enhance: optimize error log message for list policy

[shaoting-huang]

related: #41250

[mergify]

@shaoting-huang

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 80.59%. Comparing base (9ce3e3c) to head (c2fcb55).
Report is 22 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master   #41251      +/-   ##
==========================================
+ Coverage   80.36%   80.59%   +0.22%     
==========================================
  Files        1484     1475       -9     
  Lines      211989   209724    -2265     
==========================================
- Hits       170359   169017    -1342     
+ Misses      35472    34587     -885     
+ Partials     6158     6120      -38     

Components	Coverage Δ
Client	79.59% <ø> (ø)
Core	72.32% <ø> (+2.00%)	⬆️
Go	82.01% <100.00%> (-0.16%)	⬇️

Files with missing lines	Coverage Δ
internal/rootcoord/root_coord.go	86.73% <100.00%> (-1.88%)	⬇️

... and 109 files with indirect coverage changes

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[weiliu1031]

/lgtm

[tedxu]

/lgtm
/approve

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