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[Bug 1158589] Re: ip netns exec <netns> kill <pid> doesn't make sense

To: yahoo-eng-team@xxxxxxxxxxxxxxxxxxx
From: Thierry Carrez <thierry.carrez+lp@xxxxxxxxx>
Date: Wed, 29 May 2013 11:07:48 -0000
Reply-to: Bug 1158589 <1158589@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

** Changed in: quantum
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1158589

Title:
  ip netns exec <netns> kill <pid> doesn't make sense

Status in OpenStack Quantum (virtual network service):
  Fix Released

Bug description:
  There are several code which executes
  ip netns exec <netns> kill <pid>

  Since pidns is different from netns, it doesn't make sense. Just kill <pid> works.
  As side effects, 'ip netns exec' referes /var/run/netns/<netns> which is bind-mounted to
  /proc/<pid>/ns/net. It makes the corresponding dentry young, which increases the possibility
  to fail to delete netns. That's bad.

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