From mboxrd@z Thu Jan  1 00:00:00 1970
From: Pablo Neira Ayuso <pablo@netfilter.org>
Subject: Re: "random" syn packets dropped
Date: Thu, 24 Nov 2016 14:56:06 +0100
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Cc: Florian Westphal <fw@strlen.de>, netfilter-devel@vger.kernel.org
To: =?iso-8859-1?Q?Bj=F8rnar?= Ness <bjornar.ness@gmail.com>
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On Thu, Nov 24, 2016 at 02:37:30PM +0100, Bjørnar Ness wrote:
> Hello, Florian
> 
> I applied the patches to net-next, but unfortunately this did fix the
> bug I am seeing,
> in addition, now the bug seems to appear immediately (also with
> previous kernel),
> not after ~10 days as I have seen before.

If you revert this, do you still hit problems?

commit 870190a9ec9075205c0fa795a09fa931694a3ff1
Author: Florian Westphal <fw@strlen.de>
Date:   Tue Jul 5 12:07:24 2016 +0200

    netfilter: nat: convert nat bysrc hash to rhashtable

It would be good to bisect to make sure this is related to the
rhashtable conversion.

Let us know,
Thanks Bjørnar.