Fix: Errors in network interface manipulation were invisible

[hoh]

Solution: Always use check=True to force errors in subprocess.run to raise an error.

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 3 lines in your changes are missing coverage. Please review.

Project coverage is 34.57%. Comparing base (b497e9a) to head (5d6f13d).

Files	Patch %	Lines
src/aleph/vm/network/interfaces.py	0.00%	3 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #566   +/-   ##
=======================================
  Coverage   34.57%   34.57%           
=======================================
  Files          52       52           
  Lines        4772     4772           
  Branches      558      558           
=======================================
  Hits         1650     1650           
  Misses       3104     3104           
  Partials       18       18           

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[github-actions]

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