$kubectl get ns argo-events -o json > argo-events.json
vi로 spec.finalizers에 있는 항목 제거.
$ vi argo-events.json
$ curl -k -H "Content-Type: application/json" -X PUT --data-binary @argo-events.json http://172.30.1.11:6443/api/v1/namespaces/argo-events/finalize