fix active flag in udp relay and udp copy

[zh-jq-b]

No description provided.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 51.39%. Comparing base (6c1cabb) to head (8728b0d).
Report is 2 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #400      +/-   ##
==========================================
+ Coverage   51.31%   51.39%   +0.07%     
==========================================
  Files        1091     1091              
  Lines       99769    99773       +4     
==========================================
+ Hits        51199    51274      +75     
+ Misses      48570    48499      -71     

Flag	Coverage Δ
g3proxy	51.39% <100.00%> (+0.07%)	⬆️
lib	25.29% <0.00%> (-0.01%)	⬇️

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