[grenoble] Fix 25G SNMP pattern for monitoring

Author: jonglezb

data/grid5000/sites/grenoble/network_equipments/gw.json

@@ -416,13 +416,13 @@
         {
           "kind": "channel",
           "rate": 25000000000,
-          "snmp_name": "ethernet1/1/83:1",
+          "snmp_name": "ethernet1/1/83",
           "uid": "port-channel10"
         },
         {
           "kind": "channel",
           "rate": 25000000000,
-          "snmp_name": "ethernet1/1/84:1",
+          "snmp_name": "ethernet1/1/84",
           "uid": "port-channel10"
         },
         {

input/grid5000/sites/grenoble/networks/gw-grenoble.yaml

@@ -154,10 +154,12 @@ gw:
         83:
           uid: port-channel10
           kind: channel
+          snmp_pattern: "ethernet1/1/%PORT%"
           rate: 25000000000
         84:
           uid: port-channel10
           kind: channel
+          snmp_pattern: "ethernet1/1/%PORT%"
           rate: 25000000000
         85:
           uid: port-channel20