+1 for Curtis #3
sudo lxc-destroy --name juju-trusty-lxc-template sudo rm -r /var/cache/lxc/cloud-trusty
cleared it for me
+1 for Curtis #3
sudo lxc-destroy --name juju-trusty- lxc-template lxc/cloud- trusty
sudo rm -r /var/cache/
cleared it for me