socket.error: [Errno 99] Cannot assign requested address
修改这几处：
1、hostname
参考：https://www.cnblogs.com/huhuai/p/9637024.html
2、/root/.jupyter/jupyter_notebook_config.py
c.NotebookApp.ip = '172.31.196.76'
填写本机ip地址
参考：https://blog.csdn.net/qq_33266320/article/details/80949339