MAAS juju bootstrap的error，有哪位大侠可以帮忙解决一下？？什么原因

tanguochi

root@ubuntu:~# juju bootstrap
2013-09-11 15:55:31,557 INFO Bootstrapping environment 'maas' (origin: distro type: maas)...
2013-09-11 15:55:32,222 ERROR Failed to launch machine /MAAS/api/1.0/nodes/node-e097fab8-1a11-11e3-a94b-0800270f346d/; attempting to release.
Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/juju/providers/maas/launch.py", line 48, in start_machine
    instance_uri, cloud_init.render())
ProviderInteractionError: Unexpected Error interacting with provider: 403 FORBIDDEN
Unexpected Error interacting with provider: 403 FORBIDDEN
2013-09-11 15:55:32,404 ERROR Unexpected Error interacting with provider: 403 FORBIDDEN
root@ubuntu:~# ^C