> Did you enabled ip filter by command `/sbin/ipf -E'?  Since the bug
> that pseudo device attach routine errounously called ip filter attach
> routine and as a result always ip filter was enabled is fixed, now we
> have to enable ip filter explicitly.
No, I had not enabled it.  I stupidly assumed that it was working
correctly before.  `/sbin/ipf -E' does indeed do the trick.
Thanks a lot!

        -- Lennart