if [ "$(uci -q get network.client.fff_snat)" = '1' ]; then
	iptables -t mangle -A PREROUTING -i br-client -j MARK --set-mark 0x736e6174
	iptables -t nat -A POSTROUTING -m mark --mark 0x736e6174 -j SNAT --to-source $(uci -q get network.client.fff_snat_sourceip)
fi