When we start the ipvsadm service for the first time, we will definitely encounter the following phenomenon: 
In fact, there are the following commands in the ipvsadm service:
every time it starts, it will import the files under the file, but in our directory There is no such file:
So we have to create such a file:
start at this time:
there is no check rule after the start is successful, because the file has no content:
