preclude pod with host network to be managed by kmesh

[hzxuzhonghu]

What type of PR is this?

/kind enhancement

What this PR does / why we need it:

Which issue(s) this PR fixes:
Fixes #630

Special notes for your reviewer:

Does this PR introduce a user-facing change?:

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 50.29%. Comparing base (f5f92ac) to head (2703043).
Report is 48 commits behind head on main.

Files	Coverage Δ
pkg/utils/enroll.go	94.11% <100.00%> (ø)

... and 5 files with indirect coverage changes

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[nlgwcy]

/lgtm
/approve

[kmesh-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: nlgwcy

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• OWNERS [nlgwcy]

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