diff --git a/backend/src/utilities/bridge_link_state_manager.py b/backend/src/utilities/bridge_link_state_manager.py
index 75fda07..9f4f6aa 100644
--- a/backend/src/utilities/bridge_link_state_manager.py
+++ b/backend/src/utilities/bridge_link_state_manager.py
@@ -485,6 +485,9 @@ class BridgeLinkStateWatcher:
         )
         with self._lock:
             for ifname in ifnames:
+                existing_deadline = self._config_change_deadlines.get(ifname, 0.0)
+                if existing_deadline > now:
+                    continue
                 self._config_change_deadlines[ifname] = now + holdoff
 
     def _config_transition_active(self, ifnames: list[str], now: float) -> bool: