WIP: [maistra-2.6] Rebase CNI

[yxun]

Please provide a description of this PR:

This is the maistra 2.6 Rebase CNI PR which is following the previous 2.5 one. ref: https://github.com/maistra/istio/pull/846

To help us figure out who should review this PR, please put an X in all the areas that this PR affects.

• [ ] Ambient
• [ ] Configuration Infrastructure
• [ ] Docs
• [ ] Installation
• [ ] Networking
• [ ] Performance and Scalability
• [ ] Policies and Telemetry
• [ ] Security
• [ ] Test and Release
• [ ] User Experience
• [ ] Developer Infrastructure

Please check any characteristics that apply to this pull request.

• [ ] Does not have any user-facing changes. This may include CLI changes, API changes, behavior changes, performance improvements, etc.

[yxun]

wait until merging https://github.com/maistra/istio/pull/997

[yxun]

/test maistra-istio-gencheck-2-6

[yxun]

/test maistra-istio-unit-2-6

[openshift-ci[bot]]

@yxun: The following tests failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
ci/prow/maistra-istio-unit-2-6	20818efcdecb0b6d22e7b2626fe2b6695d46d7b0	link	true	/test maistra-istio-unit-2-6
ci/prow/integ-security-2-6	20818efcdecb0b6d22e7b2626fe2b6695d46d7b0	link	true	/test integ-security-2-6

Full PR test history. Your PR dashboard.

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[yxun]

/test integ-security-2-6

[yxun]

close this #999 and recreate a PR as #1005