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[Alan Pevec <1454434@xxxxxxxxxxxxxxxxxx>]

** Also affects: neutron/kilo
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/1454434

Title:
  NoNetworkFoundInMaximumAllowedAttempts during concurrent network
  creation

Status in neutron:
  Fix Released
Status in neutron kilo series:
  New

Bug description:
  NoNetworkFoundInMaximumAllowedAttempts  could be thrown if networks are created by multiple threads simultaneously.
  This is related to https://bugs.launchpad.net/bugs/1382064
  Currently DB logic works correctly, however 11 attempts that code does right now might not be enough in some rare unlucky cases under extreme concurrency.

  We need to randomize segmentation_id selection to avoid such issues.

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