Fix typos

[hzxuzhonghu]

What type of PR is this?

/kind cleanup

What this PR does / why we need it:

#1218

Which issue(s) this PR fixes:
Fixes #

Special notes for your reviewer:

Does this PR introduce a user-facing change?:

[LiZhenCheng9527]

/lgtm
/approve

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

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Report is 8 commits behind head on main.

Files with missing lines	Coverage Δ
pkg/nets/nets.go	23.93% <ø> (ø)

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[kmesh-bot]

[APPROVALNOTIFIER] This PR is APPROVED

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This pull-request has been approved by: LiZhenCheng9527

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