From mboxrd@z Thu Jan  1 00:00:00 1970
From: ebiederm@xmission.com (Eric W. Biederman)
Subject: Re: [PATCH net-next v2 0/7] netns: ease netlink use with a lot of netns
Date: Fri, 22 May 2015 16:19:08 -0500
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Cc: Nicolas Dichtel <nicolas.dichtel@6wind.com>,
	netdev@vger.kernel.org, tgraf@suug.ch, davem@davemloft.net
To: Alexander Holler <holler@ahsoftware.de>
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Alexander Holler <holler@ahsoftware.de> writes:

> Am 08.05.2015 um 14:02 schrieb Eric W. Biederman:
>>
>> So I am dense.  I have read through the patches and I don't see where
>> you tag packets from other network namespaces with a network namespace
>> id.
>
> Me too,

You need to use recvmsg, and then parse out the NETLINK_LISTEN_ALL_NSID
control message.

It isn't a netlink attribute that is being returned.

Eric