When fails to connect, show the error

[sylvestre]

Will help with issue #1938

[Xuanwo]

Thanks!

[codecov-commenter]

Codecov Report

Attention: 2 lines in your changes are missing coverage. Please review.

Comparison is base (16b2034) 29.80% compared to head (e773c0f) 29.69%.
Report is 3 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1952      +/-   ##
==========================================
- Coverage   29.80%   29.69%   -0.11%     
==========================================
  Files          51       51              
  Lines       18904    19155     +251     
  Branches     9076     9242     +166     
==========================================
+ Hits         5635     5689      +54     
- Misses       7890     7975      +85     
- Partials     5379     5491     +112     

Files	Coverage Δ
src/client.rs	4.41% <0.00%> (+0.38%)	⬆️

... and 19 files with indirect coverage changes

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