batadv_tvlv_handler_unregister
batadv_tvlv_handler_unregister(bat_priv, BATADV_TVLV_DAT, 1);
batadv_tvlv_handler_unregister(bat_priv, BATADV_TVLV_GW, 1);
batadv_tvlv_handler_unregister(bat_priv, BATADV_TVLV_MCAST_TRACKER, 1);
batadv_tvlv_handler_unregister(bat_priv, BATADV_TVLV_MCAST, 2);
batadv_tvlv_handler_unregister(bat_priv, BATADV_TVLV_ROAM, 1);
batadv_tvlv_handler_unregister(bat_priv, BATADV_TVLV_TT, 1);
void batadv_tvlv_handler_unregister(struct batadv_priv *bat_priv,