alice::ipsec status 2> /dev/null::nat-t.*ESTABLISHED.*alice@strongswan.org.*bob@strongswan.org::YES
bob::  ipsec status 2> /dev/null::nat-t.*ESTABLISHED.*bob@strongswan.org.*alice@strongswan.org::YES
alice::ipsec status 2> /dev/null::nat-t.*INSTALLED, TUNNEL.*ESP in UDP::YES
bob::  ipsec status 2> /dev/null::nat-t.*INSTALLED, TUNNEL.*ESP in UDP::YES
alice::ping -c 1 PH_IP_SUN1::64 bytes from PH_IP_SUN1: icmp_.eq=1::YES
moon::tcpdump::IP moon.strongswan.org.* > sun.strongswan.org.\(4500\|ipsec-nat-t\): UDP::YES
moon::tcpdump::IP sun.strongswan.org.\(4500\|ipsec-nat-t\) > moon.strongswan.org.*: UDP::YES