修改权限
https://blog.csdn.net/shaobingj126/article/details/7031221
问题
Not all processes could be identified, non-owned process info will not be shown, you would have to be root to see it all.
chmod +s /bin/netstat
https://blog.csdn.net/shaobingj126/article/details/7031221
chmod +s /bin/netstat