# Pastebin DRmI81aV
+ kubectl patch node k8s-magnum-k8s-jzijtbd74i26-master-0 --patch '{"metadata": {"labels": {"node-role.kubernetes.io/master": ""}}}'
error: no configuration has been provided, try setting KUBERNETES_MASTER environment variable
Trying to label master node with node-role.kubernetes.io/master=""
+ echo 'Trying to label master node with node-role.kubernetes.io/master=""'
+ sleep 5s
++ curl --silent http://127.0.0.1:8080/healthz