NSX: fix nonsensical log trace on update port
NSX: fix nonsensical log trace on update port

Having this at a WARN level makes no sense, especially
because the actually message does not say anything about
a warning condition. Probably a brain fart of some sort.
Make it DEBUG, just because it may come handy to see what
data we're passing.

Change-Id: Ie667018faae587a3adb6b3edda4d9912344cae83

klmitch/neutron,openstack/neutron,MaximNevrov/neutron,blueboxgroup/neutron,cloudbase/neutron,beagles/neutron_hacking,sajuptpm/neutron-ipam,cloudbase/neutron-virtualbox,mmnelemane/neutron,wenhuizhang/neutron,vbannai/neutron,alexandrucoman/vbox-neutron-agent,vveerava/Openstack,cernops/neutron,virtualopensystems/neutron,silenci/neutron,mandeepdhami/neutron,openstack/neutron,CiscoSystems/neutron,jacknjzhou/neutron,cloudbase/neutron,glove747/liberty-neutron,dims/neutron,vijayendrabvs/hap,vbannai/neutron,leeseuljeong/leeseulstack_neutron,silenci/neutron,jumpojoy/neutron,swdream/neutron,rdo-management/neutron,bigswitch/neutron,Stavitsky/neutron,NeCTAR-RC/neutron,yamahata/tacker,noironetworks/neutron,projectcalico/calico-neutron,CiscoSystems/neutron,vbannai/neutron,jerryz1982/neutron,eayunstack/neutron,igor-toga/local-snat,gopal1cloud/neutron,skyddv/neutron,yanheven/neutron,huntxu/neutron,antonioUnina/neutron,sasukeh/neutron,javaos74/neutron,bgxavier/neutron,projectcalico/calico-neutron,yamahata/neutron,asgard-lab/neutron,beagles/neutron_hacking,vivekanand1101/neutron,waltBB/neutron_read,vivekanand1101/neutron,aristanetworks/neutron,mahak/neutron,sasukeh/neutron,takeshineshiro/neutron,leeseulstack/openstack,infobloxopen/neutron,bgxavier/neutron,suneeth51/neutron,leeseulstack/openstack,yuewko/neutron,sajuptpm/neutron-ipam,yuewko/neutron,miyakz1192/neutron,dhanunjaya/neutron,adelina-t/neutron,jumpojoy/neutron,alexandrucoman/vbox-neutron-agent,vveerava/Openstack,redhat-openstack/neutron,klmitch/neutron,gkotton/neutron,beagles/neutron_hacking,gkotton/neutron,neoareslinux/neutron,mmnelemane/neutron,wolverineav/neutron,huntxu/neutron,yamahata/tacker,rdo-management/neutron,MaximNevrov/neutron,vijayendrabvs/hap,cloudbase/neutron-virtualbox,Metaswitch/calico-neutron,javaos74/neutron,JioCloud/neutron,neoareslinux/neutron,mattt416/neutron,asgard-lab/neutron,wenhuizhang/neutron,apporc/neutron,suneeth51/neutron,jacknjzhou/neutron,cernops/neutron,bigswitch/neutron,zhhf/charging,antonioUnina/neutron,pnavarro/neutron,barnsnake351/neutron,mattt416/neutron,openstack/neutron,zhhf/charging,Stavitsky/neutron,SamYaple/neutron,eayunstack/neutron,virtualopensystems/neutron,blueboxgroup/neutron,gkotton/neutron,CiscoSystems/neutron,chitr/neutron,paninetworks/neutron,gopal1cloud/neutron,sebrandon1/neutron,pnavarro/neutron,dims/neutron,SmartInfrastructures/neutron,shahbazn/neutron,leeseuljeong/leeseulstack_neutron,mahak/neutron,watonyweng/neutron,JioCloud/neutron,SamYaple/neutron,vijayendrabvs/hap,adelina-t/neutron,yamahata/neutron,glove747/liberty-neutron,magic0704/neutron,Metaswitch/calico-neutron,eonpatapon/neutron,cisco-openstack/neutron,jerryz1982/neutron,infobloxopen/neutron,cisco-openstack/neutron,sebrandon1/neutron,NeCTAR-RC/neutron,virtualopensystems/neutron,paninetworks/neutron,noironetworks/neutron,zhhf/charging,JianyuWang/neutron,skyddv/neutron,apporc/neutron,leeseuljeong/leeseulstack_neutron,vveerava/Openstack,magic0704/neutron,leeseulstack/openstack,eonpatapon/neutron,blueboxgroup/neutron,SmartInfrastructures/neutron,chitr/neutron,JianyuWang/neutron,mahak/neutron,yamahata/neutron,aristanetworks/neutron,watonyweng/neutron,swdream/neutron,miyakz1192/neutron,yamahata/tacker,takeshineshiro/neutron,yanheven/neutron,shahbazn/neutron,redhat-openstack/neutron,waltBB/neutron_read,igor-toga/local-snat,barnsnake351/neutron,wolverineav/neutron,mandeepdhami/neutron,dhanunjaya/neutron,sajuptpm/neutron-ipam