[Merge] ~chris.macnaughton/ubuntu/+source/ceph:ubuntu/lunar into ~ubuntu-server-dev/ubuntu/+source/ceph:ubuntu/lunar

[Chris MacNaughton]

I am working on this in a PPA as well, incidentally it failed to build, so digging into that now!
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https://code.launchpad.net/~chris.macnaughton/ubuntu/+source/ceph/+git/ceph/+merge/436565
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