Comment 4 for bug 1813216

Looking at the job in pike, nova-compute would run with nova.conf rather than nova-cpu.conf:

http://logs.openstack.org/11/627011/2/check/legacy-grenade-dsvm-neutron-multinode-live-migration/6e4c69c/logs/new/screen-n-cpu.txt.gz#_2019-01-07_14_12_37_218

2019-01-07 14:12:37.218 19245 DEBUG oslo_service.service [req-8874018b-41f7-4799-b7cf-a57d8a5f0367 - -] command line args: ['--config-file', '/etc/nova/nova.conf'] log_opt_values /usr/local/lib/python2.7/dist-packages/oslo_config/cfg.py:2863

There actually isn't a nova-cpu.conf in that job:

http://logs.openstack.org/11/627011/2/check/legacy-grenade-dsvm-neutron-multinode-live-migration/6e4c69c/logs/etc/nova/