Improve cni uninstall

[hzxuzhonghu]

What type of PR is this?

What this PR does / why we need it:

Do calling stop even start failed

Which issue(s) this PR fixes: Fixes #

Special notes for your reviewer:

Does this PR introduce a user-facing change?:

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 0% with 11 lines in your changes missing coverage. Please review.

Project coverage is 52.08%. Comparing base (cec9652) to head (9db2d28). Report is 21 commits behind head on main.

Files with missing lines	Patch %	Lines
pkg/cni/install.go	0.00%	7 Missing :warning:
pkg/cni/chained.go	0.00%	4 Missing :warning:

Files with missing lines	Coverage Δ
pkg/cni/chained.go	37.63% <0.00%> (-0.62%)	:arrow_down:
pkg/cni/install.go	17.64% <0.00%> (-2.36%)	:arrow_down:

... and 2 files with indirect coverage changes

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[hzxuzhonghu]

/assign @YaoZengzeng @nlgwcy

[bitcoffeeiux]

/lgtm

[nlgwcy]

/lgtm /approve

[kmesh-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: nlgwcy

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[nlgwcy]

@supercharge-xsy