[devstack] Restart nova compute before checking hypervisor stats
[devstack] Restart nova compute before checking hypervisor stats

Nova compute may fail if it was unable to fetch nodes list from Ironic
during startup. This change makes sure we restart it.

Change-Id: Ibddd34faa0eeb9b42fe0e8d73f14907b1df11734
Closes-Bug: #1537076

dims/ironic,bacaldwell/ironic,pshchelo/ironic,dims/ironic,bacaldwell/ironic,ionutbalutoiu/ironic,NaohiroTamura/ironic,SauloAislan/ironic,openstack/ironic,pshchelo/ironic,SauloAislan/ironic,ionutbalutoiu/ironic,NaohiroTamura/ironic,devananda/ironic,openstack/ironic