"And there's a new type of system service called a capsule, and "a small new service manager" called systemd-ssh-generator, which lets VMs and containers accept

"And there's a new type of system service called a capsule, and "a small new service manager" called systemd-ssh-generator, which lets VMs and containers accept SSH connections so long as systemd can find the sshd binary – even if no networking is available" - that sounds quite interesting.