On Tue, 21 Dec 1999 02:24:14 +0100 
 Lennart Augustsson <lennart@augustsson.net> wrote:

 > Speaking of detaching network card.  Is anyone working on this?
 > I guess I can borrow the code from OpenBSD to do it, because
 > I want to be able to switch network cards.

Do they have a properly-working if_detach()?  I'm guessing "no".  They
certainly didn't the last time I looked at their code base (about a
month ago).

        -- Jason R. Thorpe <thorpej@nas.nasa.gov>