SKB_DROP_REASON_SUBSYS_OPENVSWITCH
drop_reasons_register_subsys(SKB_DROP_REASON_SUBSYS_OPENVSWITCH,
drop_reasons_unregister_subsys(SKB_DROP_REASON_SUBSYS_OPENVSWITCH);
__OVS_DROP_REASON = SKB_DROP_REASON_SUBSYS_OPENVSWITCH <<