From: Pavel Emelyanov <xemul@openvz.org>
Date: Wed, 31 Oct 2007 22:25:18 +0300
> When the CONFIG_NET_NS is n there's no need in refcounting
> the initial net namespace. So relax this code by making a
> stupid stubs for the "n" case.
>
> Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Applied.