A good way to "fix" this is to switch to qemu-img tool if guest is not running as proposed here:
https://review.openstack.org/#/c/192736/
Also as mentioned here [1] We can expect to see libvirt to handle blokc Rebase when guest is not running
1. http://lists.openstack.org/pipermail/openstack-dev/2015-April/061013.htm
A good way to "fix" this is to switch to qemu-img tool if guest is not running as proposed here:
https:/ /review. openstack. org/#/c/ 192736/
Also as mentioned here [1] We can expect to see libvirt to handle blokc Rebase when guest is not running
1. http:// lists.openstack .org/pipermail/ openstack- dev/2015- April/061013. htm