The following reply was made to PR kern/37037; it has been noted by GNATS.

From: Paul Ripke <stix@stix.id.au>
To: Martti Kuparinen <martti.kuparinen@iki.fi>
Cc: Juan RP <juan@xtrarom.org>,
	Michael van Elst <mlelstv@serpens.de>, pavel@netbsd.org,
	Darren Reed <darrenr@netbsd.org>,
	NetBSD gnats-bugs <gnats-bugs@NetBSD.org>
Subject: Re: kern/37037
Date: Mon, 1 Oct 2007 22:30:07 +1000

 On Mon, Oct 01, 2007 at 08:43:43AM +0300, Martti Kuparinen wrote:
 > >Does this patch break userland compatibility? if that's the case, please
 > >fix it correctly.
 > 
 > Try the new patch: http://users.piuha.net/martti/tmp/nat2.diff
 > 
 > Changes: I did not add "fin_cksum" to the fr_info_t structure...
 
 Tested - I needed to install a new ipnat(8) (expected?), otherwise:
 # ipnat -l
 ioctl(SIOCGNATS): Invalid argument
 
 No longer get "Data modified on freelist", but I'm still waiting for
 any of the RDR sessions to age out. I'll check again in the morning.
 
 -- 
 Paul Ripke