dhcp-error-log

xxx@ubuntu:~/devstack$ python /usr/local/bin/neutron-dhcp-agent --config-file /etc/neutron/neutron.conf --config-file=/etc/neutron/dhcp_agent.ini & echo $! >/opt/stack/status/stack/q-dhcp.pid; fg || echo "q-dhcp failed to start" | tee "/opt/stack/status/stack/q-dhcp.failure"
[1] 37132
python /usr/local/bin/neutron-dhcp-agent --config-file /etc/neutron/neutron.conf --config-file=/etc/neutron/dhcp_agent.ini
2014-10-09 14:41:35.782 INFO neutron.common.config [-] Logging enabled!
2014-10-09 14:41:35.789 DEBUG neutron.common.utils [-] Reloading cached file /etc/neutron/policy.json from (pid=37132) read_cached_file /opt/stack/neutron/neutron/common/utils.py:118
2014-10-09 14:41:35.789 DEBUG neutron.policy [-] Loading policies from file: /etc/neutron/policy.json from (pid=37132) _set_rules /opt/stack/neutron/neutron/policy.py:91
2014-10-09 14:41:35.826 DEBUG neutron.agent.linux.utils [req-0e949738-ed67-4a0b-a73a-3d4920b6b8e5 None None] Running command: ['dnsmasq', '--version'] from (pid=37132) create_process /opt/stack/neutron/neutron/agent/linux/utils.py:46
2014-10-09 14:41:35.981 DEBUG neutron.agent.linux.utils [req-0e949738-ed67-4a0b-a73a-3d4920b6b8e5 None None]
Command: ['dnsmasq', '--version']
Exit code: 0
Stdout: 'Dnsmasq version 2.59  Copyright (c) 2000-2011 Simon Kelley\nCompile time options IPv6 GNU-getopt DBus i18n DHCP TFTP conntrack IDN\n\nThis software comes with ABSOLUTELY NO WARRANTY.\nDnsmasq is free software, and you are welcome to redistribute it\nunder the terms of the GNU General Public License, version 2 or 3.\n'
Stderr: '' from (pid=37132) execute /opt/stack/neutron/neutron/agent/linux/utils.py:81
2014-10-09 14:41:35.982 ERROR neutron.agent.linux.dhcp [req-0e949738-ed67-4a0b-a73a-3d4920b6b8e5 None None] FAILED VERSION REQUIREMENT FOR DNSMASQ. DHCP AGENT MAY NOT RUN CORRECTLY! Please ensure that its version is 2.63 or above!
q-dhcp failed to start