carol::swanctl --terminate --ike home
dave::swanctl --terminate --ike home
carol::systemctl stop strongswan-swanctl
dave::systemctl stop strongswan-swanctl
moon::systemctl stop strongswan-swanctl
venus::cat /var/state/dhcp/dhcpd.leases
venus::server isc-dhcp-server stop 2> /dev/null
moon::iptables-restore < /etc/iptables.flush
carol::iptables-restore < /etc/iptables.flush
dave::iptables-restore < /etc/iptables.flush
alice::arp -d 10.1.0.50
alice::arp -d 10.1.0.51