Strip internal mesh-machinery headers when sending requests

Describe the feature request In a couple of situations Istio's default configuration exposes internal mesh-machinery headers outside of the mesh; either to callers or callees. Ingress Gateway Response header x-envoy-upstream-service-time

Istio Request Control with Envoy Filters — Request Headers

Istio / Getting Started

Request retry if back-end server response times out

DMVPN Solutions and Insights Network Experts - Network Insight

Traffic management overview for internal Application Load

Internal passthrough Network Load Balancer overview

JMSE, Free Full-Text

Applied Sciences, Free Full-Text

Applied Sciences, Free Full-Text

Flexray Frame Format The header segment consists of 5 bytes and