docker把宿主机根目录下的所有目录挂载到容器为什么不能运行？

Question

也不是所有目录了，个别不挂载，按道理说里面也是一个完整的操作系统啊？
我还加了--privileged=true

Answer 1

Which host directory do you want to mount?

Answer 2

If / is mounted to /
it will definitely not run. Only the kernel is the same between the two systems, and the rest may not be the same