Automatic merge from submit-queue (batch tested with PRs 56161, 56324, 55685, 56409, 55296). 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>.
Do not log trailing whitespace.
**What this PR does / why we need it**:
Gets rid of useless spaces, makes log parser verification slightly
easier.
**Release note**:
```release-note
NONE
```