Fix SubnetPort allocate address for DHCP

[yanjunz97]

No description provided.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 91.66667% with 1 line in your changes missing coverage. Please review.

Project coverage is 73.44%. Comparing base (1cf8cb7) to head (57387a3).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
pkg/nsx/services/subnet/builder.go	50.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #934      +/-   ##
==========================================
+ Coverage   73.38%   73.44%   +0.05%     
==========================================
  Files         109      109              
  Lines       15248    15270      +22     
==========================================
+ Hits        11190    11215      +25     
+ Misses       3307     3305       -2     
+ Partials      751      750       -1     

Flag	Coverage Δ
unit-tests	73.44% <91.66%> (+0.05%)	⬆️

Files with missing lines	Coverage Δ
pkg/nsx/services/subnetport/builder.go	76.51% <100.00%> (ø)
pkg/nsx/util/utils.go	64.31% <100.00%> (+0.69%)	⬆️
pkg/nsx/services/subnet/builder.go	86.20% <50.00%> (+2.87%)	⬆️

... and 2 files with indirect coverage changes

[wenqiq]

lgtm

[zhengxiexie]

lgtm