neutron-server.service - OpenStack Neutron Server
   Loaded: loaded (/usr/lib/systemd/system/neutron-server.service; enabled; vendor preset: disabled)
   Active: failed (Result: signal) since Tue 2016-12-06 12:40:44 EET; 1 weeks 0 days ago
  Process: 1459 ExecStart=/usr/bin/neutron-server --config-file /usr/share/neutron/neutron-dist.conf --config-dir /usr/share/neutron/server --config-file /etc/neutron/neutron.conf --config-file /etc/neutron/plugin.ini --config-dir /etc/neutron/conf.d/common --config-dir /etc/neutron/conf.d/neutron-server --log-file /var/log/neutron/server.log (code=killed, signal=SEGV)
 Main PID: 1459 (code=killed, signal=SEGV)
   CGroup: /system.slice/neutron-server.service

Dec 06 11:25:33 rdo.cloudbase neutron-server[1459]: Option "verbose" from group "DEFAULT" is deprecated for removal.  Its value may be silently ignored in the future.
Dec 06 11:25:33 rdo.cloudbase neutron-server[1459]: Option "notification_driver" from group "DEFAULT" is deprecated. Use option "driver" from group "oslo_messaging_notifications".
Dec 06 11:25:45 rdo.cloudbase systemd[1]: Started OpenStack Neutron Server.
Dec 06 12:35:04 rdo.cloudbase neutron-server[1459]: /usr/lib64/python2.7/site-packages/sqlalchemy/sql/default_comparator.py:153: SAWarning: The IN-predicate on "ml2_network_segments.network_id" was invoked with an empty sequence. This results in a contradiction, which nonetheless can be expensive to evaluate.  Consider alternative strategies for improved performance.
Dec 06 12:35:04 rdo.cloudbase neutron-server[1459]: 'strategies for improved performance.' % expr)
Dec 06 12:35:09 rdo.cloudbase neutron-server[1459]: /usr/lib64/python2.7/site-packages/sqlalchemy/sql/default_comparator.py:153: SAWarning: The IN-predicate on "ml2_network_segments.network_id" was invoked with an empty sequence. This results in a contradiction, which nonetheless can be expensive to evaluate.  Consider alternative strategies for improved performance.
Dec 06 12:35:09 rdo.cloudbase neutron-server[1459]: 'strategies for improved performance.' % expr)
Dec 06 12:40:44 rdo.cloudbase systemd[1]: neutron-server.service: main process exited, code=killed, status=11/SEGV
Dec 06 12:40:44 rdo.cloudbase systemd[1]: Unit neutron-server.service entered failed state.
Dec 06 12:40:44 rdo.cloudbase systemd[1]: neutron-server.service failed.