* Bad data in TCP stream? What would this do?
* TLS for Master->Worker connection
* https://github.com/rustls/tokio-rustls
* Graceful shutdown for Workers when SIGINT is received
* Send Master(s) a message that you're exiting, and wait for Master(s)
to end the connection
* Once no connections are active, exit with 0
* Master should notify if a Worker becomes unreachable
* Without sending the message described above "graceful shutdown"