bob::systemctl stop strongswan
alice::systemctl stop strongswan
carol::systemctl stop strongswan
alice::iptables-restore < /etc/iptables.flush
carol::iptables-restore < /etc/iptables.flush
bob::iptables-restore < /etc/iptables.flush
moon::iptables-restore < /etc/iptables.flush
sun::iptables-restore < /etc/iptables.flush