ERROR Log Observations - CSIT (SG)

The Security Group Impl is reporting some "ERROR" log in 3node tests

REf: https://jenkins.opendaylight.org/releng/view/netvirt/job/netvirt-csit-3node-openstack-liberty-openstack-beryllium/57/artifact/odl1_karaf.log.tar.xz

https://jenkins.opendaylight.org/releng/view/netvirt/job/netvirt-csit-3node-openstack-liberty-openstack-beryllium/57/artifact/odl2_karaf.log.tar.xz

https://jenkins.opendaylight.org/releng/view/netvirt/job/netvirt-csit-3node-openstack-liberty-openstack-beryllium/57/artifact/odl3_karaf.log.tar.xz

Error:
2016-06-17 08:35:37,547 | ERROR | ntDispatcherImpl | SecurityGroupCacheManagerImpl | 259 - org.opendaylight.netvirt.openstack.net-virt - 1.2.4.SNAPSHOT | In processPor
tAdded cachedport port not found in neuton cache: cachedportUuid:6182fa48-12bf-4264-ac79-4e9449848547