node-feature-discovery/examples/nodefeaturegroup.yaml

apiVersion: nfd.k8s-sigs.io/v1alpha1
kind: NodeFeatureGroup
metadata:
  name: node-feature-group-example
spec:
  featureGroupRules:
    - name: "kernel version"
      matchFeatures:
        - feature: kernel.version
          matchExpressions:
            major: {op: In, value: ["6"]}