ubuntu@node0:~$ sudo lxc-start --name juju-trusty-lxc-template  -F -l DEBUG
ovs-vsctl: no bridge named juju-br0
lxc-start: conf.c: instantiate_veth: 2796 failed to attach 'veth7DXFQR' to the bridge 'juju-br0': Operation not permitted
lxc-start: conf.c: lxc_create_network: 3079 failed to create netdev
lxc-start: start.c: lxc_spawn: 950 failed to create the network
lxc-start: start.c: __lxc_start: 1213 failed to spawn 'juju-trusty-lxc-template'
lxc-start: lxc_start.c: main: 344 The container failed to start.
lxc-start: lxc_start.c: main: 348 Additional information can be obtained by setting the --logfile and --logpriority options.
ubuntu@node0:~$