neutron/orphaned_ports.py: initial commit
neutron/orphaned_ports.py: initial commit

The neutron/orphaned_ports.py script is a tool to search the neutron
database to determine if there are ports that exist in neutron who
belong to keystone tenants that no longer exist.

Change-Id: I04c3218bb745efa7182e9eb032a65c83119a2299

openstack/osops-tools-contrib,openstack/osops-tools-contrib,openstack/osops-tools-contrib,openstack/osops-tools-contrib