After manually removing the entry as described on #5, I can add new machines in the environment:
"23": agent-state: pending dns-name: hbpkx.maas instance-id: /MAAS/api/1.0/nodes/node-e8a0b09c-03e9-11e5-bff9-b827eb833655/ series: trusty hardware: arch=amd64 cpu-cores=4 mem=4096M tags=use-fastpath-installer
After manually removing the entry as described on #5, I can add new machines in the environment:
"23": 1.0/nodes/ node-e8a0b09c- 03e9-11e5- bff9-b827eb8336 55/ fastpath- installer
agent-state: pending
dns-name: hbpkx.maas
instance-id: /MAAS/api/
series: trusty
hardware: arch=amd64 cpu-cores=4 mem=4096M tags=use-