Comment 12 for bug 1727355

Tested working on zesty:

# juju bootstrap lxd --debug
18:41:15 INFO juju.cmd supercommand.go:63 running juju [2.0.2 gc go1.7.4]
...
18:41:15 DEBUG juju.cmd.juju.commands bootstrap.go:834 provider attrs: map[]
18:41:16 INFO cmd cmd.go:141 Adding contents of "/root/.local/share/juju/ssh/juju_id_rsa.pub" to authorized-keys
18:41:16 DEBUG juju.cmd.juju.commands bootstrap.go:890 preparing controller with config: map[... default-series:xenial
...
18:41:16 INFO cmd cmd.go:129 Creating Juju controller "lxd-localhost" on lxd/localhost
18:41:16 INFO juju.cmd.juju.commands bootstrap.go:507 combined bootstrap constraints:
18:41:16 DEBUG juju.environs.bootstrap bootstrap.go:202 model "controller" supports service/machine networks: false
18:41:16 DEBUG juju.environs.bootstrap bootstrap.go:204 network management by juju enabled: true
18:41:16 INFO cmd cmd.go:141 Loading image metadata
18:41:16 INFO cmd cmd.go:129 Looking for packaged Juju agent version 2.0.2 for amd64
18:41:16 INFO juju.environs.bootstrap tools.go:72 looking for bootstrap agent binaries: version=2.0.2
18:41:16 INFO juju.environs.tools tools.go:101 finding agent binaries in stream "released"
18:41:16 INFO juju.environs.tools tools.go:103 reading agent binaries with major.minor version 2.0
18:41:16 INFO juju.environs.tools tools.go:111 filtering agent binaries by version: 2.0.2
18:41:16 INFO juju.environs.tools tools.go:117 filtering agent binaries by architecture: amd64
18:41:16 DEBUG juju.environs.tools urls.go:109 trying datasource "keystone catalog"
18:41:17 DEBUG juju.environs.simplestreams simplestreams.go:680 using default candidate for content id "com.ubuntu.juju:released:tools" are {20161007 mirrors:1.0 content-download streams/v1/cpc-mirrors.sjson []}
18:41:20 INFO juju.environs.bootstrap tools.go:74 found 16 packaged agent binaries
18:41:20 INFO cmd cmd.go:141 Starting new instance for initial controller
...
18:41:20 DEBUG juju.provider.lxd environ_broker.go:41 StartInstance: "0", xenial
18:41:20 DEBUG juju.cloudconfig.instancecfg instancecfg.go:782 Setting numa ctl preference to false
18:41:20 DEBUG juju.environs imagemetadata.go:112 obtained image datasource "default cloud images"
18:41:20 DEBUG juju.environs imagemetadata.go:112 obtained image datasource "default ubuntu cloud images"
18:41:20 DEBUG juju.provider.lxd environ_broker.go:113 LXD requires https://, using: https://cloud-images.ubuntu.com/releases/
18:41:20 DEBUG juju.tools.lxdclient client.go:199 connecting to LXD remote "default cloud images": "https://streams.canonical.com/juju/images/releases/"
18:41:20 INFO juju.tools.lxdclient client_image.go:118 no image for ubuntu-xenial found in https://streams.canonical.com/juju/images/releases/
18:41:20 DEBUG juju.tools.lxdclient client.go:199 connecting to LXD remote "default ubuntu cloud images": "https://cloud-images.ubuntu.com/releases/"
18:41:27 INFO juju.tools.lxdclient client_image.go:124 found image from https://cloud-images.ubuntu.com/releases/ for xenial = 61d54418874f2f84e24ddd6934b3bb759ca76cbc49820da7d34f8b5b778e4816
...