cable_guy: blacklist zerotier interfaces

Author: Williangalvani

core/services/cable_guy/api/manager.py

@@ -181,7 +181,7 @@ def is_valid_interface_name(self, interface_name: str, filter_wifi: bool = False
         Returns:
             bool: True if valid, False if not
         """
-        blacklist = ["lo", "ham.*", "docker.*", "veth.*"]
+        blacklist = ["lo", "ham.*", "docker.*", "veth.*", "zt.*"]
         if filter_wifi:
             wifi_interfaces = self._get_wifi_interfaces()
             blacklist += wifi_interfaces
@@ -888,6 +888,9 @@ def config_mismatch(self) -> Set[NetworkInterface]:
             if current_interface.name not in saved_interfaces:
                 logger.debug(f"Interface {current_interface.name} not in saved configuration, skipping")
                 continue
+            if not self.is_valid_interface_name(current_interface.name):
+                logger.debug(f"Interface {current_interface.name} is not valid, skipping config mismatch check")
+                continue
             saved_interface = saved_interfaces[current_interface.name]
 
             for saved_address in saved_interface.addresses: