delete_tunnel
DEFINE_EVENT(tunnel_only_evt, delete_tunnel,
delete_tunnel(IP6TNL_TUNL_DEV0, IP6TNL_TUNL_DEV1);
delete_tunnel(GRE_TUNL_DEV0, GRE_TUNL_DEV1);
delete_tunnel(IP6GRE_TUNL_DEV0, IP6GRE_TUNL_DEV1);
delete_tunnel(ERSPAN_TUNL_DEV0, ERSPAN_TUNL_DEV1);
delete_tunnel(IP6ERSPAN_TUNL_DEV0, IP6ERSPAN_TUNL_DEV1);
delete_tunnel(GENEVE_TUNL_DEV0, GENEVE_TUNL_DEV1);
delete_tunnel(IP6GENEVE_TUNL_DEV0, IP6GENEVE_TUNL_DEV1);