[Merge] ~rodrigo-barbieri2010/ubuntu/+source/nova:bug/1821755_stein into ~ubuntu-openstack-dev/ubuntu/+source/nova:stable/stein

[Rodrigo Barbieri]

Thanks Chris. I targeted the cloud-archive project and the stein series. I also linked the bug in this MP.
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https://code.launchpad.net/~rodrigo-barbieri2010/ubuntu/+source/nova/+git/nova/+merge/409020
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