Add a delay to any_changed_state mdns update

There is a bug with the router/appliance mode causing the upstream
connection to not have the mdns comitup service announcement. This is a
workaround to resolve that.

Author: davesteele

comitup/nmmon.py

@@ -12,6 +12,7 @@
 #
 
 import logging
+import time
 from functools import partial
 from typing import Callable, List, Optional
 
@@ -137,6 +138,8 @@ def any_changed_state(state: int, *args) -> None:
     from comitup import mdns
     from comitup.states import dns_names
 
+    time.sleep(1)
+
     interesting_states = PASS_STATES + FAIL_STATES
 
     def reset_mdns():