Comment 19 for bug 1827521

ceph-mgr and restful plugin are restarted by mgr-restful-plugin because of a missing liveness request:

2019-05-03 07:12:00.465 7fdf1ae49700 0 log_channel(audit) log [DBG] : from='mon.0 192.168.204.3:0/84215' entity='mon.controller-0' cmd=[{"prefix": "osd df", "output_method": "tree", "format": "json"}]: dispatch
2019-05-03 07:12:00.465 7fdf1ae49700 1 mgr.server reply handle_command (0) Success
2019-05-03 07:12:00.542 7fdf1b64a700 1 mgr[restful] Unknown request '140596180385936:0'
2019-05-03 07:12:01.534 7fdf2a784700 1 mgr send_beacon active

then

2019-05-03 07:12:26.038 7fdf2e78c700 -1 received signal: Terminated from /usr/bin/python /etc/init.d/mgr-restful-plugin start (PID: 119438) UID: 0
2019-05-03 07:12:26.038 7fdf2e78c700 -1 mgr handle_signal *** Got signal Terminated ***
2019-05-03 07:12:35.426 7f5ecbe17380 0 ceph version 13.2.2 (67ecc2fbbca4f602f1172fa8e561b813eb564df5) mimic (stable), process ceph-mgr, pid 190485

This is caused by a synchronization issue in ceph-mgr. See https://github.com/starlingx-staging/stx-ceph/pull/29