From: "Theo de Raadt" <deraadt@openbsd.org>
Subject: Re: dhcpd(8): use UDP sockets instead of BPF
To: Alexander Bluhm <alexander.bluhm@gmx.net>
Cc: Alexandr Nedvedicky <sashan@fastmail.net>, tech@openbsd.org
Date: Mon, 16 Jun 2025 08:14:34 -0600

Alexander Bluhm <alexander.bluhm@gmx.net> wrote:

> We have something similar in pf for neighbor discovery.  But that
> is also incomplete.  Maybe sashan@ can fix this too :-)

How long has the neighbor discovery stuff been incomplete?
How long will the dhcp stuff be incomplete?  dhcp messaging is more
complicated in practice.. will some difficult corner cases show up
in practice which pf cannot follow?

It is worrying.