openstack-nova-compute.service 启动不了

root@compute ~]# systemctl restart libvirtd openstack-nova-compute.service 启动不了

2019-05-31 11:30:44.767 11688 WARNING nova.conductor.api [req-da51919d-69dc-46ba-b680-7a3092cf854c - - - - -] Timed out waiting for nova-conductor.  Is it running? Or did this service start before nova-conductor?  Reattempting establishment of nova-conductor connection...
2019-05-31 11:31:44.782 11688 WARNING nova.conductor.api [req-da51919d-69dc-46ba-b680-7a3092cf854c - - - - -] Timed out waiting for nova-conductor.  Is it running? Or did this service start before nova-conductor?  Reattempting establishment of nova-conductor connection...

一般来说 WARNING信息对结果没什么影响
这里提示检查 nova-conductor是否运行 可以把该服务启动起来