netdev - Re: iproute2: ip netns: Do not delete netns if there any process use it

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Date:	Wed, 11 Mar 2015 10:07:50 -0700
From:	Cong Wang <cwang@...pensource.com>
To:	Vadim Kochan <vadim4j@...il.com>
Cc:	netdev <netdev@...r.kernel.org>
Subject: Re: iproute2: ip netns: Do not delete netns if there any process use it

On Wed, Mar 11, 2015 at 9:50 AM, Vadim Kochan <vadim4j@...il.com> wrote:
>
> Sure kernel does and after net0 file was deleted the devices will be
> still alive within net0 till all processes within net0 will exit or will

This is exactly how reference counting works.

> be killed. And there might be case that after deleting net0 it might be
> hard to find these processes and kill them to bring back devices from
> net0 to the initial netns.

It is your responsibility to track the processes you put into the netns.
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