On Sat, 13 Mar 2021 at 10:00, ghe2001 <ghe2001@pm.me> wrote: > Buster, Dell laptop > I've got what might be two ghost interfaces, and I think I'd like to get rid of them. > I use /etc/network/interfaces to configure interfaces. Another possibility to check/eliminate: are there any additional configuration files in the /etc/network/interfaces.d directory?