From mboxrd@z Thu Jan  1 00:00:00 1970
From: Stephen Hemminger <stephen.hemminger@vyatta.com>
Subject: NAT packets leaking out with source address
Date: Wed, 5 Mar 2008 16:52:31 -0800
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To: Patrick McHardy <kaber@trash.net>, netfilter@vger.kernel.org

QA is seeing some (not all packets) going through a NAT router with the
original source address.  Is this a known problem? or a configuration issue?

The packets are ICMP echo requests coming in at almost line rate, so some
table could be getting overloaded?