NATT_DISABLE
if (natt_mode == NATT_DISABLE)
natt_mode = NATT_DISABLE;
if (natt_mode == NATT_DISABLE)
if (env->sc_nattmode != NATT_DISABLE)
if (env->sc_nattmode != NATT_DISABLE)
if (env->sc_nattmode != NATT_DISABLE) {
if ((env->sc_nattmode != NATT_DISABLE) &&