netdev - Re: Possible IPv6 fragmentation/pmtud bug

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Date:	Thu, 5 Dec 2013 21:18:57 +0100
From:	Hannes Frederic Sowa <hannes@...essinduktion.org>
To:	"Templin, Fred L" <Fred.L.Templin@...ing.com>
Cc:	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: Possible IPv6 fragmentation/pmtud bug

On Thu, Dec 05, 2013 at 08:13:25PM +0000, Templin, Fred L wrote:
> Another clue that I should have mentioned in my initial message; the
> "hosts", "routers" and "links" are not physical nodes but rather
> network namespace virtual nodes running within a single linux 3.10.17
> emulation server. Could there be some sort of weird "cross-talk"
> between VMs that is making the router believe it is a host?

That is probable. With a quick test I could not reproduce it. I guess we don't
reset skb->local_df after creation. I'll check it out.

Thanks for the report,

  Hannes

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