Comment 14 for bug 1650646

@Jainesh Nand
Please try the proposed fix and let us know if it resolves the issue. You will need to:
1. change /usr/lib/python2.7/site-packages/nailgun/objects/node.py as in the following review https://review.openstack.org/414664
2. restart nailgun (systemctl restart nailgun)
3. reboot bootstrapped nodes