ref:
https://www.ibm.com/docs/en/cloud-private/3.2.0?topic=console-namespace-is-stuck-in-terminating-state
> kubectl get ns NAME STATUS AGE ingress-nginx Terminating 31m > kubectl get namespace ingress-nginx -o json > tmp.json > vi tmp.json ... "spec": { }, ... > kubectl proxy > curl -k -H "Content-Type: application/json" -X PUT --data-binary @tmp.json http://127.0.0.1:8001/api/v1/namespaces/ingress-nginx/finalize |