diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-10.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-10.json
index 6d07ad9251c7c400992721cf918d6a4842a251c4..bc816e0ca02c440e6df05dfc91189bbfc88d9495 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-10.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-10.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:6d",
+      "guid": "0x0002c903000b916d",
       "interface": "InfiniBand",
       "ip": "172.18.64.10",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:6d",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:6e",
+      "guid": "0x0002c903000b916e",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:6e",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-100.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-100.json
index 2a7d69cb9dcbfccb45c754963aa1ec91fcaf4680..75fea55dff93ff0bb045d859bb768df6cd82abec 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-100.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-100.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:0d",
+      "guid": "0x0002c903000b5d0d",
       "interface": "InfiniBand",
       "ip": "172.18.64.100",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:0d",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:0e",
+      "guid": "0x0002c903000b5d0e",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:0e",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-101.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-101.json
index d63953266485319f544ca4eb83ee4be2f910b082..be3edd3104e522d8c9a181acbcab854be18cd3c2 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-101.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-101.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:d9",
+      "guid": "0x0002c903000b5cd9",
       "interface": "InfiniBand",
       "ip": "172.18.64.101",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:d9",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:da",
+      "guid": "0x0002c903000b5cda",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:da",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-102.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-102.json
index dc982a6beb2c24375c8bd902ff2033504232bab0..9f08906b1380161a1dade491fdef64fb4310f3c2 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-102.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-102.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:71",
+      "guid": "0x0002c903000b5e71",
       "interface": "InfiniBand",
       "ip": "172.18.64.102",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:71",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:72",
+      "guid": "0x0002c903000b5e72",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:72",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-103.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-103.json
index 53010381d6ea71dc16471ec7fc0482a957210437..04cf4d7d313917d70b2259f1a60dddd936158fc4 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-103.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-103.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:49",
+      "guid": "0x0002c903000b5d49",
       "interface": "InfiniBand",
       "ip": "172.18.64.103",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:49",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:4a",
+      "guid": "0x0002c903000b5d4a",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:4a",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-104.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-104.json
index 09fdcd42dd3d57b288da44846889f4966f30f837..ec8c6fd55c41ed822687f7c80f47cd4f1f5c8953 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-104.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-104.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:15",
+      "guid": "0x0002c903000b5d15",
       "interface": "InfiniBand",
       "ip": "172.18.64.104",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:15",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:16",
+      "guid": "0x0002c903000b5d16",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:16",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-105.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-105.json
index a0e441e58e0dcb8a463689ce8ea668182a8582a5..491c0f88eff15392eb640efed8a379a66ce3ddbb 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-105.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-105.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:19",
+      "guid": "0x0002c903000b5d19",
       "interface": "InfiniBand",
       "ip": "172.18.64.105",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:19",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:1a",
+      "guid": "0x0002c903000b5d1a",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:1a",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-106.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-106.json
index 28a90c40df0d51446e453a2ada9d17700949b94c..f40887bb8e61326e1cc1548d4a51f91350a74f59 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-106.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-106.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:ad",
+      "guid": "0x0002c903000b5cad",
       "interface": "InfiniBand",
       "ip": "172.18.64.106",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:ad",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:ae",
+      "guid": "0x0002c903000b5cae",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:ae",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-107.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-107.json
index 6576f56db1ca20d180c5feebb29ce04ea9b75c05..4d6c9218359660504639ac14ae08f0ba979be94c 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-107.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-107.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:3d",
+      "guid": "0x0002c903000b5d3d",
       "interface": "InfiniBand",
       "ip": "172.18.64.107",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:3d",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:3e",
+      "guid": "0x0002c903000b5d3e",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:3e",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-108.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-108.json
index 862d78d5b0c1d12aa8990dca15465260d148b7c1..42559393f43ffdff4e57801f796328cf17e1602e 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-108.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-108.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:21",
+      "guid": "0x0002c903000b5d21",
       "interface": "InfiniBand",
       "ip": "172.18.64.108",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:21",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:22",
+      "guid": "0x0002c903000b5d22",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:22",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-109.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-109.json
index dc3695ffbe173cd9a302bf5ef988f6383ff10fa4..6c1400c8b6f039ee808fae3f5dd6e4b96abb4c3f 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-109.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-109.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:25",
+      "guid": "0x0002c903000b5d25",
       "interface": "InfiniBand",
       "ip": "172.18.64.109",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:25",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:26",
+      "guid": "0x0002c903000b5d26",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:26",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-11.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-11.json
index 6412efa67e3c5a9551384d039cdd89fed3158f38..124432cbe8e64dec0ef265a09abb84a39f88fa94 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-11.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-11.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:71",
+      "guid": "0x0002c903000b9171",
       "interface": "InfiniBand",
       "ip": "172.18.64.11",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:71",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:72",
+      "guid": "0x0002c903000b9172",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:72",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-110.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-110.json
index 9e0d31715c2890dab1199916f8337c05c0ef2485..e6cc5a81df093a21fc44dbde0d28cbfe019f8fe1 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-110.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-110.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:a9",
+      "guid": "0x0002c903000b5ca9",
       "interface": "InfiniBand",
       "ip": "172.18.64.110",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:a9",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:aa",
+      "guid": "0x0002c903000b5caa",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:aa",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-111.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-111.json
index 97af51bcb1e600ca143a1ca49d03f83f68aae76c..f22c7966001533ad9f115cd1c29ee19bd3190821 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-111.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-111.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0c:55:91",
+      "guid": "0x0002c903000c5591",
       "interface": "InfiniBand",
       "ip": "172.18.64.111",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0c:55:91",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0c:55:92",
+      "guid": "0x0002c903000c5592",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0c:55:92",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-112.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-112.json
index 263023c512f56d47cc5e40691c8d4761f7512db7..8178807e50b4786fb9e3e1a854c7ea04e5339853 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-112.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-112.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:7e:9d",
+      "guid": "0x0002c903000b7e9d",
       "interface": "InfiniBand",
       "ip": "172.18.64.112",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:7e:9d",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:7e:9e",
+      "guid": "0x0002c903000b7e9e",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:7e:9e",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-113.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-113.json
index d780d17cdce102d7c99951d60a829a77155010db..b17c5befc3927ab5a249285498fb4b9f987377b7 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-113.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-113.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:b5",
+      "guid": "0x0002c903000b93b5",
       "interface": "InfiniBand",
       "ip": "172.18.64.113",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:b5",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:b6",
+      "guid": "0x0002c903000b93b6",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:b6",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-114.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-114.json
index 0683038317fb4a7926154f3d447afd7afd7b4d48..b23d315be1982bbe75b801ceb103496685638ac8 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-114.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-114.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:c5",
+      "guid": "0x0002c903000b93c5",
       "interface": "InfiniBand",
       "ip": "172.18.64.114",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:c5",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:c6",
+      "guid": "0x0002c903000b93c6",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:c6",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-115.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-115.json
index 95524e2d1cb8107e4232ed57a81bbbe9f657c0da..ed5aa18671578d2c47ba30a74a86ab70214dd1f5 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-115.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-115.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:05",
+      "guid": "0x0002c903000b9305",
       "interface": "InfiniBand",
       "ip": "172.18.64.115",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:05",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:06",
+      "guid": "0x0002c903000b9306",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:06",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-116.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-116.json
index d8be8b4a9c1fac517a23389d362f0c27aca8bd31..f88ac35733fca09bc879d170c2f1128e23ff2d5b 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-116.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-116.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:1d",
+      "guid": "0x0002c903000b931d",
       "interface": "InfiniBand",
       "ip": "172.18.64.116",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:1d",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:1e",
+      "guid": "0x0002c903000b931e",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:1e",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-117.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-117.json
index 8cf513aafc4da6782a28cbaebd2983d0534a56bd..4ba030d1e40cd70201068a23e847f27c2da050b3 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-117.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-117.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:25",
+      "guid": "0x0002c903000b9325",
       "interface": "InfiniBand",
       "ip": "172.18.64.117",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:25",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:26",
+      "guid": "0x0002c903000b9326",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:26",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-118.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-118.json
index 3220e9ff970ee71141d90786aabf9efbd0ea91ea..98a1b08982291840b1bb3bf185ac21c0a59c526c 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-118.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-118.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:d9",
+      "guid": "0x0002c903000b92d9",
       "interface": "InfiniBand",
       "ip": "172.18.64.118",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:d9",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:da",
+      "guid": "0x0002c903000b92da",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:da",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-119.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-119.json
index 56b4385aafe5ff893c96b69d31dfae9b2f0849bf..4f0064392ef3d1c143367aa972625be08ae06ce1 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-119.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-119.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:19",
+      "guid": "0x0002c903000b9319",
       "interface": "InfiniBand",
       "ip": "172.18.64.119",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:19",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:1a",
+      "guid": "0x0002c903000b931a",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:1a",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-12.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-12.json
index c595c6ef348bdff901b58e26531a7cdc65c9c928..5c292a0b1785905d94e271b52d280ddc0b48a8a7 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-12.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-12.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:81",
+      "guid": "0x0002c903000b9381",
       "interface": "InfiniBand",
       "ip": "172.18.64.12",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:81",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:82",
+      "guid": "0x0002c903000b9382",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:82",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-120.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-120.json
index ac239e728f80d3badbbc31d14dbc19c19da2de6d..f5897d6263b55c3ce4541757e3a20417cfce065e 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-120.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-120.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:29",
+      "guid": "0x0002c903000b9329",
       "interface": "InfiniBand",
       "ip": "172.18.64.120",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:29",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:2a",
+      "guid": "0x0002c903000b932a",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:2a",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-121.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-121.json
index 24bc272708b5a3a08f41fc2f0c9af732b0df0491..4f4d3fb7b1f7babcbc54702ed511c2679094aacb 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-121.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-121.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:2d",
+      "guid": "0x0002c903000b932d",
       "interface": "InfiniBand",
       "ip": "172.18.64.121",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:2d",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
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-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:2e",
+      "guid": "0x0002c903000b932e",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:2e",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-122.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-122.json
index 8e2f56a1d0b2465dad520944ccb32e63e9f0c30f..4577922b09d7b3b04f3ec2ec336cf04e57d9a121 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-122.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-122.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:85",
+      "guid": "0x0002c903000b5d85",
       "interface": "InfiniBand",
       "ip": "172.18.64.122",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:85",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:86",
+      "guid": "0x0002c903000b5d86",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:86",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-124.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-124.json
index 301dcc6f322773997086ac65fe3c21d1f805d32a..5d13633518154e7c496d2b5c89b4d4c263960a81 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-124.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-124.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:02:7f:61",
+      "guid": "0x0002c90300027f61",
       "interface": "InfiniBand",
       "ip": "172.18.64.124",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:02:7f:61",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
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       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:02:7f:62",
+      "guid": "0x0002c90300027f62",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:02:7f:62",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-125.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-125.json
index 16d1224d1aba7628ca493b6162e12e7fda28e8fe..fc9d23d53f69e36d55e9438658ea11e27db22091 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-125.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-125.json
@@ -104,10 +104,11 @@
       "device": "ib0",
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       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:91",
+      "guid": "0x0002c903000b9391",
       "interface": "InfiniBand",
       "ip": "172.18.64.125",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:91",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
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       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:92",
+      "guid": "0x0002c903000b9392",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:92",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-126.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-126.json
index ebe2dd3aa6b296ebb02a14fad7480c0a5645e8c1..165533768089af623cb6966d06309485fbb6c299 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-126.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-126.json
@@ -104,10 +104,11 @@
       "device": "ib0",
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-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:51",
+      "guid": "0x0002c903000b9151",
       "interface": "InfiniBand",
       "ip": "172.18.64.126",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:51",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
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       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:52",
+      "guid": "0x0002c903000b9152",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:52",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-127.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-127.json
index 8ec0042c1d7d6a078e391778c325116813645097..6ad891ab3a2d92010a7a363cefa9b3a6c6778726 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-127.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-127.json
@@ -104,10 +104,11 @@
       "device": "ib0",
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       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:85",
+      "guid": "0x0002c903000b9285",
       "interface": "InfiniBand",
       "ip": "172.18.64.127",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:85",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
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       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:86",
+      "guid": "0x0002c903000b9286",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:86",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-128.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-128.json
index 6de2d674221b2e94065ce543a899ad8aaaf3da33..87e6b4c6a165f3d9b7ccb52a12c789b4dc376530 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-128.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-128.json
@@ -104,10 +104,11 @@
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-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:15",
+      "guid": "0x0002c903000b9215",
       "interface": "InfiniBand",
       "ip": "172.18.64.128",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:15",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
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       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:16",
+      "guid": "0x0002c903000b9216",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:16",
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       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-129.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-129.json
index 267a19057a756046329550ba1ee80426e7ec5be1..b1b6a234358814ba94a4c8053b9f5dbb9225b282 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-129.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-129.json
@@ -104,10 +104,11 @@
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-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:05",
+      "guid": "0x0002c903000b9205",
       "interface": "InfiniBand",
       "ip": "172.18.64.129",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:05",
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       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
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       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:06",
+      "guid": "0x0002c903000b9206",
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       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:06",
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       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
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diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-13.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-13.json
index 4d10e3c00fbe830f3072ad8713674a81090ab309..d9ce59876a7778236131f634171a4f1889d3b46c 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-13.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-13.json
@@ -104,10 +104,11 @@
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-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:85",
+      "guid": "0x0002c903000b9385",
       "interface": "InfiniBand",
       "ip": "172.18.64.13",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:85",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
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-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:86",
+      "guid": "0x0002c903000b9386",
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       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:86",
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       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
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diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-130.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-130.json
index a01a7de74f14a70248bf8b363782f7c715420948..c1130d7e298760ce9fb182fd035c3b07b9124434 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-130.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-130.json
@@ -104,10 +104,11 @@
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-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:09",
+      "guid": "0x0002c903000b9209",
       "interface": "InfiniBand",
       "ip": "172.18.64.130",
       "kavlan": false,
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       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
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-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:0a",
+      "guid": "0x0002c903000b920a",
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       "kavlan": false,
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       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
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diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-131.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-131.json
index b5fe5cc169942d91d29eaf4d514c099b5d082d42..676a47c613e7aca554442272dbb09a3055807631 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-131.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-131.json
@@ -104,10 +104,11 @@
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-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:4d",
+      "guid": "0x0002c903000b914d",
       "interface": "InfiniBand",
       "ip": "172.18.64.131",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:4d",
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       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
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-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:4e",
+      "guid": "0x0002c903000b914e",
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       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:4e",
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       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
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diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-132.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-132.json
index b5951eb9057bf4477812e8ce2b102f010358ea32..db2beaa0132c7fa1b16aeee227786a1ae37cd7c4 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-132.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-132.json
@@ -104,10 +104,11 @@
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-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:0d",
+      "guid": "0x0002c903000b920d",
       "interface": "InfiniBand",
       "ip": "172.18.64.132",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:0d",
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       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
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-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:0e",
+      "guid": "0x0002c903000b920e",
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       "kavlan": false,
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       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
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diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-133.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-133.json
index aa14997a89e894c829dd7e7b7665e6694f6dd6f5..de7024e3e7152ec3966be533cbb49c700954e1cd 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-133.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-133.json
@@ -104,10 +104,11 @@
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-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f7:b3",
+      "guid": "0x0002c9030005f7b3",
       "interface": "InfiniBand",
       "ip": "172.18.64.133",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f7:b3",
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       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
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-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f7:b4",
+      "guid": "0x0002c9030005f7b4",
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       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
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diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-134.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-134.json
index 2a252da41fe79b11cbdbba5a087a8a6325f82454..94e0c5565f38e88c65b9b9369de1e692bfd81c28 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-134.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-134.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f4:4f",
+      "guid": "0x0002c9030005f44f",
       "interface": "InfiniBand",
       "ip": "172.18.64.134",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f4:4f",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f4:50",
+      "guid": "0x0002c9030005f450",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f4:50",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-135.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-135.json
index 0dc44b0fda7de8a658b31b5d90e7fb54a240b8c2..aedb222b8bff0e56b2bfb19888d01a8f784fb93b 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-135.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-135.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f4:c7",
+      "guid": "0x0002c9030005f4c7",
       "interface": "InfiniBand",
       "ip": "172.18.64.135",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f4:c7",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f4:c8",
+      "guid": "0x0002c9030005f4c8",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f4:c8",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-136.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-136.json
index 4bdea1236a6b60bc02d368872c1c2cfddf088bb7..8d2f5e62d87eb73335cc09544b246315273a058c 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-136.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-136.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f8:47",
+      "guid": "0x0002c9030005f847",
       "interface": "InfiniBand",
       "ip": "172.18.64.136",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f8:47",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f8:48",
+      "guid": "0x0002c9030005f848",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f8:48",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-137.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-137.json
index 75b3b58d0bf999ba848250ac5c974051c8a3434e..cab2037412dcbded9700be7e8b351eda8aa602df 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-137.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-137.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f6:47",
+      "guid": "0x0002c9030005f647",
       "interface": "InfiniBand",
       "ip": "172.18.64.137",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f6:47",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f6:48",
+      "guid": "0x0002c9030005f648",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f6:48",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-138.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-138.json
index 2da8d22e4f0735320dbbcee825847b0e065b2b25..67013695d16c265ca8d198d936c080627e6645ff 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-138.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-138.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f4:c3",
+      "guid": "0x0002c9030005f4c3",
       "interface": "InfiniBand",
       "ip": "172.18.64.138",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f4:c3",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f4:c4",
+      "guid": "0x0002c9030005f4c4",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f4:c4",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-139.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-139.json
index 8f88bb1deae51ee0e0c8405d81bd8c09fa7c793e..b8283edb4dea37fa9e11bc91804d0ac89f4a2848 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-139.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-139.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f7:ff",
+      "guid": "0x0002c9030005f7ff",
       "interface": "InfiniBand",
       "ip": "172.18.64.139",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f7:ff",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f8:00",
+      "guid": "0x0002c9030005f800",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f8:00",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-14.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-14.json
index 92dbad8d08482917c3dc264c363a91ca9dd80d68..2817d2d7e160aaea5a097bf0397607c604fdde5d 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-14.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-14.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:e1",
+      "guid": "0x0002c903000b93e1",
       "interface": "InfiniBand",
       "ip": "172.18.64.14",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:e1",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:e2",
+      "guid": "0x0002c903000b93e2",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:e2",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-140.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-140.json
index 6af86066f842503ea9a75e8f2e9bce00bc922b21..db6962935cd955cf541aab3ce425188d2d2a1589 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-140.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-140.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f7:9f",
+      "guid": "0x0002c9030005f79f",
       "interface": "InfiniBand",
       "ip": "172.18.64.140",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f7:9f",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f7:a0",
+      "guid": "0x0002c9030005f7a0",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f7:a0",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-141.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-141.json
index 4913ee6baee7b373edacb0c31bdeb4c5027f8754..41bd54e24d40e374d2739413b49ee66cfd0ba09d 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-141.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-141.json
@@ -104,10 +104,11 @@
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       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f7:93",
+      "guid": "0x0002c9030005f793",
       "interface": "InfiniBand",
       "ip": "172.18.64.141",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f7:93",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f7:94",
+      "guid": "0x0002c9030005f794",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f7:94",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-142.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-142.json
index f677873ad30efbeef1ba07d5cbb1c74822c122bc..17495b2cbdd6515b3a4284d0f103f5f1e63a6fdc 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-142.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-142.json
@@ -104,10 +104,11 @@
       "device": "ib0",
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       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f7:a7",
+      "guid": "0x0002c9030005f7a7",
       "interface": "InfiniBand",
       "ip": "172.18.64.142",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f7:a7",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f7:a8",
+      "guid": "0x0002c9030005f7a8",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f7:a8",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-143.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-143.json
index 0daf68d53f4da10ba64226c36b1422feea7cb801..8c508243f7beea7e85998e7f44953d66811fc551 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-143.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-143.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f4:97",
+      "guid": "0x0002c9030005f497",
       "interface": "InfiniBand",
       "ip": "172.18.64.143",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f4:97",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
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       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f4:98",
+      "guid": "0x0002c9030005f498",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f4:98",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-15.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-15.json
index e3f3de7ab2b53b24ad9b9e25a23d72c109946685..281965ae07a3056833b333adc622c9ebbe391b39 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-15.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-15.json
@@ -104,10 +104,11 @@
       "device": "ib0",
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       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:c9",
+      "guid": "0x0002c903000b93c9",
       "interface": "InfiniBand",
       "ip": "172.18.64.15",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:c9",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
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       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:ca",
+      "guid": "0x0002c903000b93ca",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:ca",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-16.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-16.json
index f71fcc5c69f0488b2551c15c4cdc171a678c1ad2..d8a547bb92e6918a1ff591b7e58fb88e2f453f8d 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-16.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-16.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:75",
+      "guid": "0x0002c903000b9375",
       "interface": "InfiniBand",
       "ip": "172.18.64.16",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:75",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:76",
+      "guid": "0x0002c903000b9376",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:76",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-17.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-17.json
index d3e84d41ca4766550029da9adad18e69313215ed..9a54fe668f6aedb88ccca3171f32a95011e2b11b 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-17.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-17.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:71",
+      "guid": "0x0002c903000b9371",
       "interface": "InfiniBand",
       "ip": "172.18.64.17",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:71",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:72",
+      "guid": "0x0002c903000b9372",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:72",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-18.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-18.json
index 33158ba7657836655cf513c16775654baf6c00fb..c47adff1b7578ac9c0b10912444ce4d98b4fd057 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-18.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-18.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:7d",
+      "guid": "0x0002c903000b937d",
       "interface": "InfiniBand",
       "ip": "172.18.64.18",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:7d",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:7e",
+      "guid": "0x0002c903000b937e",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:7e",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-19.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-19.json
index b9368df4dfe210f2d67ba0b5400029a21075db14..c43113917040844745e4bef54d23567e43704bba 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-19.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-19.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:55",
+      "guid": "0x0002c903000b9155",
       "interface": "InfiniBand",
       "ip": "172.18.64.19",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:55",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:56",
+      "guid": "0x0002c903000b9156",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:56",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-2.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-2.json
index 3535af522ebf97a87c0821cf1902930310e1c627..8e77e0e47f89240e3e8c0b500f76bbd2c6f67219 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-2.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-2.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:5d",
+      "guid": "0x0002c903000b915d",
       "interface": "InfiniBand",
       "ip": "172.18.64.2",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:5d",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:5e",
+      "guid": "0x0002c903000b915e",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:5e",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-20.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-20.json
index b68c70a005334b8aa2519761ab2d36da25e29603..d1f44647c18ede4b4e0b95ab2e9e7e0a74503320 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-20.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-20.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:45",
+      "guid": "0x0002c903000b9145",
       "interface": "InfiniBand",
       "ip": "172.18.64.20",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:45",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:46",
+      "guid": "0x0002c903000b9146",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:46",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-21.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-21.json
index 4dec0f679921e9a36874a3d01c83f44974d5d931..42005a16a2fc30d5a313ff22e9ae02edf98a6378 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-21.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-21.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:04:53:6d",
+      "guid": "0x0002c9030004536d",
       "interface": "InfiniBand",
       "ip": "172.18.64.21",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:04:53:6d",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:04:53:6e",
+      "guid": "0x0002c9030004536e",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:04:53:6e",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-22.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-22.json
index 61c9c8fd4dbbaa17b41572b831d7c72e7e749f69..ccc652f3657168b26ec322cf5c6ff6f0395dac44 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-22.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-22.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:79",
+      "guid": "0x0002c903000b9379",
       "interface": "InfiniBand",
       "ip": "172.18.64.22",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:79",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:7a",
+      "guid": "0x0002c903000b937a",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:7a",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-23.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-23.json
index 3f525f783975ab6a4405d76649e73e5c6097e956..22e88111d3c630190ad562f80a70e6e717695dce 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-23.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-23.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:65",
+      "guid": "0x0002c903000b9365",
       "interface": "InfiniBand",
       "ip": "172.18.64.23",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:65",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:66",
+      "guid": "0x0002c903000b9366",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:66",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-24.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-24.json
index 29acdc655c73ae28b3568fb8ba1afd0da26b076f..a7ea21da95cc05adfcd3e72297219a82cdc71b2f 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-24.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-24.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:cd",
+      "guid": "0x0002c903000b92cd",
       "interface": "InfiniBand",
       "ip": "172.18.64.24",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:cd",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:ce",
+      "guid": "0x0002c903000b92ce",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:ce",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-25.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-25.json
index f4a401f9470e44950114978032566755d1d0db93..5686a6603fe611db79367dbcb9bc29396f2c64f0 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-25.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-25.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:a5",
+      "guid": "0x0002c903000b92a5",
       "interface": "InfiniBand",
       "ip": "172.18.64.25",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:a5",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:a6",
+      "guid": "0x0002c903000b92a6",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:a6",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-26.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-26.json
index d1cad7f8f04a4639f797855c2e6efd1985efe39c..0ff8ec63ceaefaf7d0b485f79a23b0022ad0abca 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-26.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-26.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:9d",
+      "guid": "0x0002c903000b929d",
       "interface": "InfiniBand",
       "ip": "172.18.64.26",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:9d",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:9e",
+      "guid": "0x0002c903000b929e",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:9e",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-27.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-27.json
index 3bd715ead264b85715da49ce4d3bcddc22a2ddd7..b37bd5c7a1feea3273e17d7168d83e6009712472 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-27.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-27.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:89",
+      "guid": "0x0002c903000b9289",
       "interface": "InfiniBand",
       "ip": "172.18.64.27",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:89",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:8a",
+      "guid": "0x0002c903000b928a",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:8a",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-29.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-29.json
index 0a0fa8008b7d752b1872bc1608251c9ec207d978..31a0822d7ff35558c555ed8cb792f71c2b2b6f32 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-29.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-29.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:90:dd",
+      "guid": "0x0002c903000b90dd",
       "interface": "InfiniBand",
       "ip": "172.18.64.29",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:90:dd",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:90:de",
+      "guid": "0x0002c903000b90de",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:90:de",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-30.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-30.json
index 858d2b106724c3811e5d64869a44dd0165cd4318..6778190bc911eceae5be23cc89acb71243a71f13 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-30.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-30.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:79",
+      "guid": "0x0002c903000b9279",
       "interface": "InfiniBand",
       "ip": "172.18.64.30",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:79",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:7a",
+      "guid": "0x0002c903000b927a",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:7a",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-31.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-31.json
index a0086a29373922db78cbd4b86a6d7b6c12c322ca..5d7b88dad675cc08eab6d4c92bb924c15cd40c01 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-31.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-31.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:1d",
+      "guid": "0x0002c903000b921d",
       "interface": "InfiniBand",
       "ip": "172.18.64.31",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:1d",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:1e",
+      "guid": "0x0002c903000b921e",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:1e",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-32.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-32.json
index a3bddc28b7225fdc982c9a329a6323ce970d7b53..d175047d19cdd7348c3fad788e51c8862590f681 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-32.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-32.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:7d",
+      "guid": "0x0002c903000b927d",
       "interface": "InfiniBand",
       "ip": "172.18.64.32",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:7d",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:7e",
+      "guid": "0x0002c903000b927e",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:7e",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-33.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-33.json
index ffe0cc9104d5ff3dea1ede2c53ee08748f813a0f..17231e6b33eded6647261b46e445061b0434156a 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-33.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-33.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:90:d9",
+      "guid": "0x0002c903000b90d9",
       "interface": "InfiniBand",
       "ip": "172.18.64.33",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:90:d9",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:90:da",
+      "guid": "0x0002c903000b90da",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:90:da",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-34.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-34.json
index 6cdef12cfb1c76c13b70a8db03efc35975bfd6a2..784db93e2857fcbad59d747ce5ca32aa48b93018 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-34.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-34.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:65",
+      "guid": "0x0002c903000b9165",
       "interface": "InfiniBand",
       "ip": "172.18.64.34",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:65",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:66",
+      "guid": "0x0002c903000b9166",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:66",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-35.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-35.json
index 7cb7622e04cd97beda0c1f12c509282940a31dc4..834092785c025f8e99e4ca5945c6c2f3f7570af0 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-35.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-35.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:01:d5:ef",
+      "guid": "0x0002c9030001d5ef",
       "interface": "InfiniBand",
       "ip": "172.18.64.35",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:01:d5:ef",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:01:d5:f0",
+      "guid": "0x0002c9030001d5f0",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:01:d5:f0",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-37.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-37.json
index 4f0a473fc50e3ef50aea6f0d110d76a17f63f805..8a30ed68e19bba9c6bced2f3be087c1b0585dfdb 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-37.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-37.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:c5",
+      "guid": "0x0002c903000b92c5",
       "interface": "InfiniBand",
       "ip": "172.18.64.37",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:c5",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:c6",
+      "guid": "0x0002c903000b92c6",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:c6",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-38.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-38.json
index ad3906dd23f86aa9b69b8470cf54889e0840a998..0b131cb109f6a24ef40be2de404d532d444a9aad 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-38.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-38.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:b1",
+      "guid": "0x0002c903000b92b1",
       "interface": "InfiniBand",
       "ip": "172.18.64.38",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:b1",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:b2",
+      "guid": "0x0002c903000b92b2",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:b2",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-39.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-39.json
index 94f71e2ef869c6e03fa563ad5c01ba6b622cd2e7..fa0cb35d1b6da81b7621d0e41c5302886e1cd0b5 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-39.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-39.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:c1",
+      "guid": "0x0002c903000b92c1",
       "interface": "InfiniBand",
       "ip": "172.18.64.39",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:c1",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:c2",
+      "guid": "0x0002c903000b92c2",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:c2",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-4.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-4.json
index c5bb9a07d7c03a38881386cb0de0b7fc71a35db9..2b103060acdbb0852231bacd8f60551d5ef77205 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-4.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-4.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:bd",
+      "guid": "0x0002c903000b92bd",
       "interface": "InfiniBand",
       "ip": "172.18.64.4",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:bd",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:be",
+      "guid": "0x0002c903000b92be",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:be",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-41.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-41.json
index d6545dfc342c647f933cb9e47a9c8c0aefe57295..cb36731f51dae2f9c3d61b92723dee355fbbb80d 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-41.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-41.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:99",
+      "guid": "0x0002c903000b9299",
       "interface": "InfiniBand",
       "ip": "172.18.64.41",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:99",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
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       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:9a",
+      "guid": "0x0002c903000b929a",
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       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:9a",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-42.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-42.json
index d68386aafdc451ee551b373a413746ae7bace1b4..ba032ab08f497cdc38bf980647ff3aa54e5b390b 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-42.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-42.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:a9",
+      "guid": "0x0002c903000b92a9",
       "interface": "InfiniBand",
       "ip": "172.18.64.42",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:a9",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:aa",
+      "guid": "0x0002c903000b92aa",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:aa",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-43.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-43.json
index be1ef8a784fb47e1920adc643d56b74f1e8c0bfd..6cd245f74e0fba5919311c191fac61aea1952018 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-43.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-43.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:ad",
+      "guid": "0x0002c903000b92ad",
       "interface": "InfiniBand",
       "ip": "172.18.64.43",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:ad",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:ae",
+      "guid": "0x0002c903000b92ae",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:ae",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-44.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-44.json
index 4eac3676d2da7f43ae3a4ee18accf67645823206..bde5a04aaf45d8bb571d18ca7fa65d074988c6ae 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-44.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-44.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:b5",
+      "guid": "0x0002c903000b92b5",
       "interface": "InfiniBand",
       "ip": "172.18.64.44",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:b5",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:b6",
+      "guid": "0x0002c903000b92b6",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:b6",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-45.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-45.json
index 9cb70c44cbe14f48f527dbb0132a387d9cc310d3..176d4acad0d091bd35d0fbb83d875cd866d2994d 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-45.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-45.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:21",
+      "guid": "0x0002c903000b9321",
       "interface": "InfiniBand",
       "ip": "172.18.64.45",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:21",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:22",
+      "guid": "0x0002c903000b9322",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:22",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-46.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-46.json
index 8017994ea60a2e05c2da1d7ab3760e70ab25cb30..91fcc1d31ffd81fbf25a422c368b1164889d747c 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-46.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-46.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:d5",
+      "guid": "0x0002c903000b93d5",
       "interface": "InfiniBand",
       "ip": "172.18.64.46",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:d5",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:d6",
+      "guid": "0x0002c903000b93d6",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:d6",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-47.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-47.json
index 1f1d9efb7da3f9babfddcedd4016e32462cddb8c..df1cd54f18942e34a84ae2b6c805b0911a5849e5 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-47.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-47.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:e5",
+      "guid": "0x0002c903000b93e5",
       "interface": "InfiniBand",
       "ip": "172.18.64.47",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:e5",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:e6",
+      "guid": "0x0002c903000b93e6",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:e6",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-48.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-48.json
index ce25c78e0f528b4b914f4f82698d517f50273c90..fd3104112d2eeca0b5f97ad85ace79805d423d2a 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-48.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-48.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:dd",
+      "guid": "0x0002c903000b93dd",
       "interface": "InfiniBand",
       "ip": "172.18.64.48",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:dd",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:de",
+      "guid": "0x0002c903000b93de",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:de",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-49.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-49.json
index 39aa3b67b5dba9287f16de8b63e34d37853a97a2..51f5ddd0fbbccb92a0f10888b562c7a8d77c0895 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-49.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-49.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:d1",
+      "guid": "0x0002c903000b93d1",
       "interface": "InfiniBand",
       "ip": "172.18.64.49",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:d1",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:d2",
+      "guid": "0x0002c903000b93d2",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:d2",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-5.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-5.json
index 0eb5f9b072fbc94d6a8be49ef754a4163ff6bcf3..6c559c0300f20997ae9816dee8560df79c9f67da 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-5.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-5.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:79",
+      "guid": "0x0002c903000b9179",
       "interface": "InfiniBand",
       "ip": "172.18.64.5",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:79",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:7a",
+      "guid": "0x0002c903000b917a",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:7a",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-50.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-50.json
index 376b391c7cb7586efb02f223ee518badacf235be..ec6e15633226c6aa5de9b5ae0f06567f6addbe80 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-50.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-50.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:f1",
+      "guid": "0x0002c903000b92f1",
       "interface": "InfiniBand",
       "ip": "172.18.64.50",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:f1",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:f2",
+      "guid": "0x0002c903000b92f2",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:f2",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-51.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-51.json
index 2d1c7280dbd7ccae258ce497802a6b715e0840f0..f527a30c6e52b5f5b400cba43261337825541b00 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-51.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-51.json
@@ -104,10 +104,11 @@
       "device": "ib0",
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       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:e9",
+      "guid": "0x0002c903000b92e9",
       "interface": "InfiniBand",
       "ip": "172.18.64.51",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:e9",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
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       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:ea",
+      "guid": "0x0002c903000b92ea",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:ea",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-52.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-52.json
index 35c0e93687340c77a867e3b629b7b9622773ada0..a3f4e587d14821f774100cdcbd0ccdde2b2e8c09 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-52.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-52.json
@@ -104,10 +104,11 @@
       "device": "ib0",
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       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:f9",
+      "guid": "0x0002c903000b92f9",
       "interface": "InfiniBand",
       "ip": "172.18.64.52",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:f9",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
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       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:fa",
+      "guid": "0x0002c903000b92fa",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:fa",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-53.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-53.json
index 279817c865480d341d58348b66370581b8d36b89..1650c0bc7da875d8068a50fd2d47d516835d9f7c 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-53.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-53.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:09",
+      "guid": "0x0002c903000b9309",
       "interface": "InfiniBand",
       "ip": "172.18.64.53",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:09",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:0a",
+      "guid": "0x0002c903000b930a",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:0a",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-54.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-54.json
index f36dc51ef931b5fbacf09068f90bfc9b88d7d887..44b0ac3a2d475c7dc204976c238ac762fb2e4c40 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-54.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-54.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:15",
+      "guid": "0x0002c903000b9315",
       "interface": "InfiniBand",
       "ip": "172.18.64.54",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:15",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:16",
+      "guid": "0x0002c903000b9316",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:16",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-55.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-55.json
index de4de2e2005212b0e0eda3ec8a6e38fcb81353e9..40a5834f9bacbf4d451387e73750d9da5b5303f9 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-55.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-55.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:0d",
+      "guid": "0x0002c903000b930d",
       "interface": "InfiniBand",
       "ip": "172.18.64.55",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:0d",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:0e",
+      "guid": "0x0002c903000b930e",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:0e",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-57.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-57.json
index ec6d0ef84c1b2bf3411d15f0a6a97ebb7a7d87a6..3e9f82bd58eeecc1270c0633d0fd10f7b410d8bb 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-57.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-57.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:8d",
+      "guid": "0x0002c903000b918d",
       "interface": "InfiniBand",
       "ip": "172.18.64.57",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:8d",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:8e",
+      "guid": "0x0002c903000b918e",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:8e",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-58.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-58.json
index a520845938b69e320146550c1e1f5e2624a1468d..ecde8fed0205d1de402bf50ad23be3dcc8159424 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-58.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-58.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:9d",
+      "guid": "0x0002c903000b919d",
       "interface": "InfiniBand",
       "ip": "172.18.64.58",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:9d",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:9e",
+      "guid": "0x0002c903000b919e",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:9e",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-59.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-59.json
index e5335d31835e2ed17234182b407cb097dc80e549..cfd98b87eebe093403ea7b023e5fcf3550a1d741 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-59.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-59.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:95",
+      "guid": "0x0002c903000b9195",
       "interface": "InfiniBand",
       "ip": "172.18.64.59",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:95",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:96",
+      "guid": "0x0002c903000b9196",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:96",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-6.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-6.json
index cfb0764f000a99431979e14a46ec63cfeaf3ebb9..c61674f4043fe453d45fd54a1febb3658281b830 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-6.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-6.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:7d",
+      "guid": "0x0002c903000b917d",
       "interface": "InfiniBand",
       "ip": "172.18.64.6",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:7d",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:7e",
+      "guid": "0x0002c903000b917e",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:7e",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-60.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-60.json
index 2a75c9844bc124a23d26508225850c1696404f83..95abe164da1c9ba137603bc1e45fbac4894754d3 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-60.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-60.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:85",
+      "guid": "0x0002c903000b9185",
       "interface": "InfiniBand",
       "ip": "172.18.64.60",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:85",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:86",
+      "guid": "0x0002c903000b9186",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:86",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-61.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-61.json
index e9d16ed53d1861836abf61f1b0cb0922ba85fe8d..298c9b85493bf4c93c1117006d205332d9036d7b 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-61.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-61.json
@@ -104,10 +104,11 @@
       "device": "ib0",
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       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:91",
+      "guid": "0x0002c903000b9191",
       "interface": "InfiniBand",
       "ip": "172.18.64.61",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:91",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
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       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:92",
+      "guid": "0x0002c903000b9192",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:92",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-62.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-62.json
index 8bb87ae8774e449617e753e80c71f0ccd53a0a5a..5e331f83f4c8456890b2d95ade5316261aa494fd 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-62.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-62.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:99",
+      "guid": "0x0002c903000b9199",
       "interface": "InfiniBand",
       "ip": "172.18.64.62",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:99",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
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       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:9a",
+      "guid": "0x0002c903000b919a",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:9a",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-63.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-63.json
index fb44fc75c26b9298127362deb54fb4b7273d9a1c..ff9561dc16821c5379a66640ec41ca6beb21abd2 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-63.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-63.json
@@ -104,10 +104,11 @@
       "device": "ib0",
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       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:81",
+      "guid": "0x0002c903000b9181",
       "interface": "InfiniBand",
       "ip": "172.18.64.63",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:81",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
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       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:82",
+      "guid": "0x0002c903000b9182",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:82",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-64.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-64.json
index 3182dad9705b3b4665215c8ad05d1b5aac3a6c8d..d7dfbd80e3ca2e6e7c452cd113c64315709d55d3 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-64.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-64.json
@@ -104,10 +104,11 @@
       "device": "ib0",
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       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:a1",
+      "guid": "0x0002c903000b92a1",
       "interface": "InfiniBand",
       "ip": "172.18.64.64",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:a1",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
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       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:a2",
+      "guid": "0x0002c903000b92a2",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:a2",
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       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-65.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-65.json
index 6baa4d9671afe512a79b8ca70c490b8d0a2bbeca..88fcfc161e19cec02f92ef3b80b6843b7b655526 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-65.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-65.json
@@ -104,10 +104,11 @@
       "device": "ib0",
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       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:d9",
+      "guid": "0x0002c903000b93d9",
       "interface": "InfiniBand",
       "ip": "172.18.64.65",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:d9",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:da",
+      "guid": "0x0002c903000b93da",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:da",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-66.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-66.json
index c8c91f62e5d7cef081d094f6a10ada5cf198dd72..6329a79473fb9c96798deae8997e457707db65ad 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-66.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-66.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:49",
+      "guid": "0x0002c903000b9149",
       "interface": "InfiniBand",
       "ip": "172.18.64.66",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:49",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:4a",
+      "guid": "0x0002c903000b914a",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:4a",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-67.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-67.json
index 9199e982bfea516d22ad0b52c0060bee7fa3e7be..7aaf178ea7cc77537d50e1b9fede8ae261759a5b 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-67.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-67.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:b9",
+      "guid": "0x0002c903000b93b9",
       "interface": "InfiniBand",
       "ip": "172.18.64.67",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:b9",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:ba",
+      "guid": "0x0002c903000b93ba",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:ba",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-68.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-68.json
index bb0826fcda0d32a93531a3ad47a043bde4a603a1..c9219556143af9ac5023d9a9a26384b8a0025d41 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-68.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-68.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:91",
+      "guid": "0x0002c903000b9291",
       "interface": "InfiniBand",
       "ip": "172.18.64.68",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:91",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:92",
+      "guid": "0x0002c903000b9292",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:92",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-69.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-69.json
index 7b5da532c09a39d32092e4f035dbb08569531f66..d08e9ff63b38d6ba189464dee27af4344e2a1b2b 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-69.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-69.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:c1",
+      "guid": "0x0002c903000b93c1",
       "interface": "InfiniBand",
       "ip": "172.18.64.69",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:c1",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:c2",
+      "guid": "0x0002c903000b93c2",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:c2",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-7.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-7.json
index cba04e0eace930b81b5657b7e4ce1fad80ed8d29..b57adf0993a59eec84df71e1ce2717917b20f886 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-7.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-7.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:61",
+      "guid": "0x0002c903000b9161",
       "interface": "InfiniBand",
       "ip": "172.18.64.7",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:61",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:62",
+      "guid": "0x0002c903000b9162",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:62",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-70.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-70.json
index 9fa71780251412415c45f36eda99658bcaddd797..65a027e9dda2ddd92c1c7f3637596fd627fefe69 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-70.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-70.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:11",
+      "guid": "0x0002c903000b9311",
       "interface": "InfiniBand",
       "ip": "172.18.64.70",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:11",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:12",
+      "guid": "0x0002c903000b9312",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:12",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-71.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-71.json
index 787663198e8da3b9bb34847964367502b08675e1..417361aafc12409d500ba8adc83dafca295e3d7d 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-71.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-71.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:ed",
+      "guid": "0x0002c903000b92ed",
       "interface": "InfiniBand",
       "ip": "172.18.64.71",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:ed",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:ee",
+      "guid": "0x0002c903000b92ee",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:ee",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-72.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-72.json
index 134e5c47d241de5032efcb8726cf140a28dcbde6..afda32a396c032b07d7af776172ab461c6a45dca 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-72.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-72.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:95",
+      "guid": "0x0002c903000b9295",
       "interface": "InfiniBand",
       "ip": "172.18.64.72",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:95",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:96",
+      "guid": "0x0002c903000b9296",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:96",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-73.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-73.json
index c5042d4cb29f41e0db845efe61f82127ed2adce7..923f1fc33ce3da1977bf518ef1ea1626fd27fb40 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-73.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-73.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:fd",
+      "guid": "0x0002c903000b92fd",
       "interface": "InfiniBand",
       "ip": "172.18.64.73",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:fd",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -120,9 +121,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:fe",
+      "guid": "0x0002c903000b92fe",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:fe",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-74.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-74.json
index 604e440e7b27a1a53452e8db622428aa0c5a6d6e..2b937dbc782bd03ae189b98168f665cc1629cf57 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-74.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-74.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:dd",
+      "guid": "0x0002c903000b92dd",
       "interface": "InfiniBand",
       "ip": "172.18.64.74",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:dd",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -120,9 +121,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:de",
+      "guid": "0x0002c903000b92de",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:de",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-75.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-75.json
index 56f98ab719dde8a8eece36647502cab14ec1dfd1..e39031179dae855c50136145b883642b34e138bc 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-75.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-75.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:e5",
+      "guid": "0x0002c903000b92e5",
       "interface": "InfiniBand",
       "ip": "172.18.64.75",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:e5",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -120,9 +121,10 @@
       "device": "ib1",
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       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:e6",
+      "guid": "0x0002c903000b92e6",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:e6",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-76.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-76.json
index b7343ca3beb2d2e166595658aec95d01092dbffb..1e5c455f7bc826939da3aa272ad3e16bb27e4d21 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-76.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-76.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:d5",
+      "guid": "0x0002c903000b92d5",
       "interface": "InfiniBand",
       "ip": "172.18.64.76",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:d5",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -120,9 +121,10 @@
       "device": "ib1",
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       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:d6",
+      "guid": "0x0002c903000b92d6",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:d6",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-77.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-77.json
index b8d55fd67a37702218643224216f9c4a768ee175..bab29cdf20b2f3a8454db8855167e4d19a129485 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-77.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-77.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:e1",
+      "guid": "0x0002c903000b92e1",
       "interface": "InfiniBand",
       "ip": "172.18.64.77",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:e1",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -120,9 +121,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:e2",
+      "guid": "0x0002c903000b92e2",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:e2",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-78.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-78.json
index a3a6bc1ab2ba6cb51e45d0bbad3a330c62ac0148..e6d925590e2036555f403ce5a27c0dafd8dfc114 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-78.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-78.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:01",
+      "guid": "0x0002c903000b9301",
       "interface": "InfiniBand",
       "ip": "172.18.64.78",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:01",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -120,9 +121,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:02",
+      "guid": "0x0002c903000b9302",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:02",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-79.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-79.json
index 8ea81fe721f499dd8561f12847667403d5332a9a..ac2f89f113412e89747135c9ad21c6b20eee475a 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-79.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-79.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:f5",
+      "guid": "0x0002c903000b92f5",
       "interface": "InfiniBand",
       "ip": "172.18.64.79",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:f5",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -120,9 +121,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:f6",
+      "guid": "0x0002c903000b92f6",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:f6",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-8.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-8.json
index e12bbf5a04c3119a0980403f247837c7f324e226..d2ed2a05f8a2a99d2bb5f133d77f7e636b8a1df6 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-8.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-8.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:75",
+      "guid": "0x0002c903000b9175",
       "interface": "InfiniBand",
       "ip": "172.18.64.8",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:75",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:76",
+      "guid": "0x0002c903000b9176",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:76",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-80.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-80.json
index 7d612f42c672012ed4e7a6693745fcc51bfc411f..a576f860d73bf2c187ea4054878a5d8d4d14f841 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-80.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-80.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:d1",
+      "guid": "0x0002c903000b92d1",
       "interface": "InfiniBand",
       "ip": "172.18.64.80",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:d1",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -120,9 +121,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:d2",
+      "guid": "0x0002c903000b92d2",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:d2",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-81.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-81.json
index a4e4f18a9aa55ab795e777fc0db4c3ecd8b89c30..2c16d3f71ccfa81885ba29f8451e2fa5e821ff09 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-81.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-81.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:a9",
+      "guid": "0x0002c903000b93a9",
       "interface": "InfiniBand",
       "ip": "172.18.64.81",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:a9",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -120,9 +121,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:aa",
+      "guid": "0x0002c903000b93aa",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:aa",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-82.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-82.json
index cedf118a278f04d356bb250ac7eb8941cf554c39..57c893e49223591340f10b8c8611ec46484560eb 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-82.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-82.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:95",
+      "guid": "0x0002c903000b9395",
       "interface": "InfiniBand",
       "ip": "172.18.64.82",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:95",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -120,9 +121,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:96",
+      "guid": "0x0002c903000b9396",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:96",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-84.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-84.json
index eeb1b14de8e941c2a39db61204a5980fed92fde4..d5216fb2154201673b90baa2dd7175715bb7dae3 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-84.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-84.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:9d",
+      "guid": "0x0002c903000b939d",
       "interface": "InfiniBand",
       "ip": "172.18.64.84",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:9d",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -120,9 +121,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:9e",
+      "guid": "0x0002c903000b939e",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:9e",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-85.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-85.json
index b72885b968246d0d50557723263fa6a66553087a..7288cd9f98bf1be7f559fc562aa11932a3fdd25d 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-85.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-85.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:99",
+      "guid": "0x0002c903000b9399",
       "interface": "InfiniBand",
       "ip": "172.18.64.85",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:99",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:9a",
+      "guid": "0x0002c903000b939a",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:9a",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-87.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-87.json
index ef0470eec6217183c26239cdaae30c0e8bfb2125..bc84c71519e789b7bbdae10ae3b14f4d3b54f712 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-87.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-87.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:ad",
+      "guid": "0x0002c903000b93ad",
       "interface": "InfiniBand",
       "ip": "172.18.64.87",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:ad",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:ae",
+      "guid": "0x0002c903000b93ae",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:ae",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-88.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-88.json
index 0558fc2053aa18b7b31f48af8210443a652c7aa5..f1cf084cfd9cd6f1d510bec32de29898723667b0 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-88.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-88.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:b1",
+      "guid": "0x0002c903000b93b1",
       "interface": "InfiniBand",
       "ip": "172.18.64.88",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:b1",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:b2",
+      "guid": "0x0002c903000b93b2",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:b2",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-89.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-89.json
index 7a66219ad56ffd0e8c021c44d4cf2fec8bad10d9..ea3f676f8492d4fad5796fa87bc315dc431f718a 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-89.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-89.json
@@ -104,10 +104,11 @@
       "device": "ib0",
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       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:ed",
+      "guid": "0x0002c903000b5ced",
       "interface": "InfiniBand",
       "ip": "172.18.64.89",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:ed",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
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       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:ee",
+      "guid": "0x0002c903000b5cee",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:ee",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-9.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-9.json
index 00f4ab63372194bd60df383ebc8f311ee23c0968..835055b16a00ca7de63460b6d2f1420ae92b4377 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-9.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-9.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:69",
+      "guid": "0x0002c903000b9169",
       "interface": "InfiniBand",
       "ip": "172.18.64.9",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:69",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:6a",
+      "guid": "0x0002c903000b916a",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:6a",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-90.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-90.json
index 0bf6acf186363c72da31ca91a8dcb39e053907f0..02949859fb63fe5cf881b843823c763d592caa5b 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-90.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-90.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:09",
+      "guid": "0x0002c903000b5d09",
       "interface": "InfiniBand",
       "ip": "172.18.64.90",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:09",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:0a",
+      "guid": "0x0002c903000b5d0a",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:0a",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-91.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-91.json
index c4f509c07da649b90bb1d9a6fb01dcd0acb2f28c..695ef5f402143b8973af80e728d2c3aea56b3e59 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-91.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-91.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:d1",
+      "guid": "0x0002c903000b5cd1",
       "interface": "InfiniBand",
       "ip": "172.18.64.91",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:d1",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:d2",
+      "guid": "0x0002c903000b5cd2",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:d2",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-92.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-92.json
index ff0b503b82a28054e1aea2ef2336f9d4cea802b4..fd1a9d65931d2f0c2ede52d282225fe650fcdf7d 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-92.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-92.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:e5",
+      "guid": "0x0002c903000b5ce5",
       "interface": "InfiniBand",
       "ip": "172.18.64.92",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:e5",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:e6",
+      "guid": "0x0002c903000b5ce6",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:e6",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-93.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-93.json
index 33b9cdf30889bdfc9cf3dc57291bcada91f5d675..981d0315797a56e4f5351c1b2e6a1ccecc635822 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-93.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-93.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:ad",
+      "guid": "0x0002c903000b5ead",
       "interface": "InfiniBand",
       "ip": "172.18.64.93",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:ad",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:ae",
+      "guid": "0x0002c903000b5eae",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:ae",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-95.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-95.json
index a603c6f867a7b5ef2f8c14762e8670bc1932f6c2..8865dc1e9b3e0016bf2beac985b5cb0186e3f407 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-95.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-95.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:95",
+      "guid": "0x0002c903000b5e95",
       "interface": "InfiniBand",
       "ip": "172.18.64.95",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:95",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:96",
+      "guid": "0x0002c903000b5e96",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:96",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-97.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-97.json
index 36c5e72909e3a7d4cbd4d6bd662d8ccf6c1f8cba..9f92c8585ea5de417fa1e646780472adaca83a60 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-97.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-97.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:d5",
+      "guid": "0x0002c903000b5ed5",
       "interface": "InfiniBand",
       "ip": "172.18.64.97",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:d5",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:d6",
+      "guid": "0x0002c903000b5ed6",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:d6",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-99.json b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-99.json
index b54b1ecce192f1ccf5541a9614cbc43128c38f8e..459b9d3344b6b088613d0c6ee427e0564bc5e2ff 100644
--- a/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-99.json
+++ b/data/grid5000/sites/nancy/clusters/graphene/nodes/graphene-99.json
@@ -104,10 +104,11 @@
       "device": "ib0",
       "driver": "mlx4_core",
       "enabled": true,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:b1",
+      "guid": "0x0002c903000b5eb1",
       "interface": "InfiniBand",
       "ip": "172.18.64.99",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:b1",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": true,
@@ -121,9 +122,10 @@
       "device": "ib1",
       "driver": "mlx4_core",
       "enabled": false,
-      "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:b2",
+      "guid": "0x0002c903000b5eb2",
       "interface": "InfiniBand",
       "kavlan": false,
+      "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:b2",
       "management": false,
       "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
       "mountable": false,
diff --git a/grid5000-all.json b/grid5000-all.json
index c0a495ff5a7422dbeeaa9f8d2fbb4d1dd9b072f9..837e863783a2f7a0bc28a995cd21378f72e6d9c6 100644
--- a/grid5000-all.json
+++ b/grid5000-all.json
@@ -82778,10 +82778,11 @@
                 "ib0": {
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:81",
+                  "guid": "0x0002c903000b9281",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.1",
                   "ip6": "fe80::202:c903:b:9281",
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:81",
                   "management": false,
                   "mountable": true,
                   "mounted": true,
@@ -82792,8 +82793,9 @@
                 "ib1": {
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:82",
+                  "guid": "0x0002c903000b9282",
                   "interface": "InfiniBand",
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:82",
                   "management": false,
                   "mountable": false,
                   "mounted": false,
@@ -82969,10 +82971,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:6d",
+                  "guid": "0x0002c903000b916d",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.10",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:6d",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -82986,9 +82989,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:6e",
+                  "guid": "0x0002c903000b916e",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:6e",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -83187,10 +83191,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:0d",
+                  "guid": "0x0002c903000b5d0d",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.100",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:0d",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -83204,9 +83209,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:0e",
+                  "guid": "0x0002c903000b5d0e",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:0e",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -83405,10 +83411,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:d9",
+                  "guid": "0x0002c903000b5cd9",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.101",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:d9",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -83422,9 +83429,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:da",
+                  "guid": "0x0002c903000b5cda",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:da",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -83623,10 +83631,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:71",
+                  "guid": "0x0002c903000b5e71",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.102",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:71",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -83640,9 +83649,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:72",
+                  "guid": "0x0002c903000b5e72",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:72",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -83841,10 +83851,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:49",
+                  "guid": "0x0002c903000b5d49",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.103",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:49",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -83858,9 +83869,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:4a",
+                  "guid": "0x0002c903000b5d4a",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:4a",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -84059,10 +84071,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:15",
+                  "guid": "0x0002c903000b5d15",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.104",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:15",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -84076,9 +84089,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:16",
+                  "guid": "0x0002c903000b5d16",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:16",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -84277,10 +84291,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:19",
+                  "guid": "0x0002c903000b5d19",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.105",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:19",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -84294,9 +84309,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:1a",
+                  "guid": "0x0002c903000b5d1a",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:1a",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -84496,10 +84512,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:ad",
+                  "guid": "0x0002c903000b5cad",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.106",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:ad",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -84513,9 +84530,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:ae",
+                  "guid": "0x0002c903000b5cae",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:ae",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -84715,10 +84733,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:3d",
+                  "guid": "0x0002c903000b5d3d",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.107",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:3d",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -84732,9 +84751,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:3e",
+                  "guid": "0x0002c903000b5d3e",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:3e",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -84934,10 +84954,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:21",
+                  "guid": "0x0002c903000b5d21",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.108",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:21",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -84951,9 +84972,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:22",
+                  "guid": "0x0002c903000b5d22",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:22",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -85153,10 +85175,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:25",
+                  "guid": "0x0002c903000b5d25",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.109",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:25",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -85170,9 +85193,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:26",
+                  "guid": "0x0002c903000b5d26",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:26",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -85372,10 +85396,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:71",
+                  "guid": "0x0002c903000b9171",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.11",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:71",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -85389,9 +85414,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:72",
+                  "guid": "0x0002c903000b9172",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:72",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -85590,10 +85616,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:a9",
+                  "guid": "0x0002c903000b5ca9",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.110",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:a9",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -85607,9 +85634,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:aa",
+                  "guid": "0x0002c903000b5caa",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:aa",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -85809,10 +85837,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0c:55:91",
+                  "guid": "0x0002c903000c5591",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.111",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0c:55:91",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -85826,9 +85855,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0c:55:92",
+                  "guid": "0x0002c903000c5592",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0c:55:92",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -86028,10 +86058,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:7e:9d",
+                  "guid": "0x0002c903000b7e9d",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.112",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:7e:9d",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -86045,9 +86076,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:7e:9e",
+                  "guid": "0x0002c903000b7e9e",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:7e:9e",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -86247,10 +86279,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:b5",
+                  "guid": "0x0002c903000b93b5",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.113",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:b5",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -86264,9 +86297,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:b6",
+                  "guid": "0x0002c903000b93b6",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:b6",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -86466,10 +86500,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:c5",
+                  "guid": "0x0002c903000b93c5",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.114",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:c5",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -86483,9 +86518,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:c6",
+                  "guid": "0x0002c903000b93c6",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:c6",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -86685,10 +86721,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:05",
+                  "guid": "0x0002c903000b9305",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.115",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:05",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -86702,9 +86739,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:06",
+                  "guid": "0x0002c903000b9306",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:06",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -86904,10 +86942,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:1d",
+                  "guid": "0x0002c903000b931d",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.116",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:1d",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -86921,9 +86960,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:1e",
+                  "guid": "0x0002c903000b931e",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:1e",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -87123,10 +87163,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:25",
+                  "guid": "0x0002c903000b9325",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.117",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:25",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -87140,9 +87181,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:26",
+                  "guid": "0x0002c903000b9326",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:26",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -87342,10 +87384,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:d9",
+                  "guid": "0x0002c903000b92d9",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.118",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:d9",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -87359,9 +87402,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:da",
+                  "guid": "0x0002c903000b92da",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:da",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -87561,10 +87605,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:19",
+                  "guid": "0x0002c903000b9319",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.119",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:19",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -87578,9 +87623,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:1a",
+                  "guid": "0x0002c903000b931a",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:1a",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -87780,10 +87826,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:81",
+                  "guid": "0x0002c903000b9381",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.12",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:81",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -87797,9 +87844,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:82",
+                  "guid": "0x0002c903000b9382",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:82",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -87998,10 +88046,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:29",
+                  "guid": "0x0002c903000b9329",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.120",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:29",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -88015,9 +88064,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:2a",
+                  "guid": "0x0002c903000b932a",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:2a",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -88217,10 +88267,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:2d",
+                  "guid": "0x0002c903000b932d",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.121",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:2d",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -88234,9 +88285,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:2e",
+                  "guid": "0x0002c903000b932e",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:2e",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -88436,10 +88488,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:85",
+                  "guid": "0x0002c903000b5d85",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.122",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:85",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -88453,9 +88506,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:86",
+                  "guid": "0x0002c903000b5d86",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:86",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -88648,10 +88702,11 @@
                 "ib0": {
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:19",
+                  "guid": "0x0002c903000b9219",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.123",
                   "ip6": "fe80::202:c903:b:9219",
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:19",
                   "management": false,
                   "mountable": true,
                   "mounted": true,
@@ -88662,8 +88717,9 @@
                 "ib1": {
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:1a",
+                  "guid": "0x0002c903000b921a",
                   "interface": "InfiniBand",
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:1a",
                   "management": false,
                   "mountable": false,
                   "mounted": false,
@@ -88839,10 +88895,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:02:7f:61",
+                  "guid": "0x0002c90300027f61",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.124",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:02:7f:61",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -88856,9 +88913,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:02:7f:62",
+                  "guid": "0x0002c90300027f62",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:02:7f:62",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -89058,10 +89116,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:91",
+                  "guid": "0x0002c903000b9391",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.125",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:91",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -89075,9 +89134,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:92",
+                  "guid": "0x0002c903000b9392",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:92",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -89277,10 +89337,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:51",
+                  "guid": "0x0002c903000b9151",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.126",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:51",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -89294,9 +89355,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:52",
+                  "guid": "0x0002c903000b9152",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:52",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -89496,10 +89558,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:85",
+                  "guid": "0x0002c903000b9285",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.127",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:85",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -89513,9 +89576,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:86",
+                  "guid": "0x0002c903000b9286",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:86",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -89715,10 +89779,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:15",
+                  "guid": "0x0002c903000b9215",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.128",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:15",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -89732,9 +89797,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:16",
+                  "guid": "0x0002c903000b9216",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:16",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -89934,10 +90000,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:05",
+                  "guid": "0x0002c903000b9205",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.129",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:05",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -89951,9 +90018,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:06",
+                  "guid": "0x0002c903000b9206",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:06",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -90153,10 +90221,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:85",
+                  "guid": "0x0002c903000b9385",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.13",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:85",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -90170,9 +90239,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:86",
+                  "guid": "0x0002c903000b9386",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:86",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -90371,10 +90441,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:09",
+                  "guid": "0x0002c903000b9209",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.130",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:09",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -90388,9 +90459,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:0a",
+                  "guid": "0x0002c903000b920a",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:0a",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -90590,10 +90662,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:4d",
+                  "guid": "0x0002c903000b914d",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.131",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:4d",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -90607,9 +90680,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:4e",
+                  "guid": "0x0002c903000b914e",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:4e",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -90809,10 +90883,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:0d",
+                  "guid": "0x0002c903000b920d",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.132",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:0d",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -90826,9 +90901,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:0e",
+                  "guid": "0x0002c903000b920e",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:0e",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -91028,10 +91104,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f7:b3",
+                  "guid": "0x0002c9030005f7b3",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.133",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f7:b3",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -91045,9 +91122,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f7:b4",
+                  "guid": "0x0002c9030005f7b4",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f7:b4",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -91247,10 +91325,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f4:4f",
+                  "guid": "0x0002c9030005f44f",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.134",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f4:4f",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -91264,9 +91343,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f4:50",
+                  "guid": "0x0002c9030005f450",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f4:50",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -91466,10 +91546,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f4:c7",
+                  "guid": "0x0002c9030005f4c7",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.135",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f4:c7",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -91483,9 +91564,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f4:c8",
+                  "guid": "0x0002c9030005f4c8",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f4:c8",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -91685,10 +91767,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f8:47",
+                  "guid": "0x0002c9030005f847",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.136",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f8:47",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -91702,9 +91785,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f8:48",
+                  "guid": "0x0002c9030005f848",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f8:48",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -91904,10 +91988,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f6:47",
+                  "guid": "0x0002c9030005f647",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.137",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f6:47",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -91921,9 +92006,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f6:48",
+                  "guid": "0x0002c9030005f648",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f6:48",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -92123,10 +92209,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f4:c3",
+                  "guid": "0x0002c9030005f4c3",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.138",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f4:c3",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -92140,9 +92227,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f4:c4",
+                  "guid": "0x0002c9030005f4c4",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f4:c4",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -92342,10 +92430,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f7:ff",
+                  "guid": "0x0002c9030005f7ff",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.139",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f7:ff",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -92359,9 +92448,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f8:00",
+                  "guid": "0x0002c9030005f800",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f8:00",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -92561,10 +92651,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:e1",
+                  "guid": "0x0002c903000b93e1",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.14",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:e1",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -92578,9 +92669,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:e2",
+                  "guid": "0x0002c903000b93e2",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:e2",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -92779,10 +92871,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f7:9f",
+                  "guid": "0x0002c9030005f79f",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.140",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f7:9f",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -92796,9 +92889,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f7:a0",
+                  "guid": "0x0002c9030005f7a0",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f7:a0",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -92998,10 +93092,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f7:93",
+                  "guid": "0x0002c9030005f793",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.141",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f7:93",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -93015,9 +93110,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f7:94",
+                  "guid": "0x0002c9030005f794",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f7:94",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -93217,10 +93313,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f7:a7",
+                  "guid": "0x0002c9030005f7a7",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.142",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f7:a7",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -93234,9 +93331,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f7:a8",
+                  "guid": "0x0002c9030005f7a8",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f7:a8",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -93436,10 +93534,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f4:97",
+                  "guid": "0x0002c9030005f497",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.143",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f4:97",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -93453,9 +93552,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f4:98",
+                  "guid": "0x0002c9030005f498",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f4:98",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -93648,10 +93748,11 @@
                 "ib0": {
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f8:5b",
+                  "guid": "0x0002c9030005f85b",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.144",
                   "ip6": "fe80::202:c903:5:f85b",
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f8:5b",
                   "management": false,
                   "mountable": true,
                   "mounted": true,
@@ -93662,8 +93763,9 @@
                 "ib1": {
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f8:5c",
+                  "guid": "0x0002c9030005f85c",
                   "interface": "InfiniBand",
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f8:5c",
                   "management": false,
                   "mountable": false,
                   "mounted": false,
@@ -93839,10 +93941,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:c9",
+                  "guid": "0x0002c903000b93c9",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.15",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:c9",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -93856,9 +93959,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:ca",
+                  "guid": "0x0002c903000b93ca",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:ca",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -94057,10 +94161,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:75",
+                  "guid": "0x0002c903000b9375",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.16",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:75",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -94074,9 +94179,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:76",
+                  "guid": "0x0002c903000b9376",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:76",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -94275,10 +94381,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:71",
+                  "guid": "0x0002c903000b9371",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.17",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:71",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -94292,9 +94399,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:72",
+                  "guid": "0x0002c903000b9372",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:72",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -94493,10 +94601,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:7d",
+                  "guid": "0x0002c903000b937d",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.18",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:7d",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -94510,9 +94619,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:7e",
+                  "guid": "0x0002c903000b937e",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:7e",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -94711,10 +94821,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:55",
+                  "guid": "0x0002c903000b9155",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.19",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:55",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -94728,9 +94839,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:56",
+                  "guid": "0x0002c903000b9156",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:56",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -94929,10 +95041,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:5d",
+                  "guid": "0x0002c903000b915d",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.2",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:5d",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -94946,9 +95059,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:5e",
+                  "guid": "0x0002c903000b915e",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:5e",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -95147,10 +95261,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:45",
+                  "guid": "0x0002c903000b9145",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.20",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:45",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -95164,9 +95279,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:46",
+                  "guid": "0x0002c903000b9146",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:46",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -95365,10 +95481,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:04:53:6d",
+                  "guid": "0x0002c9030004536d",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.21",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:04:53:6d",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -95382,9 +95499,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:04:53:6e",
+                  "guid": "0x0002c9030004536e",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:04:53:6e",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -95583,10 +95701,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:79",
+                  "guid": "0x0002c903000b9379",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.22",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:79",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -95600,9 +95719,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:7a",
+                  "guid": "0x0002c903000b937a",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:7a",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -95801,10 +95921,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:65",
+                  "guid": "0x0002c903000b9365",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.23",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:65",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -95818,9 +95939,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:66",
+                  "guid": "0x0002c903000b9366",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:66",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -96019,10 +96141,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:cd",
+                  "guid": "0x0002c903000b92cd",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.24",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:cd",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -96036,9 +96159,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:ce",
+                  "guid": "0x0002c903000b92ce",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:ce",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -96237,10 +96361,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:a5",
+                  "guid": "0x0002c903000b92a5",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.25",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:a5",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -96254,9 +96379,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:a6",
+                  "guid": "0x0002c903000b92a6",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:a6",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -96455,10 +96581,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:9d",
+                  "guid": "0x0002c903000b929d",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.26",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:9d",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -96472,9 +96599,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:9e",
+                  "guid": "0x0002c903000b929e",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:9e",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -96673,10 +96801,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:89",
+                  "guid": "0x0002c903000b9289",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.27",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:89",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -96690,9 +96819,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:8a",
+                  "guid": "0x0002c903000b928a",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:8a",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -96884,10 +97014,11 @@
                 "ib0": {
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:8d",
+                  "guid": "0x0002c903000b928d",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.28",
                   "ip6": "fe80::202:c903:b:928d",
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:8d",
                   "management": false,
                   "mountable": true,
                   "mounted": true,
@@ -96898,8 +97029,9 @@
                 "ib1": {
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:8e",
+                  "guid": "0x0002c903000b928e",
                   "interface": "InfiniBand",
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:8e",
                   "management": false,
                   "mountable": false,
                   "mounted": false,
@@ -97075,10 +97207,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:90:dd",
+                  "guid": "0x0002c903000b90dd",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.29",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:90:dd",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -97092,9 +97225,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:90:de",
+                  "guid": "0x0002c903000b90de",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:90:de",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -97286,10 +97420,11 @@
                 "ib0": {
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:59",
+                  "guid": "0x0002c903000b9159",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.3",
                   "ip6": "fe80::202:c903:b:9159",
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:59",
                   "management": false,
                   "mountable": true,
                   "mounted": true,
@@ -97300,8 +97435,9 @@
                 "ib1": {
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:5a",
+                  "guid": "0x0002c903000b915a",
                   "interface": "InfiniBand",
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:5a",
                   "management": false,
                   "mountable": false,
                   "mounted": false,
@@ -97477,10 +97613,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:79",
+                  "guid": "0x0002c903000b9279",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.30",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:79",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -97494,9 +97631,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:7a",
+                  "guid": "0x0002c903000b927a",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:7a",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -97695,10 +97833,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:1d",
+                  "guid": "0x0002c903000b921d",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.31",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:1d",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -97712,9 +97851,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:1e",
+                  "guid": "0x0002c903000b921e",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:1e",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -97913,10 +98053,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:7d",
+                  "guid": "0x0002c903000b927d",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.32",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:7d",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -97930,9 +98071,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:7e",
+                  "guid": "0x0002c903000b927e",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:7e",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -98131,10 +98273,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:90:d9",
+                  "guid": "0x0002c903000b90d9",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.33",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:90:d9",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -98148,9 +98291,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:90:da",
+                  "guid": "0x0002c903000b90da",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:90:da",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -98349,10 +98493,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:65",
+                  "guid": "0x0002c903000b9165",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.34",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:65",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -98366,9 +98511,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:66",
+                  "guid": "0x0002c903000b9166",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:66",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -98567,10 +98713,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:01:d5:ef",
+                  "guid": "0x0002c9030001d5ef",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.35",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:01:d5:ef",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -98584,9 +98731,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:01:d5:f0",
+                  "guid": "0x0002c9030001d5f0",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:01:d5:f0",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -98778,10 +98926,11 @@
                 "ib0": {
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:b9",
+                  "guid": "0x0002c903000b92b9",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.36",
                   "ip6": "fe80::202:c903:b:92b9",
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:b9",
                   "management": false,
                   "mountable": true,
                   "mounted": true,
@@ -98792,8 +98941,9 @@
                 "ib1": {
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:ba",
+                  "guid": "0x0002c903000b92ba",
                   "interface": "InfiniBand",
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:ba",
                   "management": false,
                   "mountable": false,
                   "mounted": false,
@@ -98968,10 +99118,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:c5",
+                  "guid": "0x0002c903000b92c5",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.37",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:c5",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -98985,9 +99136,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:c6",
+                  "guid": "0x0002c903000b92c6",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:c6",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -99186,10 +99338,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:b1",
+                  "guid": "0x0002c903000b92b1",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.38",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:b1",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -99203,9 +99356,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:b2",
+                  "guid": "0x0002c903000b92b2",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:b2",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -99404,10 +99558,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:c1",
+                  "guid": "0x0002c903000b92c1",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.39",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:c1",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -99421,9 +99576,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:c2",
+                  "guid": "0x0002c903000b92c2",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:c2",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -99622,10 +99778,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:bd",
+                  "guid": "0x0002c903000b92bd",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.4",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:bd",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -99639,9 +99796,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:be",
+                  "guid": "0x0002c903000b92be",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:be",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -99830,10 +99988,11 @@
                 "ib0": {
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:cd",
+                  "guid": "0x0002c903000b93cd",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.40",
                   "ip6": "fe80::202:c903:b:93cd",
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:cd",
                   "management": false,
                   "mountable": true,
                   "mounted": true,
@@ -99844,8 +100003,9 @@
                 "ib1": {
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:ce",
+                  "guid": "0x0002c903000b93ce",
                   "interface": "InfiniBand",
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:ce",
                   "management": false,
                   "mountable": false,
                   "mounted": false,
@@ -100020,10 +100180,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:99",
+                  "guid": "0x0002c903000b9299",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.41",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:99",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -100037,9 +100198,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:9a",
+                  "guid": "0x0002c903000b929a",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:9a",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -100238,10 +100400,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:a9",
+                  "guid": "0x0002c903000b92a9",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.42",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:a9",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -100255,9 +100418,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:aa",
+                  "guid": "0x0002c903000b92aa",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:aa",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -100456,10 +100620,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:ad",
+                  "guid": "0x0002c903000b92ad",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.43",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:ad",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -100473,9 +100638,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:ae",
+                  "guid": "0x0002c903000b92ae",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:ae",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -100674,10 +100840,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:b5",
+                  "guid": "0x0002c903000b92b5",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.44",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:b5",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -100691,9 +100858,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:b6",
+                  "guid": "0x0002c903000b92b6",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:b6",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -100892,10 +101060,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:21",
+                  "guid": "0x0002c903000b9321",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.45",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:21",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -100909,9 +101078,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:22",
+                  "guid": "0x0002c903000b9322",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:22",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -101110,10 +101280,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:d5",
+                  "guid": "0x0002c903000b93d5",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.46",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:d5",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -101127,9 +101298,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:d6",
+                  "guid": "0x0002c903000b93d6",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:d6",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -101328,10 +101500,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:e5",
+                  "guid": "0x0002c903000b93e5",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.47",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:e5",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -101345,9 +101518,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:e6",
+                  "guid": "0x0002c903000b93e6",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:e6",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -101546,10 +101720,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:dd",
+                  "guid": "0x0002c903000b93dd",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.48",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:dd",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -101563,9 +101738,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:de",
+                  "guid": "0x0002c903000b93de",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:de",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -101764,10 +101940,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:d1",
+                  "guid": "0x0002c903000b93d1",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.49",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:d1",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -101781,9 +101958,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:d2",
+                  "guid": "0x0002c903000b93d2",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:d2",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -101982,10 +102160,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:79",
+                  "guid": "0x0002c903000b9179",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.5",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:79",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -101999,9 +102178,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:7a",
+                  "guid": "0x0002c903000b917a",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:7a",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -102200,10 +102380,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:f1",
+                  "guid": "0x0002c903000b92f1",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.50",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:f1",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -102217,9 +102398,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:f2",
+                  "guid": "0x0002c903000b92f2",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:f2",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -102418,10 +102600,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:e9",
+                  "guid": "0x0002c903000b92e9",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.51",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:e9",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -102435,9 +102618,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:ea",
+                  "guid": "0x0002c903000b92ea",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:ea",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -102636,10 +102820,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:f9",
+                  "guid": "0x0002c903000b92f9",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.52",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:f9",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -102653,9 +102838,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:fa",
+                  "guid": "0x0002c903000b92fa",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:fa",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -102854,10 +103040,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:09",
+                  "guid": "0x0002c903000b9309",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.53",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:09",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -102871,9 +103058,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:0a",
+                  "guid": "0x0002c903000b930a",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:0a",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -103072,10 +103260,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:15",
+                  "guid": "0x0002c903000b9315",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.54",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:15",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -103089,9 +103278,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:16",
+                  "guid": "0x0002c903000b9316",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:16",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -103290,10 +103480,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:0d",
+                  "guid": "0x0002c903000b930d",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.55",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:0d",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -103307,9 +103498,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:0e",
+                  "guid": "0x0002c903000b930e",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:0e",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -103501,10 +103693,11 @@
                 "ib0": {
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:89",
+                  "guid": "0x0002c903000b9189",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.56",
                   "ip6": "fe80::202:c903:b:9189",
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:89",
                   "management": false,
                   "mountable": true,
                   "mounted": true,
@@ -103515,8 +103708,9 @@
                 "ib1": {
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:8a",
+                  "guid": "0x0002c903000b918a",
                   "interface": "InfiniBand",
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:8a",
                   "management": false,
                   "mountable": false,
                   "mounted": false,
@@ -103691,10 +103885,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:8d",
+                  "guid": "0x0002c903000b918d",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.57",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:8d",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -103708,9 +103903,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:8e",
+                  "guid": "0x0002c903000b918e",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:8e",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -103909,10 +104105,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:9d",
+                  "guid": "0x0002c903000b919d",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.58",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:9d",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -103926,9 +104123,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:9e",
+                  "guid": "0x0002c903000b919e",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:9e",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -104127,10 +104325,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:95",
+                  "guid": "0x0002c903000b9195",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.59",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:95",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -104144,9 +104343,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:96",
+                  "guid": "0x0002c903000b9196",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:96",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -104345,10 +104545,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:7d",
+                  "guid": "0x0002c903000b917d",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.6",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:7d",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -104362,9 +104563,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:7e",
+                  "guid": "0x0002c903000b917e",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:7e",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -104563,10 +104765,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:85",
+                  "guid": "0x0002c903000b9185",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.60",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:85",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -104580,9 +104783,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:86",
+                  "guid": "0x0002c903000b9186",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:86",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -104781,10 +104985,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:91",
+                  "guid": "0x0002c903000b9191",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.61",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:91",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -104798,9 +105003,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:92",
+                  "guid": "0x0002c903000b9192",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:92",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -104999,10 +105205,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:99",
+                  "guid": "0x0002c903000b9199",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.62",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:99",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -105016,9 +105223,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:9a",
+                  "guid": "0x0002c903000b919a",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:9a",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -105217,10 +105425,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:81",
+                  "guid": "0x0002c903000b9181",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.63",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:81",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -105234,9 +105443,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:82",
+                  "guid": "0x0002c903000b9182",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:82",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -105435,10 +105645,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:a1",
+                  "guid": "0x0002c903000b92a1",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.64",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:a1",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -105452,9 +105663,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:a2",
+                  "guid": "0x0002c903000b92a2",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:a2",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -105653,10 +105865,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:d9",
+                  "guid": "0x0002c903000b93d9",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.65",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:d9",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -105670,9 +105883,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:da",
+                  "guid": "0x0002c903000b93da",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:da",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -105871,10 +106085,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:49",
+                  "guid": "0x0002c903000b9149",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.66",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:49",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -105888,9 +106103,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:4a",
+                  "guid": "0x0002c903000b914a",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:4a",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -106089,10 +106305,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:b9",
+                  "guid": "0x0002c903000b93b9",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.67",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:b9",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -106106,9 +106323,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:ba",
+                  "guid": "0x0002c903000b93ba",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:ba",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -106307,10 +106525,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:91",
+                  "guid": "0x0002c903000b9291",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.68",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:91",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -106324,9 +106543,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:92",
+                  "guid": "0x0002c903000b9292",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:92",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -106525,10 +106745,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:c1",
+                  "guid": "0x0002c903000b93c1",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.69",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:c1",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -106542,9 +106763,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:c2",
+                  "guid": "0x0002c903000b93c2",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:c2",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -106743,10 +106965,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:61",
+                  "guid": "0x0002c903000b9161",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.7",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:61",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -106760,9 +106983,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:62",
+                  "guid": "0x0002c903000b9162",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:62",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -106961,10 +107185,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:11",
+                  "guid": "0x0002c903000b9311",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.70",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:11",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -106978,9 +107203,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:12",
+                  "guid": "0x0002c903000b9312",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:12",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -107179,10 +107405,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:ed",
+                  "guid": "0x0002c903000b92ed",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.71",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:ed",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -107196,9 +107423,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:ee",
+                  "guid": "0x0002c903000b92ee",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:ee",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -107397,10 +107625,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:95",
+                  "guid": "0x0002c903000b9295",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.72",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:95",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -107414,9 +107643,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:96",
+                  "guid": "0x0002c903000b9296",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:96",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -107615,10 +107845,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:fd",
+                  "guid": "0x0002c903000b92fd",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.73",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:fd",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -107631,9 +107862,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:fe",
+                  "guid": "0x0002c903000b92fe",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:fe",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -107832,10 +108064,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:dd",
+                  "guid": "0x0002c903000b92dd",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.74",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:dd",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -107848,9 +108081,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:de",
+                  "guid": "0x0002c903000b92de",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:de",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -108049,10 +108283,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:e5",
+                  "guid": "0x0002c903000b92e5",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.75",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:e5",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -108065,9 +108300,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:e6",
+                  "guid": "0x0002c903000b92e6",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:e6",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -108266,10 +108502,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:d5",
+                  "guid": "0x0002c903000b92d5",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.76",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:d5",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -108282,9 +108519,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:d6",
+                  "guid": "0x0002c903000b92d6",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:d6",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -108483,10 +108721,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:e1",
+                  "guid": "0x0002c903000b92e1",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.77",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:e1",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -108499,9 +108738,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:e2",
+                  "guid": "0x0002c903000b92e2",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:e2",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -108700,10 +108940,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:01",
+                  "guid": "0x0002c903000b9301",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.78",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:01",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -108716,9 +108957,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:02",
+                  "guid": "0x0002c903000b9302",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:02",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -108917,10 +109159,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:f5",
+                  "guid": "0x0002c903000b92f5",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.79",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:f5",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -108933,9 +109176,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:f6",
+                  "guid": "0x0002c903000b92f6",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:f6",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -109134,10 +109378,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:75",
+                  "guid": "0x0002c903000b9175",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.8",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:75",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -109151,9 +109396,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:76",
+                  "guid": "0x0002c903000b9176",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:76",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -109352,10 +109598,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:d1",
+                  "guid": "0x0002c903000b92d1",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.80",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:d1",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -109368,9 +109615,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:d2",
+                  "guid": "0x0002c903000b92d2",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:d2",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -109569,10 +109817,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:a9",
+                  "guid": "0x0002c903000b93a9",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.81",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:a9",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -109585,9 +109834,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:aa",
+                  "guid": "0x0002c903000b93aa",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:aa",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -109786,10 +110036,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:95",
+                  "guid": "0x0002c903000b9395",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.82",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:95",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -109802,9 +110053,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:96",
+                  "guid": "0x0002c903000b9396",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:96",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -109995,10 +110247,11 @@
                 "ib0": {
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:a5",
+                  "guid": "0x0002c903000b93a5",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.83",
                   "ip6": "fe80::202:c903:b:93a5",
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:a5",
                   "management": false,
                   "mountable": true,
                   "mounted": true,
@@ -110008,8 +110261,9 @@
                 "ib1": {
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:a6",
+                  "guid": "0x0002c903000b93a6",
                   "interface": "InfiniBand",
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:a6",
                   "management": false,
                   "mountable": false,
                   "mounted": false,
@@ -110185,10 +110439,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:9d",
+                  "guid": "0x0002c903000b939d",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.84",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:9d",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -110201,9 +110456,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:9e",
+                  "guid": "0x0002c903000b939e",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:9e",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -110402,10 +110658,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:99",
+                  "guid": "0x0002c903000b9399",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.85",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:99",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -110419,9 +110676,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:9a",
+                  "guid": "0x0002c903000b939a",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:9a",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -110612,10 +110870,11 @@
                 "ib0": {
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:a1",
+                  "guid": "0x0002c903000b93a1",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.86",
                   "ip6": "fe80::202:c903:b:93a1",
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:a1",
                   "management": false,
                   "mountable": true,
                   "mounted": true,
@@ -110626,8 +110885,9 @@
                 "ib1": {
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:a2",
+                  "guid": "0x0002c903000b93a2",
                   "interface": "InfiniBand",
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:a2",
                   "management": false,
                   "mountable": false,
                   "mounted": false,
@@ -110803,10 +111063,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:ad",
+                  "guid": "0x0002c903000b93ad",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.87",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:ad",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -110820,9 +111081,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:ae",
+                  "guid": "0x0002c903000b93ae",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:ae",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -111021,10 +111283,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:b1",
+                  "guid": "0x0002c903000b93b1",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.88",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:b1",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -111038,9 +111301,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:b2",
+                  "guid": "0x0002c903000b93b2",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:b2",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -111239,10 +111503,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:ed",
+                  "guid": "0x0002c903000b5ced",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.89",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:ed",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -111256,9 +111521,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:ee",
+                  "guid": "0x0002c903000b5cee",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:ee",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -111457,10 +111723,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:69",
+                  "guid": "0x0002c903000b9169",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.9",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:69",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -111474,9 +111741,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:6a",
+                  "guid": "0x0002c903000b916a",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:6a",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -111675,10 +111943,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:09",
+                  "guid": "0x0002c903000b5d09",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.90",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:09",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -111692,9 +111961,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:0a",
+                  "guid": "0x0002c903000b5d0a",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:0a",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -111893,10 +112163,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:d1",
+                  "guid": "0x0002c903000b5cd1",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.91",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:d1",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -111910,9 +112181,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:d2",
+                  "guid": "0x0002c903000b5cd2",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:d2",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -112111,10 +112383,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:e5",
+                  "guid": "0x0002c903000b5ce5",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.92",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:e5",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -112128,9 +112401,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:e6",
+                  "guid": "0x0002c903000b5ce6",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:e6",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -112329,10 +112603,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:ad",
+                  "guid": "0x0002c903000b5ead",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.93",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:ad",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -112346,9 +112621,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:ae",
+                  "guid": "0x0002c903000b5eae",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:ae",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -112540,10 +112816,11 @@
                 "ib0": {
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:95",
+                  "guid": "0x0002c903000b5c95",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.94",
                   "ip6": "fe80::202:c903:b:5c95",
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:95",
                   "management": false,
                   "mountable": true,
                   "mounted": true,
@@ -112554,8 +112831,9 @@
                 "ib1": {
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:96",
+                  "guid": "0x0002c903000b5c96",
                   "interface": "InfiniBand",
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:96",
                   "management": false,
                   "mountable": false,
                   "mounted": false,
@@ -112731,10 +113009,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:95",
+                  "guid": "0x0002c903000b5e95",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.95",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:95",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -112748,9 +113027,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:96",
+                  "guid": "0x0002c903000b5e96",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:96",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -112942,10 +113222,11 @@
                 "ib0": {
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:9d",
+                  "guid": "0x0002c903000b5e9d",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.96",
                   "ip6": "fe80::202:c903:b:5e9d",
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:9d",
                   "management": false,
                   "mountable": true,
                   "mounted": true,
@@ -112956,8 +113237,9 @@
                 "ib1": {
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:9e",
+                  "guid": "0x0002c903000b5e9e",
                   "interface": "InfiniBand",
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:9e",
                   "management": false,
                   "mountable": false,
                   "mounted": false,
@@ -113133,10 +113415,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:d5",
+                  "guid": "0x0002c903000b5ed5",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.97",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:d5",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -113150,9 +113433,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:d6",
+                  "guid": "0x0002c903000b5ed6",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:d6",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
@@ -113344,10 +113628,11 @@
                 "ib0": {
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:99",
+                  "guid": "0x0002c903000b5e99",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.98",
                   "ip6": "fe80::202:c903:b:5e99",
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:99",
                   "management": false,
                   "mountable": true,
                   "mounted": true,
@@ -113358,8 +113643,9 @@
                 "ib1": {
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:9a",
+                  "guid": "0x0002c903000b5e9a",
                   "interface": "InfiniBand",
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:9a",
                   "management": false,
                   "mountable": false,
                   "mounted": false,
@@ -113535,10 +113821,11 @@
                   "device": "ib0",
                   "driver": "mlx4_core",
                   "enabled": true,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:b1",
+                  "guid": "0x0002c903000b5eb1",
                   "interface": "InfiniBand",
                   "ip": "172.18.64.99",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:b1",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": true,
@@ -113552,9 +113839,10 @@
                   "device": "ib1",
                   "driver": "mlx4_core",
                   "enabled": false,
-                  "guid": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:b2",
+                  "guid": "0x0002c903000b5eb2",
                   "interface": "InfiniBand",
                   "kavlan": false,
+                  "mac": "20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:b2",
                   "management": false,
                   "model": "MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]",
                   "mountable": false,
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-1.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-1.yaml
index 6e764dd8e5425eab7f058e043705a1593c871e4e..7b1fe99622808001b22f337419c70884d19b1b52 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-1.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-1.yaml
@@ -40,17 +40,19 @@ graphene-1:
       management: false
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:81
+      guid: '0x0002c903000b9281'
       interface: InfiniBand
       ip: 172.18.64.1
       ip6: fe80::202:c903:b:9281
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:81
       management: false
       rate: 20000000000
       version: MT26418
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:82
+      guid: '0x0002c903000b9282'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:82
       management: false
       rate: 10000000000
       version: MT26418
@@ -76,10 +78,10 @@ graphene-1:
     version: X3440
   storage_devices:
     sda:
+      by_id: node-was-not-available-to-retrieve-this-value
       model: Hitachi HDS72103
       rev: JPFOA3EA
       size: 320072933376
       vendor: Hitachi
-      by_id: node-was-not-available-to-retrieve-this-value
   supported_job_types:
     virtual: ivt
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-10.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-10.yaml
index f96a73601f8a81c4ef4a507950d6dd71660c0dc5..729021a40b4903c542b5740e5dce7d8fdfc45f9e 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-10.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-10.yaml
@@ -52,17 +52,19 @@ graphene-10:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:6d
+      guid: '0x0002c903000b916d'
       interface: InfiniBand
       ip: 172.18.64.10
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:6d
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:6e
+      guid: '0x0002c903000b916e'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:6e
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-100.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-100.yaml
index 9f21039cb62cc3b10262fea9d600f2b24c4b4ed1..c651d9503206a265cce1d1cf49ec9d213a8898b4 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-100.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-100.yaml
@@ -52,17 +52,19 @@ graphene-100:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:0d
+      guid: '0x0002c903000b5d0d'
       interface: InfiniBand
       ip: 172.18.64.100
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:0d
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:0e
+      guid: '0x0002c903000b5d0e'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:0e
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-101.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-101.yaml
index 1a7ed550deb4d08fac36ba565a32bc235b183aa6..34f16384a62843864e6cc6e81e3d8aa3ed6ce301 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-101.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-101.yaml
@@ -52,17 +52,19 @@ graphene-101:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:d9
+      guid: '0x0002c903000b5cd9'
       interface: InfiniBand
       ip: 172.18.64.101
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:d9
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:da
+      guid: '0x0002c903000b5cda'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:da
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-102.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-102.yaml
index 0cd3b0573a1f1204ab7d0cfd17aa870ee3a02da4..55019d225d9784818089e38ef3d55a72f9572646 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-102.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-102.yaml
@@ -52,17 +52,19 @@ graphene-102:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:71
+      guid: '0x0002c903000b5e71'
       interface: InfiniBand
       ip: 172.18.64.102
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:71
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:72
+      guid: '0x0002c903000b5e72'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:72
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-103.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-103.yaml
index cc87dae583b41aeaec42750a9ec438ac0f86611b..cb230f0b11b0482b5e49380ecdea360162cf1a00 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-103.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-103.yaml
@@ -52,17 +52,19 @@ graphene-103:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:49
+      guid: '0x0002c903000b5d49'
       interface: InfiniBand
       ip: 172.18.64.103
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:49
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:4a
+      guid: '0x0002c903000b5d4a'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:4a
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-104.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-104.yaml
index bedf6b1bf22389f5795c09a359503aa14a43fb33..0fde912c00dd2e934dd0587cfba15ec527169b76 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-104.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-104.yaml
@@ -52,17 +52,19 @@ graphene-104:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:15
+      guid: '0x0002c903000b5d15'
       interface: InfiniBand
       ip: 172.18.64.104
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:15
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:16
+      guid: '0x0002c903000b5d16'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:16
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-105.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-105.yaml
index ce5ec5e8ffa387738a5057d560724c227cf787ec..b71f53e1a31b1145a996fef65cffa5c25aaf9f05 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-105.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-105.yaml
@@ -52,17 +52,19 @@ graphene-105:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:19
+      guid: '0x0002c903000b5d19'
       interface: InfiniBand
       ip: 172.18.64.105
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:19
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:1a
+      guid: '0x0002c903000b5d1a'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:1a
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-106.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-106.yaml
index 438e5d5e4d2ff7dd7550bda2e6504a969d85a357..6dc618f2e5e68a6a9b42a92e547e863265e0646f 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-106.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-106.yaml
@@ -52,17 +52,19 @@ graphene-106:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:ad
+      guid: '0x0002c903000b5cad'
       interface: InfiniBand
       ip: 172.18.64.106
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:ad
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:ae
+      guid: '0x0002c903000b5cae'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:ae
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-107.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-107.yaml
index 3f0a0e270619d15d6ca5a0e32412b9a4536f7f7e..5ede15f6d9ffbad333798cdbbe82eb9b8f5a9494 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-107.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-107.yaml
@@ -52,17 +52,19 @@ graphene-107:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:3d
+      guid: '0x0002c903000b5d3d'
       interface: InfiniBand
       ip: 172.18.64.107
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:3d
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:3e
+      guid: '0x0002c903000b5d3e'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:3e
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-108.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-108.yaml
index 0821fce8379cafa6a551a1ed0080759f8e41af66..9208b9260433530d91a45bd312a796bca9da0332 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-108.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-108.yaml
@@ -52,17 +52,19 @@ graphene-108:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:21
+      guid: '0x0002c903000b5d21'
       interface: InfiniBand
       ip: 172.18.64.108
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:21
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:22
+      guid: '0x0002c903000b5d22'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:22
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-109.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-109.yaml
index c13034620e022e74dd88125f9344365759ad16cc..84646af4114aa0151963e78f96ea47bb5cddf6a1 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-109.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-109.yaml
@@ -52,17 +52,19 @@ graphene-109:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:25
+      guid: '0x0002c903000b5d25'
       interface: InfiniBand
       ip: 172.18.64.109
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:25
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:26
+      guid: '0x0002c903000b5d26'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:26
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-11.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-11.yaml
index 23fa20cbe78244f6e0632589adb94d629aa33851..a02023c89bf7b318ae228a090d7f9cc79ac8afff 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-11.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-11.yaml
@@ -52,17 +52,19 @@ graphene-11:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:71
+      guid: '0x0002c903000b9171'
       interface: InfiniBand
       ip: 172.18.64.11
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:71
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:72
+      guid: '0x0002c903000b9172'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:72
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-110.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-110.yaml
index e8779c8f212d250c2c928fbb04db23d0154761f5..86a14ea83edb8d68ac6fceca1aa64a0315243c92 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-110.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-110.yaml
@@ -52,17 +52,19 @@ graphene-110:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:a9
+      guid: '0x0002c903000b5ca9'
       interface: InfiniBand
       ip: 172.18.64.110
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:a9
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:aa
+      guid: '0x0002c903000b5caa'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:aa
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-111.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-111.yaml
index 4c12dbd6d993c9ebe26967dcd22afeb8aa7141f7..8c9d47c3675761ca756f3b33fda94c6fd26aca0c 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-111.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-111.yaml
@@ -52,17 +52,19 @@ graphene-111:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0c:55:91
+      guid: '0x0002c903000c5591'
       interface: InfiniBand
       ip: 172.18.64.111
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0c:55:91
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0c:55:92
+      guid: '0x0002c903000c5592'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0c:55:92
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-112.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-112.yaml
index 305d8569de7a5c7900e85ed2ddb43ae4180f258c..94738fa5e93f6779989157f59b6075b2077e9fa3 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-112.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-112.yaml
@@ -52,17 +52,19 @@ graphene-112:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:7e:9d
+      guid: '0x0002c903000b7e9d'
       interface: InfiniBand
       ip: 172.18.64.112
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:7e:9d
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:7e:9e
+      guid: '0x0002c903000b7e9e'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:7e:9e
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-113.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-113.yaml
index 7580e816b14194a527c38ff1904ef000a2604e6c..d4dfce5318bc8f9c0d772b303b2d268f9196450e 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-113.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-113.yaml
@@ -52,17 +52,19 @@ graphene-113:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:b5
+      guid: '0x0002c903000b93b5'
       interface: InfiniBand
       ip: 172.18.64.113
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:b5
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:b6
+      guid: '0x0002c903000b93b6'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:b6
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-114.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-114.yaml
index 1f3ce97c3f5f3f03b89718bf0d60a0ce1e93bcae..85b3e04f9b0222957f1de0a1739101cf50fb6cd3 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-114.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-114.yaml
@@ -52,17 +52,19 @@ graphene-114:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:c5
+      guid: '0x0002c903000b93c5'
       interface: InfiniBand
       ip: 172.18.64.114
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:c5
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:c6
+      guid: '0x0002c903000b93c6'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:c6
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-115.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-115.yaml
index ae3d1b01dc746299764c5e6d75a387b5f779169d..ee65966d16756a35060b0b5299e3530282c38ef5 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-115.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-115.yaml
@@ -52,17 +52,19 @@ graphene-115:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:05
+      guid: '0x0002c903000b9305'
       interface: InfiniBand
       ip: 172.18.64.115
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:05
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:06
+      guid: '0x0002c903000b9306'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:06
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-116.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-116.yaml
index 6c4e218372a34dbb4f5563ff4e6df5280fd6562e..0bd856dfef87e21b5d961aff4dda987da97a145e 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-116.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-116.yaml
@@ -52,17 +52,19 @@ graphene-116:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:1d
+      guid: '0x0002c903000b931d'
       interface: InfiniBand
       ip: 172.18.64.116
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:1d
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:1e
+      guid: '0x0002c903000b931e'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:1e
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-117.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-117.yaml
index c7e737036220d6cb5cad0b33eeb38483ebe12249..9a473ae575f96d2ee5b4c029dc013848dc5ff416 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-117.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-117.yaml
@@ -52,17 +52,19 @@ graphene-117:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:25
+      guid: '0x0002c903000b9325'
       interface: InfiniBand
       ip: 172.18.64.117
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:25
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:26
+      guid: '0x0002c903000b9326'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:26
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-118.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-118.yaml
index 559510b676d85fd00e80052e462fb0d28134bbbf..bb8d5b03a8e55baaf1f97e271c6044b20b879df5 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-118.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-118.yaml
@@ -52,17 +52,19 @@ graphene-118:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:d9
+      guid: '0x0002c903000b92d9'
       interface: InfiniBand
       ip: 172.18.64.118
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:d9
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:da
+      guid: '0x0002c903000b92da'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:da
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-119.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-119.yaml
index 986510c0d51222cba0bd0619de1237b20ce6cf25..c562d811268f9cd80cef4d9ef3c475c5a08f04fb 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-119.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-119.yaml
@@ -52,17 +52,19 @@ graphene-119:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:19
+      guid: '0x0002c903000b9319'
       interface: InfiniBand
       ip: 172.18.64.119
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:19
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:1a
+      guid: '0x0002c903000b931a'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:1a
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-12.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-12.yaml
index 57041b73cd8d50c1140beb2adba9781751056875..10a570914487b17a9bda7f2c77e281b85492b600 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-12.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-12.yaml
@@ -52,17 +52,19 @@ graphene-12:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:81
+      guid: '0x0002c903000b9381'
       interface: InfiniBand
       ip: 172.18.64.12
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:81
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:82
+      guid: '0x0002c903000b9382'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:82
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-120.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-120.yaml
index c3522da58f538f63133674bdb53f3d3dd9c94047..12e31eac92708fe652a9729d5b5f02051f86d2eb 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-120.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-120.yaml
@@ -52,17 +52,19 @@ graphene-120:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:29
+      guid: '0x0002c903000b9329'
       interface: InfiniBand
       ip: 172.18.64.120
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:29
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:2a
+      guid: '0x0002c903000b932a'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:2a
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-121.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-121.yaml
index c7f3e3b94337de0d5924554563261a09248fc30a..8cb2a0acc095385c89cd209c71720724857519a5 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-121.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-121.yaml
@@ -52,17 +52,19 @@ graphene-121:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:2d
+      guid: '0x0002c903000b932d'
       interface: InfiniBand
       ip: 172.18.64.121
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:2d
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:2e
+      guid: '0x0002c903000b932e'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:2e
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-122.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-122.yaml
index c728607127e9527b5b50cd1cccf63a44af22b47f..0ebaccde09f3c037c4838bb46ae8e01919a76403 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-122.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-122.yaml
@@ -52,17 +52,19 @@ graphene-122:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:85
+      guid: '0x0002c903000b5d85'
       interface: InfiniBand
       ip: 172.18.64.122
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:85
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:86
+      guid: '0x0002c903000b5d86'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:86
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-123.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-123.yaml
index 0e35631acc6a21842cf09b55e6dd0b4103d4fc9a..ee5e4251d6e0ae15d76fa8581e68dbbd6b07cb6e 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-123.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-123.yaml
@@ -41,17 +41,19 @@ graphene-123:
       management: false
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:19
+      guid: '0x0002c903000b9219'
       interface: InfiniBand
       ip: 172.18.64.123
       ip6: fe80::202:c903:b:9219
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:19
       management: false
       rate: 20000000000
       version: MT26418
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:1a
+      guid: '0x0002c903000b921a'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:1a
       management: false
       rate: 10000000000
       version: MT26418
@@ -77,10 +79,10 @@ graphene-123:
     version: X3440
   storage_devices:
     sda:
+      by_id: node-was-not-available-to-retrieve-this-value
       model: Hitachi HDS72103
       rev: A3EA
       size: 320072933376
       vendor: Hitachi
-      by_id: node-was-not-available-to-retrieve-this-value
   supported_job_types:
     virtual: ivt
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-124.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-124.yaml
index a09620fed65a06251ec6cd53b5d26f07b700641c..8a59cc2a3304fa4b5c279086c4a5219e973b2bc4 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-124.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-124.yaml
@@ -52,17 +52,19 @@ graphene-124:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:02:7f:61
+      guid: '0x0002c90300027f61'
       interface: InfiniBand
       ip: 172.18.64.124
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:02:7f:61
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:02:7f:62
+      guid: '0x0002c90300027f62'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:02:7f:62
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-125.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-125.yaml
index 5bfb9fa5e09ec74690cc701288f753a1832f4c34..d0ffc6c36359743651883f2af35e6fb4f0a96243 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-125.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-125.yaml
@@ -52,17 +52,19 @@ graphene-125:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:91
+      guid: '0x0002c903000b9391'
       interface: InfiniBand
       ip: 172.18.64.125
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:91
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:92
+      guid: '0x0002c903000b9392'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:92
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-126.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-126.yaml
index 4507a6611a6bcfa0acee2bf09d886d8fa6bb9511..fffb6ae4e91d07987de4368e548ae944c54b3c45 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-126.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-126.yaml
@@ -52,17 +52,19 @@ graphene-126:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:51
+      guid: '0x0002c903000b9151'
       interface: InfiniBand
       ip: 172.18.64.126
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:51
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:52
+      guid: '0x0002c903000b9152'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:52
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-127.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-127.yaml
index b191aaa47b00523f140979fc7b5124ff729bd2bb..2129edbc4a0a14e3dc8671a33621860d2e3f5caf 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-127.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-127.yaml
@@ -52,17 +52,19 @@ graphene-127:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:85
+      guid: '0x0002c903000b9285'
       interface: InfiniBand
       ip: 172.18.64.127
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:85
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:86
+      guid: '0x0002c903000b9286'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:86
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-128.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-128.yaml
index 14fa4efe744bf40eb43bdfc84c20dde6e2ba9838..7242585ce537d01455c7ad8c34af9b42ed4422ad 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-128.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-128.yaml
@@ -52,17 +52,19 @@ graphene-128:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:15
+      guid: '0x0002c903000b9215'
       interface: InfiniBand
       ip: 172.18.64.128
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:15
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:16
+      guid: '0x0002c903000b9216'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:16
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-129.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-129.yaml
index 8db9c3698d2da31ed3be9a83295c93c913c8c4b8..2b1fd429dff678313f7d0aa5b8ac63ba5f0ce22f 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-129.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-129.yaml
@@ -52,17 +52,19 @@ graphene-129:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:05
+      guid: '0x0002c903000b9205'
       interface: InfiniBand
       ip: 172.18.64.129
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:05
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:06
+      guid: '0x0002c903000b9206'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:06
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-13.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-13.yaml
index 6a96e45b917d6cb7f0ddf9b6fa9408a4a3129009..030c021cb3031bca0b3564b8d2c38e345df0eb09 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-13.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-13.yaml
@@ -52,17 +52,19 @@ graphene-13:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:85
+      guid: '0x0002c903000b9385'
       interface: InfiniBand
       ip: 172.18.64.13
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:85
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:86
+      guid: '0x0002c903000b9386'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:86
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-130.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-130.yaml
index 94d69d2419010ebf794106b37747324f0662217b..8c907dff7563ba54321a795562782fce824621a6 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-130.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-130.yaml
@@ -52,17 +52,19 @@ graphene-130:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:09
+      guid: '0x0002c903000b9209'
       interface: InfiniBand
       ip: 172.18.64.130
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:09
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:0a
+      guid: '0x0002c903000b920a'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:0a
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-131.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-131.yaml
index c5044db9308c9800d14bf13ad0daf315abdc51e7..50a7df0d7e12e95c3065e61aee7d8e86b7dec951 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-131.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-131.yaml
@@ -52,17 +52,19 @@ graphene-131:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:4d
+      guid: '0x0002c903000b914d'
       interface: InfiniBand
       ip: 172.18.64.131
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:4d
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:4e
+      guid: '0x0002c903000b914e'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:4e
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-132.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-132.yaml
index 255c85f6161a455a5b68eae76e79128fc7883a59..346d745371af5ac9d0d27151b64448fae47221b9 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-132.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-132.yaml
@@ -52,17 +52,19 @@ graphene-132:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:0d
+      guid: '0x0002c903000b920d'
       interface: InfiniBand
       ip: 172.18.64.132
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:0d
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:0e
+      guid: '0x0002c903000b920e'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:0e
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-133.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-133.yaml
index 53bb473340229a79dd1f7a5777b71ebbbc4aceff..40684b4612e84be3fb3ee86577def7cc098cbece 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-133.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-133.yaml
@@ -52,17 +52,19 @@ graphene-133:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f7:b3
+      guid: '0x0002c9030005f7b3'
       interface: InfiniBand
       ip: 172.18.64.133
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f7:b3
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f7:b4
+      guid: '0x0002c9030005f7b4'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f7:b4
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-134.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-134.yaml
index 789faf4c327bd2121ea562f3d4ad510b87084ea4..b04406001c7fcca1b8d0f975e15ae7d9c7361fe1 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-134.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-134.yaml
@@ -52,17 +52,19 @@ graphene-134:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f4:4f
+      guid: '0x0002c9030005f44f'
       interface: InfiniBand
       ip: 172.18.64.134
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f4:4f
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f4:50
+      guid: '0x0002c9030005f450'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f4:50
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-135.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-135.yaml
index bbd4507262f87c62f75c1a913c9d7d6f76b5fe08..87c2e5c052103d5b595f429782ddfbef4626de4b 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-135.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-135.yaml
@@ -52,17 +52,19 @@ graphene-135:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f4:c7
+      guid: '0x0002c9030005f4c7'
       interface: InfiniBand
       ip: 172.18.64.135
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f4:c7
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f4:c8
+      guid: '0x0002c9030005f4c8'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f4:c8
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-136.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-136.yaml
index cab3b7b051165f87f65af8544b92b28e75c5132f..62c4c6c6ac410f1515a50e51650e8ab63197e0ed 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-136.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-136.yaml
@@ -52,17 +52,19 @@ graphene-136:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f8:47
+      guid: '0x0002c9030005f847'
       interface: InfiniBand
       ip: 172.18.64.136
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f8:47
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f8:48
+      guid: '0x0002c9030005f848'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f8:48
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-137.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-137.yaml
index 0cbc1edca63d9c74d7452f2023262a14f15890b4..8d7905328079d365339bc79c8060a9c7a4ba9814 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-137.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-137.yaml
@@ -52,17 +52,19 @@ graphene-137:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f6:47
+      guid: '0x0002c9030005f647'
       interface: InfiniBand
       ip: 172.18.64.137
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f6:47
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f6:48
+      guid: '0x0002c9030005f648'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f6:48
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-138.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-138.yaml
index 3e931f6c2ee214b2e0564ea7a3a8c05724a7cb46..098fd5e188a1f8101a2dd037c7c2c87289b75a44 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-138.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-138.yaml
@@ -52,17 +52,19 @@ graphene-138:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f4:c3
+      guid: '0x0002c9030005f4c3'
       interface: InfiniBand
       ip: 172.18.64.138
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f4:c3
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f4:c4
+      guid: '0x0002c9030005f4c4'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f4:c4
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-139.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-139.yaml
index ed3c1a5f7b1ff5b34b3ceab711d93480fdbdf306..9e70d5766b0f44acf3e5a5f1939572c4e1e0dc9b 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-139.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-139.yaml
@@ -52,17 +52,19 @@ graphene-139:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f7:ff
+      guid: '0x0002c9030005f7ff'
       interface: InfiniBand
       ip: 172.18.64.139
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f7:ff
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f8:00
+      guid: '0x0002c9030005f800'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f8:00
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-14.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-14.yaml
index 9a4a9e6c34328e5184312f7a330603878d003a10..66c602ae30c501bb2df0920c493cf35f6d90ac4e 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-14.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-14.yaml
@@ -52,17 +52,19 @@ graphene-14:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:e1
+      guid: '0x0002c903000b93e1'
       interface: InfiniBand
       ip: 172.18.64.14
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:e1
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:e2
+      guid: '0x0002c903000b93e2'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:e2
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-140.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-140.yaml
index ea1514f21201b4b75e2b7c17f79b7e85214507aa..db74e9a3e38bd5379a49ee5affe8d2f3d478d8f8 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-140.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-140.yaml
@@ -52,17 +52,19 @@ graphene-140:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f7:9f
+      guid: '0x0002c9030005f79f'
       interface: InfiniBand
       ip: 172.18.64.140
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f7:9f
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f7:a0
+      guid: '0x0002c9030005f7a0'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f7:a0
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-141.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-141.yaml
index 530bc51db1b6e9b2a0f6d08c15f2c729eb22ade3..f45aaed70c6a447e9a54e78285e4bf59ae481d1c 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-141.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-141.yaml
@@ -52,17 +52,19 @@ graphene-141:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f7:93
+      guid: '0x0002c9030005f793'
       interface: InfiniBand
       ip: 172.18.64.141
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f7:93
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f7:94
+      guid: '0x0002c9030005f794'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f7:94
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-142.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-142.yaml
index ffb4d0c71dbada5d3d88ef753ea15e143d8739a2..043db12770342a4afc4253e0dd0239ffde7963dd 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-142.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-142.yaml
@@ -52,17 +52,19 @@ graphene-142:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f7:a7
+      guid: '0x0002c9030005f7a7'
       interface: InfiniBand
       ip: 172.18.64.142
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f7:a7
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f7:a8
+      guid: '0x0002c9030005f7a8'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f7:a8
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-143.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-143.yaml
index 68ff13dbcdb86d92c24062f0066458b4e874f2d9..2bd5c5eb055b2bf25446be57271b3c14e2f65844 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-143.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-143.yaml
@@ -52,17 +52,19 @@ graphene-143:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f4:97
+      guid: '0x0002c9030005f497'
       interface: InfiniBand
       ip: 172.18.64.143
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f4:97
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f4:98
+      guid: '0x0002c9030005f498'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f4:98
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-144.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-144.yaml
index 2a46905e4efc9c454a7a78934e507bc3372cf18d..5136d30617e37d282cc031248a0a5bc3945b12ea 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-144.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-144.yaml
@@ -41,17 +41,19 @@ graphene-144:
       management: false
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f8:5b
+      guid: '0x0002c9030005f85b'
       interface: InfiniBand
       ip: 172.18.64.144
       ip6: fe80::202:c903:5:f85b
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f8:5b
       management: false
       rate: 20000000000
       version: MT26418
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f8:5c
+      guid: '0x0002c9030005f85c'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:05:f8:5c
       management: false
       rate: 10000000000
       version: MT26418
@@ -77,10 +79,10 @@ graphene-144:
     version: X3440
   storage_devices:
     sda:
+      by_id: node-was-not-available-to-retrieve-this-value
       model: Hitachi HDS72103
       rev: A3EA
       size: 320072933376
       vendor: Hitachi
-      by_id: node-was-not-available-to-retrieve-this-value
   supported_job_types:
     virtual: ivt
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-15.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-15.yaml
index 6ee932dbd61a4fdb75a9b9d075eed9b8d918c89f..471c823f28057b29a59069149eb6c3550335369e 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-15.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-15.yaml
@@ -52,17 +52,19 @@ graphene-15:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:c9
+      guid: '0x0002c903000b93c9'
       interface: InfiniBand
       ip: 172.18.64.15
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:c9
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:ca
+      guid: '0x0002c903000b93ca'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:ca
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-16.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-16.yaml
index b3b45e64c6c727ac540e329e410a881acccdf47d..80e01656b1d5d528602b7a251d1428548588b0af 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-16.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-16.yaml
@@ -52,17 +52,19 @@ graphene-16:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:75
+      guid: '0x0002c903000b9375'
       interface: InfiniBand
       ip: 172.18.64.16
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:75
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:76
+      guid: '0x0002c903000b9376'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:76
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-17.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-17.yaml
index bbd16ca50e2fc880221e0ac0c3fdef18613f97bf..f973f808d7dd39dbece8e8f23173add7418d5c83 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-17.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-17.yaml
@@ -52,17 +52,19 @@ graphene-17:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:71
+      guid: '0x0002c903000b9371'
       interface: InfiniBand
       ip: 172.18.64.17
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:71
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:72
+      guid: '0x0002c903000b9372'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:72
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-18.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-18.yaml
index 5c13eba4c019a0731d73155a88207a5d5e4b609c..3bbb1395d3460f4e7eafd177d821ced2ea7a411a 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-18.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-18.yaml
@@ -52,17 +52,19 @@ graphene-18:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:7d
+      guid: '0x0002c903000b937d'
       interface: InfiniBand
       ip: 172.18.64.18
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:7d
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:7e
+      guid: '0x0002c903000b937e'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:7e
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-19.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-19.yaml
index 01f3549ff1b95c4837853899dc2e467fe4e54fb5..6b45d76c31e074233baf673a317cfe0b904f724a 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-19.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-19.yaml
@@ -52,17 +52,19 @@ graphene-19:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:55
+      guid: '0x0002c903000b9155'
       interface: InfiniBand
       ip: 172.18.64.19
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:55
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:56
+      guid: '0x0002c903000b9156'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:56
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-2.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-2.yaml
index 645c7b1f363ee9a09a0ade800f474a593713ec8d..0bd1b707fce20656c027e9a3114426b664de3ac2 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-2.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-2.yaml
@@ -52,17 +52,19 @@ graphene-2:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:5d
+      guid: '0x0002c903000b915d'
       interface: InfiniBand
       ip: 172.18.64.2
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:5d
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:5e
+      guid: '0x0002c903000b915e'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:5e
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-20.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-20.yaml
index e8f036b9ee59e9ac53c13d1ab3c42098f074f451..15ec63b407500d29d2b2655fe22906e195c53004 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-20.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-20.yaml
@@ -52,17 +52,19 @@ graphene-20:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:45
+      guid: '0x0002c903000b9145'
       interface: InfiniBand
       ip: 172.18.64.20
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:45
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:46
+      guid: '0x0002c903000b9146'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:46
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-21.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-21.yaml
index 35634e255e200b2e3f024e615c4ac7c8b4b5fe4a..b1601429fadc86399c137f9a1eb19a6733f95043 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-21.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-21.yaml
@@ -52,17 +52,19 @@ graphene-21:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:04:53:6d
+      guid: '0x0002c9030004536d'
       interface: InfiniBand
       ip: 172.18.64.21
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:04:53:6d
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:04:53:6e
+      guid: '0x0002c9030004536e'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:04:53:6e
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-22.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-22.yaml
index 726f4ad9cf578e8e63729ae6fcadaeeb57de6b2c..3c88c0adfa903f0ca58c3193ea5d3ae558c20175 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-22.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-22.yaml
@@ -52,17 +52,19 @@ graphene-22:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:79
+      guid: '0x0002c903000b9379'
       interface: InfiniBand
       ip: 172.18.64.22
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:79
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:7a
+      guid: '0x0002c903000b937a'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:7a
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-23.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-23.yaml
index 91b44d742a14c818a2641d3d9bb3a05f63a3f3eb..449e7ed2cd7bd2d18f665beab830272bb7122962 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-23.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-23.yaml
@@ -52,17 +52,19 @@ graphene-23:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:65
+      guid: '0x0002c903000b9365'
       interface: InfiniBand
       ip: 172.18.64.23
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:65
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:66
+      guid: '0x0002c903000b9366'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:66
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-24.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-24.yaml
index 8fcb8b5c50a0854765308f1d816dbd2d8e331693..a0f061aefc1522e8866a9dbe58374636947a005e 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-24.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-24.yaml
@@ -52,17 +52,19 @@ graphene-24:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:cd
+      guid: '0x0002c903000b92cd'
       interface: InfiniBand
       ip: 172.18.64.24
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:cd
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:ce
+      guid: '0x0002c903000b92ce'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:ce
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-25.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-25.yaml
index a52924bd0200eebc01719ef6a5ea72ed87a304ff..98d36d9e7adb5a2af3d83884a459c63780ff210d 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-25.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-25.yaml
@@ -52,17 +52,19 @@ graphene-25:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:a5
+      guid: '0x0002c903000b92a5'
       interface: InfiniBand
       ip: 172.18.64.25
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:a5
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:a6
+      guid: '0x0002c903000b92a6'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:a6
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-26.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-26.yaml
index 45d5a105266ec427fbc9500d626de64e8dc0766b..f9fe2c1607355f7315c72026b5dba95aaad45aab 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-26.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-26.yaml
@@ -52,17 +52,19 @@ graphene-26:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:9d
+      guid: '0x0002c903000b929d'
       interface: InfiniBand
       ip: 172.18.64.26
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:9d
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:9e
+      guid: '0x0002c903000b929e'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:9e
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-27.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-27.yaml
index 808e60a204a5be62c59380809cf14ad66f60fddd..50f069fdd5d89afab430ace3df141f60137f3dfa 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-27.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-27.yaml
@@ -52,17 +52,19 @@ graphene-27:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:89
+      guid: '0x0002c903000b9289'
       interface: InfiniBand
       ip: 172.18.64.27
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:89
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:8a
+      guid: '0x0002c903000b928a'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:8a
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-28.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-28.yaml
index 0e313f70bf6a95ecda6cdc033023f11b5145cc28..8fd61f10763bb57bafb84c6b3a770abc847707c9 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-28.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-28.yaml
@@ -41,17 +41,19 @@ graphene-28:
       management: false
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:8d
+      guid: '0x0002c903000b928d'
       interface: InfiniBand
       ip: 172.18.64.28
       ip6: fe80::202:c903:b:928d
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:8d
       management: false
       rate: 20000000000
       version: MT26418
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:8e
+      guid: '0x0002c903000b928e'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:8e
       management: false
       rate: 10000000000
       version: MT26418
@@ -77,10 +79,10 @@ graphene-28:
     version: X3440
   storage_devices:
     sda:
+      by_id: node-was-not-available-to-retrieve-this-value
       model: Hitachi HDS72103
       rev: A3EA
       size: 320072933376
       vendor: Hitachi
-      by_id: node-was-not-available-to-retrieve-this-value
   supported_job_types:
     virtual: ivt
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-29.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-29.yaml
index c7b4d872da51af2faa0edcf050872eb722d04968..6c469ffd2f19aa50a64e0929ba5ffe951bcdd44c 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-29.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-29.yaml
@@ -52,17 +52,19 @@ graphene-29:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:90:dd
+      guid: '0x0002c903000b90dd'
       interface: InfiniBand
       ip: 172.18.64.29
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:90:dd
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:90:de
+      guid: '0x0002c903000b90de'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:90:de
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-3.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-3.yaml
index 9b4d85ba7b02648e400162d75aac344ce1d5bf9b..bc8025e6a98caece15aaf7635b84cc3df0a28d2b 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-3.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-3.yaml
@@ -41,17 +41,19 @@ graphene-3:
       management: false
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:59
+      guid: '0x0002c903000b9159'
       interface: InfiniBand
       ip: 172.18.64.3
       ip6: fe80::202:c903:b:9159
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:59
       management: false
       rate: 20000000000
       version: MT26418
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:5a
+      guid: '0x0002c903000b915a'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:5a
       management: false
       rate: 10000000000
       version: MT26418
@@ -77,10 +79,10 @@ graphene-3:
     version: X3440
   storage_devices:
     sda:
+      by_id: node-was-not-available-to-retrieve-this-value
       model: Hitachi HDS72103
       rev: A3EA
       size: 320072933376
       vendor: Hitachi
-      by_id: node-was-not-available-to-retrieve-this-value
   supported_job_types:
     virtual: ivt
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-30.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-30.yaml
index 20b619b0814590acac184043d53fc6c61b0cd3ec..13eb0f046fd77d6980496920ee0a6b8f80bc52d0 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-30.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-30.yaml
@@ -52,17 +52,19 @@ graphene-30:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:79
+      guid: '0x0002c903000b9279'
       interface: InfiniBand
       ip: 172.18.64.30
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:79
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:7a
+      guid: '0x0002c903000b927a'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:7a
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-31.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-31.yaml
index ebcc7c473f20b6397058d0d5897fcd6243db690b..a734e4d1808cafd9a88a9a18aaca1dc1012a9f6a 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-31.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-31.yaml
@@ -52,17 +52,19 @@ graphene-31:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:1d
+      guid: '0x0002c903000b921d'
       interface: InfiniBand
       ip: 172.18.64.31
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:1d
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:1e
+      guid: '0x0002c903000b921e'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:1e
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-32.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-32.yaml
index 751c6e240ed900dd935b3b84d5200ee106424740..73cf68f58f86c528552db64a4993c141c9a75a40 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-32.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-32.yaml
@@ -52,17 +52,19 @@ graphene-32:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:7d
+      guid: '0x0002c903000b927d'
       interface: InfiniBand
       ip: 172.18.64.32
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:7d
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:7e
+      guid: '0x0002c903000b927e'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:7e
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-33.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-33.yaml
index d8e1c8c38d89d3b863e4fb3819bf8917b826615d..869d81c86b4698c30488b94b442e2d34f3204b4c 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-33.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-33.yaml
@@ -52,17 +52,19 @@ graphene-33:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:90:d9
+      guid: '0x0002c903000b90d9'
       interface: InfiniBand
       ip: 172.18.64.33
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:90:d9
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:90:da
+      guid: '0x0002c903000b90da'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:90:da
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-34.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-34.yaml
index 3d65ecae18d4c0d590b76eae82d5f196bd80e7f8..b63396d2cff2f44789acc90cf5888b0af59d6436 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-34.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-34.yaml
@@ -52,17 +52,19 @@ graphene-34:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:65
+      guid: '0x0002c903000b9165'
       interface: InfiniBand
       ip: 172.18.64.34
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:65
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:66
+      guid: '0x0002c903000b9166'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:66
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-35.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-35.yaml
index 290f102113952dba588348cce2d271abe91334fc..d55b616235a37a675148d929161d83dfac165fee 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-35.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-35.yaml
@@ -52,17 +52,19 @@ graphene-35:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:01:d5:ef
+      guid: '0x0002c9030001d5ef'
       interface: InfiniBand
       ip: 172.18.64.35
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:01:d5:ef
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:01:d5:f0
+      guid: '0x0002c9030001d5f0'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:01:d5:f0
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-36.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-36.yaml
index 0d620d2ed09af9ffe8345c8c45f12aec5089814a..5b0e10201938bae407245243ce598b1c51368c09 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-36.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-36.yaml
@@ -41,17 +41,19 @@ graphene-36:
       management: false
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:b9
+      guid: '0x0002c903000b92b9'
       interface: InfiniBand
       ip: 172.18.64.36
       ip6: fe80::202:c903:b:92b9
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:b9
       management: false
       rate: 20000000000
       version: MT26418
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:ba
+      guid: '0x0002c903000b92ba'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:ba
       management: false
       rate: 10000000000
       version: MT26418
@@ -77,9 +79,9 @@ graphene-36:
     version: X3440
   storage_devices:
     sda:
+      by_id: node-was-not-available-to-retrieve-this-value
       model: Hitachi HDS72103
       rev: A3EA
       size: 320072933376
-      by_id: node-was-not-available-to-retrieve-this-value
   supported_job_types:
     virtual: ivt
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-37.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-37.yaml
index 30108843a42ee9480e537d711df12845b4a6b891..edd7d7da4dbf896c330349b3625c3683458e0c2d 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-37.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-37.yaml
@@ -52,17 +52,19 @@ graphene-37:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:c5
+      guid: '0x0002c903000b92c5'
       interface: InfiniBand
       ip: 172.18.64.37
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:c5
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:c6
+      guid: '0x0002c903000b92c6'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:c6
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-38.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-38.yaml
index cc9cb3c27e16a35c9d5b8c05ba51b3474807e5a6..350f8f9e5a5ddde75e2908a10ea79233c1e7ba2a 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-38.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-38.yaml
@@ -52,17 +52,19 @@ graphene-38:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:b1
+      guid: '0x0002c903000b92b1'
       interface: InfiniBand
       ip: 172.18.64.38
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:b1
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:b2
+      guid: '0x0002c903000b92b2'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:b2
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-39.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-39.yaml
index 36d27790847e540d3a3080e5c88f1599ea5d30df..0ac226be03b13a7c538559d8c6aa36f8afe2c065 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-39.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-39.yaml
@@ -52,16 +52,18 @@ graphene-39:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:c1
+      guid: '0x0002c903000b92c1'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:c1
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:c2
+      guid: '0x0002c903000b92c2'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:c2
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-4.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-4.yaml
index b3ce04a9436bf35b59e70f1ea9843052ab8e007a..6e5a938c4463d7944e28a5c8c3db9cdef512eb1f 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-4.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-4.yaml
@@ -52,17 +52,19 @@ graphene-4:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:bd
+      guid: '0x0002c903000b92bd'
       interface: InfiniBand
       ip: 172.18.64.4
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:bd
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:be
+      guid: '0x0002c903000b92be'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:be
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-40.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-40.yaml
index bf6311ce304784c1fe565f8036e64d82fc692667..e35319363b2c3067246643898938652a1d7c8b0f 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-40.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-40.yaml
@@ -37,17 +37,19 @@ graphene-40:
       management: false
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:cd
+      guid: '0x0002c903000b93cd'
       interface: InfiniBand
       ip: 172.18.64.40
       ip6: fe80::202:c903:b:93cd
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:cd
       management: false
       rate: 20000000000
       version: MT26418
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:ce
+      guid: '0x0002c903000b93ce'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:ce
       management: false
       rate: 10000000000
       version: MT26418
@@ -73,9 +75,9 @@ graphene-40:
     version: X3440
   storage_devices:
     sda:
+      by_id: node-was-not-available-to-retrieve-this-value
       model: Hitachi HDS72103
       rev: A3EA
       size: 320072933376
-      by_id: node-was-not-available-to-retrieve-this-value
   supported_job_types:
     virtual: ivt
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-41.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-41.yaml
index a3cdba45a24a8ed26d4af4bcdfdeb7543513f391..ccb8c796279853b3cb056120d178e10747e9d908 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-41.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-41.yaml
@@ -52,17 +52,19 @@ graphene-41:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:99
+      guid: '0x0002c903000b9299'
       interface: InfiniBand
       ip: 172.18.64.41
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:99
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:9a
+      guid: '0x0002c903000b929a'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:9a
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-42.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-42.yaml
index 882133659c02c47170f33cabf312edc856197642..f6277bd297114a73f899d53e8158bcaef8e1c1ec 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-42.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-42.yaml
@@ -52,17 +52,19 @@ graphene-42:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:a9
+      guid: '0x0002c903000b92a9'
       interface: InfiniBand
       ip: 172.18.64.42
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:a9
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:aa
+      guid: '0x0002c903000b92aa'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:aa
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-43.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-43.yaml
index 9a4b8f48d26222e9696886bbef4b2d92b25261b8..6739065c0eb51ad918a7b2a4452774b966591f3b 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-43.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-43.yaml
@@ -52,17 +52,19 @@ graphene-43:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:ad
+      guid: '0x0002c903000b92ad'
       interface: InfiniBand
       ip: 172.18.64.43
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:ad
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:ae
+      guid: '0x0002c903000b92ae'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:ae
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-44.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-44.yaml
index ed138f1bdeb775ddb2a5f95cb8f37da0edd88dae..2ec832ee3ae1216bbc554ae7e23f89ac3fddd44b 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-44.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-44.yaml
@@ -52,17 +52,19 @@ graphene-44:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:b5
+      guid: '0x0002c903000b92b5'
       interface: InfiniBand
       ip: 172.18.64.44
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:b5
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:b6
+      guid: '0x0002c903000b92b6'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:b6
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-45.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-45.yaml
index 15011e909f0e90d7bce9eab6c00704f8d0c92259..373abb79920da2cafab854841319aa787d53aca5 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-45.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-45.yaml
@@ -52,17 +52,19 @@ graphene-45:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:21
+      guid: '0x0002c903000b9321'
       interface: InfiniBand
       ip: 172.18.64.45
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:21
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:22
+      guid: '0x0002c903000b9322'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:22
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-46.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-46.yaml
index 2dddd1b6904770b6dbefde07cd1b81d49d5001d9..07d25f9445d0cc99d634297bbe47200f45054491 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-46.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-46.yaml
@@ -52,17 +52,19 @@ graphene-46:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:d5
+      guid: '0x0002c903000b93d5'
       interface: InfiniBand
       ip: 172.18.64.46
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:d5
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:d6
+      guid: '0x0002c903000b93d6'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:d6
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-47.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-47.yaml
index ddd2a19031c2bba8ff01a49a947e6f6e396af284..7d25aa51c2bfcaaf85a34172514618dac6939696 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-47.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-47.yaml
@@ -52,17 +52,19 @@ graphene-47:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:e5
+      guid: '0x0002c903000b93e5'
       interface: InfiniBand
       ip: 172.18.64.47
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:e5
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:e6
+      guid: '0x0002c903000b93e6'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:e6
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-48.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-48.yaml
index 7eade962fc0ea20fed5d1099b5a0ef35c7449467..0e04420ed63c78cc076c0fa10b44221d5af67b5b 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-48.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-48.yaml
@@ -52,17 +52,19 @@ graphene-48:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:dd
+      guid: '0x0002c903000b93dd'
       interface: InfiniBand
       ip: 172.18.64.48
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:dd
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:de
+      guid: '0x0002c903000b93de'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:de
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-49.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-49.yaml
index 3aed7c008a0210f143e23c9625c9e3be1cab7c50..3cf358cbf243e183c1b5a7f8cba9a7a8cc8ff823 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-49.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-49.yaml
@@ -52,17 +52,19 @@ graphene-49:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:d1
+      guid: '0x0002c903000b93d1'
       interface: InfiniBand
       ip: 172.18.64.49
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:d1
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:d2
+      guid: '0x0002c903000b93d2'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:d2
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-5.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-5.yaml
index 09ee7593aa43c8f25098042ea2508384ecf25773..52ab089b5c120093cabd9145d4d9efcf61badb84 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-5.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-5.yaml
@@ -52,17 +52,19 @@ graphene-5:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:79
+      guid: '0x0002c903000b9179'
       interface: InfiniBand
       ip: 172.18.64.5
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:79
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:7a
+      guid: '0x0002c903000b917a'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:7a
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-50.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-50.yaml
index 041c7c8149db7f48dd0a33ccf45d0d08a2182448..4442f862f90adcab79664a8fb357b4bb5586076d 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-50.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-50.yaml
@@ -52,17 +52,19 @@ graphene-50:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:f1
+      guid: '0x0002c903000b92f1'
       interface: InfiniBand
       ip: 172.18.64.50
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:f1
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:f2
+      guid: '0x0002c903000b92f2'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:f2
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-51.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-51.yaml
index c4ca625ef1dcd1066cfcb7e93dcec17a1eb1adfa..bd334f28c369915d45d28ac6049d4055bce31963 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-51.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-51.yaml
@@ -52,17 +52,19 @@ graphene-51:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:e9
+      guid: '0x0002c903000b92e9'
       interface: InfiniBand
       ip: 172.18.64.51
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:e9
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:ea
+      guid: '0x0002c903000b92ea'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:ea
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-52.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-52.yaml
index 8de8d383f4e21fa96193dbe7b8608967f57999bd..4a1a07ae688767f4cf7c6d3a7cf7e63c4806ee71 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-52.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-52.yaml
@@ -52,17 +52,19 @@ graphene-52:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:f9
+      guid: '0x0002c903000b92f9'
       interface: InfiniBand
       ip: 172.18.64.52
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:f9
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:fa
+      guid: '0x0002c903000b92fa'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:fa
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-53.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-53.yaml
index ed4bbad64a02615f610a3e2c1209b9ec06290dcf..d4ed9813874674033112a9a4e05c1008e985c185 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-53.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-53.yaml
@@ -52,17 +52,19 @@ graphene-53:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:09
+      guid: '0x0002c903000b9309'
       interface: InfiniBand
       ip: 172.18.64.53
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:09
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:0a
+      guid: '0x0002c903000b930a'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:0a
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-54.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-54.yaml
index a00519914bb2a49414758ff8721298123a2a2602..ae59be2dbff3003f93fd4b03646f5be1d1872fdc 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-54.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-54.yaml
@@ -52,17 +52,19 @@ graphene-54:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:15
+      guid: '0x0002c903000b9315'
       interface: InfiniBand
       ip: 172.18.64.54
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:15
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:16
+      guid: '0x0002c903000b9316'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:16
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-55.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-55.yaml
index a578bf6333b1b2fca5b9063eda3c6342e08f967d..2a5ddc93a1ba37115ba8833e60f8b3698c12b8de 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-55.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-55.yaml
@@ -52,17 +52,19 @@ graphene-55:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:0d
+      guid: '0x0002c903000b930d'
       interface: InfiniBand
       ip: 172.18.64.55
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:0d
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:0e
+      guid: '0x0002c903000b930e'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:0e
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-56.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-56.yaml
index 30566026b457ccf2d214ee37cef8a12cdd290a10..a6806c33e86dc5c8cd4374ca0d600b1967735272 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-56.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-56.yaml
@@ -41,17 +41,19 @@ graphene-56:
       management: false
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:89
+      guid: '0x0002c903000b9189'
       interface: InfiniBand
       ip: 172.18.64.56
       ip6: fe80::202:c903:b:9189
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:89
       management: false
       rate: 20000000000
       version: MT26418
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:8a
+      guid: '0x0002c903000b918a'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:8a
       management: false
       rate: 10000000000
       version: MT26418
@@ -77,9 +79,9 @@ graphene-56:
     version: X3440
   storage_devices:
     sda:
+      by_id: node-was-not-available-to-retrieve-this-value
       model: Hitachi HDS72103
       rev: A3EA
       size: 320072933376
-      by_id: node-was-not-available-to-retrieve-this-value
   supported_job_types:
     virtual: ivt
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-57.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-57.yaml
index 96938a07a34168d3972c749d9f61c2a273b8e635..a3b6dcd0f792348aa450dc4932119823d60fdbd6 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-57.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-57.yaml
@@ -52,17 +52,19 @@ graphene-57:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:8d
+      guid: '0x0002c903000b918d'
       interface: InfiniBand
       ip: 172.18.64.57
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:8d
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:8e
+      guid: '0x0002c903000b918e'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:8e
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-58.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-58.yaml
index e83f6953dc7f12810af73167d837033845af2ae3..eb4036d28c56d25e06a1d3507b8fa0d15669c193 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-58.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-58.yaml
@@ -52,17 +52,19 @@ graphene-58:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:9d
+      guid: '0x0002c903000b919d'
       interface: InfiniBand
       ip: 172.18.64.58
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:9d
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:9e
+      guid: '0x0002c903000b919e'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:9e
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-59.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-59.yaml
index 56ee5234efc36a036ebc928b93d11f869daa745e..8ce927b1e963c231c4091f088dc3e325d1307ed1 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-59.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-59.yaml
@@ -52,17 +52,19 @@ graphene-59:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:95
+      guid: '0x0002c903000b9195'
       interface: InfiniBand
       ip: 172.18.64.59
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:95
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:96
+      guid: '0x0002c903000b9196'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:96
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-6.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-6.yaml
index 0aaea6a6977ba1d004a88a283d425e5e3dfd49d2..3f9f5865cf1bd133d065613ba572b53401d1b28f 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-6.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-6.yaml
@@ -52,17 +52,19 @@ graphene-6:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:7d
+      guid: '0x0002c903000b917d'
       interface: InfiniBand
       ip: 172.18.64.6
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:7d
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:7e
+      guid: '0x0002c903000b917e'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:7e
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-60.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-60.yaml
index 7e54d8d1970c390d814ba41f174743b51afdbc3e..aa1241a0df1c1ebfdb74c615d451e53b5b350cf8 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-60.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-60.yaml
@@ -52,17 +52,19 @@ graphene-60:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:85
+      guid: '0x0002c903000b9185'
       interface: InfiniBand
       ip: 172.18.64.60
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:85
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:86
+      guid: '0x0002c903000b9186'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:86
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-61.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-61.yaml
index 6f289ba1454ea990e3f8d3f40cb8e4cc5cea656b..b71e2f55fd5d05babac93975744297babbcbbb82 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-61.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-61.yaml
@@ -52,17 +52,19 @@ graphene-61:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:91
+      guid: '0x0002c903000b9191'
       interface: InfiniBand
       ip: 172.18.64.61
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:91
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:92
+      guid: '0x0002c903000b9192'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:92
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-62.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-62.yaml
index ddbfc5a25f7efd9c39323b847b647778660336b8..522dba575dbc99b86d79fa7b3e85426dbedb299b 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-62.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-62.yaml
@@ -52,17 +52,19 @@ graphene-62:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:99
+      guid: '0x0002c903000b9199'
       interface: InfiniBand
       ip: 172.18.64.62
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:99
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:9a
+      guid: '0x0002c903000b919a'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:9a
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-63.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-63.yaml
index 557d61921339c70853cc02f8779c2a38e974633d..425b7d2685457fac62f498a8629fd70ed0c7c849 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-63.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-63.yaml
@@ -52,17 +52,19 @@ graphene-63:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:81
+      guid: '0x0002c903000b9181'
       interface: InfiniBand
       ip: 172.18.64.63
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:81
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:82
+      guid: '0x0002c903000b9182'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:82
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-64.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-64.yaml
index 377e457f29c5b53cfdccac9df950605990ea251d..892ba214512e10a46afa0d9eb694c00f54d4aa41 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-64.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-64.yaml
@@ -52,17 +52,19 @@ graphene-64:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:a1
+      guid: '0x0002c903000b92a1'
       interface: InfiniBand
       ip: 172.18.64.64
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:a1
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:a2
+      guid: '0x0002c903000b92a2'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:a2
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-65.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-65.yaml
index e99fca63f987c358fce7722bc95a13737c910cdf..2ccf28a021b7a78c7b8d639ac255bb0e00efd7e6 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-65.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-65.yaml
@@ -52,17 +52,19 @@ graphene-65:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:d9
+      guid: '0x0002c903000b93d9'
       interface: InfiniBand
       ip: 172.18.64.65
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:d9
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:da
+      guid: '0x0002c903000b93da'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:da
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-66.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-66.yaml
index 44e76ae0306c432b8f3ddde5641d6719bbc0a3ae..8597a2e10e1414dec6964b554f30e0411febf735 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-66.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-66.yaml
@@ -52,17 +52,19 @@ graphene-66:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:49
+      guid: '0x0002c903000b9149'
       interface: InfiniBand
       ip: 172.18.64.66
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:49
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:4a
+      guid: '0x0002c903000b914a'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:4a
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-67.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-67.yaml
index 7b1a7148cd436323fa9eff3755bf2a0fc321bdf6..c1be9e3e54c2a439206508c5c2c78aae3065cc92 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-67.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-67.yaml
@@ -52,17 +52,19 @@ graphene-67:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:b9
+      guid: '0x0002c903000b93b9'
       interface: InfiniBand
       ip: 172.18.64.67
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:b9
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:ba
+      guid: '0x0002c903000b93ba'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:ba
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-68.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-68.yaml
index 2ec5cf3116fc0a4bc006dfeb01f2f89893223422..97ea103504ec8f0fc9cb8f828ab9456ab339f50c 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-68.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-68.yaml
@@ -52,17 +52,19 @@ graphene-68:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:91
+      guid: '0x0002c903000b9291'
       interface: InfiniBand
       ip: 172.18.64.68
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:91
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:92
+      guid: '0x0002c903000b9292'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:92
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-69.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-69.yaml
index d43eee0378a414b832c48130d15237abb094178a..4656884fdeac50f820ffe270acc7ab7d3243a932 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-69.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-69.yaml
@@ -52,17 +52,19 @@ graphene-69:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:c1
+      guid: '0x0002c903000b93c1'
       interface: InfiniBand
       ip: 172.18.64.69
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:c1
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:c2
+      guid: '0x0002c903000b93c2'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:c2
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-7.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-7.yaml
index 3df2352b9adad682dbe1410928e8685ef3b21f9c..26b82c85ab0f1ef442029c15a03ed180aa7e3a06 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-7.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-7.yaml
@@ -52,17 +52,19 @@ graphene-7:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:61
+      guid: '0x0002c903000b9161'
       interface: InfiniBand
       ip: 172.18.64.7
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:61
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:62
+      guid: '0x0002c903000b9162'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:62
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-70.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-70.yaml
index 15cff5622aa7e1a760c68397ec3793c645b9577b..1b547ce0141db87c5e92695b6ad0586d0d6e6531 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-70.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-70.yaml
@@ -52,17 +52,19 @@ graphene-70:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:11
+      guid: '0x0002c903000b9311'
       interface: InfiniBand
       ip: 172.18.64.70
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:11
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:12
+      guid: '0x0002c903000b9312'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:12
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-71.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-71.yaml
index b98ea47ad97608cb5a77a0a1a26e334915a79242..1e32cb8a3aba587ec56c9d916e89a0702165e07f 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-71.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-71.yaml
@@ -52,17 +52,19 @@ graphene-71:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:ed
+      guid: '0x0002c903000b92ed'
       interface: InfiniBand
       ip: 172.18.64.71
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:ed
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:ee
+      guid: '0x0002c903000b92ee'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:ee
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-72.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-72.yaml
index 4e0b2158fa40a6f479b08cd2701233906d41a3c8..5d46546b76ab64dcb1e0f825e8801634047b91c1 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-72.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-72.yaml
@@ -52,17 +52,19 @@ graphene-72:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:95
+      guid: '0x0002c903000b9295'
       interface: InfiniBand
       ip: 172.18.64.72
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:95
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:96
+      guid: '0x0002c903000b9296'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:96
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-73.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-73.yaml
index 4a92aecbd65107bc86cd83da58f382154d236701..56053d353b3be1672e7db75242ba18b8d4beccb7 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-73.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-73.yaml
@@ -52,17 +52,19 @@ graphene-73:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:fd
+      guid: '0x0002c903000b92fd'
       interface: InfiniBand
       ip: 172.18.64.73
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:fd
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:fe
+      guid: '0x0002c903000b92fe'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:fe
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-74.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-74.yaml
index 2fd8f38bb48a7bfb085cd6f566c5839b51630d0c..709792d139d70308085039a3c8930779dbe3289e 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-74.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-74.yaml
@@ -52,17 +52,19 @@ graphene-74:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:dd
+      guid: '0x0002c903000b92dd'
       interface: InfiniBand
       ip: 172.18.64.74
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:dd
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:de
+      guid: '0x0002c903000b92de'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:de
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-75.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-75.yaml
index 009c03fca8e07fa56923bf93a4eaaa6b090d2b45..16038cacbdddc4e7d56865578fad6ee58d262f97 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-75.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-75.yaml
@@ -52,17 +52,19 @@ graphene-75:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:e5
+      guid: '0x0002c903000b92e5'
       interface: InfiniBand
       ip: 172.18.64.75
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:e5
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:e6
+      guid: '0x0002c903000b92e6'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:e6
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-76.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-76.yaml
index ab756990cf251561d370f84720d889dbfba20862..7dd5ed845b9223c332cb20215533d542d4164e60 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-76.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-76.yaml
@@ -52,17 +52,19 @@ graphene-76:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:d5
+      guid: '0x0002c903000b92d5'
       interface: InfiniBand
       ip: 172.18.64.76
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:d5
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:d6
+      guid: '0x0002c903000b92d6'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:d6
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-77.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-77.yaml
index fbe89250b1ed7d4cc2e2564199b3f8f7c419fe5e..8a46fd95b97a3cba163d7f0562508028043b62d6 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-77.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-77.yaml
@@ -52,17 +52,19 @@ graphene-77:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:e1
+      guid: '0x0002c903000b92e1'
       interface: InfiniBand
       ip: 172.18.64.77
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:e1
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:e2
+      guid: '0x0002c903000b92e2'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:e2
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-78.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-78.yaml
index b8538124dfa67b3f8ebefc59ad8c2540ff78513f..fdedd983af88ae15661a0d0f54bf2f5868682d91 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-78.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-78.yaml
@@ -52,17 +52,19 @@ graphene-78:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:01
+      guid: '0x0002c903000b9301'
       interface: InfiniBand
       ip: 172.18.64.78
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:01
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:02
+      guid: '0x0002c903000b9302'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:02
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-79.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-79.yaml
index 438be08fb25e6049784b18ce192049c0154ad1dd..1815ed5aa931417f345d0c86b4d82ab633e2e4e5 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-79.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-79.yaml
@@ -52,17 +52,19 @@ graphene-79:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:f5
+      guid: '0x0002c903000b92f5'
       interface: InfiniBand
       ip: 172.18.64.79
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:f5
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:f6
+      guid: '0x0002c903000b92f6'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:f6
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-8.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-8.yaml
index f05853fc4867282c1b71e6466c20590e04ad6226..da64c00663501d82a0b820168af1f4399a6efdba 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-8.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-8.yaml
@@ -52,17 +52,19 @@ graphene-8:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:75
+      guid: '0x0002c903000b9175'
       interface: InfiniBand
       ip: 172.18.64.8
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:75
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:76
+      guid: '0x0002c903000b9176'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:76
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-80.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-80.yaml
index 7284e9f08127b43564e87f0c5340d59a194086e7..a2f55d8416f0523ceb136274ece1394dfa6c3a52 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-80.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-80.yaml
@@ -52,17 +52,19 @@ graphene-80:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:d1
+      guid: '0x0002c903000b92d1'
       interface: InfiniBand
       ip: 172.18.64.80
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:d1
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:d2
+      guid: '0x0002c903000b92d2'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:92:d2
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-81.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-81.yaml
index d26e74a297e824d797df9a769c63162347e94663..aaf716d7ddfe34da6047e006890ebb59cb703a1b 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-81.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-81.yaml
@@ -52,17 +52,19 @@ graphene-81:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:a9
+      guid: '0x0002c903000b93a9'
       interface: InfiniBand
       ip: 172.18.64.81
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:a9
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:aa
+      guid: '0x0002c903000b93aa'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:aa
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-82.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-82.yaml
index d766569d851e8f4a3834dd88e15f1d631c5576c3..9f16d5aefdb7bb646c8584b54465e7e9de329baf 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-82.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-82.yaml
@@ -52,17 +52,19 @@ graphene-82:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:95
+      guid: '0x0002c903000b9395'
       interface: InfiniBand
       ip: 172.18.64.82
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:95
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:96
+      guid: '0x0002c903000b9396'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:96
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-83.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-83.yaml
index 85c5680d674caf233704dced3ba2c26291f85966..c6d8e02151717a573264f8fc7bd09c15949265fb 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-83.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-83.yaml
@@ -40,17 +40,19 @@ graphene-83:
       management: false
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:a5
+      guid: '0x0002c903000b93a5'
       interface: InfiniBand
       ip: 172.18.64.83
       ip6: fe80::202:c903:b:93a5
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:a5
       management: false
       rate: 20000000000
       version: MT26418
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:a6
+      guid: '0x0002c903000b93a6'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:a6
       management: false
       rate: 10000000000
       version: MT26418
@@ -76,10 +78,10 @@ graphene-83:
     version: X3440
   storage_devices:
     sda:
+      by_id: node-was-not-available-to-retrieve-this-value
       model: Hitachi HDS72103
       rev: JPFOA3EA
       size: 320072933376
       vendor: Hitachi
-      by_id: node-was-not-available-to-retrieve-this-value
   supported_job_types:
     virtual: ivt
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-84.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-84.yaml
index dc4923399ebc96fa112b49ddf53f7878239780aa..771b55a056937f7b7ab782e0e75bf27881b6e770 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-84.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-84.yaml
@@ -52,17 +52,19 @@ graphene-84:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:9d
+      guid: '0x0002c903000b939d'
       interface: InfiniBand
       ip: 172.18.64.84
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:9d
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:9e
+      guid: '0x0002c903000b939e'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:9e
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-85.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-85.yaml
index 3504752abafaeaf1eb94485fb20bb423312f7634..f097b0c4eafcf1ca31d354a96de7da51b71060e4 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-85.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-85.yaml
@@ -52,17 +52,19 @@ graphene-85:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:99
+      guid: '0x0002c903000b9399'
       interface: InfiniBand
       ip: 172.18.64.85
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:99
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:9a
+      guid: '0x0002c903000b939a'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:9a
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-86.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-86.yaml
index c4fec3d7ac1e9b63a9320f58464101aeb24b1b0b..21993d686d3850b99bdd1a3607c702a80f7e5f69 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-86.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-86.yaml
@@ -43,18 +43,20 @@ graphene-86:
       mounted: false
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:a1
+      guid: '0x0002c903000b93a1'
       interface: InfiniBand
       ip: 172.18.64.86
       ip6: fe80::202:c903:b:93a1
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:a1
       management: false
       mounted: true
       rate: 20000000000
       version: MT26418
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:a2
+      guid: '0x0002c903000b93a2'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:a2
       management: false
       mounted: false
       rate: 10000000000
@@ -81,10 +83,10 @@ graphene-86:
     version: X3440
   storage_devices:
     sda:
+      by_id: node-was-not-available-to-retrieve-this-value
       model: Hitachi HDS72103
       rev: JPFOA3EA
       size: 320072933376
       vendor: Hitachi
-      by_id: node-was-not-available-to-retrieve-this-value
   supported_job_types:
     virtual: ivt
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-87.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-87.yaml
index ca722c86df16c4d853c5082c6de3a3b5ab2da674..8b122f186a5bda8b41d752fa0e9a27b4e1c21531 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-87.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-87.yaml
@@ -52,17 +52,19 @@ graphene-87:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:ad
+      guid: '0x0002c903000b93ad'
       interface: InfiniBand
       ip: 172.18.64.87
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:ad
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:ae
+      guid: '0x0002c903000b93ae'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:ae
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-88.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-88.yaml
index 2f5996c20c6491e307a24720a8f1d3a554146a4b..fc3d12fe42c4596c51a02e0f8ae2914add218cf1 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-88.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-88.yaml
@@ -52,17 +52,19 @@ graphene-88:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:b1
+      guid: '0x0002c903000b93b1'
       interface: InfiniBand
       ip: 172.18.64.88
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:b1
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:b2
+      guid: '0x0002c903000b93b2'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:93:b2
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-89.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-89.yaml
index 9ab9bf6720c8a3bf3814fbe5b4d005bbf87a9d72..b8b7aadd925c410daf1fae5f4b785180d4a858bd 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-89.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-89.yaml
@@ -52,17 +52,19 @@ graphene-89:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:ed
+      guid: '0x0002c903000b5ced'
       interface: InfiniBand
       ip: 172.18.64.89
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:ed
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:ee
+      guid: '0x0002c903000b5cee'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:ee
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-9.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-9.yaml
index 62f38d4f70a591ee5164b0b42635b2266f0ed378..58a89d5f4f3fd72b2a25e7f04ba498fd6edfa163 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-9.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-9.yaml
@@ -52,17 +52,19 @@ graphene-9:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:69
+      guid: '0x0002c903000b9169'
       interface: InfiniBand
       ip: 172.18.64.9
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:69
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:6a
+      guid: '0x0002c903000b916a'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:91:6a
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-90.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-90.yaml
index f49726ebdea1e1a84af4524a253ba5cae1aab64e..b95e7d79680042bdc7e4c7a6e395d50b6589caab 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-90.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-90.yaml
@@ -52,17 +52,19 @@ graphene-90:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:09
+      guid: '0x0002c903000b5d09'
       interface: InfiniBand
       ip: 172.18.64.90
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:09
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:0a
+      guid: '0x0002c903000b5d0a'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5d:0a
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-91.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-91.yaml
index a53b935f022ca721625d291121cb03b34d39000b..84078bf0ff4cfb088e4917f7b1ea738e367d1de3 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-91.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-91.yaml
@@ -52,17 +52,19 @@ graphene-91:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:d1
+      guid: '0x0002c903000b5cd1'
       interface: InfiniBand
       ip: 172.18.64.91
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:d1
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:d2
+      guid: '0x0002c903000b5cd2'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:d2
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-92.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-92.yaml
index efee9e316696a8e253b3ae483d566243a73b9587..5e5893063c5cf8560e641dbfdaf022f8178bca6b 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-92.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-92.yaml
@@ -52,17 +52,19 @@ graphene-92:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:e5
+      guid: '0x0002c903000b5ce5'
       interface: InfiniBand
       ip: 172.18.64.92
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:e5
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:e6
+      guid: '0x0002c903000b5ce6'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:e6
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-93.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-93.yaml
index 214bd0c9b59a54cdfaf629dbf99bef5be325e063..9c9f51c986591b447478f220eb53c2ed933a5929 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-93.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-93.yaml
@@ -52,17 +52,19 @@ graphene-93:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:ad
+      guid: '0x0002c903000b5ead'
       interface: InfiniBand
       ip: 172.18.64.93
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:ad
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:ae
+      guid: '0x0002c903000b5eae'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:ae
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-94.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-94.yaml
index f64cd0e576dc2df5f274b4772c6148b0ba8a9365..a419e84fe88935ab304730d2778bab9a7479aaac 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-94.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-94.yaml
@@ -41,17 +41,19 @@ graphene-94:
       management: false
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:95
+      guid: '0x0002c903000b5c95'
       interface: InfiniBand
       ip: 172.18.64.94
       ip6: fe80::202:c903:b:5c95
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:95
       management: false
       rate: 20000000000
       version: MT26418
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:96
+      guid: '0x0002c903000b5c96'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5c:96
       management: false
       rate: 10000000000
       version: MT26418
@@ -77,10 +79,10 @@ graphene-94:
     version: X3440
   storage_devices:
     sda:
+      by_id: node-was-not-available-to-retrieve-this-value
       model: Hitachi HDS72103
       rev: A3EA
       size: 320072933376
       vendor: Hitachi
-      by_id: node-was-not-available-to-retrieve-this-value
   supported_job_types:
     virtual: ivt
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-95.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-95.yaml
index 6fb1c6c8f2e7d8dbfd6f50e6918e9f70ceafdf44..51172eacf5132bc1ccfecf85932bfb9aa95e1fc1 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-95.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-95.yaml
@@ -52,17 +52,19 @@ graphene-95:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:95
+      guid: '0x0002c903000b5e95'
       interface: InfiniBand
       ip: 172.18.64.95
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:95
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:96
+      guid: '0x0002c903000b5e96'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:96
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-96.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-96.yaml
index d217b76ddd01b025dad8370a5cee770980dbffe9..d559890880655be76073ead2e379c60a11c8fe86 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-96.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-96.yaml
@@ -41,17 +41,19 @@ graphene-96:
       management: false
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:9d
+      guid: '0x0002c903000b5e9d'
       interface: InfiniBand
       ip: 172.18.64.96
       ip6: fe80::202:c903:b:5e9d
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:9d
       management: false
       rate: 20000000000
       version: MT26418
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:9e
+      guid: '0x0002c903000b5e9e'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:9e
       management: false
       rate: 10000000000
       version: MT26418
@@ -77,10 +79,10 @@ graphene-96:
     version: X3440
   storage_devices:
     sda:
+      by_id: node-was-not-available-to-retrieve-this-value
       model: Hitachi HDS72103
       rev: A3EA
       size: 320072933376
       vendor: Hitachi
-      by_id: node-was-not-available-to-retrieve-this-value
   supported_job_types:
     virtual: ivt
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-97.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-97.yaml
index ae67bb9e110e1385da685dd4f9994f422903504a..78f4f4050afbcef0743e5611e0b1e8c67624c39d 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-97.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-97.yaml
@@ -52,17 +52,19 @@ graphene-97:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:d5
+      guid: '0x0002c903000b5ed5'
       interface: InfiniBand
       ip: 172.18.64.97
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:d5
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:d6
+      guid: '0x0002c903000b5ed6'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:d6
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-98.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-98.yaml
index 87f805b699e11b02593398bc9f37325c7b3502a6..c860f4f227e0ea9a0280dd7902eeefaf6ac2e674 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-98.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-98.yaml
@@ -41,17 +41,19 @@ graphene-98:
       management: false
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:99
+      guid: '0x0002c903000b5e99'
       interface: InfiniBand
       ip: 172.18.64.98
       ip6: fe80::202:c903:b:5e99
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:99
       management: false
       rate: 20000000000
       version: MT26418
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:9a
+      guid: '0x0002c903000b5e9a'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:9a
       management: false
       rate: 10000000000
       version: MT26418
@@ -77,10 +79,10 @@ graphene-98:
     version: X3440
   storage_devices:
     sda:
+      by_id: node-was-not-available-to-retrieve-this-value
       model: Hitachi HDS72103
       rev: A3EA
       size: 320072933376
       vendor: Hitachi
-      by_id: node-was-not-available-to-retrieve-this-value
   supported_job_types:
     virtual: ivt
diff --git a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-99.yaml b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-99.yaml
index fa33219ab7e0d00ec7b244f96bee81edadd90fef..df0d5465bd8ade960ef7194b55265fac4c6b4456 100644
--- a/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-99.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphene/nodes/graphene-99.yaml
@@ -52,17 +52,19 @@ graphene-99:
       vendor: Intel
     ib0:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:b1
+      guid: '0x0002c903000b5eb1'
       interface: InfiniBand
       ip: 172.18.64.99
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:b1
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 20000000000
       vendor: Mellanox Technologies
     ib1:
       driver: mlx4_core
-      guid: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:b2
+      guid: '0x0002c903000b5eb2'
       interface: InfiniBand
+      mac: 20:00:55:00:41:80:00:00:00:00:00:00:00:02:c9:03:00:0b:5e:b2
       management: false
       model: MT26418 [ConnectX VPI PCIe 2.0 5GT/s - IB DDR / 10GigE]
       rate: 10000000000