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["bailin.zhang" <bailin.zhang@xxxxxxxxxxx>]

** Changed in: nova
       Status: New => Invalid

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https://bugs.launchpad.net/bugs/1578520

Title:
  attache many port as soon as possible, some ports was lost in
  "instance_info_caches"

Status in OpenStack Compute (nova):
  Invalid

Bug description:
  In version mitaka

  for example:
  1. a VM has two ports.
  2. create two new ports
  3. attach new ports to VM as  soon as possible
  4. the two new ports were attached to the VM,but there are only three ports in the "network_info" of table "instance_info_caches"

  
  Detail infomation: http://paste.openstack.org/show/496176/

  When attach a port , the update of table "instance_info_caches"  is delayed.
  attach another port quickly,  the current instance_info_caches do not has the first port.  the first port is lost.

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