Add counter for number of packets per vif
Add counter for number of packets per vif

Change-Id: Ie1ef833998f4e706a2292614fbac33ec409bfe70
Signed-off-by: Julien Danjou <5c682c2d1ec4073e277f9ba9f4bdf07e5794dabe@danjou.info>

pkilambi/ceilometer,tanglei528/ceilometer,citrix-openstack-build/ceilometer,rickerc/ceilometer_audit,isyippee/ceilometer,shootstar/ctest,dreamhost/ceilometer,Juniper/ceilometer,ityaptin/ceilometer,froyobin/ceilometer,openstack/aodh,rackerlabs/instrumented-ceilometer,mathslinux/ceilometer,m1093782566/openstack_org_ceilometer,maestro-hybrid-cloud/ceilometer,NeCTAR-RC/ceilometer,chungg/aodh,redhat-openstack/ceilometer,eayunstack/ceilometer,JioCloud/ceilometer,sileht/aodh,dreamhost/ceilometer,rackerlabs/instrumented-ceilometer,JioCloud/ceilometer,fabian4/ceilometer,ityaptin/ceilometer,NeCTAR-RC/ceilometer,shootstar/ctest,citrix-openstack-build/ceilometer,froyobin/ceilometer,pczerkas/aodh,openstack/ceilometer,chungg/aodh,cernops/ceilometer,idegtiarov/ceilometer,r-mibu/ceilometer,rickerc/ceilometer_audit,cernops/ceilometer,tanglei528/ceilometer,isyippee/ceilometer,tanglei528/ceilometer,luogangyi/Ceilometer-oVirt,idegtiarov/ceilometer,sileht/aodh,redhat-openstack/ceilometer,eayunstack/ceilometer,rickerc/ceilometer_audit,Juniper/ceilometer,pczerkas/aodh,MisterPup/Ceilometer-Juno-Extension,r-mibu/ceilometer,pkilambi/ceilometer,openstack/ceilometer,rackerlabs/instrumented-ceilometer,citrix-openstack-build/ceilometer,MisterPup/Ceilometer-Juno-Extension,maestro-hybrid-cloud/ceilometer,m1093782566/openstack_org_ceilometer,openstack/aodh,luogangyi/Ceilometer-oVirt,mathslinux/ceilometer,NeCTAR-RC/ceilometer,fabian4/ceilometer,JioCloud/ceilometer