Merge PR #30826 into master

* refs/pull/30826/head:
	ceph-daemon: deploy: behave when crash keyring isn't provided
	ceph-daemon: simplify calls from rm_cluster
	ceph-daemon: explicitly wait for mon to start
	ceph-daemon: bootstrap finish message
	ceph-daemon: shell: LANG=C
	ceph-daemon: verify mon IP is valid before continuing
	ceph-daemon: cleanly capture stdout, err; log
	ceph-daemon: --debug for more log detail
	test_ceph_daemon: default to test on 127.0.0.1; accept ip as arg
	ceph-daemon: bootstrap: assimilate and minimize input config file

Reviewed-by: Josh Durgin <jdurgin@redhat.com>