We do not mention in the documentation [1] that user need to have the hyperkit binary for the docker-machine-driver-hyperkit to work.

User can get the hyperkit binary by running $ brew install hyperkit or docker for mac.

[1] https://docs.okd.io/latest/minishift/getting-started/setting-up-virtualization-environment.html#setting-up-hyperkit-driver