当我启动 Ubuntu 18.04 时，寄存器中出现此错误：
uvcvideo: Failed to query (GET_INFO) UVC control 4 on unit 2: -32 (exp. 1).
uvcvideo: Failed to query (GET_INFO) UVC control 4 on unit 2: -32 (exp. 1).
uvcvideo: Failed to query (GET_INFO) UVC control 4 on unit 2: -32 (exp. 1).
我的网络摄像头运行正常。
出现此消息的原因可能是什么？