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Date:	Tue, 27 Mar 2012 17:37:07 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	bcrl@...ck.org
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH net/core] dev_forward_skb() should clear skb_iif

From: Benjamin LaHaise <bcrl@...ck.org>
Date: Tue, 27 Mar 2012 12:29:20 -0400

> While investigating another bug, I found that the code on the incoming path
> in __netif_receive_skb will only set skb->skb_iif if it is already 0.  When
> dev_forward_skb() is used in the case of interfaces like veth, skb_iif may
> already have been set.  Making dev_forward_skb() cause the packet to look
> more like a newly received packet would seem to the the correct behaviour
> here, as otherwise the wrong incoming interface can be reported for such a
> packet.

Same problems as your ipv4 multicast patch, I'm not applying this.

You must learn how to properly submit your changes, otherwise I
guarentee all of your work will hit the bit bucket.
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