When deploying kourier, pod does not get into ready state (even after overwriting bootstrap to ipv6 addresses) because dynamic listeners added by net-kourier explicitly and only listen on ipv4.

https://github.com/knative-extensions/net-kourier/blob/c7434e420928104fcf51bf6c6fe50b0a20aed426/pkg/envoy/api/listener.go#L178C16-L178C23