[WIP] Add X-Gateway-BBR header to BBR processing

[rramkumar1]

This header is useful for debugging purposes in that it can tell users that a request passed through BBR.

/assign @robscott

[k8s-ci-robot]

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[k8s-ci-robot]

Hi @rramkumar1. Thanks for your PR.

I'm waiting for a kubernetes-sigs 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.

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[rramkumar1]

/unassign @robscott

[ahg-g]

/ok-to-test

[k8s-ci-robot]

@rramkumar1: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
pull-gateway-api-inference-extension-test-unit-main	b6fc802	link	unknown	/test pull-gateway-api-inference-extension-test-unit-main

Full PR test history. Your PR dashboard. Please help us cut down on flakes by linking to an open issue when you hit one in your PR.

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-sigs/prow repository. I understand the commands that are listed here.

[kfswain]

Just poking here, it looks like the last motion this had was 2 weeks ago, is this still needed?

[k8s-ci-robot]

PR needs rebase.

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-sigs/prow repository.

[rramkumar1]

Just poking here, it looks like the last motion this had was 2 weeks ago, is this still needed?

Yeah, but I think this PR needs a bit more thought. Going to close for now.