Out of curiosity, are you installing OpenStack from the Ubuntu cloud archive? I reviewed some code in nova/virt/libvirt/imagebackend.py that I patched to fix it and found that it differs from upstream Liberty. We currently install OpenStack from the UCA packages.
Out of curiosity, are you installing OpenStack from the Ubuntu cloud archive? I reviewed some code in nova/virt/ libvirt/ imagebackend. py that I patched to fix it and found that it differs from upstream Liberty. We currently install OpenStack from the UCA packages.