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[OpenStack Infra <1631004@xxxxxxxxxxxxxxxxxx>]

Reviewed:  https://review.openstack.org/382966
Committed: https://git.openstack.org/cgit/openstack/neutron/commit/?id=0e5caebd452518b6be9c99248187ddc9926818ce
Submitter: Jenkins
Branch:    master

commit 0e5caebd452518b6be9c99248187ddc9926818ce
Author: Jakub Libosvar <libosvar@xxxxxxxxxx>
Date:   Thu Oct 6 09:49:14 2016 -0400

    Ignore gre0 and gretap0 devices in netns cleanup script.
    
    This is tested by
    http://git.openstack.org/cgit/openstack/neutron/tree/neutron/tests/functional/cmd/test_netns_cleanup.py?h=9.0.0#n49
    
    Change-Id: I24ac257cafc7a2617215f1072509e70e40d23fea
    Closes-Bug: #1631004


** Changed in: neutron
       Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/1631004

Title:
  neutron-netns-cleanup doesn't work with ip_gre kernel module

Status in neutron:
  Fix Released

Bug description:
  Kernel patch
  https://github.com/torvalds/linux/commit/b2acd1dc3949cd60c571844d495594f05f0351f4
  introduced a dependency of openvswitch on ip_gre. ip_gre kernel module
  creates gre0 and gretap0 interfaces that are present in all network
  namespaces (they are note separated).

  This makes neutron-netns-cleanup not deleting namespace as it still
  thinks there are devices in namespace (gre0, gretap0).

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