add logs for proxy server

[zwzhang0107]

Signed-off-by: 佑祎 zzw261520@alibaba-inc.com

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

V. Checklist

• I have written necessary docs and comments
• I have added necessary unit tests and integration tests
• All checks passed in make test

[codecov]

Codecov Report

Merging #329 (f098781) into main (1fa6ec8) will decrease coverage by 0.00%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main     #329      +/-   ##
==========================================
- Coverage   64.92%   64.91%   -0.01%     
==========================================
  Files         116      116              
  Lines       11438    11438              
==========================================
- Hits         7426     7425       -1     
  Misses       3426     3426              
- Partials      586      587       +1     

Flag	Coverage Δ
unittests	64.91% <ø> (-0.01%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
pkg/util/system/common_linux.go	53.84% <0.00%> (-3.85%)	⬇️
pkg/koordlet/runtimehooks/reconciler/reconciler.go	81.05% <0.00%> (+2.10%)	⬆️

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[hormes]

/approve

[koordinator-bot]

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