fix

files/bridge-post-scripts/pre-down.sh.j2

@@ -28,7 +28,7 @@ handle_gateway() {
   fi
 
   ip rule del pref 100 fwmark "$GATEWAY_NEXT_HOP_MARK" lookup "$GATEWAY_NEXT_HOP_MARK"
-  ip rule add pref 400 fwmark "$GATEWAY_SELECTION_MARK" lookup "$GATEWAY_NEXT_HOP_MARK"
+  ip rule del pref 400 fwmark "$GATEWAY_SELECTION_MARK" lookup "$GATEWAY_NEXT_HOP_MARK"
   if [[ "$GATEWAY_NO_ORIGIN" == 0 ]]; then
     eth_origin -D "$BRIDGE_NAME" "$GATEWAY_ID" "$GATEWAY_ADDRESS" "$GATEWAY_MAC"
   fi