The official way to disable this behavior requires appending "systemd.sshauto=no" to the kernel boot line.

https://man7.org/linux/man-pages/man8/systemd-ssh-generator.8.html

On Sun, Dec 28, 2025 at 9:11 PM Jacob Bachmeyer <jcb62281 () gmail com> wrote: On 12/27/25 21:46, Greg Dahlman wrote: [...]

Systemd v256 change - When the openssh-server package is installed on a VM with vsock support, systemd now automatically starts an sshd instance that listens on the afvsock socket in the global network namespace without any manual configuration. Obvious question: what manual configuration is required to kill that listener?

-- Jacob