realize l2 bridge utilization in vhosts

incus.nix

@@ -5,7 +5,7 @@
   networking = {
     nftables.enable = true;
     firewall = {
-      trustedInterfaces = [ "incusbr1" ];
+      trustedInterfaces = [ "incusbr1" "incusbr2" ];
       filterForward = true;
 
       extraForwardRules = ''
@@ -23,6 +23,10 @@
           allowedTCPPorts = [ 53 ];
           allowedUDPPorts = [ 53 67 68 ];
         };
+        incusbr2 = {
+          allowedTCPPorts = [ 53 ];
+          allowedUDPPorts = [ 53 67 68 ];
+        };
       };