Work around GH#4541

[gpotter2]

fixes #4541

[codecov]

Codecov Report

Attention: Patch coverage is 50.00000% with 2 lines in your changes missing coverage. Please review.

Project coverage is 81.61%. Comparing base (2ae46b7) to head (c76feb8).
Report is 1 commits behind head on master.

Files with missing lines	Patch %	Lines
scapy/arch/linux/rtnetlink.py	50.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #4560      +/-   ##
==========================================
- Coverage   81.61%   81.61%   -0.01%     
==========================================
  Files         356      356              
  Lines       85540    85544       +4     
==========================================
+ Hits        69817    69819       +2     
- Misses      15723    15725       +2     

Files with missing lines	Coverage Δ
scapy/arch/linux/rtnetlink.py	91.81% <50.00%> (-0.74%)	⬇️

... and 3 files with indirect coverage changes