19:26:10.954820 STP 802.1d, Config, Flags [none], bridge-id 8000.52:54:00:97:f9:fd.8004, length 35
19:26:11.531127 IP carol.strongswan.org.isakmp > moon.strongswan.org.isakmp: isakmp: parent_sa ikev2_init[I]
19:26:11.593505 IP moon.strongswan.org.isakmp > carol.strongswan.org.isakmp: isakmp: parent_sa ikev2_init[R]
19:26:11.621821 IP carol.strongswan.org.ipsec-nat-t > moon.strongswan.org.ipsec-nat-t: NONESP-encap: isakmp: child_sa  ikev2_auth[I]
19:26:11.670887 IP moon.strongswan.org.ipsec-nat-t > carol.strongswan.org.ipsec-nat-t: NONESP-encap: isakmp: child_sa  ikev2_auth[R]
19:26:11.671180 IP moon.strongswan.org.ipsec-nat-t > carol.strongswan.org.ipsec-nat-t: NONESP-encap: isakmp: child_sa  ikev2_auth[R]
19:26:11.731378 IP carol.strongswan.org.ipsec-nat-t > moon.strongswan.org.ipsec-nat-t: NONESP-encap: isakmp: child_sa  ikev2_auth[I]
19:26:11.739389 IP moon.strongswan.org.ipsec-nat-t > carol.strongswan.org.ipsec-nat-t: NONESP-encap: isakmp: child_sa  ikev2_auth[R]
19:26:11.746354 IP carol.strongswan.org.ipsec-nat-t > moon.strongswan.org.ipsec-nat-t: NONESP-encap: isakmp: child_sa  ikev2_auth[I]
19:26:11.750718 IP moon.strongswan.org.ipsec-nat-t > carol.strongswan.org.ipsec-nat-t: NONESP-encap: isakmp: child_sa  ikev2_auth[R]
19:26:11.757800 IP carol.strongswan.org.ipsec-nat-t > moon.strongswan.org.ipsec-nat-t: NONESP-encap: isakmp: child_sa  ikev2_auth[I]
19:26:11.763300 IP moon.strongswan.org.ipsec-nat-t > carol.strongswan.org.ipsec-nat-t: NONESP-encap: isakmp: child_sa  ikev2_auth[R]
19:26:11.770666 IP carol.strongswan.org.ipsec-nat-t > moon.strongswan.org.ipsec-nat-t: NONESP-encap: isakmp: child_sa  ikev2_auth[I]
19:26:11.799701 IP moon.strongswan.org.ipsec-nat-t > carol.strongswan.org.ipsec-nat-t: NONESP-encap: isakmp: child_sa  ikev2_auth[R]
19:26:12.093517 IP carol.strongswan.org > moon.strongswan.org: ESP(spi=0xc3c7e028,seq=0x1), length 120
19:26:12.093560 IP carol.strongswan.org > alice.strongswan.org: ICMP echo request, id 26558, seq 1, length 64
19:26:12.094051 IP moon.strongswan.org > carol.strongswan.org: ESP(spi=0xcaf326e5,seq=0x1), length 120