netdev - Re: Default network namespace name

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Message-ID: <537C756D.4070407@6wind.com>
Date:	Wed, 21 May 2014 11:44:13 +0200
From:	Nicolas Dichtel <nicolas.dichtel@...nd.com>
To:	Peter Fassberg <pf@...ssner.se>, netdev@...r.kernel.org
Subject: Re: Default network namespace name

Le 21/05/2014 08:36, Peter Fassberg a écrit :
>
> Hi!
>
> Is there a name of the default network namespace?
No.

>
> I would like to execute a command in the default network namespace while running
> a shell in a non-default namespace.
>
> Like this: ip netns exec "" ip link
> Or this:   ip netns exec . ip link
>
> That command end up with a mis-spelled error message: :)
> seting the network namespace "" failed: Invalid argument

You can try something like this (I suppose that init runs in your
"default network namespace") :

ip netns add foo (just to create /var/run/netns which is a tmpfs)
ip netns del foo
touch /var/run/netns/default
mount --bind /proc/1/ns/net /var/run/netns/default
ip netns exec default ip link

Regards,
Nicolas
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