OpenBSD-4.6/regress/sbin/ipsecctl/ipsec15.in

flow esp from 1.1.1.0/24 to 2.2.2.0/24 local 192.168.0.1 peer 192.168.100.1
flow esp from 1.1.1.0/24 to 2.2.2.0/24 peer 192.168.100.1 local 192.168.0.1