also restore ipv6 ip-rule in install_iptables_setup.sh
also restore ipv6 ip-rule in install_iptables_setup.sh

firewalla/firewalla,MelvinTo/firewalla,MelvinTo/firewalla,firewalla/firewalla,MelvinTo/firewalla,MelvinTo/firewalla,MelvinTo/firewalla,firewalla/firewalla,firewalla/firewalla,firewalla/firewalla