chore: Support Hostnetwork

[kahirokunn]

Description of changes:

When I build a vxlan with cilium, the address is not allowed.

https://cert-manager.io/docs/installation/compatibility/#aws-eks
elastic/cloud-on-k8s#1369

This patch is required for custom cni to work at a minimum.

[ack-prow]

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This pull-request has been approved by: kahirokunn
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[ack-prow]

Hi @kahirokunn. Thanks for your PR.

I'm waiting for a aws-controllers-k8s 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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[a-hilaly]

Hi @kahirokunn , thank you for your patch! These files are generated using code-generator, i would suggest to open a PR against code-generator/templates files, that way we can propagate for the change for all the controllers. 👍

[kahirokunn]

@a-hilaly Like this?
aws-controllers-k8s/code-generator#460