diff --git a/src/etc/inc/filter.inc b/src/etc/inc/filter.inc
index 01475b5e8..53b98cd3c 100644
--- a/src/etc/inc/filter.inc
+++ b/src/etc/inc/filter.inc
@@ -294,6 +294,9 @@ function filter_configure_sync($verbose = false, $flush_states = false, $load_al
         // we keep it here for now (historical reasons).
         $down_gateways = return_down_gateways();
         foreach (array("inet", "inet6") as $ipprotocol) {
+            if (!empty($down_gateways)) {
+                log_error(sprintf("Ignore down %s gateways : %s", $ipprotocol, implode(",", $down_gateways)));
+            }
             $default_gw = $fw->getGateways()->getDefaultGW($down_gateways, $ipprotocol);
             if ($default_gw !== null) {
                 system_default_route(