Comment 3 for bug 1637668

Some of the work was done in these commits. There may be more to do, I'm not sure since it's been so long since I've looked at this. Marking unassigned since I'm no longer on the team.

https://github.com/powervm/pypowervm/commit/2999b8128f85df3c969751c1e4a71dc3af741d2e
https://github.com/powervm/pypowervm/commit/651a01b630650083db78511b9297977a3fbe4876
https://github.com/powervm/pypowervm/commit/346d0c0df98b203fd0ee1ab4d0da14dff03225ce