From mboxrd@z Thu Jan  1 00:00:00 1970
From: Stephen Hemminger <shemminger@vyatta.com>
Subject: Re: [PATCH] iproute2: Fail "ip netns add" on existing network
 namespaces.
Date: Wed, 31 Aug 2011 11:05:15 -0700
Message-ID: <20110831110515.4ecd349e@nehalam.ftrdhcpuser.net>
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To: ebiederm@xmission.com (Eric W. Biederman)
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On Fri, 15 Jul 2011 17:29:41 -0700
ebiederm@xmission.com (Eric W. Biederman) wrote:

> 
> Use O_EXCL so that we only create and mount a new network namespace
> if there is no chance an existing network namespace is present.
> 
> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>

Both setns patches applied