cni: retry get mac on new eni

[l1b0k]

No description provided.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 30.28%. Comparing base (10c1604) to head (ae90d39).
Report is 10 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #685      +/-   ##
==========================================
+ Coverage   29.29%   30.28%   +0.98%     
==========================================
  Files          79       80       +1     
  Lines        8584     8781     +197     
==========================================
+ Hits         2515     2659     +144     
- Misses       5730     5768      +38     
- Partials      339      354      +15     

Flag	Coverage Δ
unittests	30.28% <ø> (+0.98%)	⬆️

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