On Sun, Jan 16, 2022 at 10:11:30PM +0100, Felix Odenkirchen wrote: > A udev update changed the interface name for virtual network devices > from "eth0" to "enX0" (using persistent block device naming scheme), https://wiki.debian.org/NewInBuster#Network_interface_name_migration Which version of Debian is that? If it's buster or later, this should not be a surprise, because it's in the release notes.