Added test for creating ip address with invalid port_id
Added test for creating ip address with invalid port_id

alanquillin/quark,roaet/quark,jkoelker/quark,alanquillin/quark,blamarvt/quark,roaet/quark,rackerlabs/quark,insequent/quark,lmaycotte/quark,insequent/quark,Cerberus98/quark,asadoughi/quark,Cerberus98/quark,rackerlabs/quark,asadoughi/quark,lmaycotte/quark