Fix broken variable reference in traffic capture

[peternied]

Description

Fix broken variable reference in traffic capture

Check List

• New functionality includes testing
  • All tests pass, including unit test, integration test and doctest
• New functionality has been documented
• Commits are signed per the DCO using --signoff

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 72.12%. Comparing base (26a74b4) to head (f8c3225).
Report is 5 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff              @@
##               main     #925      +/-   ##
============================================
- Coverage     74.51%   72.12%   -2.40%     
+ Complexity     1961     1869      -92     
============================================
  Files           343      346       +3     
  Lines         13555    13641      +86     
  Branches        786      786              
============================================
- Hits          10101     9839     -262     
- Misses         2964     3347     +383     
+ Partials        490      455      -35     

Flag	Coverage Δ
gradle-test	65.64% <ø> (-3.36%)	⬇️
python-test	88.60% <ø> (+0.01%)	⬆️

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