From mboxrd@z Thu Jan  1 00:00:00 1970
From: Florian Westphal <fw@strlen.de>
Subject: Re: conntrack (possibly) hangs on our ARM CPU in case we delete 5k+
 connections as fast as possible
Date: Tue, 14 Mar 2017 12:20:51 +0100
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Cc: Florian Westphal <fw@strlen.de>, netfilter-devel@vger.kernel.org
To: Peter Marczis <peter.marczis@greenwavesystems.com>
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Peter Marczis <peter.marczis@greenwavesystems.com> wrote:
> I mean we destroy the sockets, we used two very basic python script to
> open and close TCP sockets between the WAN and LAN interface.

Then my guess wrt. nf_ct_iterate_cleanup is certainly wrong.