diff --git a/map-agent/files/etc/hotplug.d/ethernet/map-topology-discovery b/map-agent/files/etc/hotplug.d/ethernet/map-topology-discovery
index 4e83e36a5..da0d9ea7b 100755
--- a/map-agent/files/etc/hotplug.d/ethernet/map-topology-discovery
+++ b/map-agent/files/etc/hotplug.d/ethernet/map-topology-discovery
@@ -15,7 +15,7 @@ rc="$?"
 issue_discovery() {
 	local iface="$1"
 
-	res=$(ubus -t5 call ieee1905 buildcmdu "{\"type\":0, \"ifname\":\"${iface}\"}")
+	res=$(ubus -t5 call ieee1905 buildcmdu "{\"type\":0, \"ifname\":\"${iface}\"}") > /dev/null 2>&1
 	json_load "$res" > /dev/null 2>&1
 	json_get_var data data