bridge_set_if_up
if (bridge_set_if_up(bif->bif_name, 1) < 0)
if (bridge_set_if_up(bif->bif_name, 1) < 0)
bridge_set_if_up(bif->bif_name, 0);
bridge_set_if_up(bif->bif_name, 1);
if (up == 1 && (bridge_set_if_up(b_name, 1) < 0))
int bridge_set_if_up(const char* b_name, int8_t up);