Comment 1 for bug 1766543

Also, nova-scheduler or nova-api-os-compute will log the following lines (a few times per minute) while this is happening :

Apr 23 07:24:47 juju-8c74e6-4-lxd-7 nova-scheduler[15786]: 2018-04-23 07:24:47.785 15786 DEBUG nova.servicegroup.drivers.db [req-1573c400-116c-4825-b108-3291a014b0e9 bc0ab055427645aca4ed09266e85b1db 1cb457a8302543fea067e5f14b5241e7 - - -] Seems service nova-compute on host hostname is down. Last heartbeat was 2018-04-23 07:22:56. Elapsed time is 111.785844 is_up /usr/lib/python2.7/dist-packages/nova/servicegroup/drivers/db.py:82