Fixes bug 957708.
Fixes bug 957708.

Work around bug in netaddr 0.7.5
https://github.com/drkjam/netaddr/issues/2

Change-Id: I3e064860c3865d5029481e6d63c5284d275a0081

sileht/deb-openstack-nova,eneabio/nova,sileht/deb-openstack-nova,yrobla/nova,yrobla/nova,sileht/deb-openstack-nova,eneabio/nova,eneabio/nova,yrobla/nova