IP is not created after restoring the ODL backup data

Steps:
・Create VM from OpenStack.
・Check under the snapshot and journal directories of ODL1, ODL2 and ODL3, and take the snapshot, journal from the machine with the latest time stamp.
・Stop ODL and all clear the contents under snapshot and journal directories.
・Restore the snapshot and journal on the machine from where it was retrieved and also on another machine (total two), and start ODL.
・You can create new VM after restore.

Observation:
Out of 5 times, 3 times IP wasn't assigned to the VM which was created after restoring.