diff --git a/modemmanager/files/etc/init.d/modemmanager b/modemmanager/files/etc/init.d/modemmanager
index 462fe2c40..44d2ebebc 100644
--- a/modemmanager/files/etc/init.d/modemmanager
+++ b/modemmanager/files/etc/init.d/modemmanager
@@ -32,5 +32,6 @@ start_service() {
 	procd_open_instance "monitor"
 	procd_set_param command /usr/sbin/ModemManager-monitor
 	procd_set_param respawn "${respawn_threshold:-3600}" "${respawn_timeout:-5}" "${respawn_retry:-5}"
+	procd_set_param nice "${nice:--10}"
 	procd_close_instance
 }
diff --git a/omr-tracker/files/bin/omr-tracker-server b/omr-tracker/files/bin/omr-tracker-server
index a69d9e9b1..3fe9d9e34 100755
--- a/omr-tracker/files/bin/omr-tracker-server
+++ b/omr-tracker/files/bin/omr-tracker-server
@@ -37,6 +37,30 @@ _ping_server() {
 	}
 }
 
+_ping_server_intf() {
+	local host=$1
+	local valid_ip6=$(valid_subnet6 "$host")
+	for intf in $(multipath 2>/dev/null | awk '/default/ {print $1}'); do
+		local k=0
+		while [ "$server_ping" = false ] && [ "$k" -le "$retry" ]; do
+			ret=$(ping \
+			    -w "$OMR_TRACKER_TIMEOUT" \
+			    -c 1 \
+			    -q \
+			    "${host}"
+			    -I "$intf" \
+			    "${host}"
+			)
+			echo "$ret" | grep -sq " 0% packet loss" && {
+				server_ping=true
+			}
+			k=$((k+1))
+			sleep "${intervaltries}"
+		done
+	done
+}
+
+
 _check_server() {
 	local host=$1
 	local port=$2
@@ -155,6 +179,9 @@ _check_master() {
 			#_ping_server $serverip
 			#_check_server $serverip $port
 			_check_server_intf $serverip $port
+			[ "$server_ping" = false ] && {
+				_ping_server_intf $serverip
+			}
 			[ "$server_ping" = true ] && {
 				oneserverup="1"
 			}
@@ -265,11 +292,11 @@ _check_master() {
 				config_foreach _get_server_name server "$ip"
 				[ -n "$servername" ] && config_foreach _disable_redir ss_redir "$servername" "shadowsocks-rust"
 
-				if [ -n "$(uci -q get openvpn.omr.remote | grep $ip)" ]; then
-					uci -q batch <<-EOF >/dev/null
-						del_list openvpn.omr.remote="$ip"
-					EOF
-				fi
+				#if [ -n "$(uci -q get openvpn.omr.remote | grep $ip)" ]; then
+				#	uci -q batch <<-EOF >/dev/null
+				#		del_list openvpn.omr.remote="$ip"
+				#	EOF
+				#fi
 
 
 				OMR_TRACKER_STATUS_MSG="No answer to ping and to API check"
@@ -350,6 +377,9 @@ _check_backup() {
 			#_ping_server $serverip
 			#_check_server $serverip $port
 			_check_server_intf $serverip $port
+			[ "$server_ping" = false ] && {
+				_ping_server_intf $serverip
+			}
 			[ "$server_ping" = true ] && {
 				oneserverup="1"
 			}
diff --git a/omr-tracker/files/usr/share/omr/post-tracking.d/003-up b/omr-tracker/files/usr/share/omr/post-tracking.d/003-up
index 27d6e6ea3..43938c8d8 100755
--- a/omr-tracker/files/usr/share/omr/post-tracking.d/003-up
+++ b/omr-tracker/files/usr/share/omr/post-tracking.d/003-up
@@ -744,7 +744,6 @@ interface_up=$(ifstatus "$OMR_TRACKER_INTERFACE" 2>/dev/null | jsonfilter -q -e
 if [ "$OMR_TRACKER_INTERFACE" = "glorytun" ] || [ "$OMR_TRACKER_INTERFACE" = "omrvpn" ] || [ "$OMR_TRACKER_INTERFACE" = "omr6in4" ]; then
 	if [ "$OMR_TRACKER_INTERFACE" = "omrvpn" ]; then
 		uci -q set openmptcprouter.omr.vpn='up'
-		uci -q commit openmptcprouter
 	fi
 	if [ "$(uci -q get openmptcprouter.settings.shadowsocksudp)" = "1" ] && [ "$(uci -q get shadowsocks-libev.sss0.disabled)" != "1" ] && [ -n "$(uci -q get shadowsocks-libev.sss0)" ] && [ "$(uci -q get shadowsocks-libev.ss_rules.redir_udp)" = "hi1" ]; then
 		_log "Tunnel up disable use of ShadowSocks for UDP"
@@ -808,8 +807,8 @@ if [ "$OMR_TRACKER_INTERFACE" = "glorytun" ] || [ "$OMR_TRACKER_INTERFACE" = "om
 		#else
 		#	uci -q set openmptcprouter.$OMR_TRACKER_INTERFACE.lc=$(date +"%s")
 		#fi
-		[ -n "$(uci -q changes openmptcprouter)" ] && uci -q commit openmptcprouter
 	fi
+	[ -n "$(uci -q changes openmptcprouter)" ] && uci -q commit openmptcprouter
 	nbserver=0
 	piholeenabled=0
 	config_load openmptcprouter
@@ -849,7 +848,6 @@ if [ "$OMR_TRACKER_PREV_STATUS" != "" ] && [ "$OMR_TRACKER_PREV_STATUS" != "$OMR
 fi
 if [ -n "$OMR_TRACKER_INTERFACE" ] && [ "$(uci -q get openmptcprouter.$OMR_TRACKER_INTERFACE.state)" != "up" ]; then
 	uci -q set openmptcprouter.$OMR_TRACKER_INTERFACE.state='up'
-	uci -q commit openmptcprouter
 	dns_flush
 fi
 
@@ -958,7 +956,7 @@ if [ "$multipath_config" = "master" ]; then
 		[ "$(pgrep -f openmptcprouter-vps)" = "" ] && {
 			/etc/init.d/openmptcprouter-vps restart >/dev/null 2>&1 &
 			uci -q set openmptcprouter.$OMR_TRACKER_INTERFACE.lc=$(date +"%s")
-			uci -q commit openmptcprouter.$OMR_TRACKER_INTERFACE
+			#uci -q commit openmptcprouter.$OMR_TRACKER_INTERFACE
 		}
 	fi
 	multipath_config="on"
@@ -1070,4 +1068,6 @@ if [ "$(sysctl -qen net.mptcp.mptcp_enabled | tr -d '\n')" = "1" ] || [ "$(sysct
 		fi
 	}
 fi
+[ -n "$(uci -q changes openmptcprouter)" ] && uci -q commit openmptcprouter
+
 #ubus call network reload