rnarubin

## Motivations tonic's Endpoint type has many configurable parameters, for example [keep_alive_interval](https://docs.rs/tonic/0.6.2/tonic/transport/channel/struct.Endpoint.html#method.http2_keep_alive_interval) ginepro [internally constructs](https://github.com/TrueLayer/ginepro/blob/d72678dc10342a83ecd0e66d10d9ac46469ba91b/ginepro/src/service_probe.rs#L200) Endpoint instances from socket addresses, and then applies some limited configuration values (like tls and...

see [here](https://github.com/dain/leveldb/blob/master/leveldb/src/main/java/org/iq80/leveldb/impl/DbImpl.java#L1017) as it differs from [here](https://github.com/google/leveldb/blob/master/db/db_impl.cc#L871) I have some unit tests that demonstrate this failing (so it's not just speculation on the source). If no one picks this up...