# Re: \[RFC PATCH net-next v2 0/5\] netns: allow to identify peer netns

- From: Cong Wang \<hidden\>
- Date: 2014-09-24 16:48:24 
- List: linux-api
- Page: https://ratatoskr.run/linux-api/2014/09/4340577
- Thread: https://ratatoskr.run/netdev/2014/09/4339151/t.md

```text
On Wed, Sep 24, 2014 at 9:31 AM, Nicolas Dichtel
[ref] wrote:
>> I think in this case your ID's are still available, but aren't you
>> providing a new way
>> for the inner netns device to escape which we are trying to avoid?
>
> It's why the ids depend on user ns. Only if user ns are the same we allow to
> get an id for a peer netns.

Too late, userns is relatively new, relying on it breaks our existing
assumption.
```