Allow p2p to run on all networks except Mainnet

[IronGauntlets]

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[codecov]

Codecov Report

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

Project coverage is 75.63%. Comparing base (8ca9307) to head (2b12db6).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
node/node.go	0.00%	1 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2241      +/-   ##
==========================================
- Coverage   75.70%   75.63%   -0.08%     
==========================================
  Files         104      104              
  Lines       11102    11102              
==========================================
- Hits         8405     8397       -8     
- Misses       2067     2073       +6     
- Partials      630      632       +2     

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