UserKnownHostsFile ./ssh_known_hosts
Host caribou
HostName 2a01:e0a:c:a720::23
Host carcajou
HostName 2a01:e0a:c:a720::22
Host cariacou
HostName 2a01:e0a:c:a720::21
Host spoutnik
HostName 10.42.0.2
Port 220