Comment 16 for bug 1646002

Apparently libguestfs looks for /etc in the disk image, and it fails when it doesn't find it:

2016-12-01 17:02:53.644 12488 DEBUG nova.virt.disk.vfs.guestfs [-] event=trace eh=0 buf='aug_get "/files/etc/passwd/root/uid"' array=[] log_callback /opt/stack/new/nova/nova/virt/disk/vfs/guestfs.py:105
2016-12-01 17:02:53.645 12488 DEBUG nova.virt.disk.vfs.guestfs [-] event=appliance eh=0 buf='guestfsd: main_loop: proc 33 (mkdir_p) took 0.01 seconds' array=[] log_callback /opt/stack/new/nova/nova/virt/disk/vfs/guestfs.py:105
2016-12-01 17:02:53.648 12488 DEBUG nova.virt.disk.vfs.guestfs [-] event=appliance eh=0 buf='guestfsd: main_loop: new request, len 0x48^M
guestfsd: error: no matching node^M
guestfsd: main_loop: proc 19 (aug_get) took 0.00 seconds' array=[] log_callback /opt/stack/new/nova/nova/virt/disk/vfs/guestfs.py:105
2016-12-01 17:02:53.648 12488 DEBUG nova.virt.disk.vfs.guestfs [-] event=trace eh=0 buf='aug_get = NULL (error)' array=[] log_callback /opt/stack/new/nova/nova/virt/disk/vfs/guestfs.py:105