void virtio_device_set_child_bus_name(VirtIODevice *vdev, char *bus_name)
{
    g_free(vdev->bus_name);
    vdev->bus_name = g_strdup(bus_name);
}

void virtio_device_set_child_bus_name(VirtIODevice *vdev, char *bus_name)
{
    g_free(vdev->bus_name);
    vdev->bus_name = g_strdup(bus_name);
}
