      "kavlan-5": "2001:660:4406:785:1:1::13",
+      "kavlan-6": "2001:660:4406:786:1:1::13",
+      "kavlan-7": "2001:660:4406:787:1:1::13",
+      "kavlan-8": "2001:660:4406:788:1:1::13",
+      "kavlan-9": "2001:660:4406:789:1:1::13"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:1:1::13",
       "kavlan": true,
       "mac": "ec:f4:bb:d1:02:9a",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-2.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-2.json
index e742e842ad0c53e9fb1acd449efb132b30dcc009..10226ee2e891f1ce8f193013b285c1b844b9903a 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-2.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-2.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.70.2"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:1::2",
+      "kavlan-11": "2001:660:4406:78b:1::2",
+      "kavlan-12": "2001:660:4406:78c:1::2",
+      "kavlan-13": "2001:660:4406:78d:1::2",
+      "kavlan-14": "2001:660:4406:78e:1::2",
+      "kavlan-16": "2001:660:4406:790:1::2",
+      "kavlan-18": "2001:660:4406:792:1::2",
+      "kavlan-2": "2001:660:4406:782:1::2",
+      "kavlan-20": "2001:660:4406:794:1::2",
+      "kavlan-21": "2001:660:4406:795:1::2",
+      "kavlan-3": "2001:660:4406:783:1::2",
+      "kavlan-4": "2001:660:4406:784:1::2",
+      "kavlan-5": "2001:660:4406:785:1::2",
+      "kavlan-6": "2001:660:4406:786:1::2",
+      "kavlan-7": "2001:660:4406:787:1::2",
+      "kavlan-8": "2001:660:4406:788:1::2",
+      "kavlan-9": "2001:660:4406:789:1::2"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:1:1::2",
+      "kavlan-11": "2001:660:4406:78b:1:1::2",
+      "kavlan-12": "2001:660:4406:78c:1:1::2",
+      "kavlan-13": "2001:660:4406:78d:1:1::2",
+      "kavlan-14": "2001:660:4406:78e:1:1::2",
+      "kavlan-16": "2001:660:4406:790:1:1::2",
+      "kavlan-18": "2001:660:4406:792:1:1::2",
+      "kavlan-2": "2001:660:4406:782:1:1::2",
+      "kavlan-20": "2001:660:4406:794:1:1::2",
+      "kavlan-21": "2001:660:4406:795:1:1::2",
+      "kavlan-3": "2001:660:4406:783:1:1::2",
+      "kavlan-4": "2001:660:4406:784:1:1::2",
+      "kavlan-5": "2001:660:4406:785:1:1::2",
+      "kavlan-6": "2001:660:4406:786:1:1::2",
+      "kavlan-7": "2001:660:4406:787:1:1::2",
+      "kavlan-8": "2001:660:4406:788:1:1::2",
+      "kavlan-9": "2001:660:4406:789:1:1::2"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:1:1::2",
       "kavlan": true,
       "mac": "ec:f4:bb:d0:b6:c2",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-20.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-20.json
index ccb8311b7c8945b382f380f6e8e0a207ad73ed0f..c58eb78b4c06c54a3611bde0e0685bb9483d1c6e 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-20.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-20.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.70.20"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:1::14",
+      "kavlan-11": "2001:660:4406:78b:1::14",
+      "kavlan-12": "2001:660:4406:78c:1::14",
+      "kavlan-13": "2001:660:4406:78d:1::14",
+      "kavlan-14": "2001:660:4406:78e:1::14",
+      "kavlan-16": "2001:660:4406:790:1::14",
+      "kavlan-18": "2001:660:4406:792:1::14",
+      "kavlan-2": "2001:660:4406:782:1::14",
+      "kavlan-20": "2001:660:4406:794:1::14",
+      "kavlan-21": "2001:660:4406:795:1::14",
+      "kavlan-3": "2001:660:4406:783:1::14",
+      "kavlan-4": "2001:660:4406:784:1::14",
+      "kavlan-5": "2001:660:4406:785:1::14",
+      "kavlan-6": "2001:660:4406:786:1::14",
+      "kavlan-7": "2001:660:4406:787:1::14",
+      "kavlan-8": "2001:660:4406:788:1::14",
+      "kavlan-9": "2001:660:4406:789:1::14"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:1:1::14",
+      "kavlan-11": "2001:660:4406:78b:1:1::14",
+      "kavlan-12": "2001:660:4406:78c:1:1::14",
+      "kavlan-13": "2001:660:4406:78d:1:1::14",
+      "kavlan-14": "2001:660:4406:78e:1:1::14",
+      "kavlan-16": "2001:660:4406:790:1:1::14",
+      "kavlan-18": "2001:660:4406:792:1:1::14",
+      "kavlan-2": "2001:660:4406:782:1:1::14",
+      "kavlan-20": "2001:660:4406:794:1:1::14",
+      "kavlan-21": "2001:660:4406:795:1:1::14",
+      "kavlan-3": "2001:660:4406:783:1:1::14",
+      "kavlan-4": "2001:660:4406:784:1:1::14",
+      "kavlan-5": "2001:660:4406:785:1:1::14",
+      "kavlan-6": "2001:660:4406:786:1:1::14",
+      "kavlan-7": "2001:660:4406:787:1:1::14",
+      "kavlan-8": "2001:660:4406:788:1:1::14",
+      "kavlan-9": "2001:660:4406:789:1:1::14"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:1:1::14",
       "kavlan": true,
       "mac": "ec:f4:bb:d1:00:02",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-21.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-21.json
index 655e1107fdab7c435723f656e9b7f090a12d39b5..43cd37bd165ff4a370c06711e371dcdce183cfaa 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-21.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-21.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.70.21"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:1::15",
+      "kavlan-11": "2001:660:4406:78b:1::15",
+      "kavlan-12": "2001:660:4406:78c:1::15",
+      "kavlan-13": "2001:660:4406:78d:1::15",
+      "kavlan-14": "2001:660:4406:78e:1::15",
+      "kavlan-16": "2001:660:4406:790:1::15",
+      "kavlan-18": "2001:660:4406:792:1::15",
+      "kavlan-2": "2001:660:4406:782:1::15",
+      "kavlan-20": "2001:660:4406:794:1::15",
+      "kavlan-21": "2001:660:4406:795:1::15",
+      "kavlan-3": "2001:660:4406:783:1::15",
+      "kavlan-4": "2001:660:4406:784:1::15",
+      "kavlan-5": "2001:660:4406:785:1::15",
+      "kavlan-6": "2001:660:4406:786:1::15",
+      "kavlan-7": "2001:660:4406:787:1::15",
+      "kavlan-8": "2001:660:4406:788:1::15",
+      "kavlan-9": "2001:660:4406:789:1::15"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:1:1::15",
+      "kavlan-11": "2001:660:4406:78b:1:1::15",
+      "kavlan-12": "2001:660:4406:78c:1:1::15",
+      "kavlan-13": "2001:660:4406:78d:1:1::15",
+      "kavlan-14": "2001:660:4406:78e:1:1::15",
+      "kavlan-16": "2001:660:4406:790:1:1::15",
+      "kavlan-18": "2001:660:4406:792:1:1::15",
+      "kavlan-2": "2001:660:4406:782:1:1::15",
+      "kavlan-20": "2001:660:4406:794:1:1::15",
+      "kavlan-21": "2001:660:4406:795:1:1::15",
+      "kavlan-3": "2001:660:4406:783:1:1::15",
+      "kavlan-4": "2001:660:4406:784:1:1::15",
+      "kavlan-5": "2001:660:4406:785:1:1::15",
+      "kavlan-6": "2001:660:4406:786:1:1::15",
+      "kavlan-7": "2001:660:4406:787:1:1::15",
+      "kavlan-8": "2001:660:4406:788:1:1::15",
+      "kavlan-9": "2001:660:4406:789:1:1::15"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:1:1::15",
       "kavlan": true,
       "mac": "ec:f4:bb:cf:d1:0a",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-22.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-22.json
index dd2b6625a2404817ab9cbdaeed5bcf8c5b766a37..43fd3442b81c626cd646b93783b05b43432a5727 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-22.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-22.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.70.22"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:1::16",
+      "kavlan-11": "2001:660:4406:78b:1::16",
+      "kavlan-12": "2001:660:4406:78c:1::16",
+      "kavlan-13": "2001:660:4406:78d:1::16",
+      "kavlan-14": "2001:660:4406:78e:1::16",
+      "kavlan-16": "2001:660:4406:790:1::16",
+      "kavlan-18": "2001:660:4406:792:1::16",
+      "kavlan-2": "2001:660:4406:782:1::16",
+      "kavlan-20": "2001:660:4406:794:1::16",
+      "kavlan-21": "2001:660:4406:795:1::16",
+      "kavlan-3": "2001:660:4406:783:1::16",
+      "kavlan-4": "2001:660:4406:784:1::16",
+      "kavlan-5": "2001:660:4406:785:1::16",
+      "kavlan-6": "2001:660:4406:786:1::16",
+      "kavlan-7": "2001:660:4406:787:1::16",
+      "kavlan-8": "2001:660:4406:788:1::16",
+      "kavlan-9": "2001:660:4406:789:1::16"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:1:1::16",
+      "kavlan-11": "2001:660:4406:78b:1:1::16",
+      "kavlan-12": "2001:660:4406:78c:1:1::16",
+      "kavlan-13": "2001:660:4406:78d:1:1::16",
+      "kavlan-14": "2001:660:4406:78e:1:1::16",
+      "kavlan-16": "2001:660:4406:790:1:1::16",
+      "kavlan-18": "2001:660:4406:792:1:1::16",
+      "kavlan-2": "2001:660:4406:782:1:1::16",
+      "kavlan-20": "2001:660:4406:794:1:1::16",
+      "kavlan-21": "2001:660:4406:795:1:1::16",
+      "kavlan-3": "2001:660:4406:783:1:1::16",
+      "kavlan-4": "2001:660:4406:784:1:1::16",
+      "kavlan-5": "2001:660:4406:785:1:1::16",
+      "kavlan-6": "2001:660:4406:786:1:1::16",
+      "kavlan-7": "2001:660:4406:787:1:1::16",
+      "kavlan-8": "2001:660:4406:788:1:1::16",
+      "kavlan-9": "2001:660:4406:789:1:1::16"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:1:1::16",
       "kavlan": true,
       "mac": "ec:f4:bb:d1:04:1a",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-23.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-23.json
index 821af033206b2c3c0406a3e61ed78201d6721bcb..d13b37dfdac8de5eb9b605c055254d1e9382dc2b 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-23.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-23.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.70.23"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:1::17",
+      "kavlan-11": "2001:660:4406:78b:1::17",
+      "kavlan-12": "2001:660:4406:78c:1::17",
+      "kavlan-13": "2001:660:4406:78d:1::17",
+      "kavlan-14": "2001:660:4406:78e:1::17",
+      "kavlan-16": "2001:660:4406:790:1::17",
+      "kavlan-18": "2001:660:4406:792:1::17",
+      "kavlan-2": "2001:660:4406:782:1::17",
+      "kavlan-20": "2001:660:4406:794:1::17",
+      "kavlan-21": "2001:660:4406:795:1::17",
+      "kavlan-3": "2001:660:4406:783:1::17",
+      "kavlan-4": "2001:660:4406:784:1::17",
+      "kavlan-5": "2001:660:4406:785:1::17",
+      "kavlan-6": "2001:660:4406:786:1::17",
+      "kavlan-7": "2001:660:4406:787:1::17",
+      "kavlan-8": "2001:660:4406:788:1::17",
+      "kavlan-9": "2001:660:4406:789:1::17"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:1:1::17",
+      "kavlan-11": "2001:660:4406:78b:1:1::17",
+      "kavlan-12": "2001:660:4406:78c:1:1::17",
+      "kavlan-13": "2001:660:4406:78d:1:1::17",
+      "kavlan-14": "2001:660:4406:78e:1:1::17",
+      "kavlan-16": "2001:660:4406:790:1:1::17",
+      "kavlan-18": "2001:660:4406:792:1:1::17",
+      "kavlan-2": "2001:660:4406:782:1:1::17",
+      "kavlan-20": "2001:660:4406:794:1:1::17",
+      "kavlan-21": "2001:660:4406:795:1:1::17",
+      "kavlan-3": "2001:660:4406:783:1:1::17",
+      "kavlan-4": "2001:660:4406:784:1:1::17",
+      "kavlan-5": "2001:660:4406:785:1:1::17",
+      "kavlan-6": "2001:660:4406:786:1:1::17",
+      "kavlan-7": "2001:660:4406:787:1:1::17",
+      "kavlan-8": "2001:660:4406:788:1:1::17",
+      "kavlan-9": "2001:660:4406:789:1:1::17"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:1:1::17",
       "kavlan": true,
       "mac": "ec:f4:bb:d1:02:22",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-24.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-24.json
index cecb1e6a98e6edf1c9a43e178748985f165a5f96..faa8ad069b0dea613455c04b5467fca01f2a069a 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-24.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-24.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.70.24"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:1::18",
+      "kavlan-11": "2001:660:4406:78b:1::18",
+      "kavlan-12": "2001:660:4406:78c:1::18",
+      "kavlan-13": "2001:660:4406:78d:1::18",
+      "kavlan-14": "2001:660:4406:78e:1::18",
+      "kavlan-16": "2001:660:4406:790:1::18",
+      "kavlan-18": "2001:660:4406:792:1::18",
+      "kavlan-2": "2001:660:4406:782:1::18",
+      "kavlan-20": "2001:660:4406:794:1::18",
+      "kavlan-21": "2001:660:4406:795:1::18",
+      "kavlan-3": "2001:660:4406:783:1::18",
+      "kavlan-4": "2001:660:4406:784:1::18",
+      "kavlan-5": "2001:660:4406:785:1::18",
+      "kavlan-6": "2001:660:4406:786:1::18",
+      "kavlan-7": "2001:660:4406:787:1::18",
+      "kavlan-8": "2001:660:4406:788:1::18",
+      "kavlan-9": "2001:660:4406:789:1::18"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:1:1::18",
+      "kavlan-11": "2001:660:4406:78b:1:1::18",
+      "kavlan-12": "2001:660:4406:78c:1:1::18",
+      "kavlan-13": "2001:660:4406:78d:1:1::18",
+      "kavlan-14": "2001:660:4406:78e:1:1::18",
+      "kavlan-16": "2001:660:4406:790:1:1::18",
+      "kavlan-18": "2001:660:4406:792:1:1::18",
+      "kavlan-2": "2001:660:4406:782:1:1::18",
+      "kavlan-20": "2001:660:4406:794:1:1::18",
+      "kavlan-21": "2001:660:4406:795:1:1::18",
+      "kavlan-3": "2001:660:4406:783:1:1::18",
+      "kavlan-4": "2001:660:4406:784:1:1::18",
+      "kavlan-5": "2001:660:4406:785:1:1::18",
+      "kavlan-6": "2001:660:4406:786:1:1::18",
+      "kavlan-7": "2001:660:4406:787:1:1::18",
+      "kavlan-8": "2001:660:4406:788:1:1::18",
+      "kavlan-9": "2001:660:4406:789:1:1::18"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:1:1::18",
       "kavlan": true,
       "mac": "ec:f4:bb:d0:f6:ea",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-25.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-25.json
index 6b7fe1330f19979e5273c357ab784becec2ca051..519d7da368fde7d6c23af96eded939d1ecdfec11 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-25.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-25.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.70.25"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:1::19",
+      "kavlan-11": "2001:660:4406:78b:1::19",
+      "kavlan-12": "2001:660:4406:78c:1::19",
+      "kavlan-13": "2001:660:4406:78d:1::19",
+      "kavlan-14": "2001:660:4406:78e:1::19",
+      "kavlan-16": "2001:660:4406:790:1::19",
+      "kavlan-18": "2001:660:4406:792:1::19",
+      "kavlan-2": "2001:660:4406:782:1::19",
+      "kavlan-20": "2001:660:4406:794:1::19",
+      "kavlan-21": "2001:660:4406:795:1::19",
+      "kavlan-3": "2001:660:4406:783:1::19",
+      "kavlan-4": "2001:660:4406:784:1::19",
+      "kavlan-5": "2001:660:4406:785:1::19",
+      "kavlan-6": "2001:660:4406:786:1::19",
+      "kavlan-7": "2001:660:4406:787:1::19",
+      "kavlan-8": "2001:660:4406:788:1::19",
+      "kavlan-9": "2001:660:4406:789:1::19"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:1:1::19",
+      "kavlan-11": "2001:660:4406:78b:1:1::19",
+      "kavlan-12": "2001:660:4406:78c:1:1::19",
+      "kavlan-13": "2001:660:4406:78d:1:1::19",
+      "kavlan-14": "2001:660:4406:78e:1:1::19",
+      "kavlan-16": "2001:660:4406:790:1:1::19",
+      "kavlan-18": "2001:660:4406:792:1:1::19",
+      "kavlan-2": "2001:660:4406:782:1:1::19",
+      "kavlan-20": "2001:660:4406:794:1:1::19",
+      "kavlan-21": "2001:660:4406:795:1:1::19",
+      "kavlan-3": "2001:660:4406:783:1:1::19",
+      "kavlan-4": "2001:660:4406:784:1:1::19",
+      "kavlan-5": "2001:660:4406:785:1:1::19",
+      "kavlan-6": "2001:660:4406:786:1:1::19",
+      "kavlan-7": "2001:660:4406:787:1:1::19",
+      "kavlan-8": "2001:660:4406:788:1:1::19",
+      "kavlan-9": "2001:660:4406:789:1:1::19"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:1:1::19",
       "kavlan": true,
       "mac": "ec:f4:bb:d1:02:1a",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-26.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-26.json
index 47bc9fa235ce84318976133f23e84d4894fe46c0..9a0e55aeb3ccf4f26ad8390a56a21e073290623f 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-26.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-26.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.70.26"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:1::1a",
+      "kavlan-11": "2001:660:4406:78b:1::1a",
+      "kavlan-12": "2001:660:4406:78c:1::1a",
+      "kavlan-13": "2001:660:4406:78d:1::1a",
+      "kavlan-14": "2001:660:4406:78e:1::1a",
+      "kavlan-16": "2001:660:4406:790:1::1a",
+      "kavlan-18": "2001:660:4406:792:1::1a",
+      "kavlan-2": "2001:660:4406:782:1::1a",
+      "kavlan-20": "2001:660:4406:794:1::1a",
+      "kavlan-21": "2001:660:4406:795:1::1a",
+      "kavlan-3": "2001:660:4406:783:1::1a",
+      "kavlan-4": "2001:660:4406:784:1::1a",
+      "kavlan-5": "2001:660:4406:785:1::1a",
+      "kavlan-6": "2001:660:4406:786:1::1a",
+      "kavlan-7": "2001:660:4406:787:1::1a",
+      "kavlan-8": "2001:660:4406:788:1::1a",
+      "kavlan-9": "2001:660:4406:789:1::1a"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:1:1::1a",
+      "kavlan-11": "2001:660:4406:78b:1:1::1a",
+      "kavlan-12": "2001:660:4406:78c:1:1::1a",
+      "kavlan-13": "2001:660:4406:78d:1:1::1a",
+      "kavlan-14": "2001:660:4406:78e:1:1::1a",
+      "kavlan-16": "2001:660:4406:790:1:1::1a",
+      "kavlan-18": "2001:660:4406:792:1:1::1a",
+      "kavlan-2": "2001:660:4406:782:1:1::1a",
+      "kavlan-20": "2001:660:4406:794:1:1::1a",
+      "kavlan-21": "2001:660:4406:795:1:1::1a",
+      "kavlan-3": "2001:660:4406:783:1:1::1a",
+      "kavlan-4": "2001:660:4406:784:1:1::1a",
+      "kavlan-5": "2001:660:4406:785:1:1::1a",
+      "kavlan-6": "2001:660:4406:786:1:1::1a",
+      "kavlan-7": "2001:660:4406:787:1:1::1a",
+      "kavlan-8": "2001:660:4406:788:1:1::1a",
+      "kavlan-9": "2001:660:4406:789:1:1::1a"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:1:1::1a",
       "kavlan": true,
       "mac": "ec:f4:bb:d1:06:e2",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-27.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-27.json
index 3ceb4fc8c854663c9f16f4548b5998ec999da84b..50bfd61343626a8f15aaf90881218c2e3ecf41ab 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-27.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-27.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.70.27"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:1::1b",
+      "kavlan-11": "2001:660:4406:78b:1::1b",
+      "kavlan-12": "2001:660:4406:78c:1::1b",
+      "kavlan-13": "2001:660:4406:78d:1::1b",
+      "kavlan-14": "2001:660:4406:78e:1::1b",
+      "kavlan-16": "2001:660:4406:790:1::1b",
+      "kavlan-18": "2001:660:4406:792:1::1b",
+      "kavlan-2": "2001:660:4406:782:1::1b",
+      "kavlan-20": "2001:660:4406:794:1::1b",
+      "kavlan-21": "2001:660:4406:795:1::1b",
+      "kavlan-3": "2001:660:4406:783:1::1b",
+      "kavlan-4": "2001:660:4406:784:1::1b",
+      "kavlan-5": "2001:660:4406:785:1::1b",
+      "kavlan-6": "2001:660:4406:786:1::1b",
+      "kavlan-7": "2001:660:4406:787:1::1b",
+      "kavlan-8": "2001:660:4406:788:1::1b",
+      "kavlan-9": "2001:660:4406:789:1::1b"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:1:1::1b",
+      "kavlan-11": "2001:660:4406:78b:1:1::1b",
+      "kavlan-12": "2001:660:4406:78c:1:1::1b",
+      "kavlan-13": "2001:660:4406:78d:1:1::1b",
+      "kavlan-14": "2001:660:4406:78e:1:1::1b",
+      "kavlan-16": "2001:660:4406:790:1:1::1b",
+      "kavlan-18": "2001:660:4406:792:1:1::1b",
+      "kavlan-2": "2001:660:4406:782:1:1::1b",
+      "kavlan-20": "2001:660:4406:794:1:1::1b",
+      "kavlan-21": "2001:660:4406:795:1:1::1b",
+      "kavlan-3": "2001:660:4406:783:1:1::1b",
+      "kavlan-4": "2001:660:4406:784:1:1::1b",
+      "kavlan-5": "2001:660:4406:785:1:1::1b",
+      "kavlan-6": "2001:660:4406:786:1:1::1b",
+      "kavlan-7": "2001:660:4406:787:1:1::1b",
+      "kavlan-8": "2001:660:4406:788:1:1::1b",
+      "kavlan-9": "2001:660:4406:789:1:1::1b"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:1:1::1b",
       "kavlan": true,
       "mac": "ec:f4:bb:d0:f0:0a",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-28.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-28.json
index 401d279724b73aa1391662c61a4a7abcd2d24468..f374a7e7be01d260958a3f9e134fd762d3e45f6a 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-28.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-28.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.70.28"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:1::1c",
+      "kavlan-11": "2001:660:4406:78b:1::1c",
+      "kavlan-12": "2001:660:4406:78c:1::1c",
+      "kavlan-13": "2001:660:4406:78d:1::1c",
+      "kavlan-14": "2001:660:4406:78e:1::1c",
+      "kavlan-16": "2001:660:4406:790:1::1c",
+      "kavlan-18": "2001:660:4406:792:1::1c",
+      "kavlan-2": "2001:660:4406:782:1::1c",
+      "kavlan-20": "2001:660:4406:794:1::1c",
+      "kavlan-21": "2001:660:4406:795:1::1c",
+      "kavlan-3": "2001:660:4406:783:1::1c",
+      "kavlan-4": "2001:660:4406:784:1::1c",
+      "kavlan-5": "2001:660:4406:785:1::1c",
+      "kavlan-6": "2001:660:4406:786:1::1c",
+      "kavlan-7": "2001:660:4406:787:1::1c",
+      "kavlan-8": "2001:660:4406:788:1::1c",
+      "kavlan-9": "2001:660:4406:789:1::1c"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:1:1::1c",
+      "kavlan-11": "2001:660:4406:78b:1:1::1c",
+      "kavlan-12": "2001:660:4406:78c:1:1::1c",
+      "kavlan-13": "2001:660:4406:78d:1:1::1c",
+      "kavlan-14": "2001:660:4406:78e:1:1::1c",
+      "kavlan-16": "2001:660:4406:790:1:1::1c",
+      "kavlan-18": "2001:660:4406:792:1:1::1c",
+      "kavlan-2": "2001:660:4406:782:1:1::1c",
+      "kavlan-20": "2001:660:4406:794:1:1::1c",
+      "kavlan-21": "2001:660:4406:795:1:1::1c",
+      "kavlan-3": "2001:660:4406:783:1:1::1c",
+      "kavlan-4": "2001:660:4406:784:1:1::1c",
+      "kavlan-5": "2001:660:4406:785:1:1::1c",
+      "kavlan-6": "2001:660:4406:786:1:1::1c",
+      "kavlan-7": "2001:660:4406:787:1:1::1c",
+      "kavlan-8": "2001:660:4406:788:1:1::1c",
+      "kavlan-9": "2001:660:4406:789:1:1::1c"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:1:1::1c",
       "kavlan": true,
       "mac": "ec:f4:bb:d0:f9:0a",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-29.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-29.json
index a26cc8cec21f07d267f94219fde69cb6d02d1c45..102e661d1d78e5a9a83d4d24928fe90eb16ddc4b 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-29.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-29.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.70.29"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:1::1d",
+      "kavlan-11": "2001:660:4406:78b:1::1d",
+      "kavlan-12": "2001:660:4406:78c:1::1d",
+      "kavlan-13": "2001:660:4406:78d:1::1d",
+      "kavlan-14": "2001:660:4406:78e:1::1d",
+      "kavlan-16": "2001:660:4406:790:1::1d",
+      "kavlan-18": "2001:660:4406:792:1::1d",
+      "kavlan-2": "2001:660:4406:782:1::1d",
+      "kavlan-20": "2001:660:4406:794:1::1d",
+      "kavlan-21": "2001:660:4406:795:1::1d",
+      "kavlan-3": "2001:660:4406:783:1::1d",
+      "kavlan-4": "2001:660:4406:784:1::1d",
+      "kavlan-5": "2001:660:4406:785:1::1d",
+      "kavlan-6": "2001:660:4406:786:1::1d",
+      "kavlan-7": "2001:660:4406:787:1::1d",
+      "kavlan-8": "2001:660:4406:788:1::1d",
+      "kavlan-9": "2001:660:4406:789:1::1d"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:1:1::1d",
+      "kavlan-11": "2001:660:4406:78b:1:1::1d",
+      "kavlan-12": "2001:660:4406:78c:1:1::1d",
+      "kavlan-13": "2001:660:4406:78d:1:1::1d",
+      "kavlan-14": "2001:660:4406:78e:1:1::1d",
+      "kavlan-16": "2001:660:4406:790:1:1::1d",
+      "kavlan-18": "2001:660:4406:792:1:1::1d",
+      "kavlan-2": "2001:660:4406:782:1:1::1d",
+      "kavlan-20": "2001:660:4406:794:1:1::1d",
+      "kavlan-21": "2001:660:4406:795:1:1::1d",
+      "kavlan-3": "2001:660:4406:783:1:1::1d",
+      "kavlan-4": "2001:660:4406:784:1:1::1d",
+      "kavlan-5": "2001:660:4406:785:1:1::1d",
+      "kavlan-6": "2001:660:4406:786:1:1::1d",
+      "kavlan-7": "2001:660:4406:787:1:1::1d",
+      "kavlan-8": "2001:660:4406:788:1:1::1d",
+      "kavlan-9": "2001:660:4406:789:1:1::1d"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:1:1::1d",
       "kavlan": true,
       "mac": "ec:f4:bb:d0:fe:82",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-3.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-3.json
index 6f53c26f223f3995dcc8d17e1bf941d7c84de149..157134b477d9a89948e488424a716d2b8a7a7d6f 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-3.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-3.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.70.3"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:1::3",
+      "kavlan-11": "2001:660:4406:78b:1::3",
+      "kavlan-12": "2001:660:4406:78c:1::3",
+      "kavlan-13": "2001:660:4406:78d:1::3",
+      "kavlan-14": "2001:660:4406:78e:1::3",
+      "kavlan-16": "2001:660:4406:790:1::3",
+      "kavlan-18": "2001:660:4406:792:1::3",
+      "kavlan-2": "2001:660:4406:782:1::3",
+      "kavlan-20": "2001:660:4406:794:1::3",
+      "kavlan-21": "2001:660:4406:795:1::3",
+      "kavlan-3": "2001:660:4406:783:1::3",
+      "kavlan-4": "2001:660:4406:784:1::3",
+      "kavlan-5": "2001:660:4406:785:1::3",
+      "kavlan-6": "2001:660:4406:786:1::3",
+      "kavlan-7": "2001:660:4406:787:1::3",
+      "kavlan-8": "2001:660:4406:788:1::3",
+      "kavlan-9": "2001:660:4406:789:1::3"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:1:1::3",
+      "kavlan-11": "2001:660:4406:78b:1:1::3",
+      "kavlan-12": "2001:660:4406:78c:1:1::3",
+      "kavlan-13": "2001:660:4406:78d:1:1::3",
+      "kavlan-14": "2001:660:4406:78e:1:1::3",
+      "kavlan-16": "2001:660:4406:790:1:1::3",
+      "kavlan-18": "2001:660:4406:792:1:1::3",
+      "kavlan-2": "2001:660:4406:782:1:1::3",
+      "kavlan-20": "2001:660:4406:794:1:1::3",
+      "kavlan-21": "2001:660:4406:795:1:1::3",
+      "kavlan-3": "2001:660:4406:783:1:1::3",
+      "kavlan-4": "2001:660:4406:784:1:1::3",
+      "kavlan-5": "2001:660:4406:785:1:1::3",
+      "kavlan-6": "2001:660:4406:786:1:1::3",
+      "kavlan-7": "2001:660:4406:787:1:1::3",
+      "kavlan-8": "2001:660:4406:788:1:1::3",
+      "kavlan-9": "2001:660:4406:789:1:1::3"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:1:1::3",
       "kavlan": true,
       "mac": "ec:f4:bb:d0:f0:ca",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-30.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-30.json
index fb60b28bdb1f244024d3af7c47b79e4920970861..8e34db225083312d6692cdf00999853d0a746725 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-30.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-30.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.70.30"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:1::1e",
+      "kavlan-11": "2001:660:4406:78b:1::1e",
+      "kavlan-12": "2001:660:4406:78c:1::1e",
+      "kavlan-13": "2001:660:4406:78d:1::1e",
+      "kavlan-14": "2001:660:4406:78e:1::1e",
+      "kavlan-16": "2001:660:4406:790:1::1e",
+      "kavlan-18": "2001:660:4406:792:1::1e",
+      "kavlan-2": "2001:660:4406:782:1::1e",
+      "kavlan-20": "2001:660:4406:794:1::1e",
+      "kavlan-21": "2001:660:4406:795:1::1e",
+      "kavlan-3": "2001:660:4406:783:1::1e",
+      "kavlan-4": "2001:660:4406:784:1::1e",
+      "kavlan-5": "2001:660:4406:785:1::1e",
+      "kavlan-6": "2001:660:4406:786:1::1e",
+      "kavlan-7": "2001:660:4406:787:1::1e",
+      "kavlan-8": "2001:660:4406:788:1::1e",
+      "kavlan-9": "2001:660:4406:789:1::1e"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:1:1::1e",
+      "kavlan-11": "2001:660:4406:78b:1:1::1e",
+      "kavlan-12": "2001:660:4406:78c:1:1::1e",
+      "kavlan-13": "2001:660:4406:78d:1:1::1e",
+      "kavlan-14": "2001:660:4406:78e:1:1::1e",
+      "kavlan-16": "2001:660:4406:790:1:1::1e",
+      "kavlan-18": "2001:660:4406:792:1:1::1e",
+      "kavlan-2": "2001:660:4406:782:1:1::1e",
+      "kavlan-20": "2001:660:4406:794:1:1::1e",
+      "kavlan-21": "2001:660:4406:795:1:1::1e",
+      "kavlan-3": "2001:660:4406:783:1:1::1e",
+      "kavlan-4": "2001:660:4406:784:1:1::1e",
+      "kavlan-5": "2001:660:4406:785:1:1::1e",
+      "kavlan-6": "2001:660:4406:786:1:1::1e",
+      "kavlan-7": "2001:660:4406:787:1:1::1e",
+      "kavlan-8": "2001:660:4406:788:1:1::1e",
+      "kavlan-9": "2001:660:4406:789:1:1::1e"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:1:1::1e",
       "kavlan": true,
       "mac": "ec:f4:bb:d0:f5:8a",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-31.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-31.json
index a47b1c18004e4f7c41921ca51526c88d8e4d3251..83255456cf42d2fd566e1ba94ee567bc2b631ac9 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-31.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-31.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.70.31"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:1::1f",
+      "kavlan-11": "2001:660:4406:78b:1::1f",
+      "kavlan-12": "2001:660:4406:78c:1::1f",
+      "kavlan-13": "2001:660:4406:78d:1::1f",
+      "kavlan-14": "2001:660:4406:78e:1::1f",
+      "kavlan-16": "2001:660:4406:790:1::1f",
+      "kavlan-18": "2001:660:4406:792:1::1f",
+      "kavlan-2": "2001:660:4406:782:1::1f",
+      "kavlan-20": "2001:660:4406:794:1::1f",
+      "kavlan-21": "2001:660:4406:795:1::1f",
+      "kavlan-3": "2001:660:4406:783:1::1f",
+      "kavlan-4": "2001:660:4406:784:1::1f",
+      "kavlan-5": "2001:660:4406:785:1::1f",
+      "kavlan-6": "2001:660:4406:786:1::1f",
+      "kavlan-7": "2001:660:4406:787:1::1f",
+      "kavlan-8": "2001:660:4406:788:1::1f",
+      "kavlan-9": "2001:660:4406:789:1::1f"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:1:1::1f",
+      "kavlan-11": "2001:660:4406:78b:1:1::1f",
+      "kavlan-12": "2001:660:4406:78c:1:1::1f",
+      "kavlan-13": "2001:660:4406:78d:1:1::1f",
+      "kavlan-14": "2001:660:4406:78e:1:1::1f",
+      "kavlan-16": "2001:660:4406:790:1:1::1f",
+      "kavlan-18": "2001:660:4406:792:1:1::1f",
+      "kavlan-2": "2001:660:4406:782:1:1::1f",
+      "kavlan-20": "2001:660:4406:794:1:1::1f",
+      "kavlan-21": "2001:660:4406:795:1:1::1f",
+      "kavlan-3": "2001:660:4406:783:1:1::1f",
+      "kavlan-4": "2001:660:4406:784:1:1::1f",
+      "kavlan-5": "2001:660:4406:785:1:1::1f",
+      "kavlan-6": "2001:660:4406:786:1:1::1f",
+      "kavlan-7": "2001:660:4406:787:1:1::1f",
+      "kavlan-8": "2001:660:4406:788:1:1::1f",
+      "kavlan-9": "2001:660:4406:789:1:1::1f"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:1:1::1f",
       "kavlan": true,
       "mac": "ec:f4:bb:d0:f8:9a",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-32.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-32.json
index ce3737e83471d88e3e6ddbffb6d68e13e0e39b43..eaaf4116344201804deb8103a080c8fd7d8481f3 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-32.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-32.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.70.32"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:1::20",
+      "kavlan-11": "2001:660:4406:78b:1::20",
+      "kavlan-12": "2001:660:4406:78c:1::20",
+      "kavlan-13": "2001:660:4406:78d:1::20",
+      "kavlan-14": "2001:660:4406:78e:1::20",
+      "kavlan-16": "2001:660:4406:790:1::20",
+      "kavlan-18": "2001:660:4406:792:1::20",
+      "kavlan-2": "2001:660:4406:782:1::20",
+      "kavlan-20": "2001:660:4406:794:1::20",
+      "kavlan-21": "2001:660:4406:795:1::20",
+      "kavlan-3": "2001:660:4406:783:1::20",
+      "kavlan-4": "2001:660:4406:784:1::20",
+      "kavlan-5": "2001:660:4406:785:1::20",
+      "kavlan-6": "2001:660:4406:786:1::20",
+      "kavlan-7": "2001:660:4406:787:1::20",
+      "kavlan-8": "2001:660:4406:788:1::20",
+      "kavlan-9": "2001:660:4406:789:1::20"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:1:1::20",
+      "kavlan-11": "2001:660:4406:78b:1:1::20",
+      "kavlan-12": "2001:660:4406:78c:1:1::20",
+      "kavlan-13": "2001:660:4406:78d:1:1::20",
+      "kavlan-14": "2001:660:4406:78e:1:1::20",
+      "kavlan-16": "2001:660:4406:790:1:1::20",
+      "kavlan-18": "2001:660:4406:792:1:1::20",
+      "kavlan-2": "2001:660:4406:782:1:1::20",
+      "kavlan-20": "2001:660:4406:794:1:1::20",
+      "kavlan-21": "2001:660:4406:795:1:1::20",
+      "kavlan-3": "2001:660:4406:783:1:1::20",
+      "kavlan-4": "2001:660:4406:784:1:1::20",
+      "kavlan-5": "2001:660:4406:785:1:1::20",
+      "kavlan-6": "2001:660:4406:786:1:1::20",
+      "kavlan-7": "2001:660:4406:787:1:1::20",
+      "kavlan-8": "2001:660:4406:788:1:1::20",
+      "kavlan-9": "2001:660:4406:789:1:1::20"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:1:1::20",
       "kavlan": true,
       "mac": "ec:f4:bb:d1:00:f2",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-33.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-33.json
index ebc9f516c2e247bc51bf3199b2b00c0e0938b5e7..af31f63c68d586a0016de322f70bea9693563356 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-33.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-33.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.70.33"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:1::21",
+      "kavlan-11": "2001:660:4406:78b:1::21",
+      "kavlan-12": "2001:660:4406:78c:1::21",
+      "kavlan-13": "2001:660:4406:78d:1::21",
+      "kavlan-14": "2001:660:4406:78e:1::21",
+      "kavlan-16": "2001:660:4406:790:1::21",
+      "kavlan-18": "2001:660:4406:792:1::21",
+      "kavlan-2": "2001:660:4406:782:1::21",
+      "kavlan-20": "2001:660:4406:794:1::21",
+      "kavlan-21": "2001:660:4406:795:1::21",
+      "kavlan-3": "2001:660:4406:783:1::21",
+      "kavlan-4": "2001:660:4406:784:1::21",
+      "kavlan-5": "2001:660:4406:785:1::21",
+      "kavlan-6": "2001:660:4406:786:1::21",
+      "kavlan-7": "2001:660:4406:787:1::21",
+      "kavlan-8": "2001:660:4406:788:1::21",
+      "kavlan-9": "2001:660:4406:789:1::21"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:1:1::21",
+      "kavlan-11": "2001:660:4406:78b:1:1::21",
+      "kavlan-12": "2001:660:4406:78c:1:1::21",
+      "kavlan-13": "2001:660:4406:78d:1:1::21",
+      "kavlan-14": "2001:660:4406:78e:1:1::21",
+      "kavlan-16": "2001:660:4406:790:1:1::21",
+      "kavlan-18": "2001:660:4406:792:1:1::21",
+      "kavlan-2": "2001:660:4406:782:1:1::21",
+      "kavlan-20": "2001:660:4406:794:1:1::21",
+      "kavlan-21": "2001:660:4406:795:1:1::21",
+      "kavlan-3": "2001:660:4406:783:1:1::21",
+      "kavlan-4": "2001:660:4406:784:1:1::21",
+      "kavlan-5": "2001:660:4406:785:1:1::21",
+      "kavlan-6": "2001:660:4406:786:1:1::21",
+      "kavlan-7": "2001:660:4406:787:1:1::21",
+      "kavlan-8": "2001:660:4406:788:1:1::21",
+      "kavlan-9": "2001:660:4406:789:1:1::21"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:1:1::21",
       "kavlan": true,
       "mac": "ec:f4:bb:d1:04:4a",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-34.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-34.json
index 67c5761b994d6c9595e75d88b3c79c4c88cc4ed8..9949036711931df74a619c8f8d3a8ead1b3935e7 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-34.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-34.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.70.34"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:1::22",
+      "kavlan-11": "2001:660:4406:78b:1::22",
+      "kavlan-12": "2001:660:4406:78c:1::22",
+      "kavlan-13": "2001:660:4406:78d:1::22",
+      "kavlan-14": "2001:660:4406:78e:1::22",
+      "kavlan-16": "2001:660:4406:790:1::22",
+      "kavlan-18": "2001:660:4406:792:1::22",
+      "kavlan-2": "2001:660:4406:782:1::22",
+      "kavlan-20": "2001:660:4406:794:1::22",
+      "kavlan-21": "2001:660:4406:795:1::22",
+      "kavlan-3": "2001:660:4406:783:1::22",
+      "kavlan-4": "2001:660:4406:784:1::22",
+      "kavlan-5": "2001:660:4406:785:1::22",
+      "kavlan-6": "2001:660:4406:786:1::22",
+      "kavlan-7": "2001:660:4406:787:1::22",
+      "kavlan-8": "2001:660:4406:788:1::22",
+      "kavlan-9": "2001:660:4406:789:1::22"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:1:1::22",
+      "kavlan-11": "2001:660:4406:78b:1:1::22",
+      "kavlan-12": "2001:660:4406:78c:1:1::22",
+      "kavlan-13": "2001:660:4406:78d:1:1::22",
+      "kavlan-14": "2001:660:4406:78e:1:1::22",
+      "kavlan-16": "2001:660:4406:790:1:1::22",
+      "kavlan-18": "2001:660:4406:792:1:1::22",
+      "kavlan-2": "2001:660:4406:782:1:1::22",
+      "kavlan-20": "2001:660:4406:794:1:1::22",
+      "kavlan-21": "2001:660:4406:795:1:1::22",
+      "kavlan-3": "2001:660:4406:783:1:1::22",
+      "kavlan-4": "2001:660:4406:784:1:1::22",
+      "kavlan-5": "2001:660:4406:785:1:1::22",
+      "kavlan-6": "2001:660:4406:786:1:1::22",
+      "kavlan-7": "2001:660:4406:787:1:1::22",
+      "kavlan-8": "2001:660:4406:788:1:1::22",
+      "kavlan-9": "2001:660:4406:789:1:1::22"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:1:1::22",
       "kavlan": true,
       "mac": "ec:f4:bb:d0:f5:0a",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-35.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-35.json
index d6cf6975d659f6f9c52eb4e2b17bc35a1e3f8996..2281437d471d662e4f38192b748d9568bc89f8a4 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-35.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-35.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.70.35"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:1::23",
+      "kavlan-11": "2001:660:4406:78b:1::23",
+      "kavlan-12": "2001:660:4406:78c:1::23",
+      "kavlan-13": "2001:660:4406:78d:1::23",
+      "kavlan-14": "2001:660:4406:78e:1::23",
+      "kavlan-16": "2001:660:4406:790:1::23",
+      "kavlan-18": "2001:660:4406:792:1::23",
+      "kavlan-2": "2001:660:4406:782:1::23",
+      "kavlan-20": "2001:660:4406:794:1::23",
+      "kavlan-21": "2001:660:4406:795:1::23",
+      "kavlan-3": "2001:660:4406:783:1::23",
+      "kavlan-4": "2001:660:4406:784:1::23",
+      "kavlan-5": "2001:660:4406:785:1::23",
+      "kavlan-6": "2001:660:4406:786:1::23",
+      "kavlan-7": "2001:660:4406:787:1::23",
+      "kavlan-8": "2001:660:4406:788:1::23",
+      "kavlan-9": "2001:660:4406:789:1::23"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:1:1::23",
+      "kavlan-11": "2001:660:4406:78b:1:1::23",
+      "kavlan-12": "2001:660:4406:78c:1:1::23",
+      "kavlan-13": "2001:660:4406:78d:1:1::23",
+      "kavlan-14": "2001:660:4406:78e:1:1::23",
+      "kavlan-16": "2001:660:4406:790:1:1::23",
+      "kavlan-18": "2001:660:4406:792:1:1::23",
+      "kavlan-2": "2001:660:4406:782:1:1::23",
+      "kavlan-20": "2001:660:4406:794:1:1::23",
+      "kavlan-21": "2001:660:4406:795:1:1::23",
+      "kavlan-3": "2001:660:4406:783:1:1::23",
+      "kavlan-4": "2001:660:4406:784:1:1::23",
+      "kavlan-5": "2001:660:4406:785:1:1::23",
+      "kavlan-6": "2001:660:4406:786:1:1::23",
+      "kavlan-7": "2001:660:4406:787:1:1::23",
+      "kavlan-8": "2001:660:4406:788:1:1::23",
+      "kavlan-9": "2001:660:4406:789:1:1::23"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:1:1::23",
       "kavlan": true,
       "mac": "ec:f4:bb:d0:f7:c2",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-36.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-36.json
index 3602e38009dc4812a4156a9551598c54ab2d32bf..c96bb1d685fcf64e7ef9f3248921156fd1ccc872 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-36.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-36.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.70.36"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:1::24",
+      "kavlan-11": "2001:660:4406:78b:1::24",
+      "kavlan-12": "2001:660:4406:78c:1::24",
+      "kavlan-13": "2001:660:4406:78d:1::24",
+      "kavlan-14": "2001:660:4406:78e:1::24",
+      "kavlan-16": "2001:660:4406:790:1::24",
+      "kavlan-18": "2001:660:4406:792:1::24",
+      "kavlan-2": "2001:660:4406:782:1::24",
+      "kavlan-20": "2001:660:4406:794:1::24",
+      "kavlan-21": "2001:660:4406:795:1::24",
+      "kavlan-3": "2001:660:4406:783:1::24",
+      "kavlan-4": "2001:660:4406:784:1::24",
+      "kavlan-5": "2001:660:4406:785:1::24",
+      "kavlan-6": "2001:660:4406:786:1::24",
+      "kavlan-7": "2001:660:4406:787:1::24",
+      "kavlan-8": "2001:660:4406:788:1::24",
+      "kavlan-9": "2001:660:4406:789:1::24"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:1:1::24",
+      "kavlan-11": "2001:660:4406:78b:1:1::24",
+      "kavlan-12": "2001:660:4406:78c:1:1::24",
+      "kavlan-13": "2001:660:4406:78d:1:1::24",
+      "kavlan-14": "2001:660:4406:78e:1:1::24",
+      "kavlan-16": "2001:660:4406:790:1:1::24",
+      "kavlan-18": "2001:660:4406:792:1:1::24",
+      "kavlan-2": "2001:660:4406:782:1:1::24",
+      "kavlan-20": "2001:660:4406:794:1:1::24",
+      "kavlan-21": "2001:660:4406:795:1:1::24",
+      "kavlan-3": "2001:660:4406:783:1:1::24",
+      "kavlan-4": "2001:660:4406:784:1:1::24",
+      "kavlan-5": "2001:660:4406:785:1:1::24",
+      "kavlan-6": "2001:660:4406:786:1:1::24",
+      "kavlan-7": "2001:660:4406:787:1:1::24",
+      "kavlan-8": "2001:660:4406:788:1:1::24",
+      "kavlan-9": "2001:660:4406:789:1:1::24"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:1:1::24",
       "kavlan": true,
       "mac": "ec:f4:bb:d0:fe:22",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-37.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-37.json
index 38166bd0b81f07c3b1eb8f2c5866c5bedbdb98b1..a38600f2f0fad7f582c100e9041a8a266e3e4619 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-37.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-37.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.70.37"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:1::25",
+      "kavlan-11": "2001:660:4406:78b:1::25",
+      "kavlan-12": "2001:660:4406:78c:1::25",
+      "kavlan-13": "2001:660:4406:78d:1::25",
+      "kavlan-14": "2001:660:4406:78e:1::25",
+      "kavlan-16": "2001:660:4406:790:1::25",
+      "kavlan-18": "2001:660:4406:792:1::25",
+      "kavlan-2": "2001:660:4406:782:1::25",
+      "kavlan-20": "2001:660:4406:794:1::25",
+      "kavlan-21": "2001:660:4406:795:1::25",
+      "kavlan-3": "2001:660:4406:783:1::25",
+      "kavlan-4": "2001:660:4406:784:1::25",
+      "kavlan-5": "2001:660:4406:785:1::25",
+      "kavlan-6": "2001:660:4406:786:1::25",
+      "kavlan-7": "2001:660:4406:787:1::25",
+      "kavlan-8": "2001:660:4406:788:1::25",
+      "kavlan-9": "2001:660:4406:789:1::25"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:1:1::25",
+      "kavlan-11": "2001:660:4406:78b:1:1::25",
+      "kavlan-12": "2001:660:4406:78c:1:1::25",
+      "kavlan-13": "2001:660:4406:78d:1:1::25",
+      "kavlan-14": "2001:660:4406:78e:1:1::25",
+      "kavlan-16": "2001:660:4406:790:1:1::25",
+      "kavlan-18": "2001:660:4406:792:1:1::25",
+      "kavlan-2": "2001:660:4406:782:1:1::25",
+      "kavlan-20": "2001:660:4406:794:1:1::25",
+      "kavlan-21": "2001:660:4406:795:1:1::25",
+      "kavlan-3": "2001:660:4406:783:1:1::25",
+      "kavlan-4": "2001:660:4406:784:1:1::25",
+      "kavlan-5": "2001:660:4406:785:1:1::25",
+      "kavlan-6": "2001:660:4406:786:1:1::25",
+      "kavlan-7": "2001:660:4406:787:1:1::25",
+      "kavlan-8": "2001:660:4406:788:1:1::25",
+      "kavlan-9": "2001:660:4406:789:1:1::25"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:1:1::25",
       "kavlan": true,
       "mac": "ec:f4:bb:d0:f0:da",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-38.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-38.json
index de5c05e0e3677930c3338a0a6f215df01eb8728d..0043391b702f53dbd902ef25fcea1d6a0a2bfd7a 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-38.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-38.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.70.38"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:1::26",
+      "kavlan-11": "2001:660:4406:78b:1::26",
+      "kavlan-12": "2001:660:4406:78c:1::26",
+      "kavlan-13": "2001:660:4406:78d:1::26",
+      "kavlan-14": "2001:660:4406:78e:1::26",
+      "kavlan-16": "2001:660:4406:790:1::26",
+      "kavlan-18": "2001:660:4406:792:1::26",
+      "kavlan-2": "2001:660:4406:782:1::26",
+      "kavlan-20": "2001:660:4406:794:1::26",
+      "kavlan-21": "2001:660:4406:795:1::26",
+      "kavlan-3": "2001:660:4406:783:1::26",
+      "kavlan-4": "2001:660:4406:784:1::26",
+      "kavlan-5": "2001:660:4406:785:1::26",
+      "kavlan-6": "2001:660:4406:786:1::26",
+      "kavlan-7": "2001:660:4406:787:1::26",
+      "kavlan-8": "2001:660:4406:788:1::26",
+      "kavlan-9": "2001:660:4406:789:1::26"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:1:1::26",
+      "kavlan-11": "2001:660:4406:78b:1:1::26",
+      "kavlan-12": "2001:660:4406:78c:1:1::26",
+      "kavlan-13": "2001:660:4406:78d:1:1::26",
+      "kavlan-14": "2001:660:4406:78e:1:1::26",
+      "kavlan-16": "2001:660:4406:790:1:1::26",
+      "kavlan-18": "2001:660:4406:792:1:1::26",
+      "kavlan-2": "2001:660:4406:782:1:1::26",
+      "kavlan-20": "2001:660:4406:794:1:1::26",
+      "kavlan-21": "2001:660:4406:795:1:1::26",
+      "kavlan-3": "2001:660:4406:783:1:1::26",
+      "kavlan-4": "2001:660:4406:784:1:1::26",
+      "kavlan-5": "2001:660:4406:785:1:1::26",
+      "kavlan-6": "2001:660:4406:786:1:1::26",
+      "kavlan-7": "2001:660:4406:787:1:1::26",
+      "kavlan-8": "2001:660:4406:788:1:1::26",
+      "kavlan-9": "2001:660:4406:789:1:1::26"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:1:1::26",
       "kavlan": true,
       "mac": "ec:f4:bb:d0:fd:e2",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-39.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-39.json
index 914bc492920034c49380c11b16c7af20a44f98a0..a5d4d836f99156c487e41b6500e5a99d5806dfed 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-39.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-39.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.70.39"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:1::27",
+      "kavlan-11": "2001:660:4406:78b:1::27",
+      "kavlan-12": "2001:660:4406:78c:1::27",
+      "kavlan-13": "2001:660:4406:78d:1::27",
+      "kavlan-14": "2001:660:4406:78e:1::27",
+      "kavlan-16": "2001:660:4406:790:1::27",
+      "kavlan-18": "2001:660:4406:792:1::27",
+      "kavlan-2": "2001:660:4406:782:1::27",
+      "kavlan-20": "2001:660:4406:794:1::27",
+      "kavlan-21": "2001:660:4406:795:1::27",
+      "kavlan-3": "2001:660:4406:783:1::27",
+      "kavlan-4": "2001:660:4406:784:1::27",
+      "kavlan-5": "2001:660:4406:785:1::27",
+      "kavlan-6": "2001:660:4406:786:1::27",
+      "kavlan-7": "2001:660:4406:787:1::27",
+      "kavlan-8": "2001:660:4406:788:1::27",
+      "kavlan-9": "2001:660:4406:789:1::27"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:1:1::27",
+      "kavlan-11": "2001:660:4406:78b:1:1::27",
+      "kavlan-12": "2001:660:4406:78c:1:1::27",
+      "kavlan-13": "2001:660:4406:78d:1:1::27",
+      "kavlan-14": "2001:660:4406:78e:1:1::27",
+      "kavlan-16": "2001:660:4406:790:1:1::27",
+      "kavlan-18": "2001:660:4406:792:1:1::27",
+      "kavlan-2": "2001:660:4406:782:1:1::27",
+      "kavlan-20": "2001:660:4406:794:1:1::27",
+      "kavlan-21": "2001:660:4406:795:1:1::27",
+      "kavlan-3": "2001:660:4406:783:1:1::27",
+      "kavlan-4": "2001:660:4406:784:1:1::27",
+      "kavlan-5": "2001:660:4406:785:1:1::27",
+      "kavlan-6": "2001:660:4406:786:1:1::27",
+      "kavlan-7": "2001:660:4406:787:1:1::27",
+      "kavlan-8": "2001:660:4406:788:1:1::27",
+      "kavlan-9": "2001:660:4406:789:1:1::27"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:1:1::27",
       "kavlan": true,
       "mac": "ec:f4:bb:d0:ff:da",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-4.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-4.json
index 580399a9ca300b64da7034a139ded52cb75d968f..65ed88c4f28588549ead8e3f3c4282cac99a2d3c 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-4.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-4.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.70.4"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:1::4",
+      "kavlan-11": "2001:660:4406:78b:1::4",
+      "kavlan-12": "2001:660:4406:78c:1::4",
+      "kavlan-13": "2001:660:4406:78d:1::4",
+      "kavlan-14": "2001:660:4406:78e:1::4",
+      "kavlan-16": "2001:660:4406:790:1::4",
+      "kavlan-18": "2001:660:4406:792:1::4",
+      "kavlan-2": "2001:660:4406:782:1::4",
+      "kavlan-20": "2001:660:4406:794:1::4",
+      "kavlan-21": "2001:660:4406:795:1::4",
+      "kavlan-3": "2001:660:4406:783:1::4",
+      "kavlan-4": "2001:660:4406:784:1::4",
+      "kavlan-5": "2001:660:4406:785:1::4",
+      "kavlan-6": "2001:660:4406:786:1::4",
+      "kavlan-7": "2001:660:4406:787:1::4",
+      "kavlan-8": "2001:660:4406:788:1::4",
+      "kavlan-9": "2001:660:4406:789:1::4"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:1:1::4",
+      "kavlan-11": "2001:660:4406:78b:1:1::4",
+      "kavlan-12": "2001:660:4406:78c:1:1::4",
+      "kavlan-13": "2001:660:4406:78d:1:1::4",
+      "kavlan-14": "2001:660:4406:78e:1:1::4",
+      "kavlan-16": "2001:660:4406:790:1:1::4",
+      "kavlan-18": "2001:660:4406:792:1:1::4",
+      "kavlan-2": "2001:660:4406:782:1:1::4",
+      "kavlan-20": "2001:660:4406:794:1:1::4",
+      "kavlan-21": "2001:660:4406:795:1:1::4",
+      "kavlan-3": "2001:660:4406:783:1:1::4",
+      "kavlan-4": "2001:660:4406:784:1:1::4",
+      "kavlan-5": "2001:660:4406:785:1:1::4",
+      "kavlan-6": "2001:660:4406:786:1:1::4",
+      "kavlan-7": "2001:660:4406:787:1:1::4",
+      "kavlan-8": "2001:660:4406:788:1:1::4",
+      "kavlan-9": "2001:660:4406:789:1:1::4"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:1:1::4",
       "kavlan": true,
       "mac": "ec:f4:bb:d1:00:42",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-40.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-40.json
index 9c8c1e676b3a5ea29825193f9251a0cbb995810c..8d8f40e2807ffe3daadae486db731d801b444703 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-40.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-40.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.70.40"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:1::28",
+      "kavlan-11": "2001:660:4406:78b:1::28",
+      "kavlan-12": "2001:660:4406:78c:1::28",
+      "kavlan-13": "2001:660:4406:78d:1::28",
+      "kavlan-14": "2001:660:4406:78e:1::28",
+      "kavlan-16": "2001:660:4406:790:1::28",
+      "kavlan-18": "2001:660:4406:792:1::28",
+      "kavlan-2": "2001:660:4406:782:1::28",
+      "kavlan-20": "2001:660:4406:794:1::28",
+      "kavlan-21": "2001:660:4406:795:1::28",
+      "kavlan-3": "2001:660:4406:783:1::28",
+      "kavlan-4": "2001:660:4406:784:1::28",
+      "kavlan-5": "2001:660:4406:785:1::28",
+      "kavlan-6": "2001:660:4406:786:1::28",
+      "kavlan-7": "2001:660:4406:787:1::28",
+      "kavlan-8": "2001:660:4406:788:1::28",
+      "kavlan-9": "2001:660:4406:789:1::28"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:1:1::28",
+      "kavlan-11": "2001:660:4406:78b:1:1::28",
+      "kavlan-12": "2001:660:4406:78c:1:1::28",
+      "kavlan-13": "2001:660:4406:78d:1:1::28",
+      "kavlan-14": "2001:660:4406:78e:1:1::28",
+      "kavlan-16": "2001:660:4406:790:1:1::28",
+      "kavlan-18": "2001:660:4406:792:1:1::28",
+      "kavlan-2": "2001:660:4406:782:1:1::28",
+      "kavlan-20": "2001:660:4406:794:1:1::28",
+      "kavlan-21": "2001:660:4406:795:1:1::28",
+      "kavlan-3": "2001:660:4406:783:1:1::28",
+      "kavlan-4": "2001:660:4406:784:1:1::28",
+      "kavlan-5": "2001:660:4406:785:1:1::28",
+      "kavlan-6": "2001:660:4406:786:1:1::28",
+      "kavlan-7": "2001:660:4406:787:1:1::28",
+      "kavlan-8": "2001:660:4406:788:1:1::28",
+      "kavlan-9": "2001:660:4406:789:1:1::28"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:1:1::28",
       "kavlan": true,
       "mac": "ec:f4:bb:d0:f8:22",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-41.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-41.json
index 736cbebe5c248ce0bcb5b1556ec38413d2f81a1e..74bb898e30b3f0e89fb43b5cba1cacc1c1beefcb 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-41.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-41.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.70.41"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:1::29",
+      "kavlan-11": "2001:660:4406:78b:1::29",
+      "kavlan-12": "2001:660:4406:78c:1::29",
+      "kavlan-13": "2001:660:4406:78d:1::29",
+      "kavlan-14": "2001:660:4406:78e:1::29",
+      "kavlan-16": "2001:660:4406:790:1::29",
+      "kavlan-18": "2001:660:4406:792:1::29",
+      "kavlan-2": "2001:660:4406:782:1::29",
+      "kavlan-20": "2001:660:4406:794:1::29",
+      "kavlan-21": "2001:660:4406:795:1::29",
+      "kavlan-3": "2001:660:4406:783:1::29",
+      "kavlan-4": "2001:660:4406:784:1::29",
+      "kavlan-5": "2001:660:4406:785:1::29",
+      "kavlan-6": "2001:660:4406:786:1::29",
+      "kavlan-7": "2001:660:4406:787:1::29",
+      "kavlan-8": "2001:660:4406:788:1::29",
+      "kavlan-9": "2001:660:4406:789:1::29"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:1:1::29",
+      "kavlan-11": "2001:660:4406:78b:1:1::29",
+      "kavlan-12": "2001:660:4406:78c:1:1::29",
+      "kavlan-13": "2001:660:4406:78d:1:1::29",
+      "kavlan-14": "2001:660:4406:78e:1:1::29",
+      "kavlan-16": "2001:660:4406:790:1:1::29",
+      "kavlan-18": "2001:660:4406:792:1:1::29",
+      "kavlan-2": "2001:660:4406:782:1:1::29",
+      "kavlan-20": "2001:660:4406:794:1:1::29",
+      "kavlan-21": "2001:660:4406:795:1:1::29",
+      "kavlan-3": "2001:660:4406:783:1:1::29",
+      "kavlan-4": "2001:660:4406:784:1:1::29",
+      "kavlan-5": "2001:660:4406:785:1:1::29",
+      "kavlan-6": "2001:660:4406:786:1:1::29",
+      "kavlan-7": "2001:660:4406:787:1:1::29",
+      "kavlan-8": "2001:660:4406:788:1:1::29",
+      "kavlan-9": "2001:660:4406:789:1:1::29"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:1:1::29",
       "kavlan": true,
       "mac": "ec:f4:bb:d0:f0:fa",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-42.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-42.json
index 5c1781f93d50a8a33f7a87b2c05764c03f9c96ba..3da9c589b4899bbb444c210f35c1942ea580ef01 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-42.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-42.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.70.42"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:1::2a",
+      "kavlan-11": "2001:660:4406:78b:1::2a",
+      "kavlan-12": "2001:660:4406:78c:1::2a",
+      "kavlan-13": "2001:660:4406:78d:1::2a",
+      "kavlan-14": "2001:660:4406:78e:1::2a",
+      "kavlan-16": "2001:660:4406:790:1::2a",
+      "kavlan-18": "2001:660:4406:792:1::2a",
+      "kavlan-2": "2001:660:4406:782:1::2a",
+      "kavlan-20": "2001:660:4406:794:1::2a",
+      "kavlan-21": "2001:660:4406:795:1::2a",
+      "kavlan-3": "2001:660:4406:783:1::2a",
+      "kavlan-4": "2001:660:4406:784:1::2a",
+      "kavlan-5": "2001:660:4406:785:1::2a",
+      "kavlan-6": "2001:660:4406:786:1::2a",
+      "kavlan-7": "2001:660:4406:787:1::2a",
+      "kavlan-8": "2001:660:4406:788:1::2a",
+      "kavlan-9": "2001:660:4406:789:1::2a"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:1:1::2a",
+      "kavlan-11": "2001:660:4406:78b:1:1::2a",
+      "kavlan-12": "2001:660:4406:78c:1:1::2a",
+      "kavlan-13": "2001:660:4406:78d:1:1::2a",
+      "kavlan-14": "2001:660:4406:78e:1:1::2a",
+      "kavlan-16": "2001:660:4406:790:1:1::2a",
+      "kavlan-18": "2001:660:4406:792:1:1::2a",
+      "kavlan-2": "2001:660:4406:782:1:1::2a",
+      "kavlan-20": "2001:660:4406:794:1:1::2a",
+      "kavlan-21": "2001:660:4406:795:1:1::2a",
+      "kavlan-3": "2001:660:4406:783:1:1::2a",
+      "kavlan-4": "2001:660:4406:784:1:1::2a",
+      "kavlan-5": "2001:660:4406:785:1:1::2a",
+      "kavlan-6": "2001:660:4406:786:1:1::2a",
+      "kavlan-7": "2001:660:4406:787:1:1::2a",
+      "kavlan-8": "2001:660:4406:788:1:1::2a",
+      "kavlan-9": "2001:660:4406:789:1:1::2a"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:1:1::2a",
       "kavlan": true,
       "mac": "ec:f4:bb:d0:fe:d2",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-43.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-43.json
index 297bf5a58fe3f77d6261cf88c14a84e913505c49..e6095ed7a509f00a74fdff4ac7f76a0bae23bd6b 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-43.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-43.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.70.43"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:1::2b",
+      "kavlan-11": "2001:660:4406:78b:1::2b",
+      "kavlan-12": "2001:660:4406:78c:1::2b",
+      "kavlan-13": "2001:660:4406:78d:1::2b",
+      "kavlan-14": "2001:660:4406:78e:1::2b",
+      "kavlan-16": "2001:660:4406:790:1::2b",
+      "kavlan-18": "2001:660:4406:792:1::2b",
+      "kavlan-2": "2001:660:4406:782:1::2b",
+      "kavlan-20": "2001:660:4406:794:1::2b",
+      "kavlan-21": "2001:660:4406:795:1::2b",
+      "kavlan-3": "2001:660:4406:783:1::2b",
+      "kavlan-4": "2001:660:4406:784:1::2b",
+      "kavlan-5": "2001:660:4406:785:1::2b",
+      "kavlan-6": "2001:660:4406:786:1::2b",
+      "kavlan-7": "2001:660:4406:787:1::2b",
+      "kavlan-8": "2001:660:4406:788:1::2b",
+      "kavlan-9": "2001:660:4406:789:1::2b"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:1:1::2b",
+      "kavlan-11": "2001:660:4406:78b:1:1::2b",
+      "kavlan-12": "2001:660:4406:78c:1:1::2b",
+      "kavlan-13": "2001:660:4406:78d:1:1::2b",
+      "kavlan-14": "2001:660:4406:78e:1:1::2b",
+      "kavlan-16": "2001:660:4406:790:1:1::2b",
+      "kavlan-18": "2001:660:4406:792:1:1::2b",
+      "kavlan-2": "2001:660:4406:782:1:1::2b",
+      "kavlan-20": "2001:660:4406:794:1:1::2b",
+      "kavlan-21": "2001:660:4406:795:1:1::2b",
+      "kavlan-3": "2001:660:4406:783:1:1::2b",
+      "kavlan-4": "2001:660:4406:784:1:1::2b",
+      "kavlan-5": "2001:660:4406:785:1:1::2b",
+      "kavlan-6": "2001:660:4406:786:1:1::2b",
+      "kavlan-7": "2001:660:4406:787:1:1::2b",
+      "kavlan-8": "2001:660:4406:788:1:1::2b",
+      "kavlan-9": "2001:660:4406:789:1:1::2b"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:1:1::2b",
       "kavlan": true,
       "mac": "ec:f4:bb:d0:fa:3a",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-44.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-44.json
index 9a1d4abb2f7f5c3bee65ac0ba50cc51d47a82c2e..a685e01189d1bc8e0ba8b7e6c9800282b5fdd4fc 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-44.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-44.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.70.44"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:1::2c",
+      "kavlan-11": "2001:660:4406:78b:1::2c",
+      "kavlan-12": "2001:660:4406:78c:1::2c",
+      "kavlan-13": "2001:660:4406:78d:1::2c",
+      "kavlan-14": "2001:660:4406:78e:1::2c",
+      "kavlan-16": "2001:660:4406:790:1::2c",
+      "kavlan-18": "2001:660:4406:792:1::2c",
+      "kavlan-2": "2001:660:4406:782:1::2c",
+      "kavlan-20": "2001:660:4406:794:1::2c",
+      "kavlan-21": "2001:660:4406:795:1::2c",
+      "kavlan-3": "2001:660:4406:783:1::2c",
+      "kavlan-4": "2001:660:4406:784:1::2c",
+      "kavlan-5": "2001:660:4406:785:1::2c",
+      "kavlan-6": "2001:660:4406:786:1::2c",
+      "kavlan-7": "2001:660:4406:787:1::2c",
+      "kavlan-8": "2001:660:4406:788:1::2c",
+      "kavlan-9": "2001:660:4406:789:1::2c"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:1:1::2c",
+      "kavlan-11": "2001:660:4406:78b:1:1::2c",
+      "kavlan-12": "2001:660:4406:78c:1:1::2c",
+      "kavlan-13": "2001:660:4406:78d:1:1::2c",
+      "kavlan-14": "2001:660:4406:78e:1:1::2c",
+      "kavlan-16": "2001:660:4406:790:1:1::2c",
+      "kavlan-18": "2001:660:4406:792:1:1::2c",
+      "kavlan-2": "2001:660:4406:782:1:1::2c",
+      "kavlan-20": "2001:660:4406:794:1:1::2c",
+      "kavlan-21": "2001:660:4406:795:1:1::2c",
+      "kavlan-3": "2001:660:4406:783:1:1::2c",
+      "kavlan-4": "2001:660:4406:784:1:1::2c",
+      "kavlan-5": "2001:660:4406:785:1:1::2c",
+      "kavlan-6": "2001:660:4406:786:1:1::2c",
+      "kavlan-7": "2001:660:4406:787:1:1::2c",
+      "kavlan-8": "2001:660:4406:788:1:1::2c",
+      "kavlan-9": "2001:660:4406:789:1:1::2c"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:1:1::2c",
       "kavlan": true,
       "mac": "ec:f4:bb:d0:eb:52",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-45.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-45.json
index 64a250a9e94a3c3261ced8a5f8c2a136c78c5124..20fbf98f8226eac9e587047766495261ca6190ca 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-45.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-45.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.70.45"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:1::2d",
+      "kavlan-11": "2001:660:4406:78b:1::2d",
+      "kavlan-12": "2001:660:4406:78c:1::2d",
+      "kavlan-13": "2001:660:4406:78d:1::2d",
+      "kavlan-14": "2001:660:4406:78e:1::2d",
+      "kavlan-16": "2001:660:4406:790:1::2d",
+      "kavlan-18": "2001:660:4406:792:1::2d",
+      "kavlan-2": "2001:660:4406:782:1::2d",
+      "kavlan-20": "2001:660:4406:794:1::2d",
+      "kavlan-21": "2001:660:4406:795:1::2d",
+      "kavlan-3": "2001:660:4406:783:1::2d",
+      "kavlan-4": "2001:660:4406:784:1::2d",
+      "kavlan-5": "2001:660:4406:785:1::2d",
+      "kavlan-6": "2001:660:4406:786:1::2d",
+      "kavlan-7": "2001:660:4406:787:1::2d",
+      "kavlan-8": "2001:660:4406:788:1::2d",
+      "kavlan-9": "2001:660:4406:789:1::2d"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:1:1::2d",
+      "kavlan-11": "2001:660:4406:78b:1:1::2d",
+      "kavlan-12": "2001:660:4406:78c:1:1::2d",
+      "kavlan-13": "2001:660:4406:78d:1:1::2d",
+      "kavlan-14": "2001:660:4406:78e:1:1::2d",
+      "kavlan-16": "2001:660:4406:790:1:1::2d",
+      "kavlan-18": "2001:660:4406:792:1:1::2d",
+      "kavlan-2": "2001:660:4406:782:1:1::2d",
+      "kavlan-20": "2001:660:4406:794:1:1::2d",
+      "kavlan-21": "2001:660:4406:795:1:1::2d",
+      "kavlan-3": "2001:660:4406:783:1:1::2d",
+      "kavlan-4": "2001:660:4406:784:1:1::2d",
+      "kavlan-5": "2001:660:4406:785:1:1::2d",
+      "kavlan-6": "2001:660:4406:786:1:1::2d",
+      "kavlan-7": "2001:660:4406:787:1:1::2d",
+      "kavlan-8": "2001:660:4406:788:1:1::2d",
+      "kavlan-9": "2001:660:4406:789:1:1::2d"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:1:1::2d",
       "kavlan": true,
       "mac": "ec:f4:bb:d0:ee:22",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-46.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-46.json
index 712c268b0eb5d04b9fa1eb5f2de11fff92563ee8..e4de1b7190d472f0de4f06851da3878f7f6337ed 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-46.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-46.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.70.46"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:1::2e",
+      "kavlan-11": "2001:660:4406:78b:1::2e",
+      "kavlan-12": "2001:660:4406:78c:1::2e",
+      "kavlan-13": "2001:660:4406:78d:1::2e",
+      "kavlan-14": "2001:660:4406:78e:1::2e",
+      "kavlan-16": "2001:660:4406:790:1::2e",
+      "kavlan-18": "2001:660:4406:792:1::2e",
+      "kavlan-2": "2001:660:4406:782:1::2e",
+      "kavlan-20": "2001:660:4406:794:1::2e",
+      "kavlan-21": "2001:660:4406:795:1::2e",
+      "kavlan-3": "2001:660:4406:783:1::2e",
+      "kavlan-4": "2001:660:4406:784:1::2e",
+      "kavlan-5": "2001:660:4406:785:1::2e",
+      "kavlan-6": "2001:660:4406:786:1::2e",
+      "kavlan-7": "2001:660:4406:787:1::2e",
+      "kavlan-8": "2001:660:4406:788:1::2e",
+      "kavlan-9": "2001:660:4406:789:1::2e"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:1:1::2e",
+      "kavlan-11": "2001:660:4406:78b:1:1::2e",
+      "kavlan-12": "2001:660:4406:78c:1:1::2e",
+      "kavlan-13": "2001:660:4406:78d:1:1::2e",
+      "kavlan-14": "2001:660:4406:78e:1:1::2e",
+      "kavlan-16": "2001:660:4406:790:1:1::2e",
+      "kavlan-18": "2001:660:4406:792:1:1::2e",
+      "kavlan-2": "2001:660:4406:782:1:1::2e",
+      "kavlan-20": "2001:660:4406:794:1:1::2e",
+      "kavlan-21": "2001:660:4406:795:1:1::2e",
+      "kavlan-3": "2001:660:4406:783:1:1::2e",
+      "kavlan-4": "2001:660:4406:784:1:1::2e",
+      "kavlan-5": "2001:660:4406:785:1:1::2e",
+      "kavlan-6": "2001:660:4406:786:1:1::2e",
+      "kavlan-7": "2001:660:4406:787:1:1::2e",
+      "kavlan-8": "2001:660:4406:788:1:1::2e",
+      "kavlan-9": "2001:660:4406:789:1:1::2e"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:1:1::2e",
       "kavlan": true,
       "mac": "ec:f4:bb:ce:a5:62",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-47.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-47.json
index 31c3857af0830e92db86c65cbc54eef6f6fa8082..92fe33ed9abb96e2f1da02e380c7edf43144c6fd 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-47.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-47.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.70.47"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:1::2f",
+      "kavlan-11": "2001:660:4406:78b:1::2f",
+      "kavlan-12": "2001:660:4406:78c:1::2f",
+      "kavlan-13": "2001:660:4406:78d:1::2f",
+      "kavlan-14": "2001:660:4406:78e:1::2f",
+      "kavlan-16": "2001:660:4406:790:1::2f",
+      "kavlan-18": "2001:660:4406:792:1::2f",
+      "kavlan-2": "2001:660:4406:782:1::2f",
+      "kavlan-20": "2001:660:4406:794:1::2f",
+      "kavlan-21": "2001:660:4406:795:1::2f",
+      "kavlan-3": "2001:660:4406:783:1::2f",
+      "kavlan-4": "2001:660:4406:784:1::2f",
+      "kavlan-5": "2001:660:4406:785:1::2f",
+      "kavlan-6": "2001:660:4406:786:1::2f",
+      "kavlan-7": "2001:660:4406:787:1::2f",
+      "kavlan-8": "2001:660:4406:788:1::2f",
+      "kavlan-9": "2001:660:4406:789:1::2f"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:1:1::2f",
+      "kavlan-11": "2001:660:4406:78b:1:1::2f",
+      "kavlan-12": "2001:660:4406:78c:1:1::2f",
+      "kavlan-13": "2001:660:4406:78d:1:1::2f",
+      "kavlan-14": "2001:660:4406:78e:1:1::2f",
+      "kavlan-16": "2001:660:4406:790:1:1::2f",
+      "kavlan-18": "2001:660:4406:792:1:1::2f",
+      "kavlan-2": "2001:660:4406:782:1:1::2f",
+      "kavlan-20": "2001:660:4406:794:1:1::2f",
+      "kavlan-21": "2001:660:4406:795:1:1::2f",
+      "kavlan-3": "2001:660:4406:783:1:1::2f",
+      "kavlan-4": "2001:660:4406:784:1:1::2f",
+      "kavlan-5": "2001:660:4406:785:1:1::2f",
+      "kavlan-6": "2001:660:4406:786:1:1::2f",
+      "kavlan-7": "2001:660:4406:787:1:1::2f",
+      "kavlan-8": "2001:660:4406:788:1:1::2f",
+      "kavlan-9": "2001:660:4406:789:1:1::2f"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:1:1::2f",
       "kavlan": true,
       "mac": "ec:f4:bb:d1:01:9a",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-48.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-48.json
index 9f2f47cd30dad8bb24e2e8f98174522e9b6df578..667d6abf1d988aaa935c07a898a0e5e4e99e0a4b 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-48.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-48.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.70.48"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:1::30",
+      "kavlan-11": "2001:660:4406:78b:1::30",
+      "kavlan-12": "2001:660:4406:78c:1::30",
+      "kavlan-13": "2001:660:4406:78d:1::30",
+      "kavlan-14": "2001:660:4406:78e:1::30",
+      "kavlan-16": "2001:660:4406:790:1::30",
+      "kavlan-18": "2001:660:4406:792:1::30",
+      "kavlan-2": "2001:660:4406:782:1::30",
+      "kavlan-20": "2001:660:4406:794:1::30",
+      "kavlan-21": "2001:660:4406:795:1::30",
+      "kavlan-3": "2001:660:4406:783:1::30",
+      "kavlan-4": "2001:660:4406:784:1::30",
+      "kavlan-5": "2001:660:4406:785:1::30",
+      "kavlan-6": "2001:660:4406:786:1::30",
+      "kavlan-7": "2001:660:4406:787:1::30",
+      "kavlan-8": "2001:660:4406:788:1::30",
+      "kavlan-9": "2001:660:4406:789:1::30"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:1:1::30",
+      "kavlan-11": "2001:660:4406:78b:1:1::30",
+      "kavlan-12": "2001:660:4406:78c:1:1::30",
+      "kavlan-13": "2001:660:4406:78d:1:1::30",
+      "kavlan-14": "2001:660:4406:78e:1:1::30",
+      "kavlan-16": "2001:660:4406:790:1:1::30",
+      "kavlan-18": "2001:660:4406:792:1:1::30",
+      "kavlan-2": "2001:660:4406:782:1:1::30",
+      "kavlan-20": "2001:660:4406:794:1:1::30",
+      "kavlan-21": "2001:660:4406:795:1:1::30",
+      "kavlan-3": "2001:660:4406:783:1:1::30",
+      "kavlan-4": "2001:660:4406:784:1:1::30",
+      "kavlan-5": "2001:660:4406:785:1:1::30",
+      "kavlan-6": "2001:660:4406:786:1:1::30",
+      "kavlan-7": "2001:660:4406:787:1:1::30",
+      "kavlan-8": "2001:660:4406:788:1:1::30",
+      "kavlan-9": "2001:660:4406:789:1:1::30"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:1:1::30",
       "kavlan": true,
       "mac": "ec:f4:bb:d0:fb:4a",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-49.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-49.json
index 43b968caa75e78f4aa8dff1b51c2220b9a57d7f9..e2bd3cd9b99356655a74a913662feedfb2614956 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-49.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-49.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.70.49"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:1::31",
+      "kavlan-11": "2001:660:4406:78b:1::31",
+      "kavlan-12": "2001:660:4406:78c:1::31",
+      "kavlan-13": "2001:660:4406:78d:1::31",
+      "kavlan-14": "2001:660:4406:78e:1::31",
+      "kavlan-16": "2001:660:4406:790:1::31",
+      "kavlan-18": "2001:660:4406:792:1::31",
+      "kavlan-2": "2001:660:4406:782:1::31",
+      "kavlan-20": "2001:660:4406:794:1::31",
+      "kavlan-21": "2001:660:4406:795:1::31",
+      "kavlan-3": "2001:660:4406:783:1::31",
+      "kavlan-4": "2001:660:4406:784:1::31",
+      "kavlan-5": "2001:660:4406:785:1::31",
+      "kavlan-6": "2001:660:4406:786:1::31",
+      "kavlan-7": "2001:660:4406:787:1::31",
+      "kavlan-8": "2001:660:4406:788:1::31",
+      "kavlan-9": "2001:660:4406:789:1::31"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:1:1::31",
+      "kavlan-11": "2001:660:4406:78b:1:1::31",
+      "kavlan-12": "2001:660:4406:78c:1:1::31",
+      "kavlan-13": "2001:660:4406:78d:1:1::31",
+      "kavlan-14": "2001:660:4406:78e:1:1::31",
+      "kavlan-16": "2001:660:4406:790:1:1::31",
+      "kavlan-18": "2001:660:4406:792:1:1::31",
+      "kavlan-2": "2001:660:4406:782:1:1::31",
+      "kavlan-20": "2001:660:4406:794:1:1::31",
+      "kavlan-21": "2001:660:4406:795:1:1::31",
+      "kavlan-3": "2001:660:4406:783:1:1::31",
+      "kavlan-4": "2001:660:4406:784:1:1::31",
+      "kavlan-5": "2001:660:4406:785:1:1::31",
+      "kavlan-6": "2001:660:4406:786:1:1::31",
+      "kavlan-7": "2001:660:4406:787:1:1::31",
+      "kavlan-8": "2001:660:4406:788:1:1::31",
+      "kavlan-9": "2001:660:4406:789:1:1::31"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:1:1::31",
       "kavlan": true,
       "mac": "ec:f4:bb:d0:ff:d2",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-5.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-5.json
index 751f8d7fcbe7d6b16e83fcf5be61fd170a52ec73..548e1166952b8ad35a3329bfc3f652828fc8a380 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-5.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-5.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.70.5"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:1::5",
+      "kavlan-11": "2001:660:4406:78b:1::5",
+      "kavlan-12": "2001:660:4406:78c:1::5",
+      "kavlan-13": "2001:660:4406:78d:1::5",
+      "kavlan-14": "2001:660:4406:78e:1::5",
+      "kavlan-16": "2001:660:4406:790:1::5",
+      "kavlan-18": "2001:660:4406:792:1::5",
+      "kavlan-2": "2001:660:4406:782:1::5",
+      "kavlan-20": "2001:660:4406:794:1::5",
+      "kavlan-21": "2001:660:4406:795:1::5",
+      "kavlan-3": "2001:660:4406:783:1::5",
+      "kavlan-4": "2001:660:4406:784:1::5",
+      "kavlan-5": "2001:660:4406:785:1::5",
+      "kavlan-6": "2001:660:4406:786:1::5",
+      "kavlan-7": "2001:660:4406:787:1::5",
+      "kavlan-8": "2001:660:4406:788:1::5",
+      "kavlan-9": "2001:660:4406:789:1::5"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:1:1::5",
+      "kavlan-11": "2001:660:4406:78b:1:1::5",
+      "kavlan-12": "2001:660:4406:78c:1:1::5",
+      "kavlan-13": "2001:660:4406:78d:1:1::5",
+      "kavlan-14": "2001:660:4406:78e:1:1::5",
+      "kavlan-16": "2001:660:4406:790:1:1::5",
+      "kavlan-18": "2001:660:4406:792:1:1::5",
+      "kavlan-2": "2001:660:4406:782:1:1::5",
+      "kavlan-20": "2001:660:4406:794:1:1::5",
+      "kavlan-21": "2001:660:4406:795:1:1::5",
+      "kavlan-3": "2001:660:4406:783:1:1::5",
+      "kavlan-4": "2001:660:4406:784:1:1::5",
+      "kavlan-5": "2001:660:4406:785:1:1::5",
+      "kavlan-6": "2001:660:4406:786:1:1::5",
+      "kavlan-7": "2001:660:4406:787:1:1::5",
+      "kavlan-8": "2001:660:4406:788:1:1::5",
+      "kavlan-9": "2001:660:4406:789:1:1::5"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:1:1::5",
       "kavlan": true,
       "mac": "ec:f4:bb:d1:01:6a",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-50.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-50.json
index 9cc1e092956f007274441dea37552825c82d2a6d..5f4001ec898285c3ca819bdb65107bb86b77254c 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-50.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-50.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.70.50"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:1::32",
+      "kavlan-11": "2001:660:4406:78b:1::32",
+      "kavlan-12": "2001:660:4406:78c:1::32",
+      "kavlan-13": "2001:660:4406:78d:1::32",
+      "kavlan-14": "2001:660:4406:78e:1::32",
+      "kavlan-16": "2001:660:4406:790:1::32",
+      "kavlan-18": "2001:660:4406:792:1::32",
+      "kavlan-2": "2001:660:4406:782:1::32",
+      "kavlan-20": "2001:660:4406:794:1::32",
+      "kavlan-21": "2001:660:4406:795:1::32",
+      "kavlan-3": "2001:660:4406:783:1::32",
+      "kavlan-4": "2001:660:4406:784:1::32",
+      "kavlan-5": "2001:660:4406:785:1::32",
+      "kavlan-6": "2001:660:4406:786:1::32",
+      "kavlan-7": "2001:660:4406:787:1::32",
+      "kavlan-8": "2001:660:4406:788:1::32",
+      "kavlan-9": "2001:660:4406:789:1::32"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:1:1::32",
+      "kavlan-11": "2001:660:4406:78b:1:1::32",
+      "kavlan-12": "2001:660:4406:78c:1:1::32",
+      "kavlan-13": "2001:660:4406:78d:1:1::32",
+      "kavlan-14": "2001:660:4406:78e:1:1::32",
+      "kavlan-16": "2001:660:4406:790:1:1::32",
+      "kavlan-18": "2001:660:4406:792:1:1::32",
+      "kavlan-2": "2001:660:4406:782:1:1::32",
+      "kavlan-20": "2001:660:4406:794:1:1::32",
+      "kavlan-21": "2001:660:4406:795:1:1::32",
+      "kavlan-3": "2001:660:4406:783:1:1::32",
+      "kavlan-4": "2001:660:4406:784:1:1::32",
+      "kavlan-5": "2001:660:4406:785:1:1::32",
+      "kavlan-6": "2001:660:4406:786:1:1::32",
+      "kavlan-7": "2001:660:4406:787:1:1::32",
+      "kavlan-8": "2001:660:4406:788:1:1::32",
+      "kavlan-9": "2001:660:4406:789:1:1::32"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:1:1::32",
       "kavlan": true,
       "mac": "ec:f4:bb:d1:02:5a",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-51.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-51.json
index 88e2b2c9e34a4a391b0ab16edbcc9b1eb0787d2e..6d91cf4283e39564abe1471dfa6aa0357b4f6bee 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-51.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-51.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.70.51"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:1::33",
+      "kavlan-11": "2001:660:4406:78b:1::33",
+      "kavlan-12": "2001:660:4406:78c:1::33",
+      "kavlan-13": "2001:660:4406:78d:1::33",
+      "kavlan-14": "2001:660:4406:78e:1::33",
+      "kavlan-16": "2001:660:4406:790:1::33",
+      "kavlan-18": "2001:660:4406:792:1::33",
+      "kavlan-2": "2001:660:4406:782:1::33",
+      "kavlan-20": "2001:660:4406:794:1::33",
+      "kavlan-21": "2001:660:4406:795:1::33",
+      "kavlan-3": "2001:660:4406:783:1::33",
+      "kavlan-4": "2001:660:4406:784:1::33",
+      "kavlan-5": "2001:660:4406:785:1::33",
+      "kavlan-6": "2001:660:4406:786:1::33",
+      "kavlan-7": "2001:660:4406:787:1::33",
+      "kavlan-8": "2001:660:4406:788:1::33",
+      "kavlan-9": "2001:660:4406:789:1::33"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:1:1::33",
+      "kavlan-11": "2001:660:4406:78b:1:1::33",
+      "kavlan-12": "2001:660:4406:78c:1:1::33",
+      "kavlan-13": "2001:660:4406:78d:1:1::33",
+      "kavlan-14": "2001:660:4406:78e:1:1::33",
+      "kavlan-16": "2001:660:4406:790:1:1::33",
+      "kavlan-18": "2001:660:4406:792:1:1::33",
+      "kavlan-2": "2001:660:4406:782:1:1::33",
+      "kavlan-20": "2001:660:4406:794:1:1::33",
+      "kavlan-21": "2001:660:4406:795:1:1::33",
+      "kavlan-3": "2001:660:4406:783:1:1::33",
+      "kavlan-4": "2001:660:4406:784:1:1::33",
+      "kavlan-5": "2001:660:4406:785:1:1::33",
+      "kavlan-6": "2001:660:4406:786:1:1::33",
+      "kavlan-7": "2001:660:4406:787:1:1::33",
+      "kavlan-8": "2001:660:4406:788:1:1::33",
+      "kavlan-9": "2001:660:4406:789:1:1::33"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:1:1::33",
       "kavlan": true,
       "mac": "24:6e:96:31:da:e2",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-52.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-52.json
index e3dd150b624aecec908f3dbc39119d1dc812d599..bbd0cade7af644ee663aa5a64b602ac6de2fe0b3 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-52.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-52.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.70.52"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:1::34",
+      "kavlan-11": "2001:660:4406:78b:1::34",
+      "kavlan-12": "2001:660:4406:78c:1::34",
+      "kavlan-13": "2001:660:4406:78d:1::34",
+      "kavlan-14": "2001:660:4406:78e:1::34",
+      "kavlan-16": "2001:660:4406:790:1::34",
+      "kavlan-18": "2001:660:4406:792:1::34",
+      "kavlan-2": "2001:660:4406:782:1::34",
+      "kavlan-20": "2001:660:4406:794:1::34",
+      "kavlan-21": "2001:660:4406:795:1::34",
+      "kavlan-3": "2001:660:4406:783:1::34",
+      "kavlan-4": "2001:660:4406:784:1::34",
+      "kavlan-5": "2001:660:4406:785:1::34",
+      "kavlan-6": "2001:660:4406:786:1::34",
+      "kavlan-7": "2001:660:4406:787:1::34",
+      "kavlan-8": "2001:660:4406:788:1::34",
+      "kavlan-9": "2001:660:4406:789:1::34"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:1:1::34",
+      "kavlan-11": "2001:660:4406:78b:1:1::34",
+      "kavlan-12": "2001:660:4406:78c:1:1::34",
+      "kavlan-13": "2001:660:4406:78d:1:1::34",
+      "kavlan-14": "2001:660:4406:78e:1:1::34",
+      "kavlan-16": "2001:660:4406:790:1:1::34",
+      "kavlan-18": "2001:660:4406:792:1:1::34",
+      "kavlan-2": "2001:660:4406:782:1:1::34",
+      "kavlan-20": "2001:660:4406:794:1:1::34",
+      "kavlan-21": "2001:660:4406:795:1:1::34",
+      "kavlan-3": "2001:660:4406:783:1:1::34",
+      "kavlan-4": "2001:660:4406:784:1:1::34",
+      "kavlan-5": "2001:660:4406:785:1:1::34",
+      "kavlan-6": "2001:660:4406:786:1:1::34",
+      "kavlan-7": "2001:660:4406:787:1:1::34",
+      "kavlan-8": "2001:660:4406:788:1:1::34",
+      "kavlan-9": "2001:660:4406:789:1:1::34"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:1:1::34",
       "kavlan": true,
       "mac": "ec:f4:bb:d1:02:d2",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-53.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-53.json
index f4082c9a5cc2286f3eeb652db1694f32335870fd..491a6fad143f3b99f845b4c6e2b741ef22de1dd3 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-53.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-53.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.70.53"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:1::35",
+      "kavlan-11": "2001:660:4406:78b:1::35",
+      "kavlan-12": "2001:660:4406:78c:1::35",
+      "kavlan-13": "2001:660:4406:78d:1::35",
+      "kavlan-14": "2001:660:4406:78e:1::35",
+      "kavlan-16": "2001:660:4406:790:1::35",
+      "kavlan-18": "2001:660:4406:792:1::35",
+      "kavlan-2": "2001:660:4406:782:1::35",
+      "kavlan-20": "2001:660:4406:794:1::35",
+      "kavlan-21": "2001:660:4406:795:1::35",
+      "kavlan-3": "2001:660:4406:783:1::35",
+      "kavlan-4": "2001:660:4406:784:1::35",
+      "kavlan-5": "2001:660:4406:785:1::35",
+      "kavlan-6": "2001:660:4406:786:1::35",
+      "kavlan-7": "2001:660:4406:787:1::35",
+      "kavlan-8": "2001:660:4406:788:1::35",
+      "kavlan-9": "2001:660:4406:789:1::35"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:1:1::35",
+      "kavlan-11": "2001:660:4406:78b:1:1::35",
+      "kavlan-12": "2001:660:4406:78c:1:1::35",
+      "kavlan-13": "2001:660:4406:78d:1:1::35",
+      "kavlan-14": "2001:660:4406:78e:1:1::35",
+      "kavlan-16": "2001:660:4406:790:1:1::35",
+      "kavlan-18": "2001:660:4406:792:1:1::35",
+      "kavlan-2": "2001:660:4406:782:1:1::35",
+      "kavlan-20": "2001:660:4406:794:1:1::35",
+      "kavlan-21": "2001:660:4406:795:1:1::35",
+      "kavlan-3": "2001:660:4406:783:1:1::35",
+      "kavlan-4": "2001:660:4406:784:1:1::35",
+      "kavlan-5": "2001:660:4406:785:1:1::35",
+      "kavlan-6": "2001:660:4406:786:1:1::35",
+      "kavlan-7": "2001:660:4406:787:1:1::35",
+      "kavlan-8": "2001:660:4406:788:1:1::35",
+      "kavlan-9": "2001:660:4406:789:1:1::35"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:1:1::35",
       "kavlan": true,
       "mac": "ec:f4:bb:d1:00:92",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-54.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-54.json
index a8574cab351e4bc3cabc55ced5c266b9ea9981c1..227bf798bf413f8c578acd22f484a529f84cae3f 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-54.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-54.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.70.54"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:1::36",
+      "kavlan-11": "2001:660:4406:78b:1::36",
+      "kavlan-12": "2001:660:4406:78c:1::36",
+      "kavlan-13": "2001:660:4406:78d:1::36",
+      "kavlan-14": "2001:660:4406:78e:1::36",
+      "kavlan-16": "2001:660:4406:790:1::36",
+      "kavlan-18": "2001:660:4406:792:1::36",
+      "kavlan-2": "2001:660:4406:782:1::36",
+      "kavlan-20": "2001:660:4406:794:1::36",
+      "kavlan-21": "2001:660:4406:795:1::36",
+      "kavlan-3": "2001:660:4406:783:1::36",
+      "kavlan-4": "2001:660:4406:784:1::36",
+      "kavlan-5": "2001:660:4406:785:1::36",
+      "kavlan-6": "2001:660:4406:786:1::36",
+      "kavlan-7": "2001:660:4406:787:1::36",
+      "kavlan-8": "2001:660:4406:788:1::36",
+      "kavlan-9": "2001:660:4406:789:1::36"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:1:1::36",
+      "kavlan-11": "2001:660:4406:78b:1:1::36",
+      "kavlan-12": "2001:660:4406:78c:1:1::36",
+      "kavlan-13": "2001:660:4406:78d:1:1::36",
+      "kavlan-14": "2001:660:4406:78e:1:1::36",
+      "kavlan-16": "2001:660:4406:790:1:1::36",
+      "kavlan-18": "2001:660:4406:792:1:1::36",
+      "kavlan-2": "2001:660:4406:782:1:1::36",
+      "kavlan-20": "2001:660:4406:794:1:1::36",
+      "kavlan-21": "2001:660:4406:795:1:1::36",
+      "kavlan-3": "2001:660:4406:783:1:1::36",
+      "kavlan-4": "2001:660:4406:784:1:1::36",
+      "kavlan-5": "2001:660:4406:785:1:1::36",
+      "kavlan-6": "2001:660:4406:786:1:1::36",
+      "kavlan-7": "2001:660:4406:787:1:1::36",
+      "kavlan-8": "2001:660:4406:788:1:1::36",
+      "kavlan-9": "2001:660:4406:789:1:1::36"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:1:1::36",
       "kavlan": true,
       "mac": "ec:f4:bb:d0:f7:5a",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-55.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-55.json
index 8555d050603723b96d9388f6d5297b4608c47296..d959ad3466f4e547caf89e809c9af9f07d25d18a 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-55.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-55.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.70.55"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:1::37",
+      "kavlan-11": "2001:660:4406:78b:1::37",
+      "kavlan-12": "2001:660:4406:78c:1::37",
+      "kavlan-13": "2001:660:4406:78d:1::37",
+      "kavlan-14": "2001:660:4406:78e:1::37",
+      "kavlan-16": "2001:660:4406:790:1::37",
+      "kavlan-18": "2001:660:4406:792:1::37",
+      "kavlan-2": "2001:660:4406:782:1::37",
+      "kavlan-20": "2001:660:4406:794:1::37",
+      "kavlan-21": "2001:660:4406:795:1::37",
+      "kavlan-3": "2001:660:4406:783:1::37",
+      "kavlan-4": "2001:660:4406:784:1::37",
+      "kavlan-5": "2001:660:4406:785:1::37",
+      "kavlan-6": "2001:660:4406:786:1::37",
+      "kavlan-7": "2001:660:4406:787:1::37",
+      "kavlan-8": "2001:660:4406:788:1::37",
+      "kavlan-9": "2001:660:4406:789:1::37"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:1:1::37",
+      "kavlan-11": "2001:660:4406:78b:1:1::37",
+      "kavlan-12": "2001:660:4406:78c:1:1::37",
+      "kavlan-13": "2001:660:4406:78d:1:1::37",
+      "kavlan-14": "2001:660:4406:78e:1:1::37",
+      "kavlan-16": "2001:660:4406:790:1:1::37",
+      "kavlan-18": "2001:660:4406:792:1:1::37",
+      "kavlan-2": "2001:660:4406:782:1:1::37",
+      "kavlan-20": "2001:660:4406:794:1:1::37",
+      "kavlan-21": "2001:660:4406:795:1:1::37",
+      "kavlan-3": "2001:660:4406:783:1:1::37",
+      "kavlan-4": "2001:660:4406:784:1:1::37",
+      "kavlan-5": "2001:660:4406:785:1:1::37",
+      "kavlan-6": "2001:660:4406:786:1:1::37",
+      "kavlan-7": "2001:660:4406:787:1:1::37",
+      "kavlan-8": "2001:660:4406:788:1:1::37",
+      "kavlan-9": "2001:660:4406:789:1:1::37"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:1:1::37",
       "kavlan": true,
       "mac": "ec:f4:bb:d0:f6:32",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-56.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-56.json
index 7a0fdbb4609d25350c3198cf426b291137ffacd6..ba581a119ed055d4538c446e11f25eaf7e0393dd 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-56.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-56.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.70.56"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:1::38",
+      "kavlan-11": "2001:660:4406:78b:1::38",
+      "kavlan-12": "2001:660:4406:78c:1::38",
+      "kavlan-13": "2001:660:4406:78d:1::38",
+      "kavlan-14": "2001:660:4406:78e:1::38",
+      "kavlan-16": "2001:660:4406:790:1::38",
+      "kavlan-18": "2001:660:4406:792:1::38",
+      "kavlan-2": "2001:660:4406:782:1::38",
+      "kavlan-20": "2001:660:4406:794:1::38",
+      "kavlan-21": "2001:660:4406:795:1::38",
+      "kavlan-3": "2001:660:4406:783:1::38",
+      "kavlan-4": "2001:660:4406:784:1::38",
+      "kavlan-5": "2001:660:4406:785:1::38",
+      "kavlan-6": "2001:660:4406:786:1::38",
+      "kavlan-7": "2001:660:4406:787:1::38",
+      "kavlan-8": "2001:660:4406:788:1::38",
+      "kavlan-9": "2001:660:4406:789:1::38"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:1:1::38",
+      "kavlan-11": "2001:660:4406:78b:1:1::38",
+      "kavlan-12": "2001:660:4406:78c:1:1::38",
+      "kavlan-13": "2001:660:4406:78d:1:1::38",
+      "kavlan-14": "2001:660:4406:78e:1:1::38",
+      "kavlan-16": "2001:660:4406:790:1:1::38",
+      "kavlan-18": "2001:660:4406:792:1:1::38",
+      "kavlan-2": "2001:660:4406:782:1:1::38",
+      "kavlan-20": "2001:660:4406:794:1:1::38",
+      "kavlan-21": "2001:660:4406:795:1:1::38",
+      "kavlan-3": "2001:660:4406:783:1:1::38",
+      "kavlan-4": "2001:660:4406:784:1:1::38",
+      "kavlan-5": "2001:660:4406:785:1:1::38",
+      "kavlan-6": "2001:660:4406:786:1:1::38",
+      "kavlan-7": "2001:660:4406:787:1:1::38",
+      "kavlan-8": "2001:660:4406:788:1:1::38",
+      "kavlan-9": "2001:660:4406:789:1:1::38"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:1:1::38",
       "kavlan": true,
       "mac": "ec:f4:bb:d1:00:ea",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-57.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-57.json
index b1d1b9abdbac05f79f5ff155156231954268a886..a6a0c56cc8fa68dd7ab70610bec76968d0544e68 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-57.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-57.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.70.57"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:1::39",
+      "kavlan-11": "2001:660:4406:78b:1::39",
+      "kavlan-12": "2001:660:4406:78c:1::39",
+      "kavlan-13": "2001:660:4406:78d:1::39",
+      "kavlan-14": "2001:660:4406:78e:1::39",
+      "kavlan-16": "2001:660:4406:790:1::39",
+      "kavlan-18": "2001:660:4406:792:1::39",
+      "kavlan-2": "2001:660:4406:782:1::39",
+      "kavlan-20": "2001:660:4406:794:1::39",
+      "kavlan-21": "2001:660:4406:795:1::39",
+      "kavlan-3": "2001:660:4406:783:1::39",
+      "kavlan-4": "2001:660:4406:784:1::39",
+      "kavlan-5": "2001:660:4406:785:1::39",
+      "kavlan-6": "2001:660:4406:786:1::39",
+      "kavlan-7": "2001:660:4406:787:1::39",
+      "kavlan-8": "2001:660:4406:788:1::39",
+      "kavlan-9": "2001:660:4406:789:1::39"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:1:1::39",
+      "kavlan-11": "2001:660:4406:78b:1:1::39",
+      "kavlan-12": "2001:660:4406:78c:1:1::39",
+      "kavlan-13": "2001:660:4406:78d:1:1::39",
+      "kavlan-14": "2001:660:4406:78e:1:1::39",
+      "kavlan-16": "2001:660:4406:790:1:1::39",
+      "kavlan-18": "2001:660:4406:792:1:1::39",
+      "kavlan-2": "2001:660:4406:782:1:1::39",
+      "kavlan-20": "2001:660:4406:794:1:1::39",
+      "kavlan-21": "2001:660:4406:795:1:1::39",
+      "kavlan-3": "2001:660:4406:783:1:1::39",
+      "kavlan-4": "2001:660:4406:784:1:1::39",
+      "kavlan-5": "2001:660:4406:785:1:1::39",
+      "kavlan-6": "2001:660:4406:786:1:1::39",
+      "kavlan-7": "2001:660:4406:787:1:1::39",
+      "kavlan-8": "2001:660:4406:788:1:1::39",
+      "kavlan-9": "2001:660:4406:789:1:1::39"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:1:1::39",
       "kavlan": true,
       "mac": "ec:f4:bb:d1:00:aa",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-58.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-58.json
index 35930d634bb586f9ae2251edc516fcd20880c209..9a86049ea59affb9d6b03ffb535b71e808f292c7 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-58.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-58.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.70.58"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:1::3a",
+      "kavlan-11": "2001:660:4406:78b:1::3a",
+      "kavlan-12": "2001:660:4406:78c:1::3a",
+      "kavlan-13": "2001:660:4406:78d:1::3a",
+      "kavlan-14": "2001:660:4406:78e:1::3a",
+      "kavlan-16": "2001:660:4406:790:1::3a",
+      "kavlan-18": "2001:660:4406:792:1::3a",
+      "kavlan-2": "2001:660:4406:782:1::3a",
+      "kavlan-20": "2001:660:4406:794:1::3a",
+      "kavlan-21": "2001:660:4406:795:1::3a",
+      "kavlan-3": "2001:660:4406:783:1::3a",
+      "kavlan-4": "2001:660:4406:784:1::3a",
+      "kavlan-5": "2001:660:4406:785:1::3a",
+      "kavlan-6": "2001:660:4406:786:1::3a",
+      "kavlan-7": "2001:660:4406:787:1::3a",
+      "kavlan-8": "2001:660:4406:788:1::3a",
+      "kavlan-9": "2001:660:4406:789:1::3a"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:1:1::3a",
+      "kavlan-11": "2001:660:4406:78b:1:1::3a",
+      "kavlan-12": "2001:660:4406:78c:1:1::3a",
+      "kavlan-13": "2001:660:4406:78d:1:1::3a",
+      "kavlan-14": "2001:660:4406:78e:1:1::3a",
+      "kavlan-16": "2001:660:4406:790:1:1::3a",
+      "kavlan-18": "2001:660:4406:792:1:1::3a",
+      "kavlan-2": "2001:660:4406:782:1:1::3a",
+      "kavlan-20": "2001:660:4406:794:1:1::3a",
+      "kavlan-21": "2001:660:4406:795:1:1::3a",
+      "kavlan-3": "2001:660:4406:783:1:1::3a",
+      "kavlan-4": "2001:660:4406:784:1:1::3a",
+      "kavlan-5": "2001:660:4406:785:1:1::3a",
+      "kavlan-6": "2001:660:4406:786:1:1::3a",
+      "kavlan-7": "2001:660:4406:787:1:1::3a",
+      "kavlan-8": "2001:660:4406:788:1:1::3a",
+      "kavlan-9": "2001:660:4406:789:1:1::3a"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:1:1::3a",
       "kavlan": true,
       "mac": "ec:f4:bb:d0:f7:7a",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-59.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-59.json
index 10eb8c7200742aca757d54d4095b4413873d6281..2d1dff0d74eb7f7acee55d9b4e98a45164f5e8e7 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-59.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-59.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.70.59"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:1::3b",
+      "kavlan-11": "2001:660:4406:78b:1::3b",
+      "kavlan-12": "2001:660:4406:78c:1::3b",
+      "kavlan-13": "2001:660:4406:78d:1::3b",
+      "kavlan-14": "2001:660:4406:78e:1::3b",
+      "kavlan-16": "2001:660:4406:790:1::3b",
+      "kavlan-18": "2001:660:4406:792:1::3b",
+      "kavlan-2": "2001:660:4406:782:1::3b",
+      "kavlan-20": "2001:660:4406:794:1::3b",
+      "kavlan-21": "2001:660:4406:795:1::3b",
+      "kavlan-3": "2001:660:4406:783:1::3b",
+      "kavlan-4": "2001:660:4406:784:1::3b",
+      "kavlan-5": "2001:660:4406:785:1::3b",
+      "kavlan-6": "2001:660:4406:786:1::3b",
+      "kavlan-7": "2001:660:4406:787:1::3b",
+      "kavlan-8": "2001:660:4406:788:1::3b",
+      "kavlan-9": "2001:660:4406:789:1::3b"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:1:1::3b",
+      "kavlan-11": "2001:660:4406:78b:1:1::3b",
+      "kavlan-12": "2001:660:4406:78c:1:1::3b",
+      "kavlan-13": "2001:660:4406:78d:1:1::3b",
+      "kavlan-14": "2001:660:4406:78e:1:1::3b",
+      "kavlan-16": "2001:660:4406:790:1:1::3b",
+      "kavlan-18": "2001:660:4406:792:1:1::3b",
+      "kavlan-2": "2001:660:4406:782:1:1::3b",
+      "kavlan-20": "2001:660:4406:794:1:1::3b",
+      "kavlan-21": "2001:660:4406:795:1:1::3b",
+      "kavlan-3": "2001:660:4406:783:1:1::3b",
+      "kavlan-4": "2001:660:4406:784:1:1::3b",
+      "kavlan-5": "2001:660:4406:785:1:1::3b",
+      "kavlan-6": "2001:660:4406:786:1:1::3b",
+      "kavlan-7": "2001:660:4406:787:1:1::3b",
+      "kavlan-8": "2001:660:4406:788:1:1::3b",
+      "kavlan-9": "2001:660:4406:789:1:1::3b"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:1:1::3b",
       "kavlan": true,
       "mac": "ec:f4:bb:d1:03:7a",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-6.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-6.json
index ce082a2949e8a0663c3c5cb819aa2eabfa2438c5..2cdd906d284b5ba165837e78fad674ea722d50d1 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-6.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-6.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.70.6"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:1::6",
+      "kavlan-11": "2001:660:4406:78b:1::6",
+      "kavlan-12": "2001:660:4406:78c:1::6",
+      "kavlan-13": "2001:660:4406:78d:1::6",
+      "kavlan-14": "2001:660:4406:78e:1::6",
+      "kavlan-16": "2001:660:4406:790:1::6",
+      "kavlan-18": "2001:660:4406:792:1::6",
+      "kavlan-2": "2001:660:4406:782:1::6",
+      "kavlan-20": "2001:660:4406:794:1::6",
+      "kavlan-21": "2001:660:4406:795:1::6",
+      "kavlan-3": "2001:660:4406:783:1::6",
+      "kavlan-4": "2001:660:4406:784:1::6",
+      "kavlan-5": "2001:660:4406:785:1::6",
+      "kavlan-6": "2001:660:4406:786:1::6",
+      "kavlan-7": "2001:660:4406:787:1::6",
+      "kavlan-8": "2001:660:4406:788:1::6",
+      "kavlan-9": "2001:660:4406:789:1::6"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:1:1::6",
+      "kavlan-11": "2001:660:4406:78b:1:1::6",
+      "kavlan-12": "2001:660:4406:78c:1:1::6",
+      "kavlan-13": "2001:660:4406:78d:1:1::6",
+      "kavlan-14": "2001:660:4406:78e:1:1::6",
+      "kavlan-16": "2001:660:4406:790:1:1::6",
+      "kavlan-18": "2001:660:4406:792:1:1::6",
+      "kavlan-2": "2001:660:4406:782:1:1::6",
+      "kavlan-20": "2001:660:4406:794:1:1::6",
+      "kavlan-21": "2001:660:4406:795:1:1::6",
+      "kavlan-3": "2001:660:4406:783:1:1::6",
+      "kavlan-4": "2001:660:4406:784:1:1::6",
+      "kavlan-5": "2001:660:4406:785:1:1::6",
+      "kavlan-6": "2001:660:4406:786:1:1::6",
+      "kavlan-7": "2001:660:4406:787:1:1::6",
+      "kavlan-8": "2001:660:4406:788:1:1::6",
+      "kavlan-9": "2001:660:4406:789:1:1::6"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:1:1::6",
       "kavlan": true,
       "mac": "ec:f4:bb:d0:f8:72",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-60.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-60.json
index 1e0114d0c3192edce89c7fa2018a27d4196b8a85..3e21d70cae00c18402db3fb584c4030dc6e6bb41 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-60.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-60.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.70.60"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:1::3c",
+      "kavlan-11": "2001:660:4406:78b:1::3c",
+      "kavlan-12": "2001:660:4406:78c:1::3c",
+      "kavlan-13": "2001:660:4406:78d:1::3c",
+      "kavlan-14": "2001:660:4406:78e:1::3c",
+      "kavlan-16": "2001:660:4406:790:1::3c",
+      "kavlan-18": "2001:660:4406:792:1::3c",
+      "kavlan-2": "2001:660:4406:782:1::3c",
+      "kavlan-20": "2001:660:4406:794:1::3c",
+      "kavlan-21": "2001:660:4406:795:1::3c",
+      "kavlan-3": "2001:660:4406:783:1::3c",
+      "kavlan-4": "2001:660:4406:784:1::3c",
+      "kavlan-5": "2001:660:4406:785:1::3c",
+      "kavlan-6": "2001:660:4406:786:1::3c",
+      "kavlan-7": "2001:660:4406:787:1::3c",
+      "kavlan-8": "2001:660:4406:788:1::3c",
+      "kavlan-9": "2001:660:4406:789:1::3c"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:1:1::3c",
+      "kavlan-11": "2001:660:4406:78b:1:1::3c",
+      "kavlan-12": "2001:660:4406:78c:1:1::3c",
+      "kavlan-13": "2001:660:4406:78d:1:1::3c",
+      "kavlan-14": "2001:660:4406:78e:1:1::3c",
+      "kavlan-16": "2001:660:4406:790:1:1::3c",
+      "kavlan-18": "2001:660:4406:792:1:1::3c",
+      "kavlan-2": "2001:660:4406:782:1:1::3c",
+      "kavlan-20": "2001:660:4406:794:1:1::3c",
+      "kavlan-21": "2001:660:4406:795:1:1::3c",
+      "kavlan-3": "2001:660:4406:783:1:1::3c",
+      "kavlan-4": "2001:660:4406:784:1:1::3c",
+      "kavlan-5": "2001:660:4406:785:1:1::3c",
+      "kavlan-6": "2001:660:4406:786:1:1::3c",
+      "kavlan-7": "2001:660:4406:787:1:1::3c",
+      "kavlan-8": "2001:660:4406:788:1:1::3c",
+      "kavlan-9": "2001:660:4406:789:1:1::3c"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:1:1::3c",
       "kavlan": true,
       "mac": "ec:f4:bb:d1:02:82",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-61.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-61.json
index 8382e08e9bf257e9a8a89c8efbdf1743b3be0e03..1cbf86c8068062a018f525c7e92186eff0097cb1 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-61.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-61.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.70.61"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:1::3d",
+      "kavlan-11": "2001:660:4406:78b:1::3d",
+      "kavlan-12": "2001:660:4406:78c:1::3d",
+      "kavlan-13": "2001:660:4406:78d:1::3d",
+      "kavlan-14": "2001:660:4406:78e:1::3d",
+      "kavlan-16": "2001:660:4406:790:1::3d",
+      "kavlan-18": "2001:660:4406:792:1::3d",
+      "kavlan-2": "2001:660:4406:782:1::3d",
+      "kavlan-20": "2001:660:4406:794:1::3d",
+      "kavlan-21": "2001:660:4406:795:1::3d",
+      "kavlan-3": "2001:660:4406:783:1::3d",
+      "kavlan-4": "2001:660:4406:784:1::3d",
+      "kavlan-5": "2001:660:4406:785:1::3d",
+      "kavlan-6": "2001:660:4406:786:1::3d",
+      "kavlan-7": "2001:660:4406:787:1::3d",
+      "kavlan-8": "2001:660:4406:788:1::3d",
+      "kavlan-9": "2001:660:4406:789:1::3d"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:1:1::3d",
+      "kavlan-11": "2001:660:4406:78b:1:1::3d",
+      "kavlan-12": "2001:660:4406:78c:1:1::3d",
+      "kavlan-13": "2001:660:4406:78d:1:1::3d",
+      "kavlan-14": "2001:660:4406:78e:1:1::3d",
+      "kavlan-16": "2001:660:4406:790:1:1::3d",
+      "kavlan-18": "2001:660:4406:792:1:1::3d",
+      "kavlan-2": "2001:660:4406:782:1:1::3d",
+      "kavlan-20": "2001:660:4406:794:1:1::3d",
+      "kavlan-21": "2001:660:4406:795:1:1::3d",
+      "kavlan-3": "2001:660:4406:783:1:1::3d",
+      "kavlan-4": "2001:660:4406:784:1:1::3d",
+      "kavlan-5": "2001:660:4406:785:1:1::3d",
+      "kavlan-6": "2001:660:4406:786:1:1::3d",
+      "kavlan-7": "2001:660:4406:787:1:1::3d",
+      "kavlan-8": "2001:660:4406:788:1:1::3d",
+      "kavlan-9": "2001:660:4406:789:1:1::3d"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:1:1::3d",
       "kavlan": true,
       "mac": "ec:f4:bb:d1:00:2a",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-62.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-62.json
index 33e94c1f9924beaecc1567667552574b34015ef9..f326f6f5a118125bba8f64bb72429a0003004be0 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-62.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-62.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.70.62"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:1::3e",
+      "kavlan-11": "2001:660:4406:78b:1::3e",
+      "kavlan-12": "2001:660:4406:78c:1::3e",
+      "kavlan-13": "2001:660:4406:78d:1::3e",
+      "kavlan-14": "2001:660:4406:78e:1::3e",
+      "kavlan-16": "2001:660:4406:790:1::3e",
+      "kavlan-18": "2001:660:4406:792:1::3e",
+      "kavlan-2": "2001:660:4406:782:1::3e",
+      "kavlan-20": "2001:660:4406:794:1::3e",
+      "kavlan-21": "2001:660:4406:795:1::3e",
+      "kavlan-3": "2001:660:4406:783:1::3e",
+      "kavlan-4": "2001:660:4406:784:1::3e",
+      "kavlan-5": "2001:660:4406:785:1::3e",
+      "kavlan-6": "2001:660:4406:786:1::3e",
+      "kavlan-7": "2001:660:4406:787:1::3e",
+      "kavlan-8": "2001:660:4406:788:1::3e",
+      "kavlan-9": "2001:660:4406:789:1::3e"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:1:1::3e",
+      "kavlan-11": "2001:660:4406:78b:1:1::3e",
+      "kavlan-12": "2001:660:4406:78c:1:1::3e",
+      "kavlan-13": "2001:660:4406:78d:1:1::3e",
+      "kavlan-14": "2001:660:4406:78e:1:1::3e",
+      "kavlan-16": "2001:660:4406:790:1:1::3e",
+      "kavlan-18": "2001:660:4406:792:1:1::3e",
+      "kavlan-2": "2001:660:4406:782:1:1::3e",
+      "kavlan-20": "2001:660:4406:794:1:1::3e",
+      "kavlan-21": "2001:660:4406:795:1:1::3e",
+      "kavlan-3": "2001:660:4406:783:1:1::3e",
+      "kavlan-4": "2001:660:4406:784:1:1::3e",
+      "kavlan-5": "2001:660:4406:785:1:1::3e",
+      "kavlan-6": "2001:660:4406:786:1:1::3e",
+      "kavlan-7": "2001:660:4406:787:1:1::3e",
+      "kavlan-8": "2001:660:4406:788:1:1::3e",
+      "kavlan-9": "2001:660:4406:789:1:1::3e"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:1:1::3e",
       "kavlan": true,
       "mac": "ec:f4:bb:d1:00:0a",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-63.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-63.json
index 0107338f0788896b6deb2fb2e61d1f5919b1da69..05459ec6c6f2e194c5c21c3b2925c15385d34111 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-63.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-63.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.70.63"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:1::3f",
+      "kavlan-11": "2001:660:4406:78b:1::3f",
+      "kavlan-12": "2001:660:4406:78c:1::3f",
+      "kavlan-13": "2001:660:4406:78d:1::3f",
+      "kavlan-14": "2001:660:4406:78e:1::3f",
+      "kavlan-16": "2001:660:4406:790:1::3f",
+      "kavlan-18": "2001:660:4406:792:1::3f",
+      "kavlan-2": "2001:660:4406:782:1::3f",
+      "kavlan-20": "2001:660:4406:794:1::3f",
+      "kavlan-21": "2001:660:4406:795:1::3f",
+      "kavlan-3": "2001:660:4406:783:1::3f",
+      "kavlan-4": "2001:660:4406:784:1::3f",
+      "kavlan-5": "2001:660:4406:785:1::3f",
+      "kavlan-6": "2001:660:4406:786:1::3f",
+      "kavlan-7": "2001:660:4406:787:1::3f",
+      "kavlan-8": "2001:660:4406:788:1::3f",
+      "kavlan-9": "2001:660:4406:789:1::3f"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:1:1::3f",
+      "kavlan-11": "2001:660:4406:78b:1:1::3f",
+      "kavlan-12": "2001:660:4406:78c:1:1::3f",
+      "kavlan-13": "2001:660:4406:78d:1:1::3f",
+      "kavlan-14": "2001:660:4406:78e:1:1::3f",
+      "kavlan-16": "2001:660:4406:790:1:1::3f",
+      "kavlan-18": "2001:660:4406:792:1:1::3f",
+      "kavlan-2": "2001:660:4406:782:1:1::3f",
+      "kavlan-20": "2001:660:4406:794:1:1::3f",
+      "kavlan-21": "2001:660:4406:795:1:1::3f",
+      "kavlan-3": "2001:660:4406:783:1:1::3f",
+      "kavlan-4": "2001:660:4406:784:1:1::3f",
+      "kavlan-5": "2001:660:4406:785:1:1::3f",
+      "kavlan-6": "2001:660:4406:786:1:1::3f",
+      "kavlan-7": "2001:660:4406:787:1:1::3f",
+      "kavlan-8": "2001:660:4406:788:1:1::3f",
+      "kavlan-9": "2001:660:4406:789:1:1::3f"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:1:1::3f",
       "kavlan": true,
       "mac": "ec:f4:bb:d0:cb:f2",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-64.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-64.json
index 696a1f74277a2cbbcb184d65e39e1b1f7fa2a2bd..720dc1dace8ecd1f8e88ac2bd316e3de4680e1c2 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-64.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-64.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.70.64"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:1::40",
+      "kavlan-11": "2001:660:4406:78b:1::40",
+      "kavlan-12": "2001:660:4406:78c:1::40",
+      "kavlan-13": "2001:660:4406:78d:1::40",
+      "kavlan-14": "2001:660:4406:78e:1::40",
+      "kavlan-16": "2001:660:4406:790:1::40",
+      "kavlan-18": "2001:660:4406:792:1::40",
+      "kavlan-2": "2001:660:4406:782:1::40",
+      "kavlan-20": "2001:660:4406:794:1::40",
+      "kavlan-21": "2001:660:4406:795:1::40",
+      "kavlan-3": "2001:660:4406:783:1::40",
+      "kavlan-4": "2001:660:4406:784:1::40",
+      "kavlan-5": "2001:660:4406:785:1::40",
+      "kavlan-6": "2001:660:4406:786:1::40",
+      "kavlan-7": "2001:660:4406:787:1::40",
+      "kavlan-8": "2001:660:4406:788:1::40",
+      "kavlan-9": "2001:660:4406:789:1::40"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:1:1::40",
+      "kavlan-11": "2001:660:4406:78b:1:1::40",
+      "kavlan-12": "2001:660:4406:78c:1:1::40",
+      "kavlan-13": "2001:660:4406:78d:1:1::40",
+      "kavlan-14": "2001:660:4406:78e:1:1::40",
+      "kavlan-16": "2001:660:4406:790:1:1::40",
+      "kavlan-18": "2001:660:4406:792:1:1::40",
+      "kavlan-2": "2001:660:4406:782:1:1::40",
+      "kavlan-20": "2001:660:4406:794:1:1::40",
+      "kavlan-21": "2001:660:4406:795:1:1::40",
+      "kavlan-3": "2001:660:4406:783:1:1::40",
+      "kavlan-4": "2001:660:4406:784:1:1::40",
+      "kavlan-5": "2001:660:4406:785:1:1::40",
+      "kavlan-6": "2001:660:4406:786:1:1::40",
+      "kavlan-7": "2001:660:4406:787:1:1::40",
+      "kavlan-8": "2001:660:4406:788:1:1::40",
+      "kavlan-9": "2001:660:4406:789:1:1::40"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:1:1::40",
       "kavlan": true,
       "mac": "ec:f4:bb:d1:02:2a",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-65.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-65.json
index b7fb69ee914bf763047527f852414ea93cd4acc6..a40ad484f72fda94c0e93a8540f8f26dc91f346e 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-65.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-65.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.70.65"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:1::41",
+      "kavlan-11": "2001:660:4406:78b:1::41",
+      "kavlan-12": "2001:660:4406:78c:1::41",
+      "kavlan-13": "2001:660:4406:78d:1::41",
+      "kavlan-14": "2001:660:4406:78e:1::41",
+      "kavlan-16": "2001:660:4406:790:1::41",
+      "kavlan-18": "2001:660:4406:792:1::41",
+      "kavlan-2": "2001:660:4406:782:1::41",
+      "kavlan-20": "2001:660:4406:794:1::41",
+      "kavlan-21": "2001:660:4406:795:1::41",
+      "kavlan-3": "2001:660:4406:783:1::41",
+      "kavlan-4": "2001:660:4406:784:1::41",
+      "kavlan-5": "2001:660:4406:785:1::41",
+      "kavlan-6": "2001:660:4406:786:1::41",
+      "kavlan-7": "2001:660:4406:787:1::41",
+      "kavlan-8": "2001:660:4406:788:1::41",
+      "kavlan-9": "2001:660:4406:789:1::41"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:1:1::41",
+      "kavlan-11": "2001:660:4406:78b:1:1::41",
+      "kavlan-12": "2001:660:4406:78c:1:1::41",
+      "kavlan-13": "2001:660:4406:78d:1:1::41",
+      "kavlan-14": "2001:660:4406:78e:1:1::41",
+      "kavlan-16": "2001:660:4406:790:1:1::41",
+      "kavlan-18": "2001:660:4406:792:1:1::41",
+      "kavlan-2": "2001:660:4406:782:1:1::41",
+      "kavlan-20": "2001:660:4406:794:1:1::41",
+      "kavlan-21": "2001:660:4406:795:1:1::41",
+      "kavlan-3": "2001:660:4406:783:1:1::41",
+      "kavlan-4": "2001:660:4406:784:1:1::41",
+      "kavlan-5": "2001:660:4406:785:1:1::41",
+      "kavlan-6": "2001:660:4406:786:1:1::41",
+      "kavlan-7": "2001:660:4406:787:1:1::41",
+      "kavlan-8": "2001:660:4406:788:1:1::41",
+      "kavlan-9": "2001:660:4406:789:1:1::41"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:1:1::41",
       "kavlan": true,
       "mac": "ec:f4:bb:d1:02:12",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-66.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-66.json
index a265c382fa7631a0c69341f5783dc961e2b614e3..4ba0866c90d69b89ad729d182be5b8e636061099 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-66.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-66.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.70.66"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:1::42",
+      "kavlan-11": "2001:660:4406:78b:1::42",
+      "kavlan-12": "2001:660:4406:78c:1::42",
+      "kavlan-13": "2001:660:4406:78d:1::42",
+      "kavlan-14": "2001:660:4406:78e:1::42",
+      "kavlan-16": "2001:660:4406:790:1::42",
+      "kavlan-18": "2001:660:4406:792:1::42",
+      "kavlan-2": "2001:660:4406:782:1::42",
+      "kavlan-20": "2001:660:4406:794:1::42",
+      "kavlan-21": "2001:660:4406:795:1::42",
+      "kavlan-3": "2001:660:4406:783:1::42",
+      "kavlan-4": "2001:660:4406:784:1::42",
+      "kavlan-5": "2001:660:4406:785:1::42",
+      "kavlan-6": "2001:660:4406:786:1::42",
+      "kavlan-7": "2001:660:4406:787:1::42",
+      "kavlan-8": "2001:660:4406:788:1::42",
+      "kavlan-9": "2001:660:4406:789:1::42"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:1:1::42",
+      "kavlan-11": "2001:660:4406:78b:1:1::42",
+      "kavlan-12": "2001:660:4406:78c:1:1::42",
+      "kavlan-13": "2001:660:4406:78d:1:1::42",
+      "kavlan-14": "2001:660:4406:78e:1:1::42",
+      "kavlan-16": "2001:660:4406:790:1:1::42",
+      "kavlan-18": "2001:660:4406:792:1:1::42",
+      "kavlan-2": "2001:660:4406:782:1:1::42",
+      "kavlan-20": "2001:660:4406:794:1:1::42",
+      "kavlan-21": "2001:660:4406:795:1:1::42",
+      "kavlan-3": "2001:660:4406:783:1:1::42",
+      "kavlan-4": "2001:660:4406:784:1:1::42",
+      "kavlan-5": "2001:660:4406:785:1:1::42",
+      "kavlan-6": "2001:660:4406:786:1:1::42",
+      "kavlan-7": "2001:660:4406:787:1:1::42",
+      "kavlan-8": "2001:660:4406:788:1:1::42",
+      "kavlan-9": "2001:660:4406:789:1:1::42"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:1:1::42",
       "kavlan": true,
       "mac": "ec:f4:bb:cf:74:da",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-67.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-67.json
index 92aed20d22ad6a771f5db0ad1136dcafadaf0cda..689678fdeba1ec7610a5d524baddd63a2b6bbb1b 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-67.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-67.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.70.67"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:1::43",
+      "kavlan-11": "2001:660:4406:78b:1::43",
+      "kavlan-12": "2001:660:4406:78c:1::43",
+      "kavlan-13": "2001:660:4406:78d:1::43",
+      "kavlan-14": "2001:660:4406:78e:1::43",
+      "kavlan-16": "2001:660:4406:790:1::43",
+      "kavlan-18": "2001:660:4406:792:1::43",
+      "kavlan-2": "2001:660:4406:782:1::43",
+      "kavlan-20": "2001:660:4406:794:1::43",
+      "kavlan-21": "2001:660:4406:795:1::43",
+      "kavlan-3": "2001:660:4406:783:1::43",
+      "kavlan-4": "2001:660:4406:784:1::43",
+      "kavlan-5": "2001:660:4406:785:1::43",
+      "kavlan-6": "2001:660:4406:786:1::43",
+      "kavlan-7": "2001:660:4406:787:1::43",
+      "kavlan-8": "2001:660:4406:788:1::43",
+      "kavlan-9": "2001:660:4406:789:1::43"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:1:1::43",
+      "kavlan-11": "2001:660:4406:78b:1:1::43",
+      "kavlan-12": "2001:660:4406:78c:1:1::43",
+      "kavlan-13": "2001:660:4406:78d:1:1::43",
+      "kavlan-14": "2001:660:4406:78e:1:1::43",
+      "kavlan-16": "2001:660:4406:790:1:1::43",
+      "kavlan-18": "2001:660:4406:792:1:1::43",
+      "kavlan-2": "2001:660:4406:782:1:1::43",
+      "kavlan-20": "2001:660:4406:794:1:1::43",
+      "kavlan-21": "2001:660:4406:795:1:1::43",
+      "kavlan-3": "2001:660:4406:783:1:1::43",
+      "kavlan-4": "2001:660:4406:784:1:1::43",
+      "kavlan-5": "2001:660:4406:785:1:1::43",
+      "kavlan-6": "2001:660:4406:786:1:1::43",
+      "kavlan-7": "2001:660:4406:787:1:1::43",
+      "kavlan-8": "2001:660:4406:788:1:1::43",
+      "kavlan-9": "2001:660:4406:789:1:1::43"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:1:1::43",
       "kavlan": true,
       "mac": "ec:f4:bb:d1:01:f2",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-68.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-68.json
index bf8224537c143928697fa520edb06f2343583ff1..de52648bd56db8d76387bcbb2017eb3cd73a70f2 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-68.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-68.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.70.68"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:1::44",
+      "kavlan-11": "2001:660:4406:78b:1::44",
+      "kavlan-12": "2001:660:4406:78c:1::44",
+      "kavlan-13": "2001:660:4406:78d:1::44",
+      "kavlan-14": "2001:660:4406:78e:1::44",
+      "kavlan-16": "2001:660:4406:790:1::44",
+      "kavlan-18": "2001:660:4406:792:1::44",
+      "kavlan-2": "2001:660:4406:782:1::44",
+      "kavlan-20": "2001:660:4406:794:1::44",
+      "kavlan-21": "2001:660:4406:795:1::44",
+      "kavlan-3": "2001:660:4406:783:1::44",
+      "kavlan-4": "2001:660:4406:784:1::44",
+      "kavlan-5": "2001:660:4406:785:1::44",
+      "kavlan-6": "2001:660:4406:786:1::44",
+      "kavlan-7": "2001:660:4406:787:1::44",
+      "kavlan-8": "2001:660:4406:788:1::44",
+      "kavlan-9": "2001:660:4406:789:1::44"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:1:1::44",
+      "kavlan-11": "2001:660:4406:78b:1:1::44",
+      "kavlan-12": "2001:660:4406:78c:1:1::44",
+      "kavlan-13": "2001:660:4406:78d:1:1::44",
+      "kavlan-14": "2001:660:4406:78e:1:1::44",
+      "kavlan-16": "2001:660:4406:790:1:1::44",
+      "kavlan-18": "2001:660:4406:792:1:1::44",
+      "kavlan-2": "2001:660:4406:782:1:1::44",
+      "kavlan-20": "2001:660:4406:794:1:1::44",
+      "kavlan-21": "2001:660:4406:795:1:1::44",
+      "kavlan-3": "2001:660:4406:783:1:1::44",
+      "kavlan-4": "2001:660:4406:784:1:1::44",
+      "kavlan-5": "2001:660:4406:785:1:1::44",
+      "kavlan-6": "2001:660:4406:786:1:1::44",
+      "kavlan-7": "2001:660:4406:787:1:1::44",
+      "kavlan-8": "2001:660:4406:788:1:1::44",
+      "kavlan-9": "2001:660:4406:789:1:1::44"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:1:1::44",
       "kavlan": true,
       "mac": "ec:f4:bb:d0:ff:ea",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-69.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-69.json
index 97972a833ace571b1f2e162760fb42e2bcceac4f..b41558f92d101699328aca5520ff137a872e1342 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-69.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-69.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.70.69"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:1::45",
+      "kavlan-11": "2001:660:4406:78b:1::45",
+      "kavlan-12": "2001:660:4406:78c:1::45",
+      "kavlan-13": "2001:660:4406:78d:1::45",
+      "kavlan-14": "2001:660:4406:78e:1::45",
+      "kavlan-16": "2001:660:4406:790:1::45",
+      "kavlan-18": "2001:660:4406:792:1::45",
+      "kavlan-2": "2001:660:4406:782:1::45",
+      "kavlan-20": "2001:660:4406:794:1::45",
+      "kavlan-21": "2001:660:4406:795:1::45",
+      "kavlan-3": "2001:660:4406:783:1::45",
+      "kavlan-4": "2001:660:4406:784:1::45",
+      "kavlan-5": "2001:660:4406:785:1::45",
+      "kavlan-6": "2001:660:4406:786:1::45",
+      "kavlan-7": "2001:660:4406:787:1::45",
+      "kavlan-8": "2001:660:4406:788:1::45",
+      "kavlan-9": "2001:660:4406:789:1::45"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:1:1::45",
+      "kavlan-11": "2001:660:4406:78b:1:1::45",
+      "kavlan-12": "2001:660:4406:78c:1:1::45",
+      "kavlan-13": "2001:660:4406:78d:1:1::45",
+      "kavlan-14": "2001:660:4406:78e:1:1::45",
+      "kavlan-16": "2001:660:4406:790:1:1::45",
+      "kavlan-18": "2001:660:4406:792:1:1::45",
+      "kavlan-2": "2001:660:4406:782:1:1::45",
+      "kavlan-20": "2001:660:4406:794:1:1::45",
+      "kavlan-21": "2001:660:4406:795:1:1::45",
+      "kavlan-3": "2001:660:4406:783:1:1::45",
+      "kavlan-4": "2001:660:4406:784:1:1::45",
+      "kavlan-5": "2001:660:4406:785:1:1::45",
+      "kavlan-6": "2001:660:4406:786:1:1::45",
+      "kavlan-7": "2001:660:4406:787:1:1::45",
+      "kavlan-8": "2001:660:4406:788:1:1::45",
+      "kavlan-9": "2001:660:4406:789:1:1::45"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:1:1::45",
       "kavlan": true,
       "mac": "ec:f4:bb:d1:01:12",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-7.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-7.json
index 6db3c535cbbaa4192744b745569d6b96148cd2ee..4cacdccfa5b19b5d5ad6f6ea2f0035fa6a87258b 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-7.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-7.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.70.7"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:1::7",
+      "kavlan-11": "2001:660:4406:78b:1::7",
+      "kavlan-12": "2001:660:4406:78c:1::7",
+      "kavlan-13": "2001:660:4406:78d:1::7",
+      "kavlan-14": "2001:660:4406:78e:1::7",
+      "kavlan-16": "2001:660:4406:790:1::7",
+      "kavlan-18": "2001:660:4406:792:1::7",
+      "kavlan-2": "2001:660:4406:782:1::7",
+      "kavlan-20": "2001:660:4406:794:1::7",
+      "kavlan-21": "2001:660:4406:795:1::7",
+      "kavlan-3": "2001:660:4406:783:1::7",
+      "kavlan-4": "2001:660:4406:784:1::7",
+      "kavlan-5": "2001:660:4406:785:1::7",
+      "kavlan-6": "2001:660:4406:786:1::7",
+      "kavlan-7": "2001:660:4406:787:1::7",
+      "kavlan-8": "2001:660:4406:788:1::7",
+      "kavlan-9": "2001:660:4406:789:1::7"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:1:1::7",
+      "kavlan-11": "2001:660:4406:78b:1:1::7",
+      "kavlan-12": "2001:660:4406:78c:1:1::7",
+      "kavlan-13": "2001:660:4406:78d:1:1::7",
+      "kavlan-14": "2001:660:4406:78e:1:1::7",
+      "kavlan-16": "2001:660:4406:790:1:1::7",
+      "kavlan-18": "2001:660:4406:792:1:1::7",
+      "kavlan-2": "2001:660:4406:782:1:1::7",
+      "kavlan-20": "2001:660:4406:794:1:1::7",
+      "kavlan-21": "2001:660:4406:795:1:1::7",
+      "kavlan-3": "2001:660:4406:783:1:1::7",
+      "kavlan-4": "2001:660:4406:784:1:1::7",
+      "kavlan-5": "2001:660:4406:785:1:1::7",
+      "kavlan-6": "2001:660:4406:786:1:1::7",
+      "kavlan-7": "2001:660:4406:787:1:1::7",
+      "kavlan-8": "2001:660:4406:788:1:1::7",
+      "kavlan-9": "2001:660:4406:789:1:1::7"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:1:1::7",
       "kavlan": true,
       "mac": "ec:f4:bb:d0:f4:0a",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-70.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-70.json
index 9ec6746f34004906a7acdd88b5b54d4c75c14974..138cc5195e240334e43aa30090dea878e187ed54 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-70.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-70.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.70.70"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:1::46",
+      "kavlan-11": "2001:660:4406:78b:1::46",
+      "kavlan-12": "2001:660:4406:78c:1::46",
+      "kavlan-13": "2001:660:4406:78d:1::46",
+      "kavlan-14": "2001:660:4406:78e:1::46",
+      "kavlan-16": "2001:660:4406:790:1::46",
+      "kavlan-18": "2001:660:4406:792:1::46",
+      "kavlan-2": "2001:660:4406:782:1::46",
+      "kavlan-20": "2001:660:4406:794:1::46",
+      "kavlan-21": "2001:660:4406:795:1::46",
+      "kavlan-3": "2001:660:4406:783:1::46",
+      "kavlan-4": "2001:660:4406:784:1::46",
+      "kavlan-5": "2001:660:4406:785:1::46",
+      "kavlan-6": "2001:660:4406:786:1::46",
+      "kavlan-7": "2001:660:4406:787:1::46",
+      "kavlan-8": "2001:660:4406:788:1::46",
+      "kavlan-9": "2001:660:4406:789:1::46"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:1:1::46",
+      "kavlan-11": "2001:660:4406:78b:1:1::46",
+      "kavlan-12": "2001:660:4406:78c:1:1::46",
+      "kavlan-13": "2001:660:4406:78d:1:1::46",
+      "kavlan-14": "2001:660:4406:78e:1:1::46",
+      "kavlan-16": "2001:660:4406:790:1:1::46",
+      "kavlan-18": "2001:660:4406:792:1:1::46",
+      "kavlan-2": "2001:660:4406:782:1:1::46",
+      "kavlan-20": "2001:660:4406:794:1:1::46",
+      "kavlan-21": "2001:660:4406:795:1:1::46",
+      "kavlan-3": "2001:660:4406:783:1:1::46",
+      "kavlan-4": "2001:660:4406:784:1:1::46",
+      "kavlan-5": "2001:660:4406:785:1:1::46",
+      "kavlan-6": "2001:660:4406:786:1:1::46",
+      "kavlan-7": "2001:660:4406:787:1:1::46",
+      "kavlan-8": "2001:660:4406:788:1:1::46",
+      "kavlan-9": "2001:660:4406:789:1:1::46"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:1:1::46",
       "kavlan": true,
       "mac": "ec:f4:bb:d0:ff:b2",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-71.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-71.json
index 35a53722b0c6bf4ca17cad76dec3ba70c1f1d0bd..87c9fe39f99a87688d6c8bf7bd625165baffaae8 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-71.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-71.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.70.71"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:1::47",
+      "kavlan-11": "2001:660:4406:78b:1::47",
+      "kavlan-12": "2001:660:4406:78c:1::47",
+      "kavlan-13": "2001:660:4406:78d:1::47",
+      "kavlan-14": "2001:660:4406:78e:1::47",
+      "kavlan-16": "2001:660:4406:790:1::47",
+      "kavlan-18": "2001:660:4406:792:1::47",
+      "kavlan-2": "2001:660:4406:782:1::47",
+      "kavlan-20": "2001:660:4406:794:1::47",
+      "kavlan-21": "2001:660:4406:795:1::47",
+      "kavlan-3": "2001:660:4406:783:1::47",
+      "kavlan-4": "2001:660:4406:784:1::47",
+      "kavlan-5": "2001:660:4406:785:1::47",
+      "kavlan-6": "2001:660:4406:786:1::47",
+      "kavlan-7": "2001:660:4406:787:1::47",
+      "kavlan-8": "2001:660:4406:788:1::47",
+      "kavlan-9": "2001:660:4406:789:1::47"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:1:1::47",
+      "kavlan-11": "2001:660:4406:78b:1:1::47",
+      "kavlan-12": "2001:660:4406:78c:1:1::47",
+      "kavlan-13": "2001:660:4406:78d:1:1::47",
+      "kavlan-14": "2001:660:4406:78e:1:1::47",
+      "kavlan-16": "2001:660:4406:790:1:1::47",
+      "kavlan-18": "2001:660:4406:792:1:1::47",
+      "kavlan-2": "2001:660:4406:782:1:1::47",
+      "kavlan-20": "2001:660:4406:794:1:1::47",
+      "kavlan-21": "2001:660:4406:795:1:1::47",
+      "kavlan-3": "2001:660:4406:783:1:1::47",
+      "kavlan-4": "2001:660:4406:784:1:1::47",
+      "kavlan-5": "2001:660:4406:785:1:1::47",
+      "kavlan-6": "2001:660:4406:786:1:1::47",
+      "kavlan-7": "2001:660:4406:787:1:1::47",
+      "kavlan-8": "2001:660:4406:788:1:1::47",
+      "kavlan-9": "2001:660:4406:789:1:1::47"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:1:1::47",
       "kavlan": true,
       "mac": "ec:f4:bb:d0:ff:e2",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-72.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-72.json
index 84a4f71d8fe5e6f949d854d04ae670c833fef58b..25797e611f9eb84c85e537ae9d612f6210ff80b0 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-72.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-72.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.70.72"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:1::48",
+      "kavlan-11": "2001:660:4406:78b:1::48",
+      "kavlan-12": "2001:660:4406:78c:1::48",
+      "kavlan-13": "2001:660:4406:78d:1::48",
+      "kavlan-14": "2001:660:4406:78e:1::48",
+      "kavlan-16": "2001:660:4406:790:1::48",
+      "kavlan-18": "2001:660:4406:792:1::48",
+      "kavlan-2": "2001:660:4406:782:1::48",
+      "kavlan-20": "2001:660:4406:794:1::48",
+      "kavlan-21": "2001:660:4406:795:1::48",
+      "kavlan-3": "2001:660:4406:783:1::48",
+      "kavlan-4": "2001:660:4406:784:1::48",
+      "kavlan-5": "2001:660:4406:785:1::48",
+      "kavlan-6": "2001:660:4406:786:1::48",
+      "kavlan-7": "2001:660:4406:787:1::48",
+      "kavlan-8": "2001:660:4406:788:1::48",
+      "kavlan-9": "2001:660:4406:789:1::48"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:1:1::48",
+      "kavlan-11": "2001:660:4406:78b:1:1::48",
+      "kavlan-12": "2001:660:4406:78c:1:1::48",
+      "kavlan-13": "2001:660:4406:78d:1:1::48",
+      "kavlan-14": "2001:660:4406:78e:1:1::48",
+      "kavlan-16": "2001:660:4406:790:1:1::48",
+      "kavlan-18": "2001:660:4406:792:1:1::48",
+      "kavlan-2": "2001:660:4406:782:1:1::48",
+      "kavlan-20": "2001:660:4406:794:1:1::48",
+      "kavlan-21": "2001:660:4406:795:1:1::48",
+      "kavlan-3": "2001:660:4406:783:1:1::48",
+      "kavlan-4": "2001:660:4406:784:1:1::48",
+      "kavlan-5": "2001:660:4406:785:1:1::48",
+      "kavlan-6": "2001:660:4406:786:1:1::48",
+      "kavlan-7": "2001:660:4406:787:1:1::48",
+      "kavlan-8": "2001:660:4406:788:1:1::48",
+      "kavlan-9": "2001:660:4406:789:1:1::48"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:1:1::48",
       "kavlan": true,
       "mac": "ec:f4:bb:d1:00:da",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-8.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-8.json
index 193f32ac237a1e695f242ff590a5ca5dcddbd417..5a4b3aeb06687b44ac22a55d75e77fee47b932e8 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-8.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-8.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.70.8"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:1::8",
+      "kavlan-11": "2001:660:4406:78b:1::8",
+      "kavlan-12": "2001:660:4406:78c:1::8",
+      "kavlan-13": "2001:660:4406:78d:1::8",
+      "kavlan-14": "2001:660:4406:78e:1::8",
+      "kavlan-16": "2001:660:4406:790:1::8",
+      "kavlan-18": "2001:660:4406:792:1::8",
+      "kavlan-2": "2001:660:4406:782:1::8",
+      "kavlan-20": "2001:660:4406:794:1::8",
+      "kavlan-21": "2001:660:4406:795:1::8",
+      "kavlan-3": "2001:660:4406:783:1::8",
+      "kavlan-4": "2001:660:4406:784:1::8",
+      "kavlan-5": "2001:660:4406:785:1::8",
+      "kavlan-6": "2001:660:4406:786:1::8",
+      "kavlan-7": "2001:660:4406:787:1::8",
+      "kavlan-8": "2001:660:4406:788:1::8",
+      "kavlan-9": "2001:660:4406:789:1::8"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:1:1::8",
+      "kavlan-11": "2001:660:4406:78b:1:1::8",
+      "kavlan-12": "2001:660:4406:78c:1:1::8",
+      "kavlan-13": "2001:660:4406:78d:1:1::8",
+      "kavlan-14": "2001:660:4406:78e:1:1::8",
+      "kavlan-16": "2001:660:4406:790:1:1::8",
+      "kavlan-18": "2001:660:4406:792:1:1::8",
+      "kavlan-2": "2001:660:4406:782:1:1::8",
+      "kavlan-20": "2001:660:4406:794:1:1::8",
+      "kavlan-21": "2001:660:4406:795:1:1::8",
+      "kavlan-3": "2001:660:4406:783:1:1::8",
+      "kavlan-4": "2001:660:4406:784:1:1::8",
+      "kavlan-5": "2001:660:4406:785:1:1::8",
+      "kavlan-6": "2001:660:4406:786:1:1::8",
+      "kavlan-7": "2001:660:4406:787:1:1::8",
+      "kavlan-8": "2001:660:4406:788:1:1::8",
+      "kavlan-9": "2001:660:4406:789:1:1::8"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:1:1::8",
       "kavlan": true,
       "mac": "ec:f4:bb:d1:01:82",
       "management": false,
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-9.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-9.json
index 68fbcc958a14db0868c5ddbf4419f2fe38418781..43702cb684bf77a31b9e5ac32c1a05a4e1b27b51 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-9.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-9.json
@@ -57,6 +57,46 @@
       "kavlan-9": "10.25.70.9"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:781:1::9",
+      "kavlan-11": "2001:660:4406:78b:1::9",
+      "kavlan-12": "2001:660:4406:78c:1::9",
+      "kavlan-13": "2001:660:4406:78d:1::9",
+      "kavlan-14": "2001:660:4406:78e:1::9",
+      "kavlan-16": "2001:660:4406:790:1::9",
+      "kavlan-18": "2001:660:4406:792:1::9",
+      "kavlan-2": "2001:660:4406:782:1::9",
+      "kavlan-20": "2001:660:4406:794:1::9",
+      "kavlan-21": "2001:660:4406:795:1::9",
+      "kavlan-3": "2001:660:4406:783:1::9",
+      "kavlan-4": "2001:660:4406:784:1::9",
+      "kavlan-5": "2001:660:4406:785:1::9",
+      "kavlan-6": "2001:660:4406:786:1::9",
+      "kavlan-7": "2001:660:4406:787:1::9",
+      "kavlan-8": "2001:660:4406:788:1::9",
+      "kavlan-9": "2001:660:4406:789:1::9"
+    },
+    "eth1": {
+      "kavlan-1": "2001:660:4406:781:1:1::9",
+      "kavlan-11": "2001:660:4406:78b:1:1::9",
+      "kavlan-12": "2001:660:4406:78c:1:1::9",
+      "kavlan-13": "2001:660:4406:78d:1:1::9",
+      "kavlan-14": "2001:660:4406:78e:1:1::9",
+      "kavlan-16": "2001:660:4406:790:1:1::9",
+      "kavlan-18": "2001:660:4406:792:1:1::9",
+      "kavlan-2": "2001:660:4406:782:1:1::9",
+      "kavlan-20": "2001:660:4406:794:1:1::9",
+      "kavlan-21": "2001:660:4406:795:1:1::9",
+      "kavlan-3": "2001:660:4406:783:1:1::9",
+      "kavlan-4": "2001:660:4406:784:1:1::9",
+      "kavlan-5": "2001:660:4406:785:1:1::9",
+      "kavlan-6": "2001:660:4406:786:1:1::9",
+      "kavlan-7": "2001:660:4406:787:1:1::9",
+      "kavlan-8": "2001:660:4406:788:1:1::9",
+      "kavlan-9": "2001:660:4406:789:1:1::9"
+    }
+  },
   "main_memory": {
     "ram_size": 137438953472
   },
@@ -93,6 +133,7 @@
       "enabled": true,
       "firmware_version": "0x8000095c, 19.0.12",
       "interface": "Ethernet",
+      "ip6": "2001:660:4406:700:1:1::9",
       "kavlan": true,
       "mac": "ec:f4:bb:d0:f2:2a",
       "management": false,
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-1.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-1.json
index bb0f5d725d82aa6e21afe7a0dce2949334b2ef6e..7fe955810579f6ff9954afb063617404b1af8aca 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-1.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-1.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.64.1"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:3::1",
+      "kavlan-11": "2001:660:4406:88b:3::1",
+      "kavlan-12": "2001:660:4406:88c:3::1",
+      "kavlan-13": "2001:660:4406:88d:3::1",
+      "kavlan-14": "2001:660:4406:88e:3::1",
+      "kavlan-16": "2001:660:4406:890:3::1",
+      "kavlan-18": "2001:660:4406:892:3::1",
+      "kavlan-2": "2001:660:4406:882:3::1",
+      "kavlan-20": "2001:660:4406:894:3::1",
+      "kavlan-21": "2001:660:4406:895:3::1",
+      "kavlan-3": "2001:660:4406:883:3::1",
+      "kavlan-4": "2001:660:4406:884:3::1",
+      "kavlan-5": "2001:660:4406:885:3::1",
+      "kavlan-6": "2001:660:4406:886:3::1",
+      "kavlan-7": "2001:660:4406:887:3::1",
+      "kavlan-8": "2001:660:4406:888:3::1",
+      "kavlan-9": "2001:660:4406:889:3::1"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-10.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-10.json
index a87b85559d269e0fee61c2cbb8c4cfc6f7d0f311..28483fb2132d685e78e35a736d33a010b2e142c3 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-10.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-10.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.64.10"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:3::a",
+      "kavlan-11": "2001:660:4406:88b:3::a",
+      "kavlan-12": "2001:660:4406:88c:3::a",
+      "kavlan-13": "2001:660:4406:88d:3::a",
+      "kavlan-14": "2001:660:4406:88e:3::a",
+      "kavlan-16": "2001:660:4406:890:3::a",
+      "kavlan-18": "2001:660:4406:892:3::a",
+      "kavlan-2": "2001:660:4406:882:3::a",
+      "kavlan-20": "2001:660:4406:894:3::a",
+      "kavlan-21": "2001:660:4406:895:3::a",
+      "kavlan-3": "2001:660:4406:883:3::a",
+      "kavlan-4": "2001:660:4406:884:3::a",
+      "kavlan-5": "2001:660:4406:885:3::a",
+      "kavlan-6": "2001:660:4406:886:3::a",
+      "kavlan-7": "2001:660:4406:887:3::a",
+      "kavlan-8": "2001:660:4406:888:3::a",
+      "kavlan-9": "2001:660:4406:889:3::a"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-11.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-11.json
index ea485a944523477a1a96741ed31db0ec5ffe1cb7..47af991f973cf60c5a3934f48a6c3f287807008f 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-11.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-11.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.64.11"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:3::b",
+      "kavlan-11": "2001:660:4406:88b:3::b",
+      "kavlan-12": "2001:660:4406:88c:3::b",
+      "kavlan-13": "2001:660:4406:88d:3::b",
+      "kavlan-14": "2001:660:4406:88e:3::b",
+      "kavlan-16": "2001:660:4406:890:3::b",
+      "kavlan-18": "2001:660:4406:892:3::b",
+      "kavlan-2": "2001:660:4406:882:3::b",
+      "kavlan-20": "2001:660:4406:894:3::b",
+      "kavlan-21": "2001:660:4406:895:3::b",
+      "kavlan-3": "2001:660:4406:883:3::b",
+      "kavlan-4": "2001:660:4406:884:3::b",
+      "kavlan-5": "2001:660:4406:885:3::b",
+      "kavlan-6": "2001:660:4406:886:3::b",
+      "kavlan-7": "2001:660:4406:887:3::b",
+      "kavlan-8": "2001:660:4406:888:3::b",
+      "kavlan-9": "2001:660:4406:889:3::b"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-12.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-12.json
index f65a9f6cdbb8ac5b0053676e666c1c980c8ba4fc..7ed37d21e957d23b40e6d23e85d3dfd957efea1c 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-12.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-12.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.64.12"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:3::c",
+      "kavlan-11": "2001:660:4406:88b:3::c",
+      "kavlan-12": "2001:660:4406:88c:3::c",
+      "kavlan-13": "2001:660:4406:88d:3::c",
+      "kavlan-14": "2001:660:4406:88e:3::c",
+      "kavlan-16": "2001:660:4406:890:3::c",
+      "kavlan-18": "2001:660:4406:892:3::c",
+      "kavlan-2": "2001:660:4406:882:3::c",
+      "kavlan-20": "2001:660:4406:894:3::c",
+      "kavlan-21": "2001:660:4406:895:3::c",
+      "kavlan-3": "2001:660:4406:883:3::c",
+      "kavlan-4": "2001:660:4406:884:3::c",
+      "kavlan-5": "2001:660:4406:885:3::c",
+      "kavlan-6": "2001:660:4406:886:3::c",
+      "kavlan-7": "2001:660:4406:887:3::c",
+      "kavlan-8": "2001:660:4406:888:3::c",
+      "kavlan-9": "2001:660:4406:889:3::c"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-13.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-13.json
index b0b91f62a1b44f86957738707cc64c4051dfb20b..c11a870cb9fa96cb3c0519e7ebb2c8a89bf3e877 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-13.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-13.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.64.13"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:3::d",
+      "kavlan-11": "2001:660:4406:88b:3::d",
+      "kavlan-12": "2001:660:4406:88c:3::d",
+      "kavlan-13": "2001:660:4406:88d:3::d",
+      "kavlan-14": "2001:660:4406:88e:3::d",
+      "kavlan-16": "2001:660:4406:890:3::d",
+      "kavlan-18": "2001:660:4406:892:3::d",
+      "kavlan-2": "2001:660:4406:882:3::d",
+      "kavlan-20": "2001:660:4406:894:3::d",
+      "kavlan-21": "2001:660:4406:895:3::d",
+      "kavlan-3": "2001:660:4406:883:3::d",
+      "kavlan-4": "2001:660:4406:884:3::d",
+      "kavlan-5": "2001:660:4406:885:3::d",
+      "kavlan-6": "2001:660:4406:886:3::d",
+      "kavlan-7": "2001:660:4406:887:3::d",
+      "kavlan-8": "2001:660:4406:888:3::d",
+      "kavlan-9": "2001:660:4406:889:3::d"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-14.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-14.json
index 1743fe5a2b59540ac60eb27825874dc248819b6a..4aac191b82804c99b03c9712a3f3e1e8a4ce74d4 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-14.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-14.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.64.14"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:3::e",
+      "kavlan-11": "2001:660:4406:88b:3::e",
+      "kavlan-12": "2001:660:4406:88c:3::e",
+      "kavlan-13": "2001:660:4406:88d:3::e",
+      "kavlan-14": "2001:660:4406:88e:3::e",
+      "kavlan-16": "2001:660:4406:890:3::e",
+      "kavlan-18": "2001:660:4406:892:3::e",
+      "kavlan-2": "2001:660:4406:882:3::e",
+      "kavlan-20": "2001:660:4406:894:3::e",
+      "kavlan-21": "2001:660:4406:895:3::e",
+      "kavlan-3": "2001:660:4406:883:3::e",
+      "kavlan-4": "2001:660:4406:884:3::e",
+      "kavlan-5": "2001:660:4406:885:3::e",
+      "kavlan-6": "2001:660:4406:886:3::e",
+      "kavlan-7": "2001:660:4406:887:3::e",
+      "kavlan-8": "2001:660:4406:888:3::e",
+      "kavlan-9": "2001:660:4406:889:3::e"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-15.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-15.json
index c8e4bdb761650050c8744a21fad2be0ce7f0776d..c8daae1ea6c6abf692b6a94fc4fd2329c7d90a23 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-15.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-15.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.64.15"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:3::f",
+      "kavlan-11": "2001:660:4406:88b:3::f",
+      "kavlan-12": "2001:660:4406:88c:3::f",
+      "kavlan-13": "2001:660:4406:88d:3::f",
+      "kavlan-14": "2001:660:4406:88e:3::f",
+      "kavlan-16": "2001:660:4406:890:3::f",
+      "kavlan-18": "2001:660:4406:892:3::f",
+      "kavlan-2": "2001:660:4406:882:3::f",
+      "kavlan-20": "2001:660:4406:894:3::f",
+      "kavlan-21": "2001:660:4406:895:3::f",
+      "kavlan-3": "2001:660:4406:883:3::f",
+      "kavlan-4": "2001:660:4406:884:3::f",
+      "kavlan-5": "2001:660:4406:885:3::f",
+      "kavlan-6": "2001:660:4406:886:3::f",
+      "kavlan-7": "2001:660:4406:887:3::f",
+      "kavlan-8": "2001:660:4406:888:3::f",
+      "kavlan-9": "2001:660:4406:889:3::f"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-16.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-16.json
index 44d027f781064cb2b039202ff5f05199044c78b5..901f0702ce00d12fe9bd58b60e65046c4cd89d0c 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-16.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-16.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.64.16"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:3::10",
+      "kavlan-11": "2001:660:4406:88b:3::10",
+      "kavlan-12": "2001:660:4406:88c:3::10",
+      "kavlan-13": "2001:660:4406:88d:3::10",
+      "kavlan-14": "2001:660:4406:88e:3::10",
+      "kavlan-16": "2001:660:4406:890:3::10",
+      "kavlan-18": "2001:660:4406:892:3::10",
+      "kavlan-2": "2001:660:4406:882:3::10",
+      "kavlan-20": "2001:660:4406:894:3::10",
+      "kavlan-21": "2001:660:4406:895:3::10",
+      "kavlan-3": "2001:660:4406:883:3::10",
+      "kavlan-4": "2001:660:4406:884:3::10",
+      "kavlan-5": "2001:660:4406:885:3::10",
+      "kavlan-6": "2001:660:4406:886:3::10",
+      "kavlan-7": "2001:660:4406:887:3::10",
+      "kavlan-8": "2001:660:4406:888:3::10",
+      "kavlan-9": "2001:660:4406:889:3::10"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-17.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-17.json
index 716217217bde4f3ade25850caf04ef3102755321..edf74f1d5b95da094e4dd5fc6d5cee2d9219ae9a 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-17.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-17.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.64.17"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:3::11",
+      "kavlan-11": "2001:660:4406:88b:3::11",
+      "kavlan-12": "2001:660:4406:88c:3::11",
+      "kavlan-13": "2001:660:4406:88d:3::11",
+      "kavlan-14": "2001:660:4406:88e:3::11",
+      "kavlan-16": "2001:660:4406:890:3::11",
+      "kavlan-18": "2001:660:4406:892:3::11",
+      "kavlan-2": "2001:660:4406:882:3::11",
+      "kavlan-20": "2001:660:4406:894:3::11",
+      "kavlan-21": "2001:660:4406:895:3::11",
+      "kavlan-3": "2001:660:4406:883:3::11",
+      "kavlan-4": "2001:660:4406:884:3::11",
+      "kavlan-5": "2001:660:4406:885:3::11",
+      "kavlan-6": "2001:660:4406:886:3::11",
+      "kavlan-7": "2001:660:4406:887:3::11",
+      "kavlan-8": "2001:660:4406:888:3::11",
+      "kavlan-9": "2001:660:4406:889:3::11"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-18.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-18.json
index bdf4435f4a232a007b9e4657336630008601bd96..6dec46000d4ec2f779f5c5c9d8f39fcc7f4b7990 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-18.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-18.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.64.18"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:3::12",
+      "kavlan-11": "2001:660:4406:88b:3::12",
+      "kavlan-12": "2001:660:4406:88c:3::12",
+      "kavlan-13": "2001:660:4406:88d:3::12",
+      "kavlan-14": "2001:660:4406:88e:3::12",
+      "kavlan-16": "2001:660:4406:890:3::12",
+      "kavlan-18": "2001:660:4406:892:3::12",
+      "kavlan-2": "2001:660:4406:882:3::12",
+      "kavlan-20": "2001:660:4406:894:3::12",
+      "kavlan-21": "2001:660:4406:895:3::12",
+      "kavlan-3": "2001:660:4406:883:3::12",
+      "kavlan-4": "2001:660:4406:884:3::12",
+      "kavlan-5": "2001:660:4406:885:3::12",
+      "kavlan-6": "2001:660:4406:886:3::12",
+      "kavlan-7": "2001:660:4406:887:3::12",
+      "kavlan-8": "2001:660:4406:888:3::12",
+      "kavlan-9": "2001:660:4406:889:3::12"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-19.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-19.json
index fa72f9e7313809d39ad40631c9b24d9bf6f2a06d..8e9e8a0266151e6df6343289daff72fde1548bbc 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-19.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-19.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.64.19"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:3::13",
+      "kavlan-11": "2001:660:4406:88b:3::13",
+      "kavlan-12": "2001:660:4406:88c:3::13",
+      "kavlan-13": "2001:660:4406:88d:3::13",
+      "kavlan-14": "2001:660:4406:88e:3::13",
+      "kavlan-16": "2001:660:4406:890:3::13",
+      "kavlan-18": "2001:660:4406:892:3::13",
+      "kavlan-2": "2001:660:4406:882:3::13",
+      "kavlan-20": "2001:660:4406:894:3::13",
+      "kavlan-21": "2001:660:4406:895:3::13",
+      "kavlan-3": "2001:660:4406:883:3::13",
+      "kavlan-4": "2001:660:4406:884:3::13",
+      "kavlan-5": "2001:660:4406:885:3::13",
+      "kavlan-6": "2001:660:4406:886:3::13",
+      "kavlan-7": "2001:660:4406:887:3::13",
+      "kavlan-8": "2001:660:4406:888:3::13",
+      "kavlan-9": "2001:660:4406:889:3::13"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-2.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-2.json
index ff3eb6a09feab02b47cbf1ed033daf16775940ec..753627a9e6cfb3cefabbdad7bfa832c7f6dfcb8d 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-2.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-2.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.64.2"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:3::2",
+      "kavlan-11": "2001:660:4406:88b:3::2",
+      "kavlan-12": "2001:660:4406:88c:3::2",
+      "kavlan-13": "2001:660:4406:88d:3::2",
+      "kavlan-14": "2001:660:4406:88e:3::2",
+      "kavlan-16": "2001:660:4406:890:3::2",
+      "kavlan-18": "2001:660:4406:892:3::2",
+      "kavlan-2": "2001:660:4406:882:3::2",
+      "kavlan-20": "2001:660:4406:894:3::2",
+      "kavlan-21": "2001:660:4406:895:3::2",
+      "kavlan-3": "2001:660:4406:883:3::2",
+      "kavlan-4": "2001:660:4406:884:3::2",
+      "kavlan-5": "2001:660:4406:885:3::2",
+      "kavlan-6": "2001:660:4406:886:3::2",
+      "kavlan-7": "2001:660:4406:887:3::2",
+      "kavlan-8": "2001:660:4406:888:3::2",
+      "kavlan-9": "2001:660:4406:889:3::2"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-20.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-20.json
index 8df476c90fe41bcc466c9f27b15559fdf5e74fae..284c747d67360ef334cc53d17ca4451859973ab0 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-20.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-20.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.64.20"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:3::14",
+      "kavlan-11": "2001:660:4406:88b:3::14",
+      "kavlan-12": "2001:660:4406:88c:3::14",
+      "kavlan-13": "2001:660:4406:88d:3::14",
+      "kavlan-14": "2001:660:4406:88e:3::14",
+      "kavlan-16": "2001:660:4406:890:3::14",
+      "kavlan-18": "2001:660:4406:892:3::14",
+      "kavlan-2": "2001:660:4406:882:3::14",
+      "kavlan-20": "2001:660:4406:894:3::14",
+      "kavlan-21": "2001:660:4406:895:3::14",
+      "kavlan-3": "2001:660:4406:883:3::14",
+      "kavlan-4": "2001:660:4406:884:3::14",
+      "kavlan-5": "2001:660:4406:885:3::14",
+      "kavlan-6": "2001:660:4406:886:3::14",
+      "kavlan-7": "2001:660:4406:887:3::14",
+      "kavlan-8": "2001:660:4406:888:3::14",
+      "kavlan-9": "2001:660:4406:889:3::14"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-21.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-21.json
index 3de9f198169cf1ea24e647690807aad53c44c84a..fc5d7f60c465208c4a30a74782bec3e9238669fe 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-21.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-21.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.64.21"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:3::15",
+      "kavlan-11": "2001:660:4406:88b:3::15",
+      "kavlan-12": "2001:660:4406:88c:3::15",
+      "kavlan-13": "2001:660:4406:88d:3::15",
+      "kavlan-14": "2001:660:4406:88e:3::15",
+      "kavlan-16": "2001:660:4406:890:3::15",
+      "kavlan-18": "2001:660:4406:892:3::15",
+      "kavlan-2": "2001:660:4406:882:3::15",
+      "kavlan-20": "2001:660:4406:894:3::15",
+      "kavlan-21": "2001:660:4406:895:3::15",
+      "kavlan-3": "2001:660:4406:883:3::15",
+      "kavlan-4": "2001:660:4406:884:3::15",
+      "kavlan-5": "2001:660:4406:885:3::15",
+      "kavlan-6": "2001:660:4406:886:3::15",
+      "kavlan-7": "2001:660:4406:887:3::15",
+      "kavlan-8": "2001:660:4406:888:3::15",
+      "kavlan-9": "2001:660:4406:889:3::15"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-22.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-22.json
index dc26842c9611d0f3ba5df38a30a0ec569173dbcd..70de441c92a2eaa674d44b3030e271f0298365b6 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-22.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-22.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.64.22"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:3::16",
+      "kavlan-11": "2001:660:4406:88b:3::16",
+      "kavlan-12": "2001:660:4406:88c:3::16",
+      "kavlan-13": "2001:660:4406:88d:3::16",
+      "kavlan-14": "2001:660:4406:88e:3::16",
+      "kavlan-16": "2001:660:4406:890:3::16",
+      "kavlan-18": "2001:660:4406:892:3::16",
+      "kavlan-2": "2001:660:4406:882:3::16",
+      "kavlan-20": "2001:660:4406:894:3::16",
+      "kavlan-21": "2001:660:4406:895:3::16",
+      "kavlan-3": "2001:660:4406:883:3::16",
+      "kavlan-4": "2001:660:4406:884:3::16",
+      "kavlan-5": "2001:660:4406:885:3::16",
+      "kavlan-6": "2001:660:4406:886:3::16",
+      "kavlan-7": "2001:660:4406:887:3::16",
+      "kavlan-8": "2001:660:4406:888:3::16",
+      "kavlan-9": "2001:660:4406:889:3::16"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-23.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-23.json
index d37ad155fc63eb72982ff386e7d29330111dfb82..7986d001470f7405ff9719b9e6a689078c0d95a4 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-23.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-23.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.64.23"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:3::17",
+      "kavlan-11": "2001:660:4406:88b:3::17",
+      "kavlan-12": "2001:660:4406:88c:3::17",
+      "kavlan-13": "2001:660:4406:88d:3::17",
+      "kavlan-14": "2001:660:4406:88e:3::17",
+      "kavlan-16": "2001:660:4406:890:3::17",
+      "kavlan-18": "2001:660:4406:892:3::17",
+      "kavlan-2": "2001:660:4406:882:3::17",
+      "kavlan-20": "2001:660:4406:894:3::17",
+      "kavlan-21": "2001:660:4406:895:3::17",
+      "kavlan-3": "2001:660:4406:883:3::17",
+      "kavlan-4": "2001:660:4406:884:3::17",
+      "kavlan-5": "2001:660:4406:885:3::17",
+      "kavlan-6": "2001:660:4406:886:3::17",
+      "kavlan-7": "2001:660:4406:887:3::17",
+      "kavlan-8": "2001:660:4406:888:3::17",
+      "kavlan-9": "2001:660:4406:889:3::17"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-24.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-24.json
index 52ad5e9bcdbb4b549c5617003d57dbfb29c6214b..71676e8dd9e9a5c62dc42286693034a0c6e1dfa0 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-24.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-24.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.64.24"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:3::18",
+      "kavlan-11": "2001:660:4406:88b:3::18",
+      "kavlan-12": "2001:660:4406:88c:3::18",
+      "kavlan-13": "2001:660:4406:88d:3::18",
+      "kavlan-14": "2001:660:4406:88e:3::18",
+      "kavlan-16": "2001:660:4406:890:3::18",
+      "kavlan-18": "2001:660:4406:892:3::18",
+      "kavlan-2": "2001:660:4406:882:3::18",
+      "kavlan-20": "2001:660:4406:894:3::18",
+      "kavlan-21": "2001:660:4406:895:3::18",
+      "kavlan-3": "2001:660:4406:883:3::18",
+      "kavlan-4": "2001:660:4406:884:3::18",
+      "kavlan-5": "2001:660:4406:885:3::18",
+      "kavlan-6": "2001:660:4406:886:3::18",
+      "kavlan-7": "2001:660:4406:887:3::18",
+      "kavlan-8": "2001:660:4406:888:3::18",
+      "kavlan-9": "2001:660:4406:889:3::18"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-25.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-25.json
index 6b0724b57dbe1f596083739ef157beeb18cfe090..edc5b1536ad692b2a404908893b8b71f6fa54951 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-25.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-25.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.64.25"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:3::19",
+      "kavlan-11": "2001:660:4406:88b:3::19",
+      "kavlan-12": "2001:660:4406:88c:3::19",
+      "kavlan-13": "2001:660:4406:88d:3::19",
+      "kavlan-14": "2001:660:4406:88e:3::19",
+      "kavlan-16": "2001:660:4406:890:3::19",
+      "kavlan-18": "2001:660:4406:892:3::19",
+      "kavlan-2": "2001:660:4406:882:3::19",
+      "kavlan-20": "2001:660:4406:894:3::19",
+      "kavlan-21": "2001:660:4406:895:3::19",
+      "kavlan-3": "2001:660:4406:883:3::19",
+      "kavlan-4": "2001:660:4406:884:3::19",
+      "kavlan-5": "2001:660:4406:885:3::19",
+      "kavlan-6": "2001:660:4406:886:3::19",
+      "kavlan-7": "2001:660:4406:887:3::19",
+      "kavlan-8": "2001:660:4406:888:3::19",
+      "kavlan-9": "2001:660:4406:889:3::19"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-26.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-26.json
index 398b2c1a784d151e24b3fbec813ed40d8d733726..1377e87c6a58f37da17d06b741ae9f1cefbbffc4 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-26.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-26.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.64.26"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:3::1a",
+      "kavlan-11": "2001:660:4406:88b:3::1a",
+      "kavlan-12": "2001:660:4406:88c:3::1a",
+      "kavlan-13": "2001:660:4406:88d:3::1a",
+      "kavlan-14": "2001:660:4406:88e:3::1a",
+      "kavlan-16": "2001:660:4406:890:3::1a",
+      "kavlan-18": "2001:660:4406:892:3::1a",
+      "kavlan-2": "2001:660:4406:882:3::1a",
+      "kavlan-20": "2001:660:4406:894:3::1a",
+      "kavlan-21": "2001:660:4406:895:3::1a",
+      "kavlan-3": "2001:660:4406:883:3::1a",
+      "kavlan-4": "2001:660:4406:884:3::1a",
+      "kavlan-5": "2001:660:4406:885:3::1a",
+      "kavlan-6": "2001:660:4406:886:3::1a",
+      "kavlan-7": "2001:660:4406:887:3::1a",
+      "kavlan-8": "2001:660:4406:888:3::1a",
+      "kavlan-9": "2001:660:4406:889:3::1a"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-27.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-27.json
index e8b6beb2a2c5bb8e0de3ef42bd686a604418421a..dbf5e9c8d84b8d34f7d0878a42a155052bf9ed0f 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-27.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-27.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.64.27"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:3::1b",
+      "kavlan-11": "2001:660:4406:88b:3::1b",
+      "kavlan-12": "2001:660:4406:88c:3::1b",
+      "kavlan-13": "2001:660:4406:88d:3::1b",
+      "kavlan-14": "2001:660:4406:88e:3::1b",
+      "kavlan-16": "2001:660:4406:890:3::1b",
+      "kavlan-18": "2001:660:4406:892:3::1b",
+      "kavlan-2": "2001:660:4406:882:3::1b",
+      "kavlan-20": "2001:660:4406:894:3::1b",
+      "kavlan-21": "2001:660:4406:895:3::1b",
+      "kavlan-3": "2001:660:4406:883:3::1b",
+      "kavlan-4": "2001:660:4406:884:3::1b",
+      "kavlan-5": "2001:660:4406:885:3::1b",
+      "kavlan-6": "2001:660:4406:886:3::1b",
+      "kavlan-7": "2001:660:4406:887:3::1b",
+      "kavlan-8": "2001:660:4406:888:3::1b",
+      "kavlan-9": "2001:660:4406:889:3::1b"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-28.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-28.json
index 091ed90d807564569101bf54cd4076917767b4a7..b4db05e9cf1d8c91b501e53ac4cddcde8ed1cd64 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-28.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-28.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.64.28"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:3::1c",
+      "kavlan-11": "2001:660:4406:88b:3::1c",
+      "kavlan-12": "2001:660:4406:88c:3::1c",
+      "kavlan-13": "2001:660:4406:88d:3::1c",
+      "kavlan-14": "2001:660:4406:88e:3::1c",
+      "kavlan-16": "2001:660:4406:890:3::1c",
+      "kavlan-18": "2001:660:4406:892:3::1c",
+      "kavlan-2": "2001:660:4406:882:3::1c",
+      "kavlan-20": "2001:660:4406:894:3::1c",
+      "kavlan-21": "2001:660:4406:895:3::1c",
+      "kavlan-3": "2001:660:4406:883:3::1c",
+      "kavlan-4": "2001:660:4406:884:3::1c",
+      "kavlan-5": "2001:660:4406:885:3::1c",
+      "kavlan-6": "2001:660:4406:886:3::1c",
+      "kavlan-7": "2001:660:4406:887:3::1c",
+      "kavlan-8": "2001:660:4406:888:3::1c",
+      "kavlan-9": "2001:660:4406:889:3::1c"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-29.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-29.json
index 511a436fb5c5a6c2be728bb6e28dbfb3c9f50dff..dc6cb474c67aeeb5b797742e16d478486a82c051 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-29.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-29.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.64.29"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:3::1d",
+      "kavlan-11": "2001:660:4406:88b:3::1d",
+      "kavlan-12": "2001:660:4406:88c:3::1d",
+      "kavlan-13": "2001:660:4406:88d:3::1d",
+      "kavlan-14": "2001:660:4406:88e:3::1d",
+      "kavlan-16": "2001:660:4406:890:3::1d",
+      "kavlan-18": "2001:660:4406:892:3::1d",
+      "kavlan-2": "2001:660:4406:882:3::1d",
+      "kavlan-20": "2001:660:4406:894:3::1d",
+      "kavlan-21": "2001:660:4406:895:3::1d",
+      "kavlan-3": "2001:660:4406:883:3::1d",
+      "kavlan-4": "2001:660:4406:884:3::1d",
+      "kavlan-5": "2001:660:4406:885:3::1d",
+      "kavlan-6": "2001:660:4406:886:3::1d",
+      "kavlan-7": "2001:660:4406:887:3::1d",
+      "kavlan-8": "2001:660:4406:888:3::1d",
+      "kavlan-9": "2001:660:4406:889:3::1d"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-3.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-3.json
index 7fd6ae241de96e07911f9fcd3d940ffd0234951d..147477f3f84c4508c0e51eced44646168a7dd62d 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-3.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-3.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.64.3"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:3::3",
+      "kavlan-11": "2001:660:4406:88b:3::3",
+      "kavlan-12": "2001:660:4406:88c:3::3",
+      "kavlan-13": "2001:660:4406:88d:3::3",
+      "kavlan-14": "2001:660:4406:88e:3::3",
+      "kavlan-16": "2001:660:4406:890:3::3",
+      "kavlan-18": "2001:660:4406:892:3::3",
+      "kavlan-2": "2001:660:4406:882:3::3",
+      "kavlan-20": "2001:660:4406:894:3::3",
+      "kavlan-21": "2001:660:4406:895:3::3",
+      "kavlan-3": "2001:660:4406:883:3::3",
+      "kavlan-4": "2001:660:4406:884:3::3",
+      "kavlan-5": "2001:660:4406:885:3::3",
+      "kavlan-6": "2001:660:4406:886:3::3",
+      "kavlan-7": "2001:660:4406:887:3::3",
+      "kavlan-8": "2001:660:4406:888:3::3",
+      "kavlan-9": "2001:660:4406:889:3::3"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-30.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-30.json
index 1e3b6f92d687209c7c2d6bfe2564620b62bb61e5..79abcfb4cff79f01d172f2f2608c27e929bca338 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-30.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-30.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.64.30"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:3::1e",
+      "kavlan-11": "2001:660:4406:88b:3::1e",
+      "kavlan-12": "2001:660:4406:88c:3::1e",
+      "kavlan-13": "2001:660:4406:88d:3::1e",
+      "kavlan-14": "2001:660:4406:88e:3::1e",
+      "kavlan-16": "2001:660:4406:890:3::1e",
+      "kavlan-18": "2001:660:4406:892:3::1e",
+      "kavlan-2": "2001:660:4406:882:3::1e",
+      "kavlan-20": "2001:660:4406:894:3::1e",
+      "kavlan-21": "2001:660:4406:895:3::1e",
+      "kavlan-3": "2001:660:4406:883:3::1e",
+      "kavlan-4": "2001:660:4406:884:3::1e",
+      "kavlan-5": "2001:660:4406:885:3::1e",
+      "kavlan-6": "2001:660:4406:886:3::1e",
+      "kavlan-7": "2001:660:4406:887:3::1e",
+      "kavlan-8": "2001:660:4406:888:3::1e",
+      "kavlan-9": "2001:660:4406:889:3::1e"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-31.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-31.json
index 83bf1a67c72ffea9e94ecab692763d4193412918..19a25cc59056ccce89417a29d50d0d702e036957 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-31.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-31.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.64.31"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:3::1f",
+      "kavlan-11": "2001:660:4406:88b:3::1f",
+      "kavlan-12": "2001:660:4406:88c:3::1f",
+      "kavlan-13": "2001:660:4406:88d:3::1f",
+      "kavlan-14": "2001:660:4406:88e:3::1f",
+      "kavlan-16": "2001:660:4406:890:3::1f",
+      "kavlan-18": "2001:660:4406:892:3::1f",
+      "kavlan-2": "2001:660:4406:882:3::1f",
+      "kavlan-20": "2001:660:4406:894:3::1f",
+      "kavlan-21": "2001:660:4406:895:3::1f",
+      "kavlan-3": "2001:660:4406:883:3::1f",
+      "kavlan-4": "2001:660:4406:884:3::1f",
+      "kavlan-5": "2001:660:4406:885:3::1f",
+      "kavlan-6": "2001:660:4406:886:3::1f",
+      "kavlan-7": "2001:660:4406:887:3::1f",
+      "kavlan-8": "2001:660:4406:888:3::1f",
+      "kavlan-9": "2001:660:4406:889:3::1f"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-32.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-32.json
index ee9b17b49a1a0f433e98bc4efae424802f97e0aa..b134844f71a762f11e99b8e046a54102fbcabf49 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-32.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-32.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.64.32"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:3::20",
+      "kavlan-11": "2001:660:4406:88b:3::20",
+      "kavlan-12": "2001:660:4406:88c:3::20",
+      "kavlan-13": "2001:660:4406:88d:3::20",
+      "kavlan-14": "2001:660:4406:88e:3::20",
+      "kavlan-16": "2001:660:4406:890:3::20",
+      "kavlan-18": "2001:660:4406:892:3::20",
+      "kavlan-2": "2001:660:4406:882:3::20",
+      "kavlan-20": "2001:660:4406:894:3::20",
+      "kavlan-21": "2001:660:4406:895:3::20",
+      "kavlan-3": "2001:660:4406:883:3::20",
+      "kavlan-4": "2001:660:4406:884:3::20",
+      "kavlan-5": "2001:660:4406:885:3::20",
+      "kavlan-6": "2001:660:4406:886:3::20",
+      "kavlan-7": "2001:660:4406:887:3::20",
+      "kavlan-8": "2001:660:4406:888:3::20",
+      "kavlan-9": "2001:660:4406:889:3::20"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-33.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-33.json
index e9a184693b3d110309c9c4a992b65b993f7b922c..79676f09fe0878799fdeec47dd7fbc13c135ce13 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-33.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-33.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.64.33"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:3::21",
+      "kavlan-11": "2001:660:4406:88b:3::21",
+      "kavlan-12": "2001:660:4406:88c:3::21",
+      "kavlan-13": "2001:660:4406:88d:3::21",
+      "kavlan-14": "2001:660:4406:88e:3::21",
+      "kavlan-16": "2001:660:4406:890:3::21",
+      "kavlan-18": "2001:660:4406:892:3::21",
+      "kavlan-2": "2001:660:4406:882:3::21",
+      "kavlan-20": "2001:660:4406:894:3::21",
+      "kavlan-21": "2001:660:4406:895:3::21",
+      "kavlan-3": "2001:660:4406:883:3::21",
+      "kavlan-4": "2001:660:4406:884:3::21",
+      "kavlan-5": "2001:660:4406:885:3::21",
+      "kavlan-6": "2001:660:4406:886:3::21",
+      "kavlan-7": "2001:660:4406:887:3::21",
+      "kavlan-8": "2001:660:4406:888:3::21",
+      "kavlan-9": "2001:660:4406:889:3::21"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-34.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-34.json
index 1b838192ca73b95742f237f255bbeb0733c942da..53b5a7f54eed6076b17c6493f2fc05c01bd587cb 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-34.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-34.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.64.34"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:3::22",
+      "kavlan-11": "2001:660:4406:88b:3::22",
+      "kavlan-12": "2001:660:4406:88c:3::22",
+      "kavlan-13": "2001:660:4406:88d:3::22",
+      "kavlan-14": "2001:660:4406:88e:3::22",
+      "kavlan-16": "2001:660:4406:890:3::22",
+      "kavlan-18": "2001:660:4406:892:3::22",
+      "kavlan-2": "2001:660:4406:882:3::22",
+      "kavlan-20": "2001:660:4406:894:3::22",
+      "kavlan-21": "2001:660:4406:895:3::22",
+      "kavlan-3": "2001:660:4406:883:3::22",
+      "kavlan-4": "2001:660:4406:884:3::22",
+      "kavlan-5": "2001:660:4406:885:3::22",
+      "kavlan-6": "2001:660:4406:886:3::22",
+      "kavlan-7": "2001:660:4406:887:3::22",
+      "kavlan-8": "2001:660:4406:888:3::22",
+      "kavlan-9": "2001:660:4406:889:3::22"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-35.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-35.json
index ff62b9b14f580429f3db0bffd3ac871c24ef7ba9..cda016548cc84780e589c16e752d983ae5bde79c 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-35.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-35.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.64.35"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:3::23",
+      "kavlan-11": "2001:660:4406:88b:3::23",
+      "kavlan-12": "2001:660:4406:88c:3::23",
+      "kavlan-13": "2001:660:4406:88d:3::23",
+      "kavlan-14": "2001:660:4406:88e:3::23",
+      "kavlan-16": "2001:660:4406:890:3::23",
+      "kavlan-18": "2001:660:4406:892:3::23",
+      "kavlan-2": "2001:660:4406:882:3::23",
+      "kavlan-20": "2001:660:4406:894:3::23",
+      "kavlan-21": "2001:660:4406:895:3::23",
+      "kavlan-3": "2001:660:4406:883:3::23",
+      "kavlan-4": "2001:660:4406:884:3::23",
+      "kavlan-5": "2001:660:4406:885:3::23",
+      "kavlan-6": "2001:660:4406:886:3::23",
+      "kavlan-7": "2001:660:4406:887:3::23",
+      "kavlan-8": "2001:660:4406:888:3::23",
+      "kavlan-9": "2001:660:4406:889:3::23"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-36.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-36.json
index 837fa6f27791e3fe1344360cd79be9b7f03e764a..d1d92012e3e0b6d0393fa855f281d89900868893 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-36.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-36.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.64.36"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:3::24",
+      "kavlan-11": "2001:660:4406:88b:3::24",
+      "kavlan-12": "2001:660:4406:88c:3::24",
+      "kavlan-13": "2001:660:4406:88d:3::24",
+      "kavlan-14": "2001:660:4406:88e:3::24",
+      "kavlan-16": "2001:660:4406:890:3::24",
+      "kavlan-18": "2001:660:4406:892:3::24",
+      "kavlan-2": "2001:660:4406:882:3::24",
+      "kavlan-20": "2001:660:4406:894:3::24",
+      "kavlan-21": "2001:660:4406:895:3::24",
+      "kavlan-3": "2001:660:4406:883:3::24",
+      "kavlan-4": "2001:660:4406:884:3::24",
+      "kavlan-5": "2001:660:4406:885:3::24",
+      "kavlan-6": "2001:660:4406:886:3::24",
+      "kavlan-7": "2001:660:4406:887:3::24",
+      "kavlan-8": "2001:660:4406:888:3::24",
+      "kavlan-9": "2001:660:4406:889:3::24"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-37.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-37.json
index c68c80a156c001f7294a3b57b0cf4510bde741ec..afa37a41610870b4219aed1a0e961a8fd43de623 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-37.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-37.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.64.37"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:3::25",
+      "kavlan-11": "2001:660:4406:88b:3::25",
+      "kavlan-12": "2001:660:4406:88c:3::25",
+      "kavlan-13": "2001:660:4406:88d:3::25",
+      "kavlan-14": "2001:660:4406:88e:3::25",
+      "kavlan-16": "2001:660:4406:890:3::25",
+      "kavlan-18": "2001:660:4406:892:3::25",
+      "kavlan-2": "2001:660:4406:882:3::25",
+      "kavlan-20": "2001:660:4406:894:3::25",
+      "kavlan-21": "2001:660:4406:895:3::25",
+      "kavlan-3": "2001:660:4406:883:3::25",
+      "kavlan-4": "2001:660:4406:884:3::25",
+      "kavlan-5": "2001:660:4406:885:3::25",
+      "kavlan-6": "2001:660:4406:886:3::25",
+      "kavlan-7": "2001:660:4406:887:3::25",
+      "kavlan-8": "2001:660:4406:888:3::25",
+      "kavlan-9": "2001:660:4406:889:3::25"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-38.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-38.json
index 8ca5641510ee6568041e665e4391c9fde573715d..9725b27f7839389b09aec6f6df9b0078502354f9 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-38.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-38.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.64.38"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:3::26",
+      "kavlan-11": "2001:660:4406:88b:3::26",
+      "kavlan-12": "2001:660:4406:88c:3::26",
+      "kavlan-13": "2001:660:4406:88d:3::26",
+      "kavlan-14": "2001:660:4406:88e:3::26",
+      "kavlan-16": "2001:660:4406:890:3::26",
+      "kavlan-18": "2001:660:4406:892:3::26",
+      "kavlan-2": "2001:660:4406:882:3::26",
+      "kavlan-20": "2001:660:4406:894:3::26",
+      "kavlan-21": "2001:660:4406:895:3::26",
+      "kavlan-3": "2001:660:4406:883:3::26",
+      "kavlan-4": "2001:660:4406:884:3::26",
+      "kavlan-5": "2001:660:4406:885:3::26",
+      "kavlan-6": "2001:660:4406:886:3::26",
+      "kavlan-7": "2001:660:4406:887:3::26",
+      "kavlan-8": "2001:660:4406:888:3::26",
+      "kavlan-9": "2001:660:4406:889:3::26"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-39.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-39.json
index 52e615ae85f99ebc00b5e277dc109d2594fb2a7b..a1d6e271a5c44da7a42d01438f6db8915f4fc920 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-39.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-39.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.64.39"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:3::27",
+      "kavlan-11": "2001:660:4406:88b:3::27",
+      "kavlan-12": "2001:660:4406:88c:3::27",
+      "kavlan-13": "2001:660:4406:88d:3::27",
+      "kavlan-14": "2001:660:4406:88e:3::27",
+      "kavlan-16": "2001:660:4406:890:3::27",
+      "kavlan-18": "2001:660:4406:892:3::27",
+      "kavlan-2": "2001:660:4406:882:3::27",
+      "kavlan-20": "2001:660:4406:894:3::27",
+      "kavlan-21": "2001:660:4406:895:3::27",
+      "kavlan-3": "2001:660:4406:883:3::27",
+      "kavlan-4": "2001:660:4406:884:3::27",
+      "kavlan-5": "2001:660:4406:885:3::27",
+      "kavlan-6": "2001:660:4406:886:3::27",
+      "kavlan-7": "2001:660:4406:887:3::27",
+      "kavlan-8": "2001:660:4406:888:3::27",
+      "kavlan-9": "2001:660:4406:889:3::27"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-4.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-4.json
index e681930e2b6a7eee5312191fdf5a10a9b240c18d..e1317a7ac296357f87a4aadb7df9481a5d3aa5d4 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-4.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-4.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.64.4"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:3::4",
+      "kavlan-11": "2001:660:4406:88b:3::4",
+      "kavlan-12": "2001:660:4406:88c:3::4",
+      "kavlan-13": "2001:660:4406:88d:3::4",
+      "kavlan-14": "2001:660:4406:88e:3::4",
+      "kavlan-16": "2001:660:4406:890:3::4",
+      "kavlan-18": "2001:660:4406:892:3::4",
+      "kavlan-2": "2001:660:4406:882:3::4",
+      "kavlan-20": "2001:660:4406:894:3::4",
+      "kavlan-21": "2001:660:4406:895:3::4",
+      "kavlan-3": "2001:660:4406:883:3::4",
+      "kavlan-4": "2001:660:4406:884:3::4",
+      "kavlan-5": "2001:660:4406:885:3::4",
+      "kavlan-6": "2001:660:4406:886:3::4",
+      "kavlan-7": "2001:660:4406:887:3::4",
+      "kavlan-8": "2001:660:4406:888:3::4",
+      "kavlan-9": "2001:660:4406:889:3::4"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-40.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-40.json
index 5f81f3aa4e66dc7d14a7a3b06a4ca34c9f252d8a..9f94002f064c466d7ea4e9b371bea362ad696b3d 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-40.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-40.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.64.40"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:3::28",
+      "kavlan-11": "2001:660:4406:88b:3::28",
+      "kavlan-12": "2001:660:4406:88c:3::28",
+      "kavlan-13": "2001:660:4406:88d:3::28",
+      "kavlan-14": "2001:660:4406:88e:3::28",
+      "kavlan-16": "2001:660:4406:890:3::28",
+      "kavlan-18": "2001:660:4406:892:3::28",
+      "kavlan-2": "2001:660:4406:882:3::28",
+      "kavlan-20": "2001:660:4406:894:3::28",
+      "kavlan-21": "2001:660:4406:895:3::28",
+      "kavlan-3": "2001:660:4406:883:3::28",
+      "kavlan-4": "2001:660:4406:884:3::28",
+      "kavlan-5": "2001:660:4406:885:3::28",
+      "kavlan-6": "2001:660:4406:886:3::28",
+      "kavlan-7": "2001:660:4406:887:3::28",
+      "kavlan-8": "2001:660:4406:888:3::28",
+      "kavlan-9": "2001:660:4406:889:3::28"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-41.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-41.json
index 07cb88ebc854f72181d0d40a3d6790aae55c280e..62c97187a95e3898401ee1a77c227956eb4e9590 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-41.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-41.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.64.41"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:3::29",
+      "kavlan-11": "2001:660:4406:88b:3::29",
+      "kavlan-12": "2001:660:4406:88c:3::29",
+      "kavlan-13": "2001:660:4406:88d:3::29",
+      "kavlan-14": "2001:660:4406:88e:3::29",
+      "kavlan-16": "2001:660:4406:890:3::29",
+      "kavlan-18": "2001:660:4406:892:3::29",
+      "kavlan-2": "2001:660:4406:882:3::29",
+      "kavlan-20": "2001:660:4406:894:3::29",
+      "kavlan-21": "2001:660:4406:895:3::29",
+      "kavlan-3": "2001:660:4406:883:3::29",
+      "kavlan-4": "2001:660:4406:884:3::29",
+      "kavlan-5": "2001:660:4406:885:3::29",
+      "kavlan-6": "2001:660:4406:886:3::29",
+      "kavlan-7": "2001:660:4406:887:3::29",
+      "kavlan-8": "2001:660:4406:888:3::29",
+      "kavlan-9": "2001:660:4406:889:3::29"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-42.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-42.json
index 9d4cc8473731f3d58ef050569a513dd368ae0095..d4a3572196dc70eeddb4ce34784abddceab66e43 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-42.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-42.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.64.42"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:3::2a",
+      "kavlan-11": "2001:660:4406:88b:3::2a",
+      "kavlan-12": "2001:660:4406:88c:3::2a",
+      "kavlan-13": "2001:660:4406:88d:3::2a",
+      "kavlan-14": "2001:660:4406:88e:3::2a",
+      "kavlan-16": "2001:660:4406:890:3::2a",
+      "kavlan-18": "2001:660:4406:892:3::2a",
+      "kavlan-2": "2001:660:4406:882:3::2a",
+      "kavlan-20": "2001:660:4406:894:3::2a",
+      "kavlan-21": "2001:660:4406:895:3::2a",
+      "kavlan-3": "2001:660:4406:883:3::2a",
+      "kavlan-4": "2001:660:4406:884:3::2a",
+      "kavlan-5": "2001:660:4406:885:3::2a",
+      "kavlan-6": "2001:660:4406:886:3::2a",
+      "kavlan-7": "2001:660:4406:887:3::2a",
+      "kavlan-8": "2001:660:4406:888:3::2a",
+      "kavlan-9": "2001:660:4406:889:3::2a"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-43.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-43.json
index cc9cb0f072e30c7ce405b785f96f1f13c5235ee4..4da7affc08f4b2d3063a7a146de6d6f674bd3beb 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-43.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-43.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.64.43"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:3::2b",
+      "kavlan-11": "2001:660:4406:88b:3::2b",
+      "kavlan-12": "2001:660:4406:88c:3::2b",
+      "kavlan-13": "2001:660:4406:88d:3::2b",
+      "kavlan-14": "2001:660:4406:88e:3::2b",
+      "kavlan-16": "2001:660:4406:890:3::2b",
+      "kavlan-18": "2001:660:4406:892:3::2b",
+      "kavlan-2": "2001:660:4406:882:3::2b",
+      "kavlan-20": "2001:660:4406:894:3::2b",
+      "kavlan-21": "2001:660:4406:895:3::2b",
+      "kavlan-3": "2001:660:4406:883:3::2b",
+      "kavlan-4": "2001:660:4406:884:3::2b",
+      "kavlan-5": "2001:660:4406:885:3::2b",
+      "kavlan-6": "2001:660:4406:886:3::2b",
+      "kavlan-7": "2001:660:4406:887:3::2b",
+      "kavlan-8": "2001:660:4406:888:3::2b",
+      "kavlan-9": "2001:660:4406:889:3::2b"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-44.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-44.json
index 7959f5754e3eba1133212edabdd56daa111922df..04158d19ea0825b63d2c70b3e687b9ce8267610d 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-44.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-44.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.64.44"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:3::2c",
+      "kavlan-11": "2001:660:4406:88b:3::2c",
+      "kavlan-12": "2001:660:4406:88c:3::2c",
+      "kavlan-13": "2001:660:4406:88d:3::2c",
+      "kavlan-14": "2001:660:4406:88e:3::2c",
+      "kavlan-16": "2001:660:4406:890:3::2c",
+      "kavlan-18": "2001:660:4406:892:3::2c",
+      "kavlan-2": "2001:660:4406:882:3::2c",
+      "kavlan-20": "2001:660:4406:894:3::2c",
+      "kavlan-21": "2001:660:4406:895:3::2c",
+      "kavlan-3": "2001:660:4406:883:3::2c",
+      "kavlan-4": "2001:660:4406:884:3::2c",
+      "kavlan-5": "2001:660:4406:885:3::2c",
+      "kavlan-6": "2001:660:4406:886:3::2c",
+      "kavlan-7": "2001:660:4406:887:3::2c",
+      "kavlan-8": "2001:660:4406:888:3::2c",
+      "kavlan-9": "2001:660:4406:889:3::2c"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-45.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-45.json
index dca01b0b5503cf5bae0701d287a9e55d77a5fca0..606a54affa8450ed1b7bbd6a5ec323481ee891ad 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-45.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-45.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.64.45"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:3::2d",
+      "kavlan-11": "2001:660:4406:88b:3::2d",
+      "kavlan-12": "2001:660:4406:88c:3::2d",
+      "kavlan-13": "2001:660:4406:88d:3::2d",
+      "kavlan-14": "2001:660:4406:88e:3::2d",
+      "kavlan-16": "2001:660:4406:890:3::2d",
+      "kavlan-18": "2001:660:4406:892:3::2d",
+      "kavlan-2": "2001:660:4406:882:3::2d",
+      "kavlan-20": "2001:660:4406:894:3::2d",
+      "kavlan-21": "2001:660:4406:895:3::2d",
+      "kavlan-3": "2001:660:4406:883:3::2d",
+      "kavlan-4": "2001:660:4406:884:3::2d",
+      "kavlan-5": "2001:660:4406:885:3::2d",
+      "kavlan-6": "2001:660:4406:886:3::2d",
+      "kavlan-7": "2001:660:4406:887:3::2d",
+      "kavlan-8": "2001:660:4406:888:3::2d",
+      "kavlan-9": "2001:660:4406:889:3::2d"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-5.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-5.json
index af3569ab88e0c72381dcbbf7202be45ad894f1d9..f1b19a4a2b145a3107cc8c25d10eff44946e35e5 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-5.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-5.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.64.5"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:3::5",
+      "kavlan-11": "2001:660:4406:88b:3::5",
+      "kavlan-12": "2001:660:4406:88c:3::5",
+      "kavlan-13": "2001:660:4406:88d:3::5",
+      "kavlan-14": "2001:660:4406:88e:3::5",
+      "kavlan-16": "2001:660:4406:890:3::5",
+      "kavlan-18": "2001:660:4406:892:3::5",
+      "kavlan-2": "2001:660:4406:882:3::5",
+      "kavlan-20": "2001:660:4406:894:3::5",
+      "kavlan-21": "2001:660:4406:895:3::5",
+      "kavlan-3": "2001:660:4406:883:3::5",
+      "kavlan-4": "2001:660:4406:884:3::5",
+      "kavlan-5": "2001:660:4406:885:3::5",
+      "kavlan-6": "2001:660:4406:886:3::5",
+      "kavlan-7": "2001:660:4406:887:3::5",
+      "kavlan-8": "2001:660:4406:888:3::5",
+      "kavlan-9": "2001:660:4406:889:3::5"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-6.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-6.json
index 90891f8694eb0dc7ec80a01dbef5699a9b7f62b1..b1945640025d466ff2f03d3d42954759fb335b52 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-6.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-6.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.64.6"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:3::6",
+      "kavlan-11": "2001:660:4406:88b:3::6",
+      "kavlan-12": "2001:660:4406:88c:3::6",
+      "kavlan-13": "2001:660:4406:88d:3::6",
+      "kavlan-14": "2001:660:4406:88e:3::6",
+      "kavlan-16": "2001:660:4406:890:3::6",
+      "kavlan-18": "2001:660:4406:892:3::6",
+      "kavlan-2": "2001:660:4406:882:3::6",
+      "kavlan-20": "2001:660:4406:894:3::6",
+      "kavlan-21": "2001:660:4406:895:3::6",
+      "kavlan-3": "2001:660:4406:883:3::6",
+      "kavlan-4": "2001:660:4406:884:3::6",
+      "kavlan-5": "2001:660:4406:885:3::6",
+      "kavlan-6": "2001:660:4406:886:3::6",
+      "kavlan-7": "2001:660:4406:887:3::6",
+      "kavlan-8": "2001:660:4406:888:3::6",
+      "kavlan-9": "2001:660:4406:889:3::6"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-7.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-7.json
index a7dd556d5e622eebe18528dbfc6188730168f348..2492588f200b2316939262eff621104917569d09 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-7.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-7.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.64.7"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:3::7",
+      "kavlan-11": "2001:660:4406:88b:3::7",
+      "kavlan-12": "2001:660:4406:88c:3::7",
+      "kavlan-13": "2001:660:4406:88d:3::7",
+      "kavlan-14": "2001:660:4406:88e:3::7",
+      "kavlan-16": "2001:660:4406:890:3::7",
+      "kavlan-18": "2001:660:4406:892:3::7",
+      "kavlan-2": "2001:660:4406:882:3::7",
+      "kavlan-20": "2001:660:4406:894:3::7",
+      "kavlan-21": "2001:660:4406:895:3::7",
+      "kavlan-3": "2001:660:4406:883:3::7",
+      "kavlan-4": "2001:660:4406:884:3::7",
+      "kavlan-5": "2001:660:4406:885:3::7",
+      "kavlan-6": "2001:660:4406:886:3::7",
+      "kavlan-7": "2001:660:4406:887:3::7",
+      "kavlan-8": "2001:660:4406:888:3::7",
+      "kavlan-9": "2001:660:4406:889:3::7"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-8.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-8.json
index 2e08604a68bcdab9ec48e23820dd567caa60f488..87fa18f6b3512429b984e068ea0283b39344ff1a 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-8.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-8.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.64.8"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:3::8",
+      "kavlan-11": "2001:660:4406:88b:3::8",
+      "kavlan-12": "2001:660:4406:88c:3::8",
+      "kavlan-13": "2001:660:4406:88d:3::8",
+      "kavlan-14": "2001:660:4406:88e:3::8",
+      "kavlan-16": "2001:660:4406:890:3::8",
+      "kavlan-18": "2001:660:4406:892:3::8",
+      "kavlan-2": "2001:660:4406:882:3::8",
+      "kavlan-20": "2001:660:4406:894:3::8",
+      "kavlan-21": "2001:660:4406:895:3::8",
+      "kavlan-3": "2001:660:4406:883:3::8",
+      "kavlan-4": "2001:660:4406:884:3::8",
+      "kavlan-5": "2001:660:4406:885:3::8",
+      "kavlan-6": "2001:660:4406:886:3::8",
+      "kavlan-7": "2001:660:4406:887:3::8",
+      "kavlan-8": "2001:660:4406:888:3::8",
+      "kavlan-9": "2001:660:4406:889:3::8"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-9.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-9.json
index aa393bed5c568864ced92a9a8c9587e806e9e8e6..c8f1f214e8974431a13146cf53bc53b1f40559e5 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-9.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-9.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.64.9"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:3::9",
+      "kavlan-11": "2001:660:4406:88b:3::9",
+      "kavlan-12": "2001:660:4406:88c:3::9",
+      "kavlan-13": "2001:660:4406:88d:3::9",
+      "kavlan-14": "2001:660:4406:88e:3::9",
+      "kavlan-16": "2001:660:4406:890:3::9",
+      "kavlan-18": "2001:660:4406:892:3::9",
+      "kavlan-2": "2001:660:4406:882:3::9",
+      "kavlan-20": "2001:660:4406:894:3::9",
+      "kavlan-21": "2001:660:4406:895:3::9",
+      "kavlan-3": "2001:660:4406:883:3::9",
+      "kavlan-4": "2001:660:4406:884:3::9",
+      "kavlan-5": "2001:660:4406:885:3::9",
+      "kavlan-6": "2001:660:4406:886:3::9",
+      "kavlan-7": "2001:660:4406:887:3::9",
+      "kavlan-8": "2001:660:4406:888:3::9",
+      "kavlan-9": "2001:660:4406:889:3::9"
+    }
+  },
   "main_memory": {
     "ram_size": 34359738368
   },
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-1.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-1.json
index 29cba88154654fb525de7634072787124fd27a33..819c95f26cc9005790fe5cfb6c8013474fa549e3 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-1.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-1.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.65.1"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:5::1",
+      "kavlan-11": "2001:660:4406:88b:5::1",
+      "kavlan-12": "2001:660:4406:88c:5::1",
+      "kavlan-13": "2001:660:4406:88d:5::1",
+      "kavlan-14": "2001:660:4406:88e:5::1",
+      "kavlan-16": "2001:660:4406:890:5::1",
+      "kavlan-18": "2001:660:4406:892:5::1",
+      "kavlan-2": "2001:660:4406:882:5::1",
+      "kavlan-20": "2001:660:4406:894:5::1",
+      "kavlan-21": "2001:660:4406:895:5::1",
+      "kavlan-3": "2001:660:4406:883:5::1",
+      "kavlan-4": "2001:660:4406:884:5::1",
+      "kavlan-5": "2001:660:4406:885:5::1",
+      "kavlan-6": "2001:660:4406:886:5::1",
+      "kavlan-7": "2001:660:4406:887:5::1",
+      "kavlan-8": "2001:660:4406:888:5::1",
+      "kavlan-9": "2001:660:4406:889:5::1"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-10.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-10.json
index 5b5364e795cade7c53998319da9eca9c8d6eb863..acae2a58d77a360ba6e0b2fedabb79f9aac4e46d 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-10.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-10.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.65.10"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:5::a",
+      "kavlan-11": "2001:660:4406:88b:5::a",
+      "kavlan-12": "2001:660:4406:88c:5::a",
+      "kavlan-13": "2001:660:4406:88d:5::a",
+      "kavlan-14": "2001:660:4406:88e:5::a",
+      "kavlan-16": "2001:660:4406:890:5::a",
+      "kavlan-18": "2001:660:4406:892:5::a",
+      "kavlan-2": "2001:660:4406:882:5::a",
+      "kavlan-20": "2001:660:4406:894:5::a",
+      "kavlan-21": "2001:660:4406:895:5::a",
+      "kavlan-3": "2001:660:4406:883:5::a",
+      "kavlan-4": "2001:660:4406:884:5::a",
+      "kavlan-5": "2001:660:4406:885:5::a",
+      "kavlan-6": "2001:660:4406:886:5::a",
+      "kavlan-7": "2001:660:4406:887:5::a",
+      "kavlan-8": "2001:660:4406:888:5::a",
+      "kavlan-9": "2001:660:4406:889:5::a"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-11.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-11.json
index 14301b85b4edad5d6a884231218bd74d0a864890..1ccfc8ed7b318c804fdf9c0eb51dc695f9b63c6f 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-11.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-11.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.65.11"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:5::b",
+      "kavlan-11": "2001:660:4406:88b:5::b",
+      "kavlan-12": "2001:660:4406:88c:5::b",
+      "kavlan-13": "2001:660:4406:88d:5::b",
+      "kavlan-14": "2001:660:4406:88e:5::b",
+      "kavlan-16": "2001:660:4406:890:5::b",
+      "kavlan-18": "2001:660:4406:892:5::b",
+      "kavlan-2": "2001:660:4406:882:5::b",
+      "kavlan-20": "2001:660:4406:894:5::b",
+      "kavlan-21": "2001:660:4406:895:5::b",
+      "kavlan-3": "2001:660:4406:883:5::b",
+      "kavlan-4": "2001:660:4406:884:5::b",
+      "kavlan-5": "2001:660:4406:885:5::b",
+      "kavlan-6": "2001:660:4406:886:5::b",
+      "kavlan-7": "2001:660:4406:887:5::b",
+      "kavlan-8": "2001:660:4406:888:5::b",
+      "kavlan-9": "2001:660:4406:889:5::b"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-12.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-12.json
index 5b146e4322377810e32faafe30322074bd68084c..8d95ce82ec1522b7d3b4cded41f14c8de5fd0275 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-12.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-12.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.65.12"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:5::c",
+      "kavlan-11": "2001:660:4406:88b:5::c",
+      "kavlan-12": "2001:660:4406:88c:5::c",
+      "kavlan-13": "2001:660:4406:88d:5::c",
+      "kavlan-14": "2001:660:4406:88e:5::c",
+      "kavlan-16": "2001:660:4406:890:5::c",
+      "kavlan-18": "2001:660:4406:892:5::c",
+      "kavlan-2": "2001:660:4406:882:5::c",
+      "kavlan-20": "2001:660:4406:894:5::c",
+      "kavlan-21": "2001:660:4406:895:5::c",
+      "kavlan-3": "2001:660:4406:883:5::c",
+      "kavlan-4": "2001:660:4406:884:5::c",
+      "kavlan-5": "2001:660:4406:885:5::c",
+      "kavlan-6": "2001:660:4406:886:5::c",
+      "kavlan-7": "2001:660:4406:887:5::c",
+      "kavlan-8": "2001:660:4406:888:5::c",
+      "kavlan-9": "2001:660:4406:889:5::c"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-14.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-14.json
index 44b7215effb534338148268b72588304298f54aa..20a6877936c36f2f2a27084eea192260197f7106 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-14.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-14.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.65.14"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:5::e",
+      "kavlan-11": "2001:660:4406:88b:5::e",
+      "kavlan-12": "2001:660:4406:88c:5::e",
+      "kavlan-13": "2001:660:4406:88d:5::e",
+      "kavlan-14": "2001:660:4406:88e:5::e",
+      "kavlan-16": "2001:660:4406:890:5::e",
+      "kavlan-18": "2001:660:4406:892:5::e",
+      "kavlan-2": "2001:660:4406:882:5::e",
+      "kavlan-20": "2001:660:4406:894:5::e",
+      "kavlan-21": "2001:660:4406:895:5::e",
+      "kavlan-3": "2001:660:4406:883:5::e",
+      "kavlan-4": "2001:660:4406:884:5::e",
+      "kavlan-5": "2001:660:4406:885:5::e",
+      "kavlan-6": "2001:660:4406:886:5::e",
+      "kavlan-7": "2001:660:4406:887:5::e",
+      "kavlan-8": "2001:660:4406:888:5::e",
+      "kavlan-9": "2001:660:4406:889:5::e"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-15.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-15.json
index 99fba189fc097c91e1292d2035bcf3e5aa9193be..a7b29c432af96284b1320ea6d57ba2b0730204a9 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-15.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-15.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.65.15"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:5::f",
+      "kavlan-11": "2001:660:4406:88b:5::f",
+      "kavlan-12": "2001:660:4406:88c:5::f",
+      "kavlan-13": "2001:660:4406:88d:5::f",
+      "kavlan-14": "2001:660:4406:88e:5::f",
+      "kavlan-16": "2001:660:4406:890:5::f",
+      "kavlan-18": "2001:660:4406:892:5::f",
+      "kavlan-2": "2001:660:4406:882:5::f",
+      "kavlan-20": "2001:660:4406:894:5::f",
+      "kavlan-21": "2001:660:4406:895:5::f",
+      "kavlan-3": "2001:660:4406:883:5::f",
+      "kavlan-4": "2001:660:4406:884:5::f",
+      "kavlan-5": "2001:660:4406:885:5::f",
+      "kavlan-6": "2001:660:4406:886:5::f",
+      "kavlan-7": "2001:660:4406:887:5::f",
+      "kavlan-8": "2001:660:4406:888:5::f",
+      "kavlan-9": "2001:660:4406:889:5::f"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-16.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-16.json
index 632f12ba432147d5bd63c19e5cce4abeedcc3e61..77e89901780d96c8bdb96af19bbf972fc0304814 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-16.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-16.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.65.16"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:5::10",
+      "kavlan-11": "2001:660:4406:88b:5::10",
+      "kavlan-12": "2001:660:4406:88c:5::10",
+      "kavlan-13": "2001:660:4406:88d:5::10",
+      "kavlan-14": "2001:660:4406:88e:5::10",
+      "kavlan-16": "2001:660:4406:890:5::10",
+      "kavlan-18": "2001:660:4406:892:5::10",
+      "kavlan-2": "2001:660:4406:882:5::10",
+      "kavlan-20": "2001:660:4406:894:5::10",
+      "kavlan-21": "2001:660:4406:895:5::10",
+      "kavlan-3": "2001:660:4406:883:5::10",
+      "kavlan-4": "2001:660:4406:884:5::10",
+      "kavlan-5": "2001:660:4406:885:5::10",
+      "kavlan-6": "2001:660:4406:886:5::10",
+      "kavlan-7": "2001:660:4406:887:5::10",
+      "kavlan-8": "2001:660:4406:888:5::10",
+      "kavlan-9": "2001:660:4406:889:5::10"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-17.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-17.json
index 235317e8d9245cf0d1fdea0e7219180399f015fb..d045a7de621e5e63baeec1d9067ac0873e028417 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-17.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-17.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.65.17"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:5::11",
+      "kavlan-11": "2001:660:4406:88b:5::11",
+      "kavlan-12": "2001:660:4406:88c:5::11",
+      "kavlan-13": "2001:660:4406:88d:5::11",
+      "kavlan-14": "2001:660:4406:88e:5::11",
+      "kavlan-16": "2001:660:4406:890:5::11",
+      "kavlan-18": "2001:660:4406:892:5::11",
+      "kavlan-2": "2001:660:4406:882:5::11",
+      "kavlan-20": "2001:660:4406:894:5::11",
+      "kavlan-21": "2001:660:4406:895:5::11",
+      "kavlan-3": "2001:660:4406:883:5::11",
+      "kavlan-4": "2001:660:4406:884:5::11",
+      "kavlan-5": "2001:660:4406:885:5::11",
+      "kavlan-6": "2001:660:4406:886:5::11",
+      "kavlan-7": "2001:660:4406:887:5::11",
+      "kavlan-8": "2001:660:4406:888:5::11",
+      "kavlan-9": "2001:660:4406:889:5::11"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-18.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-18.json
index 89537931939d676751dfbb47deae0703458cc47e..75e7eb8a596b981869ab7d4ce85a18b43876137f 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-18.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-18.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.65.18"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:5::12",
+      "kavlan-11": "2001:660:4406:88b:5::12",
+      "kavlan-12": "2001:660:4406:88c:5::12",
+      "kavlan-13": "2001:660:4406:88d:5::12",
+      "kavlan-14": "2001:660:4406:88e:5::12",
+      "kavlan-16": "2001:660:4406:890:5::12",
+      "kavlan-18": "2001:660:4406:892:5::12",
+      "kavlan-2": "2001:660:4406:882:5::12",
+      "kavlan-20": "2001:660:4406:894:5::12",
+      "kavlan-21": "2001:660:4406:895:5::12",
+      "kavlan-3": "2001:660:4406:883:5::12",
+      "kavlan-4": "2001:660:4406:884:5::12",
+      "kavlan-5": "2001:660:4406:885:5::12",
+      "kavlan-6": "2001:660:4406:886:5::12",
+      "kavlan-7": "2001:660:4406:887:5::12",
+      "kavlan-8": "2001:660:4406:888:5::12",
+      "kavlan-9": "2001:660:4406:889:5::12"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-19.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-19.json
index 6a4b7aba0d89341e28f28cbc57e2b16341c73a67..4417695e5721cbf6df9b36612938dccfa516bedf 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-19.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-19.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.65.19"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:5::13",
+      "kavlan-11": "2001:660:4406:88b:5::13",
+      "kavlan-12": "2001:660:4406:88c:5::13",
+      "kavlan-13": "2001:660:4406:88d:5::13",
+      "kavlan-14": "2001:660:4406:88e:5::13",
+      "kavlan-16": "2001:660:4406:890:5::13",
+      "kavlan-18": "2001:660:4406:892:5::13",
+      "kavlan-2": "2001:660:4406:882:5::13",
+      "kavlan-20": "2001:660:4406:894:5::13",
+      "kavlan-21": "2001:660:4406:895:5::13",
+      "kavlan-3": "2001:660:4406:883:5::13",
+      "kavlan-4": "2001:660:4406:884:5::13",
+      "kavlan-5": "2001:660:4406:885:5::13",
+      "kavlan-6": "2001:660:4406:886:5::13",
+      "kavlan-7": "2001:660:4406:887:5::13",
+      "kavlan-8": "2001:660:4406:888:5::13",
+      "kavlan-9": "2001:660:4406:889:5::13"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-2.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-2.json
index c6c3bd5f94f6c1fa5e138fa74437772c722ddb7c..006e0e0666448238ebe5b7b9b1adf58d1e6ff34a 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-2.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-2.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.65.2"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:5::2",
+      "kavlan-11": "2001:660:4406:88b:5::2",
+      "kavlan-12": "2001:660:4406:88c:5::2",
+      "kavlan-13": "2001:660:4406:88d:5::2",
+      "kavlan-14": "2001:660:4406:88e:5::2",
+      "kavlan-16": "2001:660:4406:890:5::2",
+      "kavlan-18": "2001:660:4406:892:5::2",
+      "kavlan-2": "2001:660:4406:882:5::2",
+      "kavlan-20": "2001:660:4406:894:5::2",
+      "kavlan-21": "2001:660:4406:895:5::2",
+      "kavlan-3": "2001:660:4406:883:5::2",
+      "kavlan-4": "2001:660:4406:884:5::2",
+      "kavlan-5": "2001:660:4406:885:5::2",
+      "kavlan-6": "2001:660:4406:886:5::2",
+      "kavlan-7": "2001:660:4406:887:5::2",
+      "kavlan-8": "2001:660:4406:888:5::2",
+      "kavlan-9": "2001:660:4406:889:5::2"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-20.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-20.json
index ae3d2a03f937c96f4a6cfef5f3d728b06b7c24d4..e6808e87f98618d3d844a17f2eca0570a93a26ea 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-20.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-20.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.65.20"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:5::14",
+      "kavlan-11": "2001:660:4406:88b:5::14",
+      "kavlan-12": "2001:660:4406:88c:5::14",
+      "kavlan-13": "2001:660:4406:88d:5::14",
+      "kavlan-14": "2001:660:4406:88e:5::14",
+      "kavlan-16": "2001:660:4406:890:5::14",
+      "kavlan-18": "2001:660:4406:892:5::14",
+      "kavlan-2": "2001:660:4406:882:5::14",
+      "kavlan-20": "2001:660:4406:894:5::14",
+      "kavlan-21": "2001:660:4406:895:5::14",
+      "kavlan-3": "2001:660:4406:883:5::14",
+      "kavlan-4": "2001:660:4406:884:5::14",
+      "kavlan-5": "2001:660:4406:885:5::14",
+      "kavlan-6": "2001:660:4406:886:5::14",
+      "kavlan-7": "2001:660:4406:887:5::14",
+      "kavlan-8": "2001:660:4406:888:5::14",
+      "kavlan-9": "2001:660:4406:889:5::14"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-21.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-21.json
index d47a76d0a85a9ebd3012241ed2b8d1c5b892be7d..866d3991292f758ca5613f416ec98e00942124f4 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-21.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-21.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.65.21"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:5::15",
+      "kavlan-11": "2001:660:4406:88b:5::15",
+      "kavlan-12": "2001:660:4406:88c:5::15",
+      "kavlan-13": "2001:660:4406:88d:5::15",
+      "kavlan-14": "2001:660:4406:88e:5::15",
+      "kavlan-16": "2001:660:4406:890:5::15",
+      "kavlan-18": "2001:660:4406:892:5::15",
+      "kavlan-2": "2001:660:4406:882:5::15",
+      "kavlan-20": "2001:660:4406:894:5::15",
+      "kavlan-21": "2001:660:4406:895:5::15",
+      "kavlan-3": "2001:660:4406:883:5::15",
+      "kavlan-4": "2001:660:4406:884:5::15",
+      "kavlan-5": "2001:660:4406:885:5::15",
+      "kavlan-6": "2001:660:4406:886:5::15",
+      "kavlan-7": "2001:660:4406:887:5::15",
+      "kavlan-8": "2001:660:4406:888:5::15",
+      "kavlan-9": "2001:660:4406:889:5::15"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-22.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-22.json
index 00f575a1731f75898132c3f7f9a36e037613c341..4ef4faa97a8f292e52278ee806f0aa65ed351d41 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-22.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-22.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.65.22"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:5::16",
+      "kavlan-11": "2001:660:4406:88b:5::16",
+      "kavlan-12": "2001:660:4406:88c:5::16",
+      "kavlan-13": "2001:660:4406:88d:5::16",
+      "kavlan-14": "2001:660:4406:88e:5::16",
+      "kavlan-16": "2001:660:4406:890:5::16",
+      "kavlan-18": "2001:660:4406:892:5::16",
+      "kavlan-2": "2001:660:4406:882:5::16",
+      "kavlan-20": "2001:660:4406:894:5::16",
+      "kavlan-21": "2001:660:4406:895:5::16",
+      "kavlan-3": "2001:660:4406:883:5::16",
+      "kavlan-4": "2001:660:4406:884:5::16",
+      "kavlan-5": "2001:660:4406:885:5::16",
+      "kavlan-6": "2001:660:4406:886:5::16",
+      "kavlan-7": "2001:660:4406:887:5::16",
+      "kavlan-8": "2001:660:4406:888:5::16",
+      "kavlan-9": "2001:660:4406:889:5::16"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-23.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-23.json
index d02d9d31b3f21eed2b133e0a9cd65b5351c5574b..98b22cb20ab3920a0dc5ec8a151c14fd4102f5f2 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-23.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-23.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.65.23"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:5::17",
+      "kavlan-11": "2001:660:4406:88b:5::17",
+      "kavlan-12": "2001:660:4406:88c:5::17",
+      "kavlan-13": "2001:660:4406:88d:5::17",
+      "kavlan-14": "2001:660:4406:88e:5::17",
+      "kavlan-16": "2001:660:4406:890:5::17",
+      "kavlan-18": "2001:660:4406:892:5::17",
+      "kavlan-2": "2001:660:4406:882:5::17",
+      "kavlan-20": "2001:660:4406:894:5::17",
+      "kavlan-21": "2001:660:4406:895:5::17",
+      "kavlan-3": "2001:660:4406:883:5::17",
+      "kavlan-4": "2001:660:4406:884:5::17",
+      "kavlan-5": "2001:660:4406:885:5::17",
+      "kavlan-6": "2001:660:4406:886:5::17",
+      "kavlan-7": "2001:660:4406:887:5::17",
+      "kavlan-8": "2001:660:4406:888:5::17",
+      "kavlan-9": "2001:660:4406:889:5::17"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-24.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-24.json
index 4670c856ea9b71a1d46e74628c3e68deac2fc8c2..499248a2ac16fadba8d1fb5129a948b89694932f 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-24.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-24.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.65.24"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:5::18",
+      "kavlan-11": "2001:660:4406:88b:5::18",
+      "kavlan-12": "2001:660:4406:88c:5::18",
+      "kavlan-13": "2001:660:4406:88d:5::18",
+      "kavlan-14": "2001:660:4406:88e:5::18",
+      "kavlan-16": "2001:660:4406:890:5::18",
+      "kavlan-18": "2001:660:4406:892:5::18",
+      "kavlan-2": "2001:660:4406:882:5::18",
+      "kavlan-20": "2001:660:4406:894:5::18",
+      "kavlan-21": "2001:660:4406:895:5::18",
+      "kavlan-3": "2001:660:4406:883:5::18",
+      "kavlan-4": "2001:660:4406:884:5::18",
+      "kavlan-5": "2001:660:4406:885:5::18",
+      "kavlan-6": "2001:660:4406:886:5::18",
+      "kavlan-7": "2001:660:4406:887:5::18",
+      "kavlan-8": "2001:660:4406:888:5::18",
+      "kavlan-9": "2001:660:4406:889:5::18"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-25.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-25.json
index 09a817556827bd0ea1b339bf098875de8fa793b1..0ed8edff36602804cafb68792f3fda2e5047f681 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-25.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-25.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.65.25"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:5::19",
+      "kavlan-11": "2001:660:4406:88b:5::19",
+      "kavlan-12": "2001:660:4406:88c:5::19",
+      "kavlan-13": "2001:660:4406:88d:5::19",
+      "kavlan-14": "2001:660:4406:88e:5::19",
+      "kavlan-16": "2001:660:4406:890:5::19",
+      "kavlan-18": "2001:660:4406:892:5::19",
+      "kavlan-2": "2001:660:4406:882:5::19",
+      "kavlan-20": "2001:660:4406:894:5::19",
+      "kavlan-21": "2001:660:4406:895:5::19",
+      "kavlan-3": "2001:660:4406:883:5::19",
+      "kavlan-4": "2001:660:4406:884:5::19",
+      "kavlan-5": "2001:660:4406:885:5::19",
+      "kavlan-6": "2001:660:4406:886:5::19",
+      "kavlan-7": "2001:660:4406:887:5::19",
+      "kavlan-8": "2001:660:4406:888:5::19",
+      "kavlan-9": "2001:660:4406:889:5::19"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-26.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-26.json
index c4a33610fa32ceba34b7c20795cbb17fda1a8ea8..c594e9083e6466500e84d833b534305b86f7a70e 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-26.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-26.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.65.26"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:5::1a",
+      "kavlan-11": "2001:660:4406:88b:5::1a",
+      "kavlan-12": "2001:660:4406:88c:5::1a",
+      "kavlan-13": "2001:660:4406:88d:5::1a",
+      "kavlan-14": "2001:660:4406:88e:5::1a",
+      "kavlan-16": "2001:660:4406:890:5::1a",
+      "kavlan-18": "2001:660:4406:892:5::1a",
+      "kavlan-2": "2001:660:4406:882:5::1a",
+      "kavlan-20": "2001:660:4406:894:5::1a",
+      "kavlan-21": "2001:660:4406:895:5::1a",
+      "kavlan-3": "2001:660:4406:883:5::1a",
+      "kavlan-4": "2001:660:4406:884:5::1a",
+      "kavlan-5": "2001:660:4406:885:5::1a",
+      "kavlan-6": "2001:660:4406:886:5::1a",
+      "kavlan-7": "2001:660:4406:887:5::1a",
+      "kavlan-8": "2001:660:4406:888:5::1a",
+      "kavlan-9": "2001:660:4406:889:5::1a"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-27.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-27.json
index 672fb991c765f79cd77c5f0c28c708fed7625816..c19fb1159f45ab11d06aec69fcd494cd006c8dea 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-27.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-27.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.65.27"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:5::1b",
+      "kavlan-11": "2001:660:4406:88b:5::1b",
+      "kavlan-12": "2001:660:4406:88c:5::1b",
+      "kavlan-13": "2001:660:4406:88d:5::1b",
+      "kavlan-14": "2001:660:4406:88e:5::1b",
+      "kavlan-16": "2001:660:4406:890:5::1b",
+      "kavlan-18": "2001:660:4406:892:5::1b",
+      "kavlan-2": "2001:660:4406:882:5::1b",
+      "kavlan-20": "2001:660:4406:894:5::1b",
+      "kavlan-21": "2001:660:4406:895:5::1b",
+      "kavlan-3": "2001:660:4406:883:5::1b",
+      "kavlan-4": "2001:660:4406:884:5::1b",
+      "kavlan-5": "2001:660:4406:885:5::1b",
+      "kavlan-6": "2001:660:4406:886:5::1b",
+      "kavlan-7": "2001:660:4406:887:5::1b",
+      "kavlan-8": "2001:660:4406:888:5::1b",
+      "kavlan-9": "2001:660:4406:889:5::1b"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-28.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-28.json
index 85c0a0b53220b732dbab291a7acc0acea28b17a4..87dac7bae77beac04859ddef28e0167ea45f9f95 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-28.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-28.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.65.28"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:5::1c",
+      "kavlan-11": "2001:660:4406:88b:5::1c",
+      "kavlan-12": "2001:660:4406:88c:5::1c",
+      "kavlan-13": "2001:660:4406:88d:5::1c",
+      "kavlan-14": "2001:660:4406:88e:5::1c",
+      "kavlan-16": "2001:660:4406:890:5::1c",
+      "kavlan-18": "2001:660:4406:892:5::1c",
+      "kavlan-2": "2001:660:4406:882:5::1c",
+      "kavlan-20": "2001:660:4406:894:5::1c",
+      "kavlan-21": "2001:660:4406:895:5::1c",
+      "kavlan-3": "2001:660:4406:883:5::1c",
+      "kavlan-4": "2001:660:4406:884:5::1c",
+      "kavlan-5": "2001:660:4406:885:5::1c",
+      "kavlan-6": "2001:660:4406:886:5::1c",
+      "kavlan-7": "2001:660:4406:887:5::1c",
+      "kavlan-8": "2001:660:4406:888:5::1c",
+      "kavlan-9": "2001:660:4406:889:5::1c"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-29.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-29.json
index 2b3e4976a7eddcbd54c7f6727c538e526b7e7f92..5bd6af2caa7a598995e8a49b04e88f8da8879af9 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-29.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-29.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.65.29"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:5::1d",
+      "kavlan-11": "2001:660:4406:88b:5::1d",
+      "kavlan-12": "2001:660:4406:88c:5::1d",
+      "kavlan-13": "2001:660:4406:88d:5::1d",
+      "kavlan-14": "2001:660:4406:88e:5::1d",
+      "kavlan-16": "2001:660:4406:890:5::1d",
+      "kavlan-18": "2001:660:4406:892:5::1d",
+      "kavlan-2": "2001:660:4406:882:5::1d",
+      "kavlan-20": "2001:660:4406:894:5::1d",
+      "kavlan-21": "2001:660:4406:895:5::1d",
+      "kavlan-3": "2001:660:4406:883:5::1d",
+      "kavlan-4": "2001:660:4406:884:5::1d",
+      "kavlan-5": "2001:660:4406:885:5::1d",
+      "kavlan-6": "2001:660:4406:886:5::1d",
+      "kavlan-7": "2001:660:4406:887:5::1d",
+      "kavlan-8": "2001:660:4406:888:5::1d",
+      "kavlan-9": "2001:660:4406:889:5::1d"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-3.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-3.json
index ee9354b9d3f288d90cf361cc37d83fd8d6d4105b..2a563e253ee7370ae4755422fe1df2c0e6ce63f4 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-3.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-3.json
@@ -37,6 +37,27 @@
       "kavlan-9": "10.33.65.3"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:5::3",
+      "kavlan-11": "2001:660:4406:88b:5::3",
+      "kavlan-12": "2001:660:4406:88c:5::3",
+      "kavlan-13": "2001:660:4406:88d:5::3",
+      "kavlan-14": "2001:660:4406:88e:5::3",
+      "kavlan-16": "2001:660:4406:890:5::3",
+      "kavlan-18": "2001:660:4406:892:5::3",
+      "kavlan-2": "2001:660:4406:882:5::3",
+      "kavlan-20": "2001:660:4406:894:5::3",
+      "kavlan-21": "2001:660:4406:895:5::3",
+      "kavlan-3": "2001:660:4406:883:5::3",
+      "kavlan-4": "2001:660:4406:884:5::3",
+      "kavlan-5": "2001:660:4406:885:5::3",
+      "kavlan-6": "2001:660:4406:886:5::3",
+      "kavlan-7": "2001:660:4406:887:5::3",
+      "kavlan-8": "2001:660:4406:888:5::3",
+      "kavlan-9": "2001:660:4406:889:5::3"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-30.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-30.json
index 77592ec974e25de20f385a4dbb7ed4d7dc459b0e..15be81e52bc3552eeede01825efa3412a96ed7ab 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-30.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-30.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.65.30"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:5::1e",
+      "kavlan-11": "2001:660:4406:88b:5::1e",
+      "kavlan-12": "2001:660:4406:88c:5::1e",
+      "kavlan-13": "2001:660:4406:88d:5::1e",
+      "kavlan-14": "2001:660:4406:88e:5::1e",
+      "kavlan-16": "2001:660:4406:890:5::1e",
+      "kavlan-18": "2001:660:4406:892:5::1e",
+      "kavlan-2": "2001:660:4406:882:5::1e",
+      "kavlan-20": "2001:660:4406:894:5::1e",
+      "kavlan-21": "2001:660:4406:895:5::1e",
+      "kavlan-3": "2001:660:4406:883:5::1e",
+      "kavlan-4": "2001:660:4406:884:5::1e",
+      "kavlan-5": "2001:660:4406:885:5::1e",
+      "kavlan-6": "2001:660:4406:886:5::1e",
+      "kavlan-7": "2001:660:4406:887:5::1e",
+      "kavlan-8": "2001:660:4406:888:5::1e",
+      "kavlan-9": "2001:660:4406:889:5::1e"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-31.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-31.json
index 12b96474f33cf1f8093c1620ed6dddac03ad8407..bff170e602e87f4f9de79477725bd93106bc0950 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-31.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-31.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.65.31"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:5::1f",
+      "kavlan-11": "2001:660:4406:88b:5::1f",
+      "kavlan-12": "2001:660:4406:88c:5::1f",
+      "kavlan-13": "2001:660:4406:88d:5::1f",
+      "kavlan-14": "2001:660:4406:88e:5::1f",
+      "kavlan-16": "2001:660:4406:890:5::1f",
+      "kavlan-18": "2001:660:4406:892:5::1f",
+      "kavlan-2": "2001:660:4406:882:5::1f",
+      "kavlan-20": "2001:660:4406:894:5::1f",
+      "kavlan-21": "2001:660:4406:895:5::1f",
+      "kavlan-3": "2001:660:4406:883:5::1f",
+      "kavlan-4": "2001:660:4406:884:5::1f",
+      "kavlan-5": "2001:660:4406:885:5::1f",
+      "kavlan-6": "2001:660:4406:886:5::1f",
+      "kavlan-7": "2001:660:4406:887:5::1f",
+      "kavlan-8": "2001:660:4406:888:5::1f",
+      "kavlan-9": "2001:660:4406:889:5::1f"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-32.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-32.json
index 92045bbc5cf43c46ccda86609f3b79fb71faa99e..98c52ee2d86b2672beaedcf62706c0f26aed9a9c 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-32.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-32.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.65.32"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:5::20",
+      "kavlan-11": "2001:660:4406:88b:5::20",
+      "kavlan-12": "2001:660:4406:88c:5::20",
+      "kavlan-13": "2001:660:4406:88d:5::20",
+      "kavlan-14": "2001:660:4406:88e:5::20",
+      "kavlan-16": "2001:660:4406:890:5::20",
+      "kavlan-18": "2001:660:4406:892:5::20",
+      "kavlan-2": "2001:660:4406:882:5::20",
+      "kavlan-20": "2001:660:4406:894:5::20",
+      "kavlan-21": "2001:660:4406:895:5::20",
+      "kavlan-3": "2001:660:4406:883:5::20",
+      "kavlan-4": "2001:660:4406:884:5::20",
+      "kavlan-5": "2001:660:4406:885:5::20",
+      "kavlan-6": "2001:660:4406:886:5::20",
+      "kavlan-7": "2001:660:4406:887:5::20",
+      "kavlan-8": "2001:660:4406:888:5::20",
+      "kavlan-9": "2001:660:4406:889:5::20"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-33.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-33.json
index 6e8c4e65468e22ed822c8840e97bb2520b0789b1..7901aaeef92fa1f9e8c4705135c5be628c5238a1 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-33.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-33.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.65.33"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:5::21",
+      "kavlan-11": "2001:660:4406:88b:5::21",
+      "kavlan-12": "2001:660:4406:88c:5::21",
+      "kavlan-13": "2001:660:4406:88d:5::21",
+      "kavlan-14": "2001:660:4406:88e:5::21",
+      "kavlan-16": "2001:660:4406:890:5::21",
+      "kavlan-18": "2001:660:4406:892:5::21",
+      "kavlan-2": "2001:660:4406:882:5::21",
+      "kavlan-20": "2001:660:4406:894:5::21",
+      "kavlan-21": "2001:660:4406:895:5::21",
+      "kavlan-3": "2001:660:4406:883:5::21",
+      "kavlan-4": "2001:660:4406:884:5::21",
+      "kavlan-5": "2001:660:4406:885:5::21",
+      "kavlan-6": "2001:660:4406:886:5::21",
+      "kavlan-7": "2001:660:4406:887:5::21",
+      "kavlan-8": "2001:660:4406:888:5::21",
+      "kavlan-9": "2001:660:4406:889:5::21"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-34.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-34.json
index 8eff78e49d8d5c38419e7c697c6336edc54a5765..57b57637a40f98fae5820276f7f94319efd04ea8 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-34.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-34.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.65.34"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:5::22",
+      "kavlan-11": "2001:660:4406:88b:5::22",
+      "kavlan-12": "2001:660:4406:88c:5::22",
+      "kavlan-13": "2001:660:4406:88d:5::22",
+      "kavlan-14": "2001:660:4406:88e:5::22",
+      "kavlan-16": "2001:660:4406:890:5::22",
+      "kavlan-18": "2001:660:4406:892:5::22",
+      "kavlan-2": "2001:660:4406:882:5::22",
+      "kavlan-20": "2001:660:4406:894:5::22",
+      "kavlan-21": "2001:660:4406:895:5::22",
+      "kavlan-3": "2001:660:4406:883:5::22",
+      "kavlan-4": "2001:660:4406:884:5::22",
+      "kavlan-5": "2001:660:4406:885:5::22",
+      "kavlan-6": "2001:660:4406:886:5::22",
+      "kavlan-7": "2001:660:4406:887:5::22",
+      "kavlan-8": "2001:660:4406:888:5::22",
+      "kavlan-9": "2001:660:4406:889:5::22"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-35.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-35.json
index fd04914a7174834316e8256d4e7ef42323863519..8b22635f11803b07387c6efd4921aeee900e637b 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-35.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-35.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.65.35"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:5::23",
+      "kavlan-11": "2001:660:4406:88b:5::23",
+      "kavlan-12": "2001:660:4406:88c:5::23",
+      "kavlan-13": "2001:660:4406:88d:5::23",
+      "kavlan-14": "2001:660:4406:88e:5::23",
+      "kavlan-16": "2001:660:4406:890:5::23",
+      "kavlan-18": "2001:660:4406:892:5::23",
+      "kavlan-2": "2001:660:4406:882:5::23",
+      "kavlan-20": "2001:660:4406:894:5::23",
+      "kavlan-21": "2001:660:4406:895:5::23",
+      "kavlan-3": "2001:660:4406:883:5::23",
+      "kavlan-4": "2001:660:4406:884:5::23",
+      "kavlan-5": "2001:660:4406:885:5::23",
+      "kavlan-6": "2001:660:4406:886:5::23",
+      "kavlan-7": "2001:660:4406:887:5::23",
+      "kavlan-8": "2001:660:4406:888:5::23",
+      "kavlan-9": "2001:660:4406:889:5::23"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-36.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-36.json
index 289e8eac44b8eac8526f3ca922859ed6cb2656d8..eaf122915d90d882fde5addbfeede2ca9c1fc7b4 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-36.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-36.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.65.36"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:5::24",
+      "kavlan-11": "2001:660:4406:88b:5::24",
+      "kavlan-12": "2001:660:4406:88c:5::24",
+      "kavlan-13": "2001:660:4406:88d:5::24",
+      "kavlan-14": "2001:660:4406:88e:5::24",
+      "kavlan-16": "2001:660:4406:890:5::24",
+      "kavlan-18": "2001:660:4406:892:5::24",
+      "kavlan-2": "2001:660:4406:882:5::24",
+      "kavlan-20": "2001:660:4406:894:5::24",
+      "kavlan-21": "2001:660:4406:895:5::24",
+      "kavlan-3": "2001:660:4406:883:5::24",
+      "kavlan-4": "2001:660:4406:884:5::24",
+      "kavlan-5": "2001:660:4406:885:5::24",
+      "kavlan-6": "2001:660:4406:886:5::24",
+      "kavlan-7": "2001:660:4406:887:5::24",
+      "kavlan-8": "2001:660:4406:888:5::24",
+      "kavlan-9": "2001:660:4406:889:5::24"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-37.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-37.json
index c4c908df0bd6d9dd7afd56dd7efffe5158c6f6db..2e5d7010fdd9f3214130221e0ffec7aa1fe2a709 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-37.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-37.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.65.37"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:5::25",
+      "kavlan-11": "2001:660:4406:88b:5::25",
+      "kavlan-12": "2001:660:4406:88c:5::25",
+      "kavlan-13": "2001:660:4406:88d:5::25",
+      "kavlan-14": "2001:660:4406:88e:5::25",
+      "kavlan-16": "2001:660:4406:890:5::25",
+      "kavlan-18": "2001:660:4406:892:5::25",
+      "kavlan-2": "2001:660:4406:882:5::25",
+      "kavlan-20": "2001:660:4406:894:5::25",
+      "kavlan-21": "2001:660:4406:895:5::25",
+      "kavlan-3": "2001:660:4406:883:5::25",
+      "kavlan-4": "2001:660:4406:884:5::25",
+      "kavlan-5": "2001:660:4406:885:5::25",
+      "kavlan-6": "2001:660:4406:886:5::25",
+      "kavlan-7": "2001:660:4406:887:5::25",
+      "kavlan-8": "2001:660:4406:888:5::25",
+      "kavlan-9": "2001:660:4406:889:5::25"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-38.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-38.json
index 46ecd659b446c98acf098b27f7dd4e35f43eabbd..355cb141b5400bd832fa8181eec4ffcf5751d31d 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-38.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-38.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.65.38"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:5::26",
+      "kavlan-11": "2001:660:4406:88b:5::26",
+      "kavlan-12": "2001:660:4406:88c:5::26",
+      "kavlan-13": "2001:660:4406:88d:5::26",
+      "kavlan-14": "2001:660:4406:88e:5::26",
+      "kavlan-16": "2001:660:4406:890:5::26",
+      "kavlan-18": "2001:660:4406:892:5::26",
+      "kavlan-2": "2001:660:4406:882:5::26",
+      "kavlan-20": "2001:660:4406:894:5::26",
+      "kavlan-21": "2001:660:4406:895:5::26",
+      "kavlan-3": "2001:660:4406:883:5::26",
+      "kavlan-4": "2001:660:4406:884:5::26",
+      "kavlan-5": "2001:660:4406:885:5::26",
+      "kavlan-6": "2001:660:4406:886:5::26",
+      "kavlan-7": "2001:660:4406:887:5::26",
+      "kavlan-8": "2001:660:4406:888:5::26",
+      "kavlan-9": "2001:660:4406:889:5::26"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-39.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-39.json
index 22af8a135199f096787dc630f721dbbfb6d890fb..54bb0ff78433abe23d9092ce77fd61d98b36e358 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-39.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-39.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.65.39"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:5::27",
+      "kavlan-11": "2001:660:4406:88b:5::27",
+      "kavlan-12": "2001:660:4406:88c:5::27",
+      "kavlan-13": "2001:660:4406:88d:5::27",
+      "kavlan-14": "2001:660:4406:88e:5::27",
+      "kavlan-16": "2001:660:4406:890:5::27",
+      "kavlan-18": "2001:660:4406:892:5::27",
+      "kavlan-2": "2001:660:4406:882:5::27",
+      "kavlan-20": "2001:660:4406:894:5::27",
+      "kavlan-21": "2001:660:4406:895:5::27",
+      "kavlan-3": "2001:660:4406:883:5::27",
+      "kavlan-4": "2001:660:4406:884:5::27",
+      "kavlan-5": "2001:660:4406:885:5::27",
+      "kavlan-6": "2001:660:4406:886:5::27",
+      "kavlan-7": "2001:660:4406:887:5::27",
+      "kavlan-8": "2001:660:4406:888:5::27",
+      "kavlan-9": "2001:660:4406:889:5::27"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-4.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-4.json
index ea7709bd2bc7cef862572b992aa34c65cc6493eb..7d58d2303a3160c5df16027b38cdec525553e165 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-4.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-4.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.65.4"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:5::4",
+      "kavlan-11": "2001:660:4406:88b:5::4",
+      "kavlan-12": "2001:660:4406:88c:5::4",
+      "kavlan-13": "2001:660:4406:88d:5::4",
+      "kavlan-14": "2001:660:4406:88e:5::4",
+      "kavlan-16": "2001:660:4406:890:5::4",
+      "kavlan-18": "2001:660:4406:892:5::4",
+      "kavlan-2": "2001:660:4406:882:5::4",
+      "kavlan-20": "2001:660:4406:894:5::4",
+      "kavlan-21": "2001:660:4406:895:5::4",
+      "kavlan-3": "2001:660:4406:883:5::4",
+      "kavlan-4": "2001:660:4406:884:5::4",
+      "kavlan-5": "2001:660:4406:885:5::4",
+      "kavlan-6": "2001:660:4406:886:5::4",
+      "kavlan-7": "2001:660:4406:887:5::4",
+      "kavlan-8": "2001:660:4406:888:5::4",
+      "kavlan-9": "2001:660:4406:889:5::4"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-40.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-40.json
index b6bc419071feb392202524ba53296a57386f3ef8..51f0757e54a472be92db6580fd3f1bd23752eb7f 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-40.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-40.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.65.40"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:5::28",
+      "kavlan-11": "2001:660:4406:88b:5::28",
+      "kavlan-12": "2001:660:4406:88c:5::28",
+      "kavlan-13": "2001:660:4406:88d:5::28",
+      "kavlan-14": "2001:660:4406:88e:5::28",
+      "kavlan-16": "2001:660:4406:890:5::28",
+      "kavlan-18": "2001:660:4406:892:5::28",
+      "kavlan-2": "2001:660:4406:882:5::28",
+      "kavlan-20": "2001:660:4406:894:5::28",
+      "kavlan-21": "2001:660:4406:895:5::28",
+      "kavlan-3": "2001:660:4406:883:5::28",
+      "kavlan-4": "2001:660:4406:884:5::28",
+      "kavlan-5": "2001:660:4406:885:5::28",
+      "kavlan-6": "2001:660:4406:886:5::28",
+      "kavlan-7": "2001:660:4406:887:5::28",
+      "kavlan-8": "2001:660:4406:888:5::28",
+      "kavlan-9": "2001:660:4406:889:5::28"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-41.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-41.json
index 6d14eafa7ade3c3933d060826b0b603fc08785d0..e15e6fb361130ccd2a062cee405d363794fb9f0d 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-41.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-41.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.65.41"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:5::29",
+      "kavlan-11": "2001:660:4406:88b:5::29",
+      "kavlan-12": "2001:660:4406:88c:5::29",
+      "kavlan-13": "2001:660:4406:88d:5::29",
+      "kavlan-14": "2001:660:4406:88e:5::29",
+      "kavlan-16": "2001:660:4406:890:5::29",
+      "kavlan-18": "2001:660:4406:892:5::29",
+      "kavlan-2": "2001:660:4406:882:5::29",
+      "kavlan-20": "2001:660:4406:894:5::29",
+      "kavlan-21": "2001:660:4406:895:5::29",
+      "kavlan-3": "2001:660:4406:883:5::29",
+      "kavlan-4": "2001:660:4406:884:5::29",
+      "kavlan-5": "2001:660:4406:885:5::29",
+      "kavlan-6": "2001:660:4406:886:5::29",
+      "kavlan-7": "2001:660:4406:887:5::29",
+      "kavlan-8": "2001:660:4406:888:5::29",
+      "kavlan-9": "2001:660:4406:889:5::29"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-42.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-42.json
index 14a12fcb9696897b6d6c5419febaa2ce9d2bad71..5300bce96957848ebeec0dc6520b06e2ab297384 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-42.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-42.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.65.42"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:5::2a",
+      "kavlan-11": "2001:660:4406:88b:5::2a",
+      "kavlan-12": "2001:660:4406:88c:5::2a",
+      "kavlan-13": "2001:660:4406:88d:5::2a",
+      "kavlan-14": "2001:660:4406:88e:5::2a",
+      "kavlan-16": "2001:660:4406:890:5::2a",
+      "kavlan-18": "2001:660:4406:892:5::2a",
+      "kavlan-2": "2001:660:4406:882:5::2a",
+      "kavlan-20": "2001:660:4406:894:5::2a",
+      "kavlan-21": "2001:660:4406:895:5::2a",
+      "kavlan-3": "2001:660:4406:883:5::2a",
+      "kavlan-4": "2001:660:4406:884:5::2a",
+      "kavlan-5": "2001:660:4406:885:5::2a",
+      "kavlan-6": "2001:660:4406:886:5::2a",
+      "kavlan-7": "2001:660:4406:887:5::2a",
+      "kavlan-8": "2001:660:4406:888:5::2a",
+      "kavlan-9": "2001:660:4406:889:5::2a"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-43.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-43.json
index 8db644787135a4715464dc3c21414ff3dfcd4ab1..ae1c51f16b975e6abb0a84923dd0162d829b8dbb 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-43.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-43.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.65.43"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:5::2b",
+      "kavlan-11": "2001:660:4406:88b:5::2b",
+      "kavlan-12": "2001:660:4406:88c:5::2b",
+      "kavlan-13": "2001:660:4406:88d:5::2b",
+      "kavlan-14": "2001:660:4406:88e:5::2b",
+      "kavlan-16": "2001:660:4406:890:5::2b",
+      "kavlan-18": "2001:660:4406:892:5::2b",
+      "kavlan-2": "2001:660:4406:882:5::2b",
+      "kavlan-20": "2001:660:4406:894:5::2b",
+      "kavlan-21": "2001:660:4406:895:5::2b",
+      "kavlan-3": "2001:660:4406:883:5::2b",
+      "kavlan-4": "2001:660:4406:884:5::2b",
+      "kavlan-5": "2001:660:4406:885:5::2b",
+      "kavlan-6": "2001:660:4406:886:5::2b",
+      "kavlan-7": "2001:660:4406:887:5::2b",
+      "kavlan-8": "2001:660:4406:888:5::2b",
+      "kavlan-9": "2001:660:4406:889:5::2b"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-44.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-44.json
index 2fd39293984867a40a2c026145d4ed30792a95cb..5c1ab31d5e28b776f74aa3e2fb72eee88c8a67f0 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-44.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-44.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.65.44"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:5::2c",
+      "kavlan-11": "2001:660:4406:88b:5::2c",
+      "kavlan-12": "2001:660:4406:88c:5::2c",
+      "kavlan-13": "2001:660:4406:88d:5::2c",
+      "kavlan-14": "2001:660:4406:88e:5::2c",
+      "kavlan-16": "2001:660:4406:890:5::2c",
+      "kavlan-18": "2001:660:4406:892:5::2c",
+      "kavlan-2": "2001:660:4406:882:5::2c",
+      "kavlan-20": "2001:660:4406:894:5::2c",
+      "kavlan-21": "2001:660:4406:895:5::2c",
+      "kavlan-3": "2001:660:4406:883:5::2c",
+      "kavlan-4": "2001:660:4406:884:5::2c",
+      "kavlan-5": "2001:660:4406:885:5::2c",
+      "kavlan-6": "2001:660:4406:886:5::2c",
+      "kavlan-7": "2001:660:4406:887:5::2c",
+      "kavlan-8": "2001:660:4406:888:5::2c",
+      "kavlan-9": "2001:660:4406:889:5::2c"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-5.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-5.json
index 31c848dd5078aeeb59cc620a779fce32b32e500c..30848445d1b30814086e46023225040e2fd09cc8 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-5.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-5.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.65.5"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:5::5",
+      "kavlan-11": "2001:660:4406:88b:5::5",
+      "kavlan-12": "2001:660:4406:88c:5::5",
+      "kavlan-13": "2001:660:4406:88d:5::5",
+      "kavlan-14": "2001:660:4406:88e:5::5",
+      "kavlan-16": "2001:660:4406:890:5::5",
+      "kavlan-18": "2001:660:4406:892:5::5",
+      "kavlan-2": "2001:660:4406:882:5::5",
+      "kavlan-20": "2001:660:4406:894:5::5",
+      "kavlan-21": "2001:660:4406:895:5::5",
+      "kavlan-3": "2001:660:4406:883:5::5",
+      "kavlan-4": "2001:660:4406:884:5::5",
+      "kavlan-5": "2001:660:4406:885:5::5",
+      "kavlan-6": "2001:660:4406:886:5::5",
+      "kavlan-7": "2001:660:4406:887:5::5",
+      "kavlan-8": "2001:660:4406:888:5::5",
+      "kavlan-9": "2001:660:4406:889:5::5"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-6.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-6.json
index 7bc5c88d8c8db50e2647dbe4c69892add3e071ef..24280f6437da362131ec94283303dd0f1830c248 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-6.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-6.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.65.6"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:5::6",
+      "kavlan-11": "2001:660:4406:88b:5::6",
+      "kavlan-12": "2001:660:4406:88c:5::6",
+      "kavlan-13": "2001:660:4406:88d:5::6",
+      "kavlan-14": "2001:660:4406:88e:5::6",
+      "kavlan-16": "2001:660:4406:890:5::6",
+      "kavlan-18": "2001:660:4406:892:5::6",
+      "kavlan-2": "2001:660:4406:882:5::6",
+      "kavlan-20": "2001:660:4406:894:5::6",
+      "kavlan-21": "2001:660:4406:895:5::6",
+      "kavlan-3": "2001:660:4406:883:5::6",
+      "kavlan-4": "2001:660:4406:884:5::6",
+      "kavlan-5": "2001:660:4406:885:5::6",
+      "kavlan-6": "2001:660:4406:886:5::6",
+      "kavlan-7": "2001:660:4406:887:5::6",
+      "kavlan-8": "2001:660:4406:888:5::6",
+      "kavlan-9": "2001:660:4406:889:5::6"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-7.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-7.json
index 2ebd82f03afce96db43a2aa85e9f9d3d29c8459c..95eed68cac26d83d8fb80036739f86de2d783c0b 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-7.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-7.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.65.7"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:5::7",
+      "kavlan-11": "2001:660:4406:88b:5::7",
+      "kavlan-12": "2001:660:4406:88c:5::7",
+      "kavlan-13": "2001:660:4406:88d:5::7",
+      "kavlan-14": "2001:660:4406:88e:5::7",
+      "kavlan-16": "2001:660:4406:890:5::7",
+      "kavlan-18": "2001:660:4406:892:5::7",
+      "kavlan-2": "2001:660:4406:882:5::7",
+      "kavlan-20": "2001:660:4406:894:5::7",
+      "kavlan-21": "2001:660:4406:895:5::7",
+      "kavlan-3": "2001:660:4406:883:5::7",
+      "kavlan-4": "2001:660:4406:884:5::7",
+      "kavlan-5": "2001:660:4406:885:5::7",
+      "kavlan-6": "2001:660:4406:886:5::7",
+      "kavlan-7": "2001:660:4406:887:5::7",
+      "kavlan-8": "2001:660:4406:888:5::7",
+      "kavlan-9": "2001:660:4406:889:5::7"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-8.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-8.json
index 853ef1bbb16f4777f1b6be8c72d5dc98dde52254..9933b1b3f46bded2ff269231ddf4383d76a9b630 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-8.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-8.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.65.8"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:5::8",
+      "kavlan-11": "2001:660:4406:88b:5::8",
+      "kavlan-12": "2001:660:4406:88c:5::8",
+      "kavlan-13": "2001:660:4406:88d:5::8",
+      "kavlan-14": "2001:660:4406:88e:5::8",
+      "kavlan-16": "2001:660:4406:890:5::8",
+      "kavlan-18": "2001:660:4406:892:5::8",
+      "kavlan-2": "2001:660:4406:882:5::8",
+      "kavlan-20": "2001:660:4406:894:5::8",
+      "kavlan-21": "2001:660:4406:895:5::8",
+      "kavlan-3": "2001:660:4406:883:5::8",
+      "kavlan-4": "2001:660:4406:884:5::8",
+      "kavlan-5": "2001:660:4406:885:5::8",
+      "kavlan-6": "2001:660:4406:886:5::8",
+      "kavlan-7": "2001:660:4406:887:5::8",
+      "kavlan-8": "2001:660:4406:888:5::8",
+      "kavlan-9": "2001:660:4406:889:5::8"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-9.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-9.json
index 9ded3be27028438c0383cab5c9e8b70eaaae3734..75b1fd1f3046110b8832175e5208c9b241bb9a65 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-9.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-9.json
@@ -38,6 +38,27 @@
       "kavlan-9": "10.33.65.9"
     }
   },
+  "kavlan6": {
+    "eth0": {
+      "kavlan-1": "2001:660:4406:881:5::9",
+      "kavlan-11": "2001:660:4406:88b:5::9",
+      "kavlan-12": "2001:660:4406:88c:5::9",
+      "kavlan-13": "2001:660:4406:88d:5::9",
+      "kavlan-14": "2001:660:4406:88e:5::9",
+      "kavlan-16": "2001:660:4406:890:5::9",
+      "kavlan-18": "2001:660:4406:892:5::9",
+      "kavlan-2": "2001:660:4406:882:5::9",
+      "kavlan-20": "2001:660:4406:894:5::9",
+      "kavlan-21": "2001:660:4406:895:5::9",
+      "kavlan-3": "2001:660:4406:883:5::9",
+      "kavlan-4": "2001:660:4406:884:5::9",
+      "kavlan-5": "2001:660:4406:885:5::9",
+      "kavlan-6": "2001:660:4406:886:5::9",
+      "kavlan-7": "2001:660:4406:887:5::9",
+      "kavlan-8": "2001:660:4406:888:5::9",
+      "kavlan-9": "2001:660:4406:889:5::9"
+    }
+  },
   "main_memory": {
     "ram_size": 103079215104
   },