Will this action upgrade Docker Engine CE to Docker Engine EE?
Run docker engine activate.
Will this action upgrade Docker Engine CE to Docker Engine EE?
Run docker engine activate.
If you are running a Community Edition engine, with "docker engine activate" the daemon will be updated to Enterprise, see https://manpages.ubuntu.com/manpages/xenial/man1/docker-engine-activate.1.html
No, because you should be the docker CE deleted then install docker EE from Mirantis