Comment 0 for bug 1467959

OpenStack have released two point releases to oslo.messaging, resolving a number of rabbitmq and zeromq driver bugs:

1.8.3
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* Adding Publisher Acknowledgements/confirms
* consumer connections not closed properly
* rabbit: Set timeout on the underlying socket
* Updated from global requirements

1.8.2
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* rabbit: add some notes about heartbeat
* Disable and mark heartbeat as experimental
* rabbit: fix ipv6 support
* Fix changing keys during iteration in matchmaker heartbeat
* Add pluggability for matchmakers
* Don't raise Timeout on no-matchmaker results
* Fix the bug redis do not delete the expired keys
* set defaultbranch for reviews

This seems appropriate for SRU without cherry picking back to 1.8.1.