Description of problem: Instance rebuild removes some interfaces & also changes interface mac address of the rest . This same behavior is noticed after instance hard reboot too . Version-Release number of selected component (if applicable): openstack-nova-conductor-2014.2.3-32.el7ost.noarch openstack-nova-scheduler-2014.2.3-32.el7ost.noarch openstack-nova-api-2014.2.3-32.el7ost.noarch openstack-nova-cert-2014.2.3-32.el7ost.noarch openstack-nova-common-2014.2.3-32.el7ost.noarch openstack-nova-console-2014.2.3-32.el7ost.noarch openstack-nova-novncproxy-2014.2.3-32.el7ost.noarch How reproducible: Always on customer environment Steps to Reproduce: 1. Rebuild instance (on / off state) with multiple interface . Or hard reboot instance. 2. 3. Actual results: All Interfaces are present on instance are not present after rebuild . The ones present also have different mac address than before . Expected results: All Interfaces are present on instance after rebuild & have same mac address . Additional info:
*** This bug has been marked as a duplicate of bug 1279505 ***