jsonnet: The node exporter should not export data about veth interfaces.

In case of the OVN, the regex was incorrect and was exporting veth metrics.

manifests/node-exporter-daemonset.yaml

@@ -30,8 +30,8 @@ spec:
         - --no-collector.wifi
         - --no-collector.hwmon
         - --collector.filesystem.ignored-mount-points=^/(dev|proc|sys|var/lib/docker/.+|var/lib/kubelet/pods/.+)($|/)
-        - --collector.netclass.ignored-devices=^(veth.*|[a-z0-9]+@if\d+)$
-        - --collector.netdev.device-exclude=^(veth.*|[a-z0-9]+@if\d+)$
+        - --collector.netclass.ignored-devices=^(veth.*|[a-f0-9]{15})$
+        - --collector.netdev.device-exclude=^(veth.*|[a-f0-9]{15})$
         image: quay.io/prometheus/node-exporter:v1.1.2
         name: node-exporter
         resources: