Adding steps for running network policy based on namespace

[homernajafi]

As per Robin's comment adding steps for implementing network policy based on namespace and validate it.

[helmsman-bot]

Can one of the admins verify this patch?

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[google-oss-robot]

Hi @homernajafi. Thanks for your PR.

I'm waiting for a GoogleCloudPlatform member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

Once the patch is verified, the new status will be reflected by the ok-to-test label.

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Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.

[chrislovecnm]

Let’s echo error messages

[google-oss-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: homernajafi
To fully approve this pull request, please assign additional approvers.
We suggest the following additional approver: chrislovecnm

If they are not already assigned, you can assign the PR to them by writing /assign @chrislovecnm in a comment when ready.

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[googlebot]

A Googler has manually verified that the CLAs look good.

(Googler, please make sure the reason for overriding the CLA status is clearly documented in these comments.)

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[chrislovecnm]

Not passing CI, can you please check on why