There is no response of deepstream-test1-rtsp-out

Please provide complete information as applicable to your setup.

• Hardware Platform (Jetson / GPU) T4
• DeepStream Version 5.1
• JetPack Version (valid for Jetson only)
The running environment is Docker.

command:python3 deepstream_test1_rtsp_out.py -i /opt/nvidia/deepstream/deepstream/samples/streams/sample_720p.h264

Everything is all right, but the RTSP stream is not generated.
image

When I checked port 8554, there was no result.
command : netstat -lnpt |grep 8554

The sample app has been tested before it is released and it can generate rtsp stream in our T4 server. Please check your network.

The following is my test result when running the sample app.
netstat -lntp | grep 8554
(Not all processes could be identified, non-owned process info
will not be shown, you would have to be root to see it all.)
tcp 0 0 0.0.0.0:8554 0.0.0.0:* LISTEN

I sloved. Docker needs to map port 8554 to the host