From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Miller <davem@davemloft.net>
Subject: Re: Possible networking regression in 3.6.0
Date: Tue, 02 Oct 2012 14:25:02 -0400 (EDT)
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From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Tue, 02 Oct 2012 17:48:39 +0200

> [PATCH] ipv4: properly cache forward routes
> 
> commit d2d68ba9fe8 (ipv4: Cache input routes in fib_info nexthops.)
> introduced a regression for forwarding.
> 
> This was hard to reproduce but the symptom was that packets were
> delivered to local host instead of being forwarded.
> 
> Add a separate cache (nh_rth_forward) to solve the problem.
> 
> Many thanks to Chris Clayton for his patience and help.
> 
> Reported-by: Chris Clayton <chris2553@googlemail.com>
> Bisected-by: Chris Clayton <chris2553@googlemail.com>
> Reported-by: Dave Jones <davej@redhat.com>
> Signed-off-by: Eric Dumazet <edumazet@google.com>

Thanks for figuring this out, I'll think about this more
deeply.