Cherry pick 535a212 onto 1.20 - Fix logging level

[nitrag]

Cherry picks 535a212 so that we have an appropriate log level

Used commands:

git clone nitrag/autoscaler
git checkout -b backport-535a212-1.20 upstream/cluster-autoscaler-release-1.20
git cherry-pick 535a21263e77d92778043cd39d1c4f2845748424 
git push --set-upstream origin backport-535a212-1.20

[Jeffwan]

/lgtm

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: feiskyer, Jeffwan, nitrag

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