add interface

.gitignore

@@ -0,0 +1 @@
+/result*

flake.nix

@@ -322,6 +322,7 @@
                           check_rise = value.checkRise;
                           check_disabled = value.checkDisabled;
                           on_disabled = value.onDisabled;
+                          interface = value.interface;
                           ip_prefix = value.ipPrefix;
                           ip_check_disabled = value.ipCheckDisabled;
                         };