precise	server	release	20170502	i386	server/releases/precise/release-20170502/ubuntu-12.04-server-cloudimg-i386.tar.gz	ubuntu-precise-12.04-i386-server-20170502
precise	server	release	20170502	amd64	server/releases/precise/release-20170502/ubuntu-12.04-server-cloudimg-amd64.tar.gz	ubuntu-precise-12.04-amd64-server-20170502