moon::iptables-restore < /etc/iptables.rules
sun::iptables-restore < /etc/iptables.rules
carol::iptables-restore < /etc/iptables.rules
moon::systemctl start strongswan-swanctl
sun::systemctl start strongswan-swanctl
carol::systemctl start strongswan-swanctl
carol::expect-connection gw-moon
carol::expect-connection gw-sun
moon::expect-connection gw-gw
moon::swanctl --initiate --child net-net 2> /dev/null
sun::expect-connection gw-gw
sun::swanctl --initiate --child net-net 2> /dev/null