[rennes] Update virtual machines

data/grid5000/sites/rennes/servers/puppet.json → data/grid5000/sites/rennes/servers/puppet6.json

 {
+  "alias": [
+    "puppet"
+  ],
   "kind": "virtual",
   "network_adapters": {
     "default": {
@@ -6,5 +9,5 @@
     }
   },
   "type": "server",
-  "uid": "puppet"
+  "uid": "puppet6"
 }
\ No newline at end of file

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

@@ -18,8 +18,9 @@ nat:
   kind: virtual
   alias: [access]
   network_adapters: {default: {ip: 172.16.111.200}}
-puppet:
+puppet6:
   kind: virtual
+  alias: [puppet]
   network_adapters: {default: {ip: 172.16.111.105}}
 api-proxy:
   kind: virtual