From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Miller <davem@davemloft.net>
Subject: Re: [PATCH] ipv6 addrconf: Fix addrconf_ifid_eui64 of 802.15.4
 devices
Date: Thu, 07 Mar 2013 18:17:51 -0500 (EST)
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From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Thu, 07 Mar 2013 14:57:05 -0800

> On Thu, 2013-03-07 at 22:41 +0000, Ben Hutchings wrote:
>> On Thu, 2013-03-07 at 21:13 +0100, Alexander Aring wrote:
>> > The function addrconf_ifid_eui64 will copy eui into dev->dev_addr.
>> > We need first to manipulate eui[0] before we call memcpy afterwards.
>> 
>> memcpy() does not work that way.
>> 
>> > Broken since commit:
>> > 5e98a36ed4bf6ea396170e3af0dd4fcbe51d772f
>> > 
>> > Since this commit I got many trouble with the ieee802154 stack.
>> 
>> Your change is effectively reverting that commit.
> 
> Reverting the commit seems the solution ;)

So Yoshifuji HIDEAKI and Alexander need to work out what is happening
here.