From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Miller <davem@davemloft.net>
Subject: Re: [PATCH] ipv6: addrconf: fix /proc/net/if_inet6
Date: Tue, 16 Oct 2012 14:39:36 -0400 (EDT)
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From: Jan Hinnerk Stosch <janhinnerk.stosch@gmail.com>
Date: Tue, 16 Oct 2012 20:30:19 +0200

> 2012/10/16 Eric Dumazet <eric.dumazet@gmail.com>:
>> From: Eric Dumazet <edumazet@google.com>
>>
>> Commit 1d5783030a1 (ipv6/addrconf: speedup /proc/net/if_inet6 filling)
>> added bugs hiding some devices from if_inet6 and breaking applications.
>>
>> "ip -6 addr" could still display all IPv6 addresses, while "ifconfig -a"
>> couldnt.
>>
>> One way to reproduce the bug is by starting in a shell :
>>
>> unshare -n /bin/bash
>> ifconfig lo up
>>
>> And in original net namespace, lo device disappeared from if_inet6
>>
>> Reported-by: Jan Hinnerk Stosch <janhinnerk.stosch@gmail.com>
>> Signed-off-by: Eric Dumazet <edumazet@google.com>
>> Cc: Mihai Maruseac <mihai.maruseac@gmail.com>
 ...
> Yes, everything works fine again. Thank you very much!

Thanks for testing.