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[Launchpad Bug Tracker <1567843@xxxxxxxxxxxxxxxxxx>]

[Expired for OpenStack Compute (nova) because there has been no activity
for 60 days.]

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

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https://bugs.launchpad.net/bugs/1567843

Title:
  When  VM creat failed, do not unplug-ports

Status in OpenStack Compute (nova):
  Expired

Bug description:
  When  VM create failed (such as  "_create_domain" execute failed),  do
  not unplug-ports.   This bug hit all release/branch.

  When create the VM, It will update network-info at the process "update_instance_cache_with_nw_info".
  But It only update the data in Data-base. the InstanceInfoCache of the local variable(instance) do not be updated.

  If the VM is created failed at process "libvirt.driver._create_domain".
  when shutdown the instance,it can not get  the correct network information
  So can not unplug-vif correctlly, there are some information is left

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