Fix konnectivity issue

[peter-wangxu]

Fix that context was cancelled before the proxy connection setup
completely which cause by GH-229

fixes: GH-232

[codecov-commenter]

Codecov Report

Patch coverage: 66.66% and project coverage change: +0.17% 🎉

Comparison is base (255e6d8) 32.10% compared to head (a25ef3f) 32.27%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #238      +/-   ##
==========================================
+ Coverage   32.10%   32.27%   +0.17%     
==========================================
  Files          41       41              
  Lines        6411     6411              
==========================================
+ Hits         2058     2069      +11     
+ Misses       4064     4052      -12     
- Partials      289      290       +1     

Flag	Coverage Δ
unittests	32.27% <66.66%> (+0.17%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files Changed	Coverage Δ
pkg/csi/nodeutils.go	41.25% <50.00%> (ø)
pkg/csi/controllerserver.go	57.64% <100.00%> (ø)

... and 1 file with indirect coverage changes

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