This issue has been raised as a BZ https://bugzilla.redhat.com/show_bug.cgi?id=1900024 and is marked urgent:

Document URL:
https://docs.openshift.com/container-platform/4.6/service_mesh/v2x/installing-ossm.html
Section Number and Name:

Describe the issue:

Please update istio install doc that We don't yet support OVNKubernetes network type and it will be covered in our next minor release (2.0.1):

Suggestions for improvement:

Additional information:

The istio operator shows the following error messages:

-------
default","error":"unsupported network type: OVNKubernetes","stacktrace":"github.com/go-logr/zapr.(*zapLogger).Error\n\t/builddir/build/BUILD/OPERATOR/src/github.com/maistra/istio-operator/vendor/github.com/go-logr/zapr/zapr.go:128\nsigs.k8s.io/controller-runtime/pkg/internal/controller.