The official way to disable this behavior requires appending "systemd.ssh_auto=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 <[email protected]> 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 **af_vsock** socket in > > the **global network namespace** without any manual configuration. > > Obvious question: what manual configuration is required to kill that > listener? > > > -- Jacob > >
