Deepstream5.0.1 dynamically adds cameras, but when a bad rtsp source is added, the pipeline will not be able to pull the stream

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Yes, when I add a bad rtsp source, all output fps becomes 0, even if I dynamically delete the bad rtsp source immediately after adding it ，I feel that the problem I encountered is the same as the link below ,but in the end it was not resolved
Releasing nvstreammux request pad blocked when input an invalid rtsp url - Intelligent Video Analytics / DeepStream SDK - NVIDIA Developer Forums