✗ juju-deployer -c monitoringstack.yaml envExport
2013-10-15 15:34:41 Starting deployment of envExport
2013-10-15 15:34:53 Deploying services...
2013-10-15 15:34:54  Deploying service sensu-agent using cs:~paulcz/precise/sensu-agent-0
2013-10-15 15:34:57 Error deploying service 'sensu-agent'
2013-10-15 15:34:57 Command (juju deploy --config /tmp/tmpXMjkwX --num-units 6 cs:~paulcz/precise/sensu-agent-0 sensu-agent) Output:

 ERROR cannot use --num-units or --to with subordinate service

2013-10-15 15:34:57 Deployment stopped. run time: 16.82