synchronized ConnectionInfo setSslHandshakeFailure(SSLHandshakeException exception) {
            this.sslHandshakeException = exception;
            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