Open Stack

Hi everyone, I wonder if anyone has seen this error where neutron does 
not start. here is the error I get with devstack. Any suggestions are 
welcomed.


Remo

remo at openstack-ub:~/devstack$ cd /opt/stack/neutron && python =
/usr/local/bin/neutron-l3-agent --config-file /etc/neutron/neutron.conf =
--config-file=3D/etc/neutron/l3_agent.ini || touch =
"/opt/stack/status/stack/q-l3.failure"
2013-07-31 13:05:07.698 18378 INFO neutron.common.config [-] Logging =
enabled!
2013-07-31 13:05:07.703 18378 ERROR neutron.common.legacy [-] Skipping =
unknown group key: firewall_driver
2013-07-31 13:05:07.703 18378 DEBUG neutron.common.utils [-] Reloading =
cached file /etc/neutron/policy.json read_cached_file =
/opt/stack/neutron/neutron/common/utils.py:55
2013-07-31 13:05:07.704 18378 DEBUG neutron.policy [-] loading policies =
from file: /etc/neutron/policy.json _set_rules =
/opt/stack/neutron/neutron/policy.py:88
2013-07-31 13:05:07.705 18378 CRITICAL neutron [-]
2013-07-31 13:05:07.705 18378 TRACE neutron Traceback (most recent call =
last):
2013-07-31 13:05:07.705 18378 TRACE neutron   File =
"/usr/local/bin/neutron-l3-agent", line 10, in <module>
2013-07-31 13:05:07.705 18378 TRACE neutron     sys.exit(main())
2013-07-31 13:05:07.705 18378 TRACE neutron   File =
"/opt/stack/neutron/neutron/agent/l3_agent.py", line 833, in main
2013-07-31 13:05:07.705 18378 TRACE neutron     =
manager=3D'neutron.agent.l3_agent.L3NATAgentWithStateReport')
2013-07-31 13:05:07.705 18378 TRACE neutron   File =
"/opt/stack/neutron/neutron/service.py", line 204, in create
2013-07-31 13:05:07.705 18378 TRACE neutron     =
periodic_fuzzy_delay=3Dperiodic_fuzzy_delay)
2013-07-31 13:05:07.705 18378 TRACE neutron   File =
"/opt/stack/neutron/neutron/service.py", line 137, in __init__
2013-07-31 13:05:07.705 18378 TRACE neutron     self.manager =3D =
manager_class(host=3Dhost, *args, **kwargs)
2013-07-31 13:05:07.705 18378 TRACE neutron   File =
"/opt/stack/neutron/neutron/agent/l3_agent.py", line 756, in __init__
2013-07-31 13:05:07.705 18378 TRACE neutron     =
super(L3NATAgentWithStateReport, self).__init__(host=3Dhost, conf=3Dconf)
2013-07-31 13:05:07.705 18378 TRACE neutron   File =
"/opt/stack/neutron/neutron/agent/l3_agent.py", line 213, in __init__
2013-07-31 13:05:07.705 18378 TRACE neutron     =
self._destroy_router_namespaces(self.conf.router_id)
2013-07-31 13:05:07.705 18378 TRACE neutron   File =
"/opt/stack/neutron/neutron/agent/l3_agent.py", line 228, in =
_destroy_router_namespaces
2013-07-31 13:05:07.705 18378 TRACE neutron     root_ip =3D =
ip_lib.IPWrapper(self.root_helper)
2013-07-31 13:05:07.705 18378 TRACE neutron   File =
"/opt/stack/neutron/neutron/agent/linux/ip_lib.py", line 82, in __init__
2013-07-31 13:05:07.705 18378 TRACE neutron     namespace=3Dnamespace)
2013-07-31 13:05:07.705 18378 TRACE neutron   File =
"/opt/stack/neutron/neutron/agent/linux/ip_lib.py", line 39, in __init__
2013-07-31 13:05:07.705 18378 TRACE neutron     self.force_root =3D =
cfg.CONF.ip_lib_force_root
2013-07-31 13:05:07.705 18378 TRACE neutron   File =
"/opt/stack/oslo.config/oslo/config/cfg.py", line 1626, in __getattr__
2013-07-31 13:05:07.705 18378 TRACE neutron     raise AttributeError
2013-07-31 13:05:07.705 18378 TRACE neutron AttributeError
2013-07-31 13:05:07.705 18378 TRACE neutron=