ubuntu@juju-48d061-default-11:~$ juju bootstrap
Clouds
aws
aws-china
aws-gov
azure
azure-china
cloudsigma
google
joyent
localhost
rackspace

Select a cloud [localhost]: 

ERROR cloud localhost not found
ubuntu@juju-48d061-default-11:~$ juju bootstrap localhost lxd
Creating Juju controller "lxd" on localhost/localhost
Looking for packaged Juju agent version 2.1.0 for amd64
To configure your system to better support LXD containers, please see: https://github.com/lxc/lxd/blob/master/doc/production-setup.md
Launching controller instance(s) on localhost/localhost...