计算节点出现如下问题

计算节点安装neutron组件时，OpenStack Neutron Open vSwitch Agent起不来，出现如下错误

neutron-openvswitch-agent.service - OpenStack Neutron Open vSwitch Agent
Loaded: loaded (/usr[img]file:///C:\Users\ZHANG-PC\AppData\Local\Temp\)A[Y)I~](ZC9Z[3Y)IDK7LK.gif[/img]b/systemd/system/neutron-openvswitch-agent.service; enabled; vendor preset: disabled)
Active: failed (Result: exit-code) since Fri 2016-04-29 18:47:37 CST; 3s ago
Process: 14074 ExecStart=/usr/bin/neutron-openvswitch-agent --config-file /usrfile:///C:\Users\ZHANG-PC\AppData\Local\Temp\UG9`@AH2%L{}S0N6}3E~FO2.gif/neutron/neutron-dist.conf --config-file /etc/neutron/neutron.conf --config-file /etc/neutron/plugins/openvswitch/ovs_neutron_plugin.ini --config-dir /etc/neutron/conf.d/neutron-openvswitch-agent --log-file [img]file:///C:\Users\ZHANG-PC\AppData\Local\Temp\[LC3U)F{0XCAB)LKNIT0K@G.gif[/img]ar/log/neutron/openvswitch-agent.log (code=exited, status=1/FAILURE)
Main PID: 14074 (code=exited, status=1/FAILURE)

Apr 29 18:47:37 compute2 neutron-openvswitch-agent[14074]: File "/usr[img]file:///C:\Users\ZHANG-PC\AppData\Local\Temp\)A[Y)I~](ZC9Z[3Y)IDK7LK.gif[/img]b/python2.7/site-packages/neutron/plugins/openvswitch/agent/ovs_neutron_agent.py", line 1731, in main
Apr 29 18:47:37 compute2 neutron-openvswitch-agent[14074]: common_config.init(sys.argv[1:])
Apr 29 18:47:37 compute2 neutron-openvswitch-agent[14074]: File "/usr[img]file:///C:\Users\ZHANG-PC\AppData\Local\Temp\)A[Y)I~](ZC9Z[3Y)IDK7LK.gif[/img]b/python2.7/site-packages/neutron/common/config.py", line 185, in init
Apr 29 18:47:37 compute2 neutron-openvswitch-agent[14074]: **kwargs)
Apr 29 18:47:37 compute2 neutron-openvswitch-agent[14074]: File "/usr[img]file:///C:\Users\ZHANG-PC\AppData\Local\Temp\)A[Y)I~](ZC9Z[3Y)IDK7LK.gif[/img]b/python2.7/site-packages/oslo_config/cfg.py", line 1860, in __call__
Apr 29 18:47:37 compute2 neutron-openvswitch-agent[14074]: self._namespace._files_permission_denied)
Apr 29 18:47:37 compute2 neutron-openvswitch-agent[14074]: oslo_config.cfg.ConfigFilesPermissionDeniedError: Failed to open some config files: /etc/neutron/neutron.conf
Apr 29 18:47:37 compute2 systemd[1]: neutron-openvswitch-agent.service: main process exited, code=exited, status=1/FAILURE
Apr 29 18:47:37 compute2 systemd[1]: Unit neutron-openvswitch-agent.service entered failed state.
Apr 29 18:47:37 compute2 systemd[1]: neutron-openvswitch-agent.service failed.