message: Use num nodes in large cluster correctly.
diff: @@ -11,6 +11,7 @@ echo "Using Cluster Name: ${CLUSTER_NAME}"
  echo "Using K8S Version: ${K8S_VERSION}"
  export NUM_K8S_NODES=600
  +echo "Overriding num nodes to: $NUM_K8S_NODES"
  check_gcloud_exists
  @@ -18,7 +19,7 @@ check_gcloud_exists
  # Allocating a big CIDR is necessary for large clusters (>1008 Nodes)
  # See more details https://stackoverflow.com/questions/42129327/gke-cluster-creation-fails-because-the-network-default-does-not-have-available
  gcloud beta container clusters create \
  - --num-nodes 600 \
  + --num-nodes $NUM_K8S_NODES \
  --accelerator type=nvidia-tesla-k80,count=1 \
  --machine-type n1-standard-2 \
  --disk-size 20 \
  