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[Matt Riedemann <mriedem.os@xxxxxxxxx>]

** Also affects: nova/pike
   Importance: Undecided
       Status: New

** Also affects: nova/queens
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/1742102

Title:
  Simple user can disable compute

Status in OpenStack Compute (nova):
  In Progress
Status in OpenStack Compute (nova) pike series:
  New
Status in OpenStack Compute (nova) queens series:
  New
Status in OpenStack Security Advisory:
  Incomplete

Bug description:
  Hi,

  When I tested a fresh deploy of Pike, I created a private network with
  a little subnet like /28. If you try to create a lot of new instances,
  nova failed because which doesn't have free IP for the creation of new
  instances.

  The fail trace is  https://thepasteb.in/p/zmh8qDG2ZYJIZ

  So after that, the trigger consecutive_build_service_disable_threshold
  up to 10 very fast and computes are disable.

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