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

[Chris MacNaughton]

Autopkgtest using this built in a PPA was successful: https://paste.ubuntu.com/p/5xgWjWk3GH/
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https://code.launchpad.net/~chris.macnaughton/ubuntu/+source/ceph/+git/ceph/+merge/436565
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