MPLS OVS dataplane: Fix bug due to default route reception
MPLS OVS dataplane: Fix bug due to default route reception

openstack/networking-bagpipe-l2,openstack/networking-bagpipe-l2,openstack/networking-bagpipe,stackforge/networking-bagpipe-l2,stackforge/networking-bagpipe-l2,openstack/networking-bagpipe