Handshake intermediary update. New version negotiation. Once version is decided, it will now need to send features_request or hello_failed error_message with the correct version.
Handshake intermediary update. New version negotiation.
Once version is decided, it will now need to send features_request or
hello_failed error_message with the correct version.

kytos/kytos-napps,cemsbr/kytos-napps,kytos/kyco-core-napps