moon::iptables-restore < /etc/iptables.rules
sun::iptables-restore < /etc/iptables.rules
alice::iptables -t mangle -A OUTPUT -p icmp -j DSCP --set-dscp-class BE
venus::iptables -t mangle -A OUTPUT -p icmp -j DSCP --set-dscp-class EF
moon::iptables -t mangle -A PREROUTING -m dscp --dscp-class BE -j MARK --set-mark 10
moon::iptables -t mangle -A PREROUTING -m dscp --dscp-class EF -j MARK --set-mark 20
bob::iptables -t mangle -A OUTPUT -d PH_IP_ALICE -p icmp -j DSCP --set-dscp-class BE
bob::iptables -t mangle -A OUTPUT -d PH_IP_VENUS -p icmp -j DSCP --set-dscp-class EF
sun::iptables -t mangle -A PREROUTING -m dscp --dscp-class BE -j MARK --set-mark 10
sun::iptables -t mangle -A PREROUTING -m dscp --dscp-class EF -j MARK --set-mark 20
sun::systemctl start strongswan
moon::systemctl start strongswan
sun::expect-connection dscp
moon::expect-connection dscp
moon::swanctl --initiate --child net-be
moon::swanctl --initiate --child net-ef