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[Bernard Cafarelli <bcafarel@xxxxxxxxxx>]

No hits for a long time, marking as fixed

** Tags removed: neutron-proactive-backport-potential

** Changed in: neutron
       Status: Incomplete => Fix Released

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https://bugs.launchpad.net/bugs/1627480

Title:
  create_port can succeed without returning fixed_ips on all requested
  subnets

Status in neutron:
  Fix Released

Bug description:
  There looks to be a window when a port is being created that has
  requested fixed IPs on specific subnets where the subnet can be
  deleted and the port creation will return successfully without getting
  IPs on all requested subnets.

  This interferes with the DHCP agent which expects to get IPs on the
  subnets it requests or an exception indicating that a subnet does not
  exist.

  This is likely related to the fact that we allow automatic cascade
  deletes in our IP allocation data model when a subnet is deleted.

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