Revert "Make svclb as simple as possible"

[manuelbuil]

This reverts commit 1befd65.

[codecov]

Codecov Report

Attention: Patch coverage is 62.71186% with 22 lines in your changes missing coverage. Please review.

Project coverage is 44.23%. Comparing base (a44cb16) to head (a2edf36).
Report is 1 commits behind head on master.

Files with missing lines	Patch %	Lines
pkg/cloudprovider/servicelb.go	62.71%	19 Missing and 3 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master   #11109      +/-   ##
==========================================
+ Coverage   35.63%   44.23%   +8.59%     
==========================================
  Files         161      178      +17     
  Lines       14277    14820     +543     
==========================================
+ Hits         5088     6556    +1468     
+ Misses       8167     7056    -1111     
- Partials     1022     1208     +186     

Flag	Coverage Δ
e2etests	36.49% <62.71%> (+0.85%)	⬆️
inttests	36.84% <62.71%> (?)
unittests	13.57% <0.00%> (?)

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