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[Ran Ziv <ran@xxxxxxxxxxxxxx>]

Public bug reported:

When attempting to connect multiple security groups to a single server
concurrently, some of the security groups may not actually get connected
despite the call returning successfully and with no error.

I've been able to reproduce this by issuing two different
"server.add_security_group" calls (using the Nova python client)
concurrently - while most of the time both security groups will get
connected, sometimes only one does (and it's not necessarily the same
one every time)

** Affects: nova
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1417975

Title:
  problem when connecting multiple security-groups to server
  concurrently

Status in OpenStack Compute (Nova):
  New

Bug description:
  When attempting to connect multiple security groups to a single server
  concurrently, some of the security groups may not actually get
  connected despite the call returning successfully and with no error.

  I've been able to reproduce this by issuing two different
  "server.add_security_group" calls (using the Nova python client)
  concurrently - while most of the time both security groups will get
  connected, sometimes only one does (and it's not necessarily the same
  one every time)

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