
Automatic merge from submit-queue (batch tested with PRs 67493, 67617, 67582, 67337). 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>. Tolerate nil input in GetValueFromIntOrPercent **What this PR does / why we need it**: `GetValueFromIntOrPercent` accepts pointer argument but does not validate it. This PR fixes that problem preventing from panics. /assign @deads2k @sttts **Release note**: ```release-note NONE ```