netdev - Re: [PATCH v2 net 6/6] bonding: disallow change of MAC if fail_over

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Message-Id: <20130607.150628.1095723147945965442.davem@davemloft.net>
Date:	Fri, 07 Jun 2013 15:06:28 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	fubar@...ibm.com
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH v2 net 6/6] bonding: disallow change of MAC if
 fail_over_mac enabled

From: Jay Vosburgh <fubar@...ibm.com>
Date: Fri, 31 May 2013 14:57:31 -0700

> 	Currently, if fail_over_mac is set to active, then attempts to
> change the MAC of the bond itself silently fail.  However, if fail_over_mac
> is set to follow, changes are permitted.
> 
> 	Permitting the bond's MAC to change with fail_over_mac=follow
> will disrupt the follow functionality, which normally controls the
> assignment of MAC address to the bond and its slaves, and can cause
> multiple ports to be assigned the same MAC address. which will interfere
> with the functioning of the device (where the device here is a
> virtualization-aware card for s390, qeth).
> 
> Signed-off-by: Jay Vosburgh <fubar@...ibm.com>

Applied to net-next.
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