apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  namespace: isolated
spec:
  podSelector:
    matchLabels:
      app: my
  policyTypes:
  - Egress
  ingress:
  - from:
    - ipBlock:
      cidr: 172.17.0.0/16
      except:
      - 172.17.1.0/24
    - namespaceSelector:
        matchLabels:
          project: demo
          kubernetes.io/metadata.name: app
    - podSelector:
        matchLabels:
          role: frontend
  egress:
  - to:
    - namespaceSelector:
        matchLabels:
          ...
    ports:
    - protocol: ..
      port: ..