Fix cleanup kmesh-cni failed bug

[bfforever]

What type of PR is this? /kind bug

What this PR does / why we need it: Fix cleanup kmesh-cni failed bug.

Which issue(s) this PR fixes: Fixes #365

Special notes for your reviewer:

Does this PR introduce a user-facing change?:

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 0% with 2 lines in your changes are missing coverage. Please review.

:exclamation: Your organization needs to install the Codecov GitHub app to enable full functionality.

Flag	Coverage Δ
unittests	31.67% <0.00%> (?)

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

Files	Coverage Δ
pkg/cni/chained.go	38.25% <0.00%> (ø)
pkg/cni/install.go	20.00% <0.00%> (ø)

[hzxuzhonghu]

/lgtm

/approve

[kmesh-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: hzxuzhonghu

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files: - ~~[OWNERS](https://github.com/kmesh-net/kmesh/blob/main/OWNERS)~~ [hzxuzhonghu] Approvers can indicate their approval by writing `/approve` in a comment Approvers can cancel approval by writing `/approve cancel` in a comment

[hzxuzhonghu]

@bfforever Yare qualified to apply member https://github.com/kmesh-net/kmesh/issues/new?assignees=&labels=&projects=&template=membership-request.md&title=REQUEST%3A+New+membership+for+%3Cyour+name%3E