Jetson nano install deepstream5.1 failed

DeepStream Getting Started | NVIDIA Developer 根据官网安装

the end.
$ deepstream-app

There is no update from you for a period, assuming this is not an issue any more.
Hence we are closing this topic. If need further support, please open a new one.
Thanks

The error log show miss library. Can you search if the missed library exist on you system?