Note that the fix for this is already available in Istio 1.2. This issue should be closed when we upgrade to 1.2 or later.

There are several messages concerning deprecated fields that you may see in the Envoy logs that can be safely ignored. Please find a list of known deprecated fields below. These are addressed in Istio 1.2 and will be removed when Maistra/OpenShift Service Mesh are upgraded to 1.2 or later.

envoy.api.v2.Cluster.hosts

envoy.api.v2.Listener.use_original_dst

envoy.api.v2.listener.Filter.config

envoy.api.v2.route.Route.per_filter_config

envoy.config.filter.accesslog.v2.AccessLog.config

envoy.config.filter.network.http_connection_manager.v2.HttpFilter.config

envoy.config.trace.v2.Tracing.Http.config

An example of a deprecated message is shown below. Other messages may occur.

Using deprecated option 'envoy.api.v2.listener.Filter.config'. This configuration will be removed from Envoy soon. Please see https://github.com/envoyproxy/envoy/blob/master/DEPRECATED.md for details.