iptables -t mangle -A qos_${cg} -j CONNMARK --restore-mark --mask 0x0f
iptables -t mangle -A qos_${cg} -m mark --mark 0/0x0f -j qos_${cg}_ct
$pktrules
-${iptrules:+${iptrules}${N}iptables -t mangle -A qos_${cg} -j CONNMARK --save-mark --mask 0xf0}
+${iptrules:+${iptrules}${N}iptables -t mangle -A qos_${cg} -j CONNMARK --save-mark --mask 0xff}
$up$N${down:+${down}$N}
EOF
unset INSMOD