Google Container Engine 2017-05-30 release

[GKE Release Notes]

May 30, 2017

• Kubernetes v1.6.4 is the default version for new clusters, released according to the following schedule:
  
• 2017-05-30: us-east1-d asia-northeast1-c
• 2017-05-31: europe-west1-c us-central1-b us-west1-a asia-east1-a asia-northeast1-a asia-southeast1-a us-east4-b australia-southeast1-a europe-west2-a
• 2017-06-01: us-central1-f europe-west1-b asia-east1-c us-east1-c us-west1-b asia-northeast1-b asia-southeast1-b us-east4-c australia-southeast1-b europe-west2-b
• 2017-06-02: us-central1-a us-central1-c europe-west1-d asia-east1-b us-east1-b us-east4-a us-west1-c australia-southeast1-c europe-west2-c