diff --git a/nova/virt/libvirt/driver.py b/nova/virt/libvirt/driver.py
index 9112970..f64035a 100644
--- a/nova/virt/libvirt/driver.py
+++ b/nova/virt/libvirt/driver.py
@@ -5011,6 +5011,7 @@ class LibvirtDriver(driver.ComputeDriver):
                                                              network_info)
                 with self._lxc_disk_handler(instance, instance.image_meta,
                                             block_device_info, disk_info):
+                    raise libvirt.libvirtError('foo')
                     guest = self._create_domain(
                         xml, pause=pause, power_on=power_on,
                         post_xml_callback=post_xml_callback)