I missed the most important point here. Once a node is in this state juju seems unable to deploy to it and juju status returns this: "1": agent-state-info: "getNetworkMACs failed: gomaasapi: got error back from server: 404 NOT FOUND (\n\n \n \n \n \n \ \n \n Error: Page not found | Sagacious MAAS\n\n \n\n\n\n \ \n \n\n\n \n
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Error: Page not found

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\n The requested URL /MAAS/api/1.0/networks/os.magners.qa.lexington-eth1/ was not found on this server.\n

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\n \"Ubuntu\"\n \n

© 2014 Canonical Ltd. Ubuntu and Canonical are registered\n trademarks of Canonical Ltd.\n View Documentation

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\n\n\n)" instance-id: pending series: win2012hvr2