neutron vpn received a port u pdate() for a network without a provider extension augmentation or with an unsupported network type for the port

2017-11-08 13:39:11,975 | ERROR | eChangeHandler-0 | NeutronPortChangeListener | 364 - org.opendaylight.netvirt.neutronvpn-impl - 0.4.2.Carbon-redhat-2 | neutron vpn received a port u
pdate() for a network without a provider extension augmentation or with an unsupported network type for the port 596872e6-de9c-476a-bb87-dbe06e9cb643 which is part of network Network{getName
=s_rally_50fa15f7_pRWxBSwG, getRevisionNumber=7, getTenantId=Uuid [_value=915ad0c1-eab7-4eca-a7f0-0592d6fb346e], getUuid=Uuid [_value=50a1a6a1-813f-4df3-8f16-c44e0000c35f], isAdminStateUp=tr
ue, isShared=false, augmentations={interface org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.provider.ext.rev150712.NetworkProviderExtension=NetworkProviderExtension{}, interface org.o
pendaylight.yang.gen.v1.urn.opendaylight.neutron.l3.ext.rev150712.NetworkL3Extension=NetworkL3Extension

}}