[Backport] Multiple devstack releases with one machine

Description

This is a backport of https://github.com/edx/devstack/pull/532 to ironwood.master.

Assignee

Jeremy Bowman

Reporter

Open Source Pull Request Bot

Labels

Contributor Name

Adolpho R. Brandes

Repo

edx/devstack

Customer

Epic Link

None

OSCM Assignee

None

Platform Map Area (Levels 1 & 2)

Developer Experiences

Platform Map Area (Levels 3 & 4)

None

Blended Hour Utilization Percentage

None

Priority

Unset
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