toor@maas:~$ juju bootstrap juju dr --upload-tools --bootstrap-series=xenial --debug
2016-03-22 20:31:33 INFO juju.cmd supercommand.go:59 running juju [2.0-beta2 gc go1.5.1]
2016-03-22 20:31:33 DEBUG juju.cmd.juju.commands bootstrap.go:355 preparing controller with config: map[type:maas name:juju]
2016-03-22 20:31:33 DEBUG juju.provider.maas environprovider.go:32 opening model "juju".
2016-03-22 20:31:33 DEBUG juju.environs.configstore disk.go:326 writing cache file
2016-03-22 20:31:33 INFO cmd cmd.go:129 Creating Juju controller "local.juju" on dr
2016-03-22 20:31:33 INFO juju.cmd.juju.commands bootstrap.go:442 combined bootstrap constraints: 
2016-03-22 20:31:33 INFO juju.network network.go:263 setting prefer-ipv6 to false
2016-03-22 20:31:33 INFO cmd cmd.go:129 Bootstrapping model "juju"
2016-03-22 20:31:33 DEBUG juju.environs.bootstrap bootstrap.go:137 model "juju" supports service/machine networks: true
2016-03-22 20:31:33 DEBUG juju.environs.bootstrap bootstrap.go:139 network management by juju enabled: true
2016-03-22 20:31:33 INFO cmd cmd.go:129 Starting new instance for initial controller
2016-03-22 20:31:33 INFO juju.provider.maas environ.go:211 address allocation feature disabled; using "br-eth0" bridge for all containers
2016-03-22 20:31:33 INFO juju.provider.common destroy.go:22 destroying model "juju"
2016-03-22 20:31:33 INFO juju.provider.common destroy.go:33 destroying instances
2016-03-22 20:31:33 INFO juju.provider.common destroy.go:53 destroying storage
2016-03-22 20:31:33 ERROR cmd supercommand.go:448 failed to bootstrap model: no matching tools available