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[Launchpad Bug Tracker <1311470@xxxxxxxxxxxxxxxxxx>]

[Expired for neutron because there has been no activity for 60 days.]

** Changed in: neutron
       Status: Incomplete => Expired

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https://bugs.launchpad.net/bugs/1311470

Title:
  Disabling an ML2 type driver can leave orphaned DB records

Status in neutron:
  Expired

Bug description:
  If an ML2 type driver is disabled after segments have been allocated
  using that type driver, subsequent network deletions will not remove
  the DB records allocated by that type driver since the driver isn't
  there to release the segment[1]. These orphaned segments will then be
  unavailable for use if the type driver is re-enabled later.

  1.
  https://github.com/openstack/neutron/blob/af89d74d2961db6a04572375150ad908c9e72e78/neutron/plugins/ml2/managers.py#L103

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