Added NodeFeatureRule to automatically add network adapter label to nodes

infra/node-feature-discovery-rules/kustomization.yaml

@@ -0,0 +1,4 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+resources:
+  - ./network-adapter.yaml

infra/node-feature-discovery-rules/network-adapter.yaml

@@ -0,0 +1,16 @@
+apiVersion: nfd.k8s-sigs.io/v1alpha1
+kind: NodeFeatureRule
+metadata:
+  name: network-adapter
+spec:
+  rules:
+    - name: "Network interface label"
+      labelsTemplate: |
+        {{ range .network.device }}network-adapter={{ .name }}
+        {{ end }}
+      matchFeatures:
+        - feature: network.device
+          matchExpressions:
+            "name":
+              op: InRegexp
+              value: ["enp.s0"]