ubuntu@7ea0a30dd032:~$ juju quickstart
interactive session closed
changes to the environments file have been saved
juju quickstart v1.6.0
adding the ppa:juju/stable PPA repository
sudo privileges will be required for PPA installation
sudo privileges will be used for the installation of 
the following packages: juju-local
this can take a while...
ssh-agent has been started.
To interact with Juju or quickstart again after quickstart
finishes, please run the following in a terminal to start ssh-agent:
  eval `ssh-agent`

Warning: no SSH keys were found in ~/.ssh
To proceed and generate keys, quickstart can
[a] automatically create keys for you
[m] provide commands to manually create your keys

Note: ssh-keygen will prompt you for an optional
passphrase to generate your key for you.
Quickstart does not store it.

Automatically create keys [a], manually create the keys [m], or cancel [c]? a
generating new ssh key...
Enter passphrase (empty for no passphrase): 
Enter same passphrase again: 
adding key to ssh-agent...
a new ssh key was generated in /home/ubuntu/.ssh/id_rsa
bootstrapping the local environment
sudo privileges will be required to bootstrap the environment
juju-quickstart: error: ERROR cannot find network interface "lxcbr0": net: no such interface
Bootstrap failed, cleaning up the environment.
ERROR there was an issue examining the environment: failure setting config: cannot find address of network-bridge: "lxcbr0": net: no such interface

ERROR subprocess encountered error code 1
ubuntu@7ea0a30dd032:~$