Automatic merge from submit-queue (batch tested with PRs 61546, 61038, 61575, 60779, 61496). 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>.

Use random port to avoid conflict with other important pods that might be listening on 80.

**What this PR does / why we need it**:
Fix https://github.com/kubernetes/kubernetes/issues/61018

**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes # https://github.com/kubernetes/kubernetes/issues/61018

**Special notes for your reviewer**:

**Release note**:

```release-note
None.
```
@smarterclayton