[admin] Rennes, add virtual servers

input/grid5000/sites/rennes/servers/virtual.yaml

@@ -152,3 +152,13 @@ rke0:
 rke1:
   kind: virtual
   network_adapters: {default: {ip: 172.16.111.203}}
+infra-k8s-master0:
+  kind: virtual
+  network_adapters:
+    default:
+      ip: 172.16.111.204
+infra-k8s-master1:
+  kind: virtual
+  network_adapters:
+    default:
+      ip: 172.16.111.205