[uvb] fix ordering of fields in g5k-checks output

input/grid5000/sites/sophia/clusters/uvb/nodes/uvb-42.yaml

@@ -48,13 +48,13 @@ uvb-42:
       firmware_version: 2.9.1000
       guid: '0x0024e89097ffc629'
       interface: InfiniBand
+      ip: 172.18.132.42
       mac: 80:00:02:08:fe:80:00:00:00:00:00:00:00:24:e8:90:97:ff:c6:29
       management: false
       model: MT26428 [ConnectX VPI PCIe 2.0 5GT/s - IB QDR / 10GigE]
       name: ib0
       rate: 40000000000
       vendor: Mellanox Technologies
-      ip: 172.18.132.42
     ib1:
       driver: mlx4_core
       firmware_version: 2.9.1000

input/grid5000/sites/sophia/clusters/uvb/nodes/uvb-6.yaml

@@ -48,13 +48,13 @@ uvb-6:
       firmware_version: 2.9.1000
       guid: '0x0024e89097ffc615'
       interface: InfiniBand
+      ip: 172.18.132.6
       mac: 80:00:02:08:fe:80:00:00:00:00:00:00:00:24:e8:90:97:ff:c6:15
       management: false
       model: MT26428 [ConnectX VPI PCIe 2.0 5GT/s - IB QDR / 10GigE]
       name: ib0
       rate: 40000000000
       vendor: Mellanox Technologies
-      ip: 172.18.132.6
     ib1:
       driver: mlx4_core
       firmware_version: 2.9.1000

input/grid5000/sites/sophia/clusters/uvb/nodes/uvb-8.yaml

@@ -48,13 +48,13 @@ uvb-8:
       firmware_version: 2.9.1000
       guid: '0x0024e89097ffc669'
       interface: InfiniBand
+      ip: 172.18.132.8
       mac: 80:00:02:08:fe:80:00:00:00:00:00:00:00:24:e8:90:97:ff:c6:69
       management: false
       model: MT26428 [ConnectX VPI PCIe 2.0 5GT/s - IB QDR / 10GigE]
       name: ib0
       rate: 40000000000
       vendor: Mellanox Technologies
-      ip: 172.18.132.8
     ib1:
       driver: mlx4_core
       firmware_version: 2.9.1000