Comment 3 for bug 1748123

MP for the badtest to unblock the others in b-proposed for now [1].
@James / Corey - please take a look and ack there if ok with you, so that a release team member can merge it.

[1]: https://code.launchpad.net/~paelzer/britney/hints-ubuntu-mask-nova-for-oslo-policy-deprecation/+merge/337331