brew link docker-machine
brew install docker-machine-driver-xhyve
sudo chown root:wheel $(brew --prefix)/opt/docker-machine-driver-xhyve/bin/docker-machine-driver-xhyve
sudo chmod u+s $(brew --prefix)/opt/docker-machine-driver-xhyve/bin/docker-machine-driver-xhyve
or
sudo chown root:wheel /usr/local/bin/docker-machine-driver-xhyve
sudo chmod u+s /usr/local/bin/docker-machine-driver-xhyve
docker-machine create default -d xhyve
docker-machine env default