kubelet: increase log level for "Path does not exist" in kubelet_getters

[rphillips]

What type of PR is this?

/kind bug

What this PR does / why we need it:

The issue reports lots of log spam on kubelet_getters.go:300 (line 306 on master). The log line is not set to the proper log level. I'm picking 6 in this case since the log line is not an error, and has questionable debug value.

Which issue(s) this PR fixes:

Fixes #112124

Special notes for your reviewer:

Does this PR introduce a user-facing change?

kubelet: Fix log spam from kubelet_getters.go "Path does not exist"

Additional documentation e.g., KEPs (Kubernetes Enhancement Proposals), usage docs, etc.:

[k8s-ci-robot]

@rphillips: This issue is currently awaiting triage.

If a SIG or subproject determines this is a relevant issue, they will accept it by applying the triage/accepted label and provide further guidance.

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[rphillips]

/priority important-soon

[mrunalp]

/lgtm

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: mrunalp, rphillips

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• pkg/kubelet/OWNERS [mrunalp]

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[rphillips]

/retest-required