http://cloud-images.ubuntu.com/trusty/current/trusty-server-cloudimg-amd64-disk1.img
http://download.cirros-cloud.net/0.3.5/cirros-0.3.5-x86_64-lxc.tar.gz
http://download.cirros-cloud.net/daily/20161201/cirros-d161201-aarch64-disk.img
http://download.cirros-cloud.net/daily/20161201/cirros-d161201-aarch64-initramfs
http://download.cirros-cloud.net/daily/20161201/cirros-d161201-aarch64-kernel
http://cloud-images.ubuntu.com/trusty/current/trusty-server-cloudimg-amd64-disk1.img
http://download.cirros-cloud.net/0.3.5/cirros-0.3.5-x86_64-lxc.tar.gz
http://download.cirros-cloud.net/daily/20161201/cirros-d161201-aarch64-disk.img
http://download.cirros-cloud.net/daily/20161201/cirros-d161201-aarch64-initramfs
http://download.cirros-cloud.net/daily/20161201/cirros-d161201-aarch64-kernel