```yaml
apiVersion: install.istio.io/v1alpha1
kind: IstioOperator
spec:
  components:
    cni:
      enabled: true
```

The operator validates the configuration and automatically detects syntax errors. If you are
using Helm values that are incompatible, the schema validation used in the operator may reject input that is valid for
Helm.

or customize the ports to match the old defaults.
See the [security advisory](https://istio.io/latest/news/security/istio-security-2021-002/) for more information.

#### Other migrations

If you see errors like `rendered manifests contain a resource that already exists` during installation, you may need to forcibly take ownership.