carol::swanctl --terminate --ike home
dave::swanctl --terminate --ike home
carol::systemctl stop strongswan
dave::systemctl stop strongswan
moon::systemctl stop strongswan
venus::cat /var/lib/dhcp/dhcpd.leases
venus::service isc-dhcp-server stop 2> /dev/null
venus::rm /var/lib/dhcp/dhcpd.leases*; touch /var/lib/dhcp/dhcpd.leases
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