releasenotes/notes/bug-1978444-db46df5f3d5ea19e.yaml


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---
fixes:
  - |
    `Bug #1978444 <https://bugs.launchpad.net/nova/+bug/1978444>`_: Now nova
    retries deleting a volume attachment in case Cinder API returns
    ``504 Gateway Timeout``. Also, ``404 Not Found`` is now ignored and
    leaves only a warning message.