diff --git a/luci-app-mptcp/luasrc/controller/mptcp.lua b/luci-app-mptcp/luasrc/controller/mptcp.lua
index 842adc6ef7..98e07b4920 100755
--- a/luci-app-mptcp/luasrc/controller/mptcp.lua
+++ b/luci-app-mptcp/luasrc/controller/mptcp.lua
@@ -5,13 +5,17 @@
 
 module("luci.controller.mptcp", package.seeall)
 
+local uname = nixio.uname()
+
 function index()
 	entry({"admin", "network", "mptcp"}, alias("admin", "network", "mptcp", "settings"), _("MPTCP"))
 	entry({"admin", "network", "mptcp", "settings"}, cbi("mptcp"), _("Settings"),2).leaf = true
 	entry({"admin", "network", "mptcp", "bandwidth"}, template("mptcp/multipath"), _("Bandwidth"), 3).leaf = true
 	entry({"admin", "network", "mptcp", "multipath_bandwidth"}, call("multipath_bandwidth")).leaf = true
 	entry({"admin", "network", "mptcp", "interface_bandwidth"}, call("interface_bandwidth")).leaf = true
-	entry({"admin", "network", "mptcp", "mptcp_check"}, template("mptcp/mptcp_check"), _("MPTCP Support Check"), 4).leaf = true
+	if uname.release:sub(1,1) == "5" then
+		entry({"admin", "network", "mptcp", "mptcp_check"}, template("mptcp/mptcp_check"), _("MPTCP Support Check"), 4).leaf = true
+	end
 	entry({"admin", "network", "mptcp", "mptcp_check_trace"}, post("mptcp_check_trace")).leaf = true
 	entry({"admin", "network", "mptcp", "mptcp_fullmesh"}, template("mptcp/mptcp_fullmesh"), _("MPTCP Fullmesh"), 5).leaf = true
 	entry({"admin", "network", "mptcp", "mptcp_fullmesh_data"}, post("mptcp_fullmesh_data")).leaf = true
diff --git a/luci-app-mptcp/luasrc/model/cbi/mptcp.lua b/luci-app-mptcp/luasrc/model/cbi/mptcp.lua
index c4756ad653..ef54c14991 100755
--- a/luci-app-mptcp/luasrc/model/cbi/mptcp.lua
+++ b/luci-app-mptcp/luasrc/model/cbi/mptcp.lua
@@ -183,5 +183,8 @@ o:value("backup", translate("backup"))
 --o:value("handover", translate("handover"))
 o.default = "off"
 
+function m.on_after_apply(self,map)
+    sys.call('/etc/init.d/mptcp reload')
+end
 
 return m
diff --git a/mptcp/files/usr/share/omr/post-tracking.d/010-services b/mptcp/files/usr/share/omr/post-tracking.d/010-services
index 4268caa61a..4cc11015b1 100755
--- a/mptcp/files/usr/share/omr/post-tracking.d/010-services
+++ b/mptcp/files/usr/share/omr/post-tracking.d/010-services
@@ -134,6 +134,16 @@ restart_omrtracker() {
 config_load network
 config_foreach restart_omrtracker interface
 
+mutlipath_fix() {
+	config_get multipath "$1" multipath
+	[ "$multipath" != "off" ] && return
+	interface="$(ifstatus $1 | jsonfilter -q -e '@.l3_device' | tr -d '\n')"
+	[ -n "$interface"] && [ -z "$(multipath $interface | grep deactivated)" ] && /etc/init.d/mptcp reload $interface 2>&1 >/dev/null
+}
+
+config_load network
+config_foreach multipath_fix interface
+
 if [ -f /etc/init.d/shadowsocks-libev ] && [ "$(uci -q get shadowsocks-libev.sss0.disabled)" != "1" ] && [ "$(uci -q get shadowsocks-libev.sss0.key)" != "" ] && [ "$(uci -q get shadowsocks-libev.sss0.server)" != "" ] && [ "$(uci -q get shadowsocks-libev.sss0.server)" != "192.18.1.3" ] && [ "$(pgrep -f omr-tracker-ss)" = "" ] && [ "$(pgrep -f '/etc/init.d/omr-tracker')" = "" ]; then
 	_log "Can't find omr-tracker-ss for Shadowsocks libev, restart omr-tracker..."
 	/etc/init.d/omr-tracker restart 2>&1 >/dev/null
diff --git a/omr-tracker/files/bin/omr-tracker-server b/omr-tracker/files/bin/omr-tracker-server
index ef80e90865..fcab8b2d48 100755
--- a/omr-tracker/files/bin/omr-tracker-server
+++ b/omr-tracker/files/bin/omr-tracker-server
@@ -64,14 +64,16 @@ _check_master() {
 	config_get disabled $1 disabled
 	[ "$master" = "1" ] && [ -n "$ip" ] && [ "$disabled" != "1" ] && {
 		set_ip() {
-			local ip=$1
-			ipresolve="$(resolveip -4 $ip | head -n 1)"
+			local ipd=$1
+			local ip=""
+			ipresolve="$(resolveip -4 $ipd | head -n 1)"
 			if [ -n "$ipresolve" ]; then
 				ip="$ipresolve"
 			else
-				ip6resolve="$(resolveip -6 $ip | head -n 1)"
+				ip6resolve="$(resolveip -6 $ipd | head -n 1)"
 				[ -n "$ip6resolve" ] && ip="$ip6resolve"
 			fi
+			[ -z "$ip" ] && return
 			#_ping_server $ip
 			_check_server $ip $port
 			if [ "$server_ping" = true ]; then
diff --git a/openmptcprouter-api/files/usr/libexec/rpcd/openmptcprouter b/openmptcprouter-api/files/usr/libexec/rpcd/openmptcprouter
index 340fbf77c6..f28df60c15 100755
--- a/openmptcprouter-api/files/usr/libexec/rpcd/openmptcprouter
+++ b/openmptcprouter-api/files/usr/libexec/rpcd/openmptcprouter
@@ -8,6 +8,11 @@ local net   = require "luci.model.network".init()
 local ucic  = require "luci.model.uci".cursor()
 local jsonc  = require "luci.jsonc"
 
+function file_exists(name)
+	local f = io.open(name, "r")
+	return f ~= nil and io.close(f)
+end
+
 function interface_from_device(dev)
 	for _, iface in ipairs(net:get_networks()) do
 		local ifacen = iface:name()
@@ -1183,7 +1188,8 @@ function interfaces_status()
 	mArray.openmptcprouter['model'] = sys.exec("ubus call system board | jsonfilter -q -e '@.model' 2>/dev/null | tr -d '\n'")
 	local board_name = sys.exec("ubus call system board | jsonfilter -q -e '@.board_name' 2>/dev/null | tr -d '\n'")
 	-- retrieve core temperature
-	if board_name:match("^raspberrypi.*") then
+	--if board_name:match("^raspberrypi.*") then
+	if file_exists("/sys/class/thermal/thermal_zone0/temp") then
 		mArray.openmptcprouter["core_temp"] = sys.exec("cat /sys/class/thermal/thermal_zone0/temp 2>/dev/null"):match("%d+")
 	end
 	mArray.openmptcprouter["loadavg"] = sys.exec("cat /proc/loadavg 2>/dev/null"):match("[%d%.]+ [%d%.]+ [%d%.]+")