I'm using it with python backend and client but i can't seem to make it work, keeps getting:
envoy_1 | [2018-02-24 21:29:06.329][13][debug][connection] source/common/ssl/ssl_socket.cc:111] [C1] handshake error: 2
envoy_1 | [2018-02-24 21:29:06.332][13][debug][connection] source/common/ssl/ssl_socket.cc:100] [C1] handshake complete
envoy_1 | [2018-02-24 21:29:06.332][13][debug][connection] source/common/network/connection_impl.cc:448] [C1] remote close
envoy_1 | [2018-02-24 21:29:06.332][13][debug][connection] source/common/network/connection_impl.cc:134] [C1] closing socket: 0
envoy_1 | [2018-02-24 21:29:06.333][13][debug][connection] source/common/ssl/ssl_socket.cc:219] [C1] SSL shutdown: rc=0
envoy_1 | [2018-02-24 21:29:06.333][13][debug][main] source/server/connection_handler_impl.cc:54] [C1] adding to cleanup list
envoy_1 | [2018-02-24 21:29:06.333][13][debug][main] source/server/connection_handler_impl.cc:195] [C2] new connection
envoy_1 | [2018-02-24 21:29:06.333][13][debug][connection] source/common/ssl/ssl_socket.cc:111] [C2] handshake error: 2
envoy_1 | [2018-02-24 21:29:06.341][13][debug][connection] source/common/ssl/ssl_socket.cc:111] [C2] handshake error: 2
envoy_1 | [2018-02-24 21:29:06.341][13][debug][connection] source/common/ssl/ssl_socket.cc:111] [C2] handshake error: 2
envoy_1 | [2018-02-24 21:29:06.343][13][debug][connection] source/common/ssl/ssl_socket.cc:100] [C2] handshake complete
envoy_1 | [2018-02-24 21:29:06.344][13][debug][connection] source/common/network/connection_impl.cc:448] [C2] remote close
envoy_1 | [2018-02-24 21:29:06.344][13][debug][connection] source/common/network/connection_impl.cc:134] [C2] closing socket: 0
envoy_1 | [2018-02-24 21:29:06.344][13][debug][connection] source/common/ssl/ssl_socket.cc:219] [C2] SSL shutdown: rc=0```