synchronized ConnectionInfo setHttpBytes(long received, long sent) {
            this.httpBytesReceived = received;
            this.httpBytesSent = sent;
            return this;
        }
Protocol layers are connected through each {@link Connection}'s {@link EndPoint} reference.
This methods iterates through the endpoints recursively to find the underlying socket endpoint.
container-core/src/main/java/com/yahoo/jdisc/http/server/jetty/JettyConnectionLogger.java