Issue 9478: Diagnose expose on peek error

[Lyndon-Li]

Fix issue #9478, add diagnose info on expose peek fails

[codecov]

Codecov Report

❌ Patch coverage is 89.47368% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 60.53%. Comparing base (1feaafc) to head (e703e06).
⚠️ Report is 5 commits behind head on main.

Files with missing lines	Patch %	Lines
pkg/util/kube/pod.go	60.00%	1 Missing and 1 partial ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #9481   +/-   ##
=======================================
  Coverage   60.53%   60.53%           
=======================================
  Files         386      386           
  Lines       36355    36370   +15     
=======================================
+ Hits        22007    22018   +11     
- Misses      12769    12771    +2     
- Partials     1579     1581    +2     

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