2014-12-11 14:59:16.491 20564 ERROR neutron.agent.dhcp_agent [-] Unable to enable dhcp for df9dc8c6-447f-42a9-aece-d7743e204ea3.
2014-12-11 14:59:16.491 20564 TRACE neutron.agent.dhcp_agent Traceback (most recent call last):
2014-12-11 14:59:16.491 20564 TRACE neutron.agent.dhcp_agent   File "/usr/lib/python2.6/site-packages/neutron/agent/dhcp_agent.py", line 129, in call_driver
2014-12-11 14:59:16.491 20564 TRACE neutron.agent.dhcp_agent     getattr(driver, action)(**action_kwargs)
2014-12-11 14:59:16.491 20564 TRACE neutron.agent.dhcp_agent   File "/usr/lib/python2.6/site-packages/neutron/agent/linux/dhcp.py", line 180, in enable
2014-12-11 14:59:16.491 20564 TRACE neutron.agent.dhcp_agent     self.spawn_process()
2014-12-11 14:59:16.491 20564 TRACE neutron.agent.dhcp_agent   File "/usr/lib/python2.6/site-packages/neutron/agent/linux/dhcp.py", line 382, in spawn_process
2014-12-11 14:59:16.491 20564 TRACE neutron.agent.dhcp_agent     ip_wrapper.netns.execute(cmd, addl_env=env)
2014-12-11 14:59:16.491 20564 TRACE neutron.agent.dhcp_agent   File "/usr/lib/python2.6/site-packages/neutron/agent/linux/ip_lib.py", line 468, in execute
2014-12-11 14:59:16.491 20564 TRACE neutron.agent.dhcp_agent     check_exit_code=check_exit_code, extra_ok_codes=extra_ok_codes)
2014-12-11 14:59:16.491 20564 TRACE neutron.agent.dhcp_agent   File "/usr/lib/python2.6/site-packages/neutron/agent/linux/utils.py", line 82, in execute
2014-12-11 14:59:16.491 20564 TRACE neutron.agent.dhcp_agent     raise RuntimeError(m)
2014-12-11 14:59:16.491 20564 TRACE neutron.agent.dhcp_agent RuntimeError: 
2014-12-11 14:59:16.491 20564 TRACE neutron.agent.dhcp_agent Command: ['sudo', 'neutron-rootwrap', '/etc/neutron/rootwrap.conf', 'ip', 'netns', 'exec', 'qdhcp-df9dc8c6-447f-42a9-aece-d7743e204ea3', 'env', 'NEUTRON_NETWORK_ID=df9dc8c6-447f-42a9-aece-d7743e204ea3', 'dnsmasq', '--no-hosts', '--no-resolv', '--strict-order', '--bind-interfaces', '--interface=tapdf7a6130-3c', '--except-interface=lo', '--pid-file=/var/lib/neutron/dhcp/df9dc8c6-447f-42a9-aece-d7743e204ea3/pid', '--dhcp-hostsfile=/var/lib/neutron/dhcp/df9dc8c6-447f-42a9-aece-d7743e204ea3/host', '--addn-hosts=/var/lib/neutron/dhcp/df9dc8c6-447f-42a9-aece-d7743e204ea3/addn_hosts', '--dhcp-optsfile=/var/lib/neutron/dhcp/df9dc8c6-447f-42a9-aece-d7743e204ea3/opts', '--leasefile-ro', '--dhcp-range=tag0,10.2.0.0,static,86400s', '--dhcp-lease-max=256', '--conf-file=/etc/neutron/dnsmasq-neutron.conf', '--domain=openstacklocal']
2014-12-11 14:59:16.491 20564 TRACE neutron.agent.dhcp_agent Exit code: 2
2014-12-11 14:59:16.491 20564 TRACE neutron.agent.dhcp_agent Stdout: ''
2014-12-11 14:59:16.491 20564 TRACE neutron.agent.dhcp_agent Stderr: '\ndnsmasq: failed to set SO_REUSE{ADDR|PORT} on DHCP socket: Protocol not available\n'