New comment by ruantu on void-packages repository

https://github.com/void-linux/void-packages/pull/32625#issuecomment-903232187

Comment:
> > The Github CI environment does not support ipv6, results in the following error:
> 
> If tests work on your machine, you can skip them in CI with
> 
> ```
> make_check=ci-skip # reason
> ```

OK, I have modified.