BATADV_FULL_DUPLEX
hard_iface->bat_v.flags |= BATADV_FULL_DUPLEX;
hard_iface->bat_v.flags &= ~BATADV_FULL_DUPLEX;
hard_iface->bat_v.flags |= BATADV_FULL_DUPLEX;
hard_iface->bat_v.flags &= ~BATADV_FULL_DUPLEX;
!(if_incoming->bat_v.flags & BATADV_FULL_DUPLEX))