None of the virtual machines setup under Lucid can be found after an upgrade to Precise via libvirt: # virsh list --all Id Name State ---------------------------------- - localhost shut off # ls images/ debdelta-clone-clone-1.img landscape-server.img lucid-lowell-2011-11-23.img debdelta-clone-clone.img localhost.img lucid-lowell.img debdelta-clone.img ls-client1.img natty-clone.img keystone-clone.