Envoy envoy.config.core.v3.HeaderValueOption deprication

[dermasmid]

the proxy or logging this at high volume:
[source/common/protobuf/message_validator_impl.cc:21] Deprecated field: type envoy.config.core.v3.HeaderValueOption Using deprecated option 'envoy.config.core.v3.HeaderValueOption.append' from file base.proto. This configuration will be removed from Envoy soon. Please see https://www.envoyproxy.io/docs/envoy/latest/version_history/version_history for details. If continued use of this field is absolutely necessary, see https://www.envoyproxy.io/docs/envoy/latest/configuration/operations/runtime#using-runtime-overrides-for-deprecated-features for how to apply a temporary and highly discouraged override.

[nak3]

Thank you for reporting this. It will be fixed in the next release by #1076