**What version of Go are you using (go version)?** go1.11 darwin/amd64 **What operating system and processor architecture are you using (go env)?** MacOS 10.14 **What did you do?** Attempting connection to ssh host **What did you expect to see?** Successful authentication **What did you see instead?** ssh: no common algorithm for client to server cipher; client offered: [aes128-gcm@openssh.com chacha20-poly1305@openssh.com aes128-ctr aes192-ctr aes256-ctr], server offered: [aes128-cbc aes256-cbc]