Storage provision cinder patch
Storage provision cinder patch

Closes-Bug: #1468798
Issue: In a HA setup, after a failover or keepalived restart,
    boot from volume fails.
Fix: Issue is because of a race condition, where the volume is
    already attached and is in 'in-use' state. But cinder
    checks for the volume in 'attaching' state, this causes
    the boot to fail. Fixed it with a patch. The patch needs
    to be applied on all the openstack nodes.

Change-Id: I893a3b25b837663f3205244cf061787f23b9312f

Juniper/contrail-provisioning,Juniper/contrail-provisioning