sudo  python -m juju.agents.machine -n --logfile=/var/log/juju/machine-agent.log --pidfile=/var/run/juju/machine-agent.pid
Traceback (most recent call last):
  File "/usr/lib/python2.7/runpy.py", line 162, in _run_module_as_main
    "__main__", fname, loader, pkg_name)
  File "/usr/lib/python2.7/runpy.py", line 72, in _run_code
    exec code in run_globals
  File "/usr/lib/python2.7/dist-packages/juju/agents/machine.py", line 191, in <module>
    MachineAgent().run()
  File "/usr/lib/python2.7/dist-packages/juju/agents/base.py", line 110, in run
    agent.configure(config)
  File "/usr/lib/python2.7/dist-packages/juju/agents/machine.py", line 175, in configure
    super(MachineAgent, self).configure(options)
  File "/usr/lib/python2.7/dist-packages/juju/agents/base.py", line 149, in configure
    raise NoConnection("No zookeeper connection configured.")
juju.errors.NoConnection: No zookeeper connection configured.