1 alice: network vpn ipsec connection basic local prefix +fdd1:9e02:338f::2:1/64
2 alice: network vpn ipsec connection basic remote prefix +fdd1:9e02:338f::3:1/64
3 bob: network vpn ipsec connection basic local prefix +fdd1:9e02:338f::3:1/64
4 bob: network vpn ipsec connection basic remote prefix +fdd1:9e02:338f::2:1/64