istioctl x precheck

  # Check only a single namespace
  istioctl x precheck --namespace default

  # Check for behavioral changes since a specific version
  istioctl x precheck --from-version 1.10`,
		RunE: func(cmd *cobra.Command, args []string) (err error) {
			msgs := diag.Messages{}
			if !skipControlPlane {
				msgs, err = checkControlPlane(ctx)
				if err != nil {
					return err
				}
			}