The current boot2docker iso image contains bugs related to vmxnet3 support. It is required to use an alternative image in order to fix this issue.
docker-machine create -d vmwareworkstation --vmwareworkstation-boot2docker-url=https://github.com/boot2docker/boot2docker/releases/download/v18.09.1/boot2docker.iso --vmwareworkstation-memory-size="4096" --vmwareworkstation-cpu-count "2" default