Automatic merge from submit-queue (batch tested with PRs 51425, 51404, 51459, 51504, 51488)
Use glog instaed of fmt.Printf
Signed-off-by: sakeven <jc5930@sina.cn>
**What this PR does / why we need it**:
The log `fmt.Printf` produces is inconsistent with `glog`.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #
**Special notes for your reviewer**:
**Release note**:
```
NONE
```
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