Optimize klog output(Use klog.KObj(pod) instead of pod)

[yangjunmyfm192085]

What type of PR is this?

/kind cleanup

What this PR does / why we need it:

Optimize log output to avoid printing out redundant information of the pod

Which issue(s) this PR fixes:

Fixes #

Special notes for your reviewer:

Does this PR introduce a user-facing change?

 "NONE"

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

[k8s-ci-robot]

This issue is currently awaiting triage.

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[yangjunmyfm192085]

/cc @carlory

[carlory]

/lgtm
/assign @sanposhiho

[k8s-ci-robot]

LGTM label has been added.

Git tree hash: d97f92ffd92da116782edeca800149e857f0f0e1

[sanposhiho]

/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: sanposhiho, yangjunmyfm192085

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