It's also failing in the nova-live-migration job so it's not about grenade, it's about the script at nova/tests/live_migration/hooks/ceph:
http://logs.openstack.org/17/639017/8/check/nova-live-migration/87084aa/logs/devstack-gate-post_test_hook.txt.gz#_2019-03-13_14_34_20_967
It's also failing in the nova-live-migration job so it's not about grenade, it's about the script at nova/tests/ live_migration/ hooks/ceph:
http:// logs.openstack. org/17/ 639017/ 8/check/ nova-live- migration/ 87084aa/ logs/devstack- gate-post_ test_hook. txt.gz# _2019-03- 13_14_34_ 20_967