[Draft Pull Request] Proof of concept Mac utun support

[mbUSC]

Resolves #4049

[codecov[bot]]

Codecov Report

Merging #4100 (8af2e41) into master (f37c402) will increase coverage by 0.26%. Report is 25 commits behind head on master. The diff coverage is 34.28%.

@@            Coverage Diff             @@
##           master    #4100      +/-   ##
==========================================
+ Coverage   81.68%   81.95%   +0.26%     
==========================================
  Files         328      328              
  Lines       75497    75875     +378     
==========================================
+ Hits        61668    62181     +513     
+ Misses      13829    13694     -135     

Files Changed	Coverage Δ
scapy/layers/tuntap.py	73.77% <34.28%> (-9.06%)	:arrow_down:

... and 40 files with indirect coverage changes

[guedou]

Thanks for this PR. I will give it a try. In the meantine, could you fix the PEP-08 issues https://github.com/secdev/scapy/actions/runs/5920584081/job/16053137679?pr=4100#step:5:1 ?