fix: print error if deployment start fails

[hugocaillard]

Description

Slightly improve log following #1478

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 2 lines in your changes missing coverage. Please review.

Project coverage is 40.87%. Comparing base (a80e4b5) to head (f265813).

Files	Patch %	Lines
...omponents/stacks-network/src/chains_coordinator.rs	0.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1487      +/-   ##
==========================================
+ Coverage   40.86%   40.87%   +0.01%     
==========================================
  Files          87       87              
  Lines       32368    32369       +1     
==========================================
+ Hits        13226    13230       +4     
+ Misses      19142    19139       -3     

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