Optimize IPConflictDetection to fix syscall fails to receive ARP resp…

[cyclinder]

…onses

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Notice:

• unite test or E2E test
• do not forget essential code comment and log
• document for the PR
• release note label
  "release/none"
  "release/bug"
  "release/feature"
• read about Contribution notice: https://spidernet-io.github.io/spiderpool/latest/develop/contributing/

What issue(s) does this PR fix:

Fixes #5049

Special notes for your reviewer:

Release note:

[codecov]

Codecov Report

❌ Patch coverage is 0% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 78.85%. Comparing base (9bf2d04) to head (e00c384).
⚠️ Report is 1 commits behind head on release-v1.0.

Files with missing lines	Patch %	Lines
cmd/spiderpool/cmd/command_add.go	0.00%	0 Missing and 1 partial ⚠️

❌ Your patch status has failed because the patch coverage (0.00%) is below the target coverage (60.00%). You can increase the patch coverage or adjust the target coverage.

Additional details and impacted files

@@               Coverage Diff                @@
##           release-v1.0    #5066      +/-   ##
================================================
+ Coverage         75.43%   78.85%   +3.41%     
================================================
  Files                56       55       -1     
  Lines              6856     6536     -320     
================================================
- Hits               5172     5154      -18     
+ Misses             1470     1166     -304     
- Partials            214      216       +2     

Flag	Coverage Δ
unittests	78.85% <0.00%> (+3.41%)	⬆️

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

Files with missing lines	Coverage Δ
cmd/spiderpool/cmd/cni_types.go	100.00% <ø> (ø)
cmd/spiderpool/cmd/command_add.go	68.25% <0.00%> (ø)

... and 2 files with indirect coverage changes

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