[BUG] Fixed some error messages

[ls-2018]

Ⅰ. Describe what this PR does

Ⅱ. Does this pull request fix one issue?

Ⅲ. Describe how to verify it

Ⅳ. Special notes for reviews

[codecov-commenter]

Codecov Report

Merging #1429 (86849f3) into master (81b5d52) will decrease coverage by 0.04%.
The diff coverage is 18.75%.

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@@            Coverage Diff             @@
##           master    #1429      +/-   ##
==========================================
- Coverage   48.27%   48.24%   -0.04%     
==========================================
  Files         153      153              
  Lines       21493    21501       +8     
==========================================
- Hits        10376    10373       -3     
- Misses       9979     9988       +9     
- Partials     1138     1140       +2     

Flag	Coverage Δ
unittests	48.24% <18.75%> (-0.04%)	⬇️

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Files	Coverage Δ
...bemarker/validating/probe_create_update_handler.go	52.20% <18.75%> (-2.77%)	⬇️

... and 1 file with indirect coverage changes

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[zmberg]

/lgtm

[zmberg]

/approve

[kruise-bot]

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