Hi,
It was introduced with v256 : https://github.com/systemd/systemd/blob/2ba910ab06e5970e9e2dc6d28a8d38a4adcd4a16/NEWS#L3509-L3583
But if I understand correctly, this still uses SSHD config for authentication, but allows potential hosts to VM, VM to VM and VM to host communication, bypassing...