anchor.diff:      type: user-node <1>
   ....
   ----
  -<1> Label added to the node.
  +<1> Specify the label(s) you will add to the node.
  ++
  +Alternatively, you can add the label to a MachineSet:
  ++
  +----
  +$ oc edit MachineSet abc612-msrtw-worker-us-east-1c
  +----
  ++
  +[source,yaml]
  ++
  +----
  +apiVersion: machine.openshift.io/v1beta1
  +kind: MachineSet
  +
  +....
  +
  +spec:
  +  replicas: 2
  +  selector:
  +    matchLabels:
  +      machine.openshift.io/cluster-api-cluster: ci-ln-89dz2y2-d5d6b-4995x
  +      machine.openshift.io/cluster-api-machine-role: worker
  +      machine.openshift.io/cluster-api-machine-type: worker
  +      machine.openshift.io/cluster-api-machineset: ci-ln-89dz2y2-d5d6b-4995x-worker-us-east-1a
  +  template:
  +    metadata:
  +      creationTimestamp: null
  +      labels:
  +        machine.openshift.io/cluster-api-cluster: ci-ln-89dz2y2-d5d6b-4995x
  +        machine.openshift.io/cluster-api-machine-role: worker
  +        machine.openshift.io/cluster-api-machine-type: worker
  +        machine.openshift.io/cluster-api-machineset: ci-ln-89dz2y2-d5d6b-4995x-worker-us-east-1a
  +    spec:
  +      metadata:
  +        creationTimestamp: null
  +        labels:
  +          region: east <1>
  +          type: user-node <1>
  +....
  +----
  +<1> Specify the label(s) you will add to the node.
   
   . Add the desired node selector a pod:
   +
  
positive.code: ----
  
  The web console lists the controlling object under `ownerReferences` in the pod YAML:
  +
  ----
    ownerReferences:
      - apiVersion: apps/v1
  
negative.code: +
  ----
  $ oc label nodes ip-10-0-142-25.ec2.internal type=user-node region=east
  ----
  +
  The label is applied to the node:
  