Next steps of a cleanup of the cloud layer are:
- stop doing normalization of floating ips in case of neutron
- stop inheriting from _normalize in the floating_ip class (move 2
required functions locally). Soon this is going to be reworked in
favor of making better object support for those still using nova
networking
Change-Id: If67c2f8b78240c03f86daefcf0f472502821365a
2267d458bb