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[OpenStack Infra <1555320@xxxxxxxxxxxxxxxxxx>]

Reviewed:  https://review.openstack.org/382195
Committed: https://git.openstack.org/cgit/openstack/nova/commit/?id=f085fbd7d3bfdf016a37ccc7e6e28786425f0e4e
Submitter: Jenkins
Branch:    master

commit f085fbd7d3bfdf016a37ccc7e6e28786425f0e4e
Author: Timofey Durakov <tdurakov@xxxxxxxxxxxx>
Date:   Tue Oct 4 16:42:09 2016 +0300

    Change log level to debug for migrations pairing
    
    For resize/cold-migration it's possible that instance
    already changed host to destination, but no confirm/revert
    has happened yet. In that case resource tracked starts spamming
    errors, because it's impossible to match migration and instance.
    It's safe to lower log level to debug in that case.
    
    Change-Id: I70cb7426e0e2849ee7d01205ce7b2d883a126d66
    Closes-Bug: #1555320


** Changed in: nova
       Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/1555320

Title:
  "Migration for instance 0763227e-e192-4e0b-a49d-0ea0b181fca6 refers to
  another host's instance!" should not be an error

Status in OpenStack Compute (nova):
  Fix Released

Bug description:
  This happens in a periodic task after migrations complete:

  http://logs.openstack.org/15/290715/1/check/gate-tempest-dsvm-
  multinode-
  full/03f92ff/logs/screen-n-cpu.txt.gz?level=INFO#_2016-03-09_18_09_00_775

  http://logs.openstack.org/15/290715/1/check/gate-tempest-dsvm-
  multinode-
  full/03f92ff/logs/screen-n-cpu.txt.gz?level=INFO#_2016-03-09_18_09_01_748

  It shouldn't be an error log since it's normal, see how many times it
  hits in multinode gate runs:

  http://logstash.openstack.org/#dashboard/file/logstash.json?query=message%3A%5C%22Migration%20for%20instance%5C%22%20AND%20message%3A%5C%22refers%20to%20another%20host's%20instance!%5C%22%20AND%20tags%3A%5C%22screen-n-cpu.txt%5C%22&from=7d

  There are over 2500 hits in 7 days on this error message.

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