[Release-1.31] Revert "Make svclb as simple as possible"

[dereknola]

Proposed Changes

Backport #11109
This reverts commit 1befd65.

Types of Changes

Verification

Testing

Linked Issues

User-Facing Change

Further Comments

[codecov]

Codecov Report

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

Project coverage is 43.84%. Comparing base (d74ad42) to head (74678fe).
Report is 1 commits behind head on release-1.31.

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

❗ There is a different number of reports uploaded between BASE (d74ad42) and HEAD (74678fe). Click for more details.

HEAD has 2 uploads less than BASE

Flag	BASE (d74ad42)	HEAD (74678fe)
e2etests	8	6

Additional details and impacted files

@@               Coverage Diff                @@
##           release-1.31   #11118      +/-   ##
================================================
- Coverage         48.88%   43.84%   -5.04%     
================================================
  Files               178      178              
  Lines             14744    14796      +52     
================================================
- Hits               7208     6488     -720     
- Misses             6230     7111     +881     
+ Partials           1306     1197     -109     

Flag	Coverage Δ
e2etests	36.20% <62.71%> (-8.73%)	⬇️
inttests	19.81% <0.00%> (-0.08%)	⬇️
unittests	13.59% <0.00%> (-0.05%)	⬇️

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