# # in fedora20 we have some difficulty in properly cleaning up /vservers/<slicename>
# # also note that running e.g. btrfs subvolume create /vservers/.lvref/image /vservers/foo
# # behaves differently, whether /vservers/foo exists or not:
# # if /vservers/foo does not exist, it creates /vservers/foo
# # but if it does exist, then it creates /vservers/foo/image !!
# # so we need to check the expected container rootfs does not exist yet
# # in fedora20 we have some difficulty in properly cleaning up /vservers/<slicename>
# # also note that running e.g. btrfs subvolume create /vservers/.lvref/image /vservers/foo
# # behaves differently, whether /vservers/foo exists or not:
# # if /vservers/foo does not exist, it creates /vservers/foo
# # but if it does exist, then it creates /vservers/foo/image !!
# # so we need to check the expected container rootfs does not exist yet