* refs/pull/39726/head:
mgr/cephadm: document ok_to_stop output argument for clarity
mgr/DaemonServer: make warning language a bit friendlier
mgr/cephadm/upgrade: improve language a bit
mgr/cephadm/upgrade: restart multiple osds at once
mgr/cephadm: gather other osds that are safe to stop
mgr/cephadm: optional pass 'known' through to ok_to_stop
mgr/cephadm/upgrade: log start/stop/pause/resume