[gsanchietti]

Change format to better fix new my.nethesis.it UI.

Format change:

diff -u pre.json post.json 
--- pre.json	2026-10-23 07:49:26.150651345 +0000
+++ post.json	2026-10-23 07:45:21.612909462 +0000
@@ -3,7 +3,8 @@
     "type": "bridge",
     "name": "br-lan",
     "props": {
-      "role": "green",
+      "interface": "lan",
+      "zone": "lan",
       "ipaddr": "192.168.100.215",
       "netmask": "255.255.255.0",
       "gateway": null,
@@ -14,7 +15,8 @@
     "type": "ethernet",
     "name": "eth1",
     "props": {
-      "role": "red",
+      "interface": "wan",
+      "zone": "wan",
       "ipaddr": "192.168.122.49",
       "netmask": "255.255.255.0",
       "gateway": "192.168.122.1"
@@ -24,7 +26,8 @@
     "type": "ethernet",
     "name": "eth2",
     "props": {
-      "role": "green",
+      "interface": "lan2",
+      "zone": "lan",
       "ipaddr": "10.10.10.2",
       "netmask": "255.255.255.0",
       "gateway": null
@@ -34,7 +37,8 @@
     "type": "ethernet",
     "name": "eth3",
     "props": {
-      "role": "red",
+      "interface": "fiber",
+      "zone": "wan",
       "ipaddr": "10.10.0.133",
       "netmask": "255.255.255.0",
       "gateway": "10.10.0.1"