Comment 0 for bug 1675245

We have a document for developer to setup a single host devstack environment, but there is no document for setting up a multi-host dev environment. It would be good to have one.

* Document for setting up single-host Zun environment: https://docs.openstack.org/developer/zun/dev/quickstart.html#exercising-the-services-using-devstack
* Document for setting up multi-host generic environment: https://docs.openstack.org/developer/devstack/guides/multinode-lab.html

We could possibly produce multi-host Zun environment by referencing the documents above.