Replace "prt" variable by "port"
Replace "prt" variable by "port"

the local variable prt is meaningless,
and port is used popular.

Change-Id: I20849102cf5b4d84433c46791b4b1e2a22dc4739

dhanunjaya/neutron,yanheven/neutron,mahak/neutron,swdream/neutron,swdream/neutron,asgard-lab/neutron,cloudbase/neutron,dims/neutron,openstack/neutron,skyddv/neutron,MaximNevrov/neutron,yanheven/neutron,vivekanand1101/neutron,sasukeh/neutron,eayunstack/neutron,chitr/neutron,chitr/neutron,klmitch/neutron,noironetworks/neutron,wolverineav/neutron,mahak/neutron,sebrandon1/neutron,glove747/liberty-neutron,bigswitch/neutron,JianyuWang/neutron,eayunstack/neutron,SamYaple/neutron,noironetworks/neutron,shahbazn/neutron,jumpojoy/neutron,bigswitch/neutron,mmnelemane/neutron,huntxu/neutron,wolverineav/neutron,asgard-lab/neutron,silenci/neutron,takeshineshiro/neutron,openstack/neutron,huntxu/neutron,mmnelemane/neutron,silenci/neutron,apporc/neutron,mahak/neutron,sebrandon1/neutron,jumpojoy/neutron,JianyuWang/neutron,skyddv/neutron,takeshineshiro/neutron,openstack/neutron,vivekanand1101/neutron,mattt416/neutron,shahbazn/neutron,dhanunjaya/neutron,apporc/neutron,igor-toga/local-snat,klmitch/neutron,dims/neutron,sasukeh/neutron,igor-toga/local-snat,mattt416/neutron,cloudbase/neutron,MaximNevrov/neutron,SamYaple/neutron,glove747/liberty-neutron