openstack-helm/openstack/values_overrides/placement/netpol.yaml

---
placement:
  manifests:
    network_policy: true
  network_policy:
    placement:
      egress:
        - {}
      ingress:
        - from:
          - podSelector:
              matchLabels:
                application: nova
          ports:
          - protocol: TCP
            port: 8778
          - protocol: TCP
            port: 80
          - protocol: TCP
            port: 8080
...