--- x/drivers/net/team/team.c
+++ y/drivers/net/team/team.c
@@ -2997,7 +2997,11 @@ static int team_device_event(struct noti
 	struct net_device *dev = netdev_notifier_info_to_dev(ptr);
 	struct team_port *port;
 
+	rcu_read_lock();
 	port = team_port_get_rtnl(dev);
+	if (port && port->index == -1)
+		port = NULL;
+	rcu_read_unlock();
 	if (!port)
 		return NOTIFY_DONE;