don't fail if zeroconf interface was shut down

oml/localnodes.py

@@ -139,7 +139,10 @@ class LocalNodes(dict):
         await asyncio.gather(*tasks)
 
     def on_service_state_change(self, zeroconf, service_type, name, state_change):
+        try:
             info = zeroconf.get_service_info(service_type, name)
+        except zeroconf._exceptions.NotRunningException:
+            return
         if info and b'id' in info.properties:
             id = info.properties[b'id'].decode()
             if id == settings.USER_ID: