// the labelSelector in the specified namespaces, where co-located is defined as running on a node
  // whose value of the label with key topologyKey matches that of any node on which any of the
  // selected pods is running.
  // Empty topologyKey is not allowed.
  optional string topologyKey = 3;

  // A label query over the set of namespaces that the term applies to.

- Kube-scheduler now retries scheduling Pods rejected by the PodTopologySpread plugin when related Pods are created, deleted, updated, or when a node matches the specified topologyKey. ([#122195](https://github.com/kubernetes/kubernetes/pull/122195), [@nayihz](https://github.com/nayihz))
- Kubeadm now prints all the kubelets and nodes that need to be upgraded when running "upgrade plan".

* - kubeadm now supports "ci/latest-1.8" or "ci-cross/latest-1.8" and similar...

  // refer to the node name using the ID that the storage system will
  // understand, e.g. "nodeA" instead of "node1". This field is required.
  optional string nodeID = 2;

  // topologyKeys is the list of keys supported by the driver.
  // When a driver is initialized on a cluster, it provides a set of topology
  // keys that it understands (e.g. "company.com/zone", "company.com/region").

  // refer to the node name using the ID that the storage system will
  // understand, e.g. "nodeA" instead of "node1". This field is required.
  optional string nodeID = 2;

  // topologyKeys is the list of keys supported by the driver.
  // When a driver is initialized on a cluster, it provides a set of topology
  // keys that it understands (e.g. "company.com/zone", "company.com/region").