Changelog:
6bdaa9e cephadm: support adding hosts with ipv6
0097cb0 cephadm: use public_network when adding hosts
041e8b0 cephadm-adopt: remove logrotate configuration
19dadc9 update: move a set_fact
8f64826 update: support --limit on monitor nodes
a752edb Revert "update: block upgrade when nfs+rgw is deployed"
f7d67f7 rolling_update: modify default health_osd_check_*