https://learn.microsoft.com/en-us/azure/aks/istio-deploy-addon#register-the-azureservicemeshpreview-feature-flag

az feature register --namespace "Microsoft.ContainerService" --name "AzureServiceMeshPreview" az feature show --namespace "Microsoft.ContainerService" --name "AzureServiceMeshPreview"

az feature register --namespace "Microsoft.ContainerService" --name "AKS-KedaPreview" az feature show --namespace "Microsoft.ContainerService" --name "AKS-KedaPreview" az provider register --namespace Microsoft.ContainerService

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kubectl label namespace default istio.io/rev=asm-1-17