alice::ipsec status::nat-t.*STATE_QUICK_I2.*IPsec SA established::YES
bob::ipsec status::nat-t.*STATE_QUICK_R2.*IPsec SA established::YES
alice::ping -c 1 PH_IP_BOB::64 bytes from PH_IP_BOB: icmp_seq=1::YES
moon::tcpdump::IP moon.strongswan.org.* > sun.strongswan.org.ipsec-nat-t: UDP::YES
moon::tcpdump::IP sun.strongswan.org.ipsec-nat-t > moon.strongswan.org.*: UDP::YES