root@node02:~# systemctl status neutron-linuxbridge-agent
● neutron-linuxbridge-agent.service - neutron openstack service
   Loaded: loaded (/etc/systemd/system/neutron-linuxbridge-agent.service; enabled; vendor preset: enabled)
   Active: active (running) since Wed 2018-02-07 15:28:48 EST; 1s ago
 Main PID: 8607 (neutron-linuxbr)
    Tasks: 1
      CPU: 1.283s
   CGroup: /neutron.slice/neutron-linuxbridge-agent.service
           └─8607 /openstack/venvs/neutron-16.0.6/bin/python /openstack/venvs/neutron-16.0.6/bin/neutron-linuxbridge-agent --config-file /etc/neutron/neutron.conf --config-file /etc/neutron/plugins/ml2/

Feb 07 15:28:48 node02 systemd[1]: Started neutron openstack service.
Feb 07 15:28:49 node02 neutron-linuxbridge-agent[8607]: Guru meditation now registers SIGUSR1 and SIGUSR2 by default for backward compatibility. SIGUSR1 will no longer be registered in a future release,
root@node02:~#