diff --git a/libbpf/Makefile b/libbpf/Makefile
deleted file mode 100644
index 862b075a3..000000000
--- a/libbpf/Makefile
+++ /dev/null
@@ -1,60 +0,0 @@
-#
-# Copyright (C) 2018-2019 Ycarus (Yannick Chabanois) <ycarus@zugaina.org>
-#
-# This is free software, licensed under the GNU General Public License v2.
-# See /LICENSE for more information.
-#
-
-include $(TOPDIR)/rules.mk
-
-PKG_NAME:=libbpf
-PKG_VERSION:=556e0a0
-PKG_RELEASE:=1
-
-PKG_SOURCE_URL:=https://github.com/libbpf/libbpf.git
-PKG_SOURCE_VERSION:=556e0a0def956ece0476d99ccb0570ee4ecd4d23
-PKG_MAINTAINER:=Yannick Chabanois (Ycarus) <ycarus@zugaina.org>
-
-PKG_SOURCE_PROTO:=git
-
-include $(INCLUDE_DIR)/package.mk
-
-define Package/libbpf
-  SECTION:=net
-  CATEGORY:=Network
-  TITLE:=libbpf
-  DEPENDS:=+libstdcpp +libelf1
-  KCONFIG:=CONFIG_BPF_STREAM_PARSER=y
-endef
-
-define Package/libbpf/description
-  libbpf
-endef
-
-EXTRA_CPPFLAGS += -fpermissive -Wno-variadic-macros
-
-TARGET_CFLAGS += -DCOMPAT_NEED_REALLOCARRAY
-
-define Build/Configure
-endef
-
-define Build/Compile
-	BUILD_SHARED=y $(MAKE) -C $(PKG_BUILD_DIR)/src \
-	    CC="$(TARGET_CC)" \
-	    CFLAGS="$(TARGET_CFLAGS)" \
-	    LDFLAGS="$(TARGET_LDFLAGS)"
-endef
-
-define Build/InstallDev
-	$(INSTALL_DIR) $(1)/usr/lib
-	$(CP) $(PKG_BUILD_DIR)/src/libbpf.so $(1)/usr/lib
-	$(INSTALL_DIR) $(1)/usr/include/bpf
-	$(CP) $(PKG_BUILD_DIR)/src/*.h $(1)/usr/include/bpf
-endef
-
-define Package/libbpf/install
-	$(INSTALL_DIR) $(1)/usr/lib
-	$(CP) $(PKG_BUILD_DIR)/src/libbpf.so $(1)/usr/lib
-endef
-
-$(eval $(call BuildPackage,libbpf))
diff --git a/mptcp/files/usr/share/omr/post-tracking.d/post-tracking b/mptcp/files/usr/share/omr/post-tracking.d/post-tracking
index 5ab7a8034..bf73c81e8 100755
--- a/mptcp/files/usr/share/omr/post-tracking.d/post-tracking
+++ b/mptcp/files/usr/share/omr/post-tracking.d/post-tracking
@@ -1344,6 +1344,7 @@ if [ "$(pgrep openmptcprouter-vps)" = "" ] && ([ "$(uci -q show openmptcprouter
 fi
 
 if [ "$(pgrep openmptcprouter-vps)" = "" ] && ([ "$(uci -q show openmptcprouter | grep set_firewall=\'1\')" != "" ] || [ -z "$(iptables-save | grep omr_dst_bypass_${OMR_TRACKER_DEVICE})" ]); then
+	_log "Set firewall on server"
 	/etc/init.d/openmptcprouter-vps set_vps_firewall >/dev/null 2>&1
 
 	run_fw_include() {
diff --git a/omr-tracker/files/bin/omr-tracker-ss b/omr-tracker/files/bin/omr-tracker-ss
index e012e0878..a7a3639c7 100755
--- a/omr-tracker/files/bin/omr-tracker-ss
+++ b/omr-tracker/files/bin/omr-tracker-ss
@@ -103,6 +103,7 @@ while true; do
 				if [ "$disabled" != "1" ] && [ "$(pgrep ss-redir)" = "" ] && [ "$(uci -q get shadowsocks-libev.${server}.key)" != "" ]; then
 					_log "Can't find shadowsocks, restart it..."
 					/etc/init.d/shadowsocks-libev restart
+					sleep 5
 				fi
 				sleep $wait_test
 			fi
diff --git a/omr-tracker/files/etc/init.d/omr-tracker b/omr-tracker/files/etc/init.d/omr-tracker
index fa113ec71..fdf418d25 100755
--- a/omr-tracker/files/etc/init.d/omr-tracker
+++ b/omr-tracker/files/etc/init.d/omr-tracker
@@ -91,7 +91,7 @@ _launch_tracker() {
 	procd_set_param respawn 0 10 0
 	procd_set_param stderr 1
 	procd_close_instance
-	sleep 1
+	sleep 2
 }
 
 _launch_server_tracker() {
@@ -114,6 +114,7 @@ _launch_server_tracker() {
 	procd_set_param respawn 0 10 0
 	procd_set_param stderr 1
 	procd_close_instance
+	sleep 2
 }
 
 _launch_gre_tracker() {
@@ -136,6 +137,7 @@ _launch_gre_tracker() {
 	procd_set_param respawn 0 10 0
 	procd_set_param stderr 1
 	procd_close_instance
+	sleep 2
 }
 
 _initialize_shadowsocks_tracker() {
@@ -164,6 +166,7 @@ _initialize_shadowsocks_tracker() {
 		    set shadowsocks-libev.tracker_${server}.verbose=0
 		    commit shadowsocks-libev
 		EOF
+		logger -t "omr-tracker" "Restart ShadowSocks"
 		/etc/init.d/shadowsocks-libev restart
 	}
 #	[ -n "$tracker_server" ] && [ "$server" = "$tracker_server" ] || {
@@ -205,6 +208,7 @@ _launch_shadowsocks_tracker() {
 	procd_set_param respawn 0 10 0
 	procd_set_param stderr 1
 	procd_close_instance
+	sleep 1
 }
 
 _launch_v2ray_tracker() {
@@ -226,6 +230,7 @@ _launch_v2ray_tracker() {
 	procd_set_param respawn 0 10 0
 	procd_set_param stderr 1
 	procd_close_instance
+	sleep 1
 }
 
 _multi_server() {
diff --git a/openmptcprouter/files/bin/omr-test-speed b/openmptcprouter/files/bin/omr-test-speed
index 0521e7bf1..efed67aa5 100755
--- a/openmptcprouter/files/bin/omr-test-speed
+++ b/openmptcprouter/files/bin/omr-test-speed
@@ -1,23 +1,31 @@
 #!/bin/sh
 # vim: set noexpandtab tabstop=4 shiftwidth=4 softtabstop=4 :
-INTERFACE="$1"
+OVH=false
+if [ "$1" = "ovh" ]; then
+	OVH=true
+	INTERFACE="$2"
+else
+	INTERFACE="$1"
+fi
 
-echo "Select best test server..."
-HOSTLST="http://speedtest.frankfurt.linode.com/garbage.php?ckSize=10000 http://speedtest.tokyo2.linode.com/garbage.php?ckSize=10000 http://speedtest.singapore.linode.com/garbage.php?ckSize=10000 http://speedtest.newark.linode.com/garbage.php?ckSize=10000 http://speedtest.atlanta.linode.com/garbage.php?ckSize=10000 http://speedtest.dallas.linode.com/garbage.php?ckSize=10000 http://speedtest.fremont.linode.com/garbage.php?ckSize=10000 http://speedtest.tele2.net/1000GB.zip http://www.ovh.net/files/10Gb.dat https://speed.hetzner.de/10GB.bin http://ipv4.bouygues.testdebit.info/10G.iso http://par.download.datapacket.com/10000mb.bin http://nyc.download.datapacket.com/10000mb.bin http://ams.download.datapacket.com/10000mb.bin http://fra.download.datapacket.com/10000mb.bin http://lon.download.datapacket.com/10000mb.bin http://mad.download.datapacket.com/10000mb.bin http://prg.download.datapacket.com/10000mb.bin http://sto.download.datapacket.com/10000mb.bin http://vie.download.datapacket.com/10000mb.bin http://war.download.datapacket.com/10000mb.bin http://atl.download.datapacket.com/10000mb.bin http://chi.download.datapacket.com/10000mb.bin http://lax.download.datapacket.com/10000mb.bin http://mia.download.datapacket.com/10000mb.bin http://nyc.download.datapacket.com/10000mb.bin"
-bestping="999"
-for pinghost in $HOSTLST; do
-	domain=$(echo $pinghost | awk -F/ '{print $3}')
-	if [ -z "$INTERFACE" ]; then
-		ping=$(ping -c1 -w2 $domain | cut -d "/" -s -f5 | cut -d "." -f1)
-	else
-		ping=$(ping -c1 -w2 -I $INTERFACE -B $domain | cut -d "/" -s -f5 | cut -d "." -f1)
-	fi
-	echo "host: $domain - ping: $ping"
-	if [ -n "$ping" ] && [ "$ping" -lt "$bestping" ]; then
-		bestping=$ping
-		HOST=$pinghost
-	fi
-done
+if [ "$OVH" = false ]; then
+	echo "Select best test server..."
+	HOSTLST="http://speedtest.frankfurt.linode.com/garbage.php?ckSize=10000 http://speedtest.tokyo2.linode.com/garbage.php?ckSize=10000 http://speedtest.singapore.linode.com/garbage.php?ckSize=10000 http://speedtest.newark.linode.com/garbage.php?ckSize=10000 http://speedtest.atlanta.linode.com/garbage.php?ckSize=10000 http://speedtest.dallas.linode.com/garbage.php?ckSize=10000 http://speedtest.fremont.linode.com/garbage.php?ckSize=10000 http://speedtest.tele2.net/1000GB.zip http://www.ovh.net/files/10Gb.dat https://speed.hetzner.de/10GB.bin http://ipv4.bouygues.testdebit.info/10G.iso http://par.download.datapacket.com/10000mb.bin http://nyc.download.datapacket.com/10000mb.bin http://ams.download.datapacket.com/10000mb.bin http://fra.download.datapacket.com/10000mb.bin http://lon.download.datapacket.com/10000mb.bin http://mad.download.datapacket.com/10000mb.bin http://prg.download.datapacket.com/10000mb.bin http://sto.download.datapacket.com/10000mb.bin http://vie.download.datapacket.com/10000mb.bin http://war.download.datapacket.com/10000mb.bin http://atl.download.datapacket.com/10000mb.bin http://chi.download.datapacket.com/10000mb.bin http://lax.download.datapacket.com/10000mb.bin http://mia.download.datapacket.com/10000mb.bin http://nyc.download.datapacket.com/10000mb.bin"
+	bestping="9999"
+	for pinghost in $HOSTLST; do
+		domain=$(echo $pinghost | awk -F/ '{print $3}')
+		if [ -z "$INTERFACE" ]; then
+			ping=$(ping -c1 -w2 $domain | cut -d "/" -s -f5 | cut -d "." -f1)
+		else
+			ping=$(ping -c1 -w2 -I $INTERFACE -B $domain | cut -d "/" -s -f5 | cut -d "." -f1)
+		fi
+		echo "host: $domain - ping: $ping"
+		if [ -n "$ping" ] && [ "$ping" -lt "$bestping" ]; then
+			bestping=$ping
+			HOST=$pinghost
+		fi
+	done
+fi
 
 [ -z "$HOST" ] && HOST="http://proof.ovh.net/files/10Gio.dat"
 
diff --git a/openmptcprouter/files/bin/omr-test-speedv6 b/openmptcprouter/files/bin/omr-test-speedv6
index 0d5444041..31f619bed 100755
--- a/openmptcprouter/files/bin/omr-test-speedv6
+++ b/openmptcprouter/files/bin/omr-test-speedv6
@@ -1,23 +1,31 @@
 #!/bin/sh
 # vim: set noexpandtab tabstop=4 shiftwidth=4 softtabstop=4 :
-INTERFACE="$1"
+OVH=false
+if [ "$1" = "ovh" ]; then
+	OVH=true
+	INTERFACE="$2"
+else
+	INTERFACE="$1"
+fi
 
-echo "Select best test server..."
-HOSTLST="http://speedtest.frankfurt.linode.com/garbage.php?ckSize=10000 http://speedtest.tokyo2.linode.com/garbage.php?ckSize=10000 http://speedtest.singapore.linode.com/garbage.php?ckSize=10000 http://speedtest.newark.linode.com/garbage.php?ckSize=10000 http://speedtest.atlanta.linode.com/garbage.php?ckSize=10000 http://speedtest.dallas.linode.com/garbage.php?ckSize=10000 http://speedtest.fremont.linode.com/garbage.php?ckSize=10000 http://speedtest.tele2.net/1000GB.zip http://www.ovh.net/files/10Gb.dat https://speed.hetzner.de/10GB.bin http://ipv6.bouygues.testdebit.info/10G.iso http://par.download.datapacket.com/10000mb.bin http://nyc.download.datapacket.com/10000mb.bin http://ams.download.datapacket.com/10000mb.bin http://fra.download.datapacket.com/10000mb.bin http://lon.download.datapacket.com/10000mb.bin http://mad.download.datapacket.com/10000mb.bin http://prg.download.datapacket.com/10000mb.bin http://sto.download.datapacket.com/10000mb.bin http://vie.download.datapacket.com/10000mb.bin http://war.download.datapacket.com/10000mb.bin http://atl.download.datapacket.com/10000mb.bin http://chi.download.datapacket.com/10000mb.bin http://lax.download.datapacket.com/10000mb.bin http://mia.download.datapacket.com/10000mb.bin http://nyc.download.datapacket.com/10000mb.bin"
-bestping="999"
-for pinghost in $HOSTLST; do
-	domain=$(echo $pinghost | awk -F/ '{print $3}')
-	if [ -z "$INTERFACE" ]; then
-		ping=$(ping -6 -c1 -w2 $domain | cut -d "/" -s -f5 | cut -d "." -f1)
-	else
-		ping=$(ping -6 -c1 -w2 -I $INTERFACE -B $domain | cut -d "/" -s -f5 | cut -d "." -f1)
-	fi
-	echo "host: $domain - ping: $ping"
-	if [ -n "$ping" ] && [ "$ping" -lt "$bestping" ]; then
-		bestping=$ping
-		HOST=$pinghost
-	fi
-done
+if [ "$OVH" = false ]; then
+	echo "Select best test server..."
+	HOSTLST="http://speedtest.frankfurt.linode.com/garbage.php?ckSize=10000 http://speedtest.tokyo2.linode.com/garbage.php?ckSize=10000 http://speedtest.singapore.linode.com/garbage.php?ckSize=10000 http://speedtest.newark.linode.com/garbage.php?ckSize=10000 http://speedtest.atlanta.linode.com/garbage.php?ckSize=10000 http://speedtest.dallas.linode.com/garbage.php?ckSize=10000 http://speedtest.fremont.linode.com/garbage.php?ckSize=10000 http://speedtest.tele2.net/1000GB.zip http://www.ovh.net/files/10Gb.dat https://speed.hetzner.de/10GB.bin http://ipv6.bouygues.testdebit.info/10G.iso http://par.download.datapacket.com/10000mb.bin http://nyc.download.datapacket.com/10000mb.bin http://ams.download.datapacket.com/10000mb.bin http://fra.download.datapacket.com/10000mb.bin http://lon.download.datapacket.com/10000mb.bin http://mad.download.datapacket.com/10000mb.bin http://prg.download.datapacket.com/10000mb.bin http://sto.download.datapacket.com/10000mb.bin http://vie.download.datapacket.com/10000mb.bin http://war.download.datapacket.com/10000mb.bin http://atl.download.datapacket.com/10000mb.bin http://chi.download.datapacket.com/10000mb.bin http://lax.download.datapacket.com/10000mb.bin http://mia.download.datapacket.com/10000mb.bin http://nyc.download.datapacket.com/10000mb.bin"
+	bestping="9999"
+	for pinghost in $HOSTLST; do
+		domain=$(echo $pinghost | awk -F/ '{print $3}')
+		if [ -z "$INTERFACE" ]; then
+			ping=$(ping -6 -c1 -w2 $domain | cut -d "/" -s -f5 | cut -d "." -f1)
+		else
+			ping=$(ping -6 -c1 -w2 -I $INTERFACE -B $domain | cut -d "/" -s -f5 | cut -d "." -f1)
+		fi
+		echo "host: $domain - ping: $ping"
+		if [ -n "$ping" ] && [ "$ping" -lt "$bestping" ]; then
+			bestping=$ping
+			HOST=$pinghost
+		fi
+	done
+fi
 
 [ -z "$HOST" ] && HOST="http://proof.ovh.net/files/10Gio.dat"
 
diff --git a/openmptcprouter/files/etc/init.d/openmptcprouter-vps b/openmptcprouter/files/etc/init.d/openmptcprouter-vps
index 8e057ab96..a39ad887b 100755
--- a/openmptcprouter/files/etc/init.d/openmptcprouter-vps
+++ b/openmptcprouter/files/etc/init.d/openmptcprouter-vps
@@ -1768,7 +1768,10 @@ _config_service() {
 				EOF
 				config_foreach _set_ss_server server "method" "aes-256-gcm"
 				uci -q commit shadowsocks-libev
-				[ "$method" != "aes-256-gcm" ] && /etc/init.d/shadowsocks-libev restart
+				[ "$method" != "aes-256-gcm" ] && {
+					logger -t "OMR-VPS" "Shadowsocks restart"
+					/etc/init.d/shadowsocks-libev restart
+				}
 			fi
 		}
 	fi
@@ -1807,12 +1810,13 @@ _config_service() {
 	if [ "$(uci -q get openmptcprouter.settings.vpn)" != "openvpn" ] && [ "$(echo "$vps_config" | jsonfilter -q -e '@.client2client.enabled')" == "true" ]; then
 		_set_client2client
 	fi
-	[ "$error" = 0 ] && {
+	if [ "$error" = 0 ]; then
 		#logger -t "OMR-VPS" "No errors"
 		uci -q set openmptcprouter.${servername}.lastchange=$(date "+%s")
 		[ -n "$vps_config" ] && uci -q set openmptcprouter.settings.firstboot=0
-
-	}
+	else
+		logger -t "OMR-VPS" "Setting server config error, try again"
+	fi
 	#[ "$error" != 0 ] && logger -t "OMR-VPS" "Error !"
 	uci -q batch <<-EOF >/dev/null
 		set openmptcprouter.${servername}.admin_error=$error
@@ -1866,5 +1870,6 @@ start_service() {
 service_triggers() {
 	procd_add_reload_trigger openmptcprouter network shadowsocks-libev v2ray glorytun glorytun-udp mlspn openvpn dsvpn
 	procd_add_config_trigger "config.change" "firewall" /etc/init.d/openmptcprouter-vps set_vps_firewall
+	#procd_add_config_trigger "config.change" "network" /etc/init.d/openmptcprouter-vps set_gre_tunnel
 	#procd_add_reload_trigger openmptcprouter shadowsocks-libev network upnpd
 }
\ No newline at end of file