Merge PR #67657 into reef

* refs/pull/67657/head:
	reef: qa: ignore spurious warnings
	reef: qa: workaround pacific OSDs sending SERVER_REEF feature bits
	reef: qa: allow deploying previous releases with reef cephadm
	reef: qa: use only ubuntu 20.04 for pacific-x
	reef: qa: restore non-container distros for upgrade suites
	reef: qa: use tagged versions of quincy/pacific

Reviewed-by: Yuri Weinstein <yweins@redhat.com>
Reviewed-by: Casey Bodley <cbodley@redhat.com>