Ceph

cephadm tasks don't have a cluster log to egrep for ERR|WRN|SEC, e.g:

http://qa-proxy.ceph.com/teuthology/teuthology-2023-10-27_14:23:02-upgrade:pacific-x-quincy-distro-default-smithi/7438907/teuthology.log

2023-10-27T16:06:59.111 DEBUG:teuthology.orchestra.run.smithi150:> sudo egrep '\[ERR\]|\[WRN\]|\[SEC\]' /var/log/ceph/38cc7fce-74d9-11ee-8db9-212e2dc638e7/ceph.log | egrep -v '\(MDS_ALL_DOWN\)' | egrep -v '\(MDS_UP_LESS_THAN_MAX\)' | head -n 1
2023-10-27T16:06:59.141 INFO:teuthology.orchestra.run.smithi150.stderr:grep: /var/log/ceph/38cc7fce-74d9-11ee-8db9-212e2dc638e7/ceph.log: No such file or directory

https://pulpito.ceph.com/teuthology-2023-10-28_14:23:03-upgrade:quincy-x-reef-distro-default-smithi/7439369/

2023-10-28T15:59:53.486 DEBUG:teuthology.orchestra.run.smithi007:> sudo egrep '\[ERR\]|\[WRN\]|\[SEC\]' /var/log/ceph/10bc8c0a-75a0-11ee-8db9-212e2dc638e7/ceph.log | egrep -v '\(MDS_ALL_DOWN\)' | egrep -v '\(MDS_UP_LESS_THAN_MAX\)' | head -n 1
2023-10-28T15:59:53.517 INFO:teuthology.orchestra.run.smithi007.stderr:grep: /var/log/ceph/10bc8c0a-75a0-11ee-8db9-212e2dc638e7/ceph.log: No such file or directory

mon_cluster_log_to_file is not true for the cephadm task.