[nancy/grat] Update mac address for eth0

data/grid5000/sites/nancy/clusters/grat/nodes/grat-1.json

@@ -201,7 +201,7 @@
       "ip": "172.16.69.11",
       "ip6": "2001:660:4406:500:6::b",
       "kavlan": false,
-      "mac": "88:e9:a4:58:c1:30",
+      "mac": "88:e9:a4:91:0d:42",
       "management": false,
       "model": "MT27800 Family [ConnectX-5]",
       "mountable": true,
@@ -222,7 +222,7 @@
       "firmware_version": "16.31.1014 (MT_0000000416)",
       "interface": "Ethernet",
       "kavlan": false,
-      "mac": "88:e9:a4:58:c1:31",
+      "mac": "88:e9:a4:91:0d:43",
       "management": false,
       "model": "MT27800 Family [ConnectX-5]",
       "mountable": false,

input/grid5000/sites/nancy/clusters/grat/nodes/grat-1.yaml

@@ -142,7 +142,7 @@ grat-1:
       firmware_version: 16.31.1014 (MT_0000000416)
       interface: Ethernet
       ip: 172.16.69.11
-      mac: 88:e9:a4:58:c1:30
+      mac: 88:e9:a4:91:0d:42
       management: false
       model: MT27800 Family [ConnectX-5]
       name: enp24s0f0
@@ -154,7 +154,7 @@ grat-1:
       driver: mlx5_core
       firmware_version: 16.31.1014 (MT_0000000416)
       interface: Ethernet
-      mac: 88:e9:a4:58:c1:31
+      mac: 88:e9:a4:91:0d:43
       management: false
       model: MT27800 Family [ConnectX-5]
       name: enp24s0f1