--- x/net/core/link_watch.c
+++ y/net/core/link_watch.c
@@ -231,6 +231,8 @@ static void __linkwatch_run_queue(int ur
 		list_del_init(&dev->link_watch_list);
 
 		if (!netif_device_present(dev) ||
+		    dev->reg_state == NETREG_UNREGISTERING ||
+		    dev->reg_state == NETREG_UNREGISTERED  ||
 		    (urgent_only && !linkwatch_urgent_event(dev))) {
 			list_add_tail(&dev->link_watch_list, &lweventlist);
 			continue;