oc adm manage-node -o ANYTHING doesn't change the output

[stevekuznetsov]

$ oc cluster up
$ oc login -u system:admin
$ oc adm manage-node localhost --schedulable
NAME        STATUS    AGE       VERSION
localhost   Ready     14m       v1.5.2+43a9be4
$ oc adm manage-node localhost --schedulable -o yaml
NAME        STATUS    AGE       VERSION
localhost   Ready     14m       v1.5.2+43a9be4
$ oc adm manage-node localhost --schedulable -o json
NAME        STATUS    AGE       VERSION
localhost   Ready     14m       v1.5.2+43a9be4
$ oc adm manage-node localhost --schedulable -o wide
NAME        STATUS    AGE       VERSION
localhost   Ready     14m       v1.5.2+43a9be4
$ oc adm manage-node localhost --schedulable -o name
NAME        STATUS    AGE       VERSION
localhost   Ready     14m       v1.5.2+43a9be4
$ oc adm manage-node localhost --schedulable -o jsonpath='{ .metadata.name }'
NAME        STATUS    AGE       VERSION
localhost   Ready     14m       v1.5.2+43a9be4