root@controller:~# service neutron-linuxbridge-agent restart
root@controller:~# service neutron-linuxbridge-agent status
● neutron-linuxbridge-agent.service - Openstack Neutron Linux Bridge Agent
    Loaded: loaded (/lib/systemd/system/neutron-linuxbridge-agent.service;
enabled; vendor preset: enabled)
    Active: active (running) since Tue 2016-05-31 22:07:34 KST; 4s ago
   Process: 16972 ExecStartPre=/bin/chown neutron:neutron /var/lock/neutron /var/
log/neutron /var/lib/neutron (code=exited, status=0/SUCCESS)
   Process: 16969 ExecStartPre=/bin/mkdir -p /var/lock/neutron /var/log/neutron /
var/lib/neutron (code=exited, status=0/SUCCESS)
  Main PID: 16975 (neutron-linuxbr)
     Tasks: 1
    Memory: 83.1M
       CPU: 1.692s
    CGroup: /system.slice/neutron-linuxbridge-agent.service
            └─16975 /usr/bin/python /usr/bin/neutron-linuxbridge-agent –config-
file=/etc/neutron/neutron.conf –config-file=/etc/neutron/plugins/ml2/linuxbridge_
agent.ini –log-file=/var/log/neutron/neutron-linuxbridge-agent.log