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Message-Id: <20140509.160225.1543592257804345860.davem@davemloft.net>
Date:	Fri, 09 May 2014 16:02:25 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	pch@...bogen.com
Cc:	kaber@...sh.net, netdev@...r.kernel.org
Subject: Re: [PATCH] macvlan: Don't propagate IFF_ALLMULTI changes on down
 interfaces.

From: Peter Christensen <pch@...bogen.com>
Date: Thu,  8 May 2014 11:15:37 +0200

> Clearing the IFF_ALLMULTI flag on a down interface could cause an allmulti
> overflow on the underlying interface.
> 
> Attempting the set IFF_ALLMULTI on the underlying interface would cause an
> error and the log message:
> 
> "allmulti touches root, set allmulti failed."
> 
> Signed-off-by: Peter Christensen <pch@...bogen.com>

Hmmm, but won't we lose this event once the interface is brought
back up?
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