Automatic merge from submit-queue (batch tested with PRs 59391, 58097, 60057, 60090). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

Add IPv6 to command options.

**What this PR does / why we need it**:
This PR adds IPv6 information to the descriptions for several command options.

[Related PR in kubernetes/website](https://github.com/kubernetes/website/pull/6498)

**Release note**:

```release-note
NONE
```