path = udev_list_entry_get_name (dev_list_entry);
dev = udev_device_new_from_syspath (handle_udev, path);
devpath = udev_device_get_devnode (dev);
path = udev_list_entry_get_name (dev_list_entry);
dev = udev_device_new_from_syspath (handle_udev, path);
devpath = udev_device_get_devnode (dev);