Configuring IPsec with ipsecctl(8) net-to-net example gateway A: ike esp from 10.0.1.0/24 to 10.0.2.0/24 peer 2.2.2.2 gateway B: ike esp from 10.0.2.0/24 to 10.0.1.0/24 peer 1.1.1.1