From 811927ccfe90fbfcfff5253ba7f95057f6cae692 Mon Sep 17 00:00:00 2001
From: Patrick McHardy <kaber@trash.net>
Date: Sun, 26 Aug 2012 19:14:01 +0200
Subject: [PATCH] netfilter: nf_conntrack: restrict NAT helper invocation to
 IPv4

The NAT helpers currently only handle IPv4 packets correctly. Restrict
invocation of the helpers to IPv4 in preparation of IPv6 NAT.

Signed-off-by: Patrick McHardy <kaber@trash.net>
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Reading git-format-patch failed