Avoid shadowing the method's port argument
Avoid shadowing the method's port argument

No wonder we're all confused about the difference between a port
object from the DB and one from the REST API.

TrivialFix

Change-Id: I25392ced76cd644ae867a8ffca03a9b82a239326

bigswitch/neutron,bigswitch/neutron,igor-toga/local-snat,sebrandon1/neutron,mahak/neutron,mahak/neutron,mahak/neutron,openstack/neutron,eayunstack/neutron,openstack/neutron,eayunstack/neutron,cloudbase/neutron,cloudbase/neutron,sebrandon1/neutron,huntxu/neutron,igor-toga/local-snat,noironetworks/neutron,noironetworks/neutron,huntxu/neutron,openstack/neutron