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_BOB::64 bytes from PH_IP_BOB: icmp_req=1::YES
moon::tcpdump::IP moon.strongswan.org.* > sun.strongswan.org.4500: UDP::YES
moon::tcpdump::IP sun.strongswan.org.4500 > moon.strongswan.org.*: UDP::YES