[root@compute ~]# systemctl status neutron-openvswitch-agent.service
● neutron-openvswitch-agent.service - OpenStack Neutron Open vSwitch Agent
   Loaded: loaded (/usr/lib/systemd/system/neutron-openvswitch-agent.service; enabled; vendor preset: disabled)
   Active: active (running) since Wed 2018-05-16 18:30:58 MSK; 22min left
 Main PID: 1556 (neutron-openvsw)
    Tasks: 5
   CGroup: /system.slice/neutron-openvswitch-agent.service
           ├─1556 /usr/bin/python2 /usr/bin/neutron-openvswitch-agent --config-file /usr/share/neutron/neutron-dist.conf --config-file /etc/neutron/neutron.conf --config-file /etc/neutron/plugins/ml2/openvswitch_agent.ini --config-dir /etc/neutron/conf.d/common --conf...
           ├─1576 sudo neutron-rootwrap-daemon /etc/neutron/rootwrap.conf
           └─1577 /usr/bin/python2 /usr/bin/neutron-rootwrap-daemon /etc/neutron/rootwrap.conf

May 16 18:30:57 compute systemd[1]: Starting OpenStack Neutron Open vSwitch Agent...
May 16 18:30:58 compute neutron-enable-bridge-firewall.sh[1549]: net.bridge.bridge-nf-call-arptables = 1
May 16 18:30:58 compute neutron-enable-bridge-firewall.sh[1549]: net.bridge.bridge-nf-call-iptables = 1
May 16 18:30:58 compute neutron-enable-bridge-firewall.sh[1549]: net.bridge.bridge-nf-call-ip6tables = 1
May 16 18:30:58 compute systemd[1]: Started OpenStack Neutron Open vSwitch Agent.
May 16 18:30:58 compute neutron-openvswitch-agent[1556]: Guru meditation now registers SIGUSR1 and SIGUSR2 by default for backward compatibility. SIGUSR1 will no longer be registered in a future release, so please use SIGUSR2 to generate reports.
May 16 18:30:58 compute neutron-openvswitch-agent[1556]: Option "verbose" from group "DEFAULT" is deprecated for removal.  Its value may be silently ignored in the future.
May 16 18:30:58 compute neutron-openvswitch-agent[1556]: Option "rpc_backend" from group "DEFAULT" is deprecated for removal.  Its value may be silently ignored in the future.
May 16 18:30:58 compute neutron-openvswitch-agent[1556]: Option "notification_driver" from group "DEFAULT" is deprecated. Use option "driver" from group "oslo_messaging_notifications".
May 16 18:31:00 compute sudo[1576]:  neutron : TTY=unknown ; PWD=/ ; USER=root ; COMMAND=/bin/neutron-rootwrap-daemon /etc/neutron/rootwrap.conf
[root@compute ~]# systemctl restart neutron-openvswitch-agent.service
[root@compute ~]# systemctl status neutron-openvswitch-agent.service
● neutron-openvswitch-agent.service - OpenStack Neutron Open vSwitch Agent
   Loaded: loaded (/usr/lib/systemd/system/neutron-openvswitch-agent.service; enabled; vendor preset: disabled)
   Active: active (running) since Wed 2018-05-16 18:09:33 MSK; 4s ago
  Process: 2100 ExecStartPre=/usr/bin/neutron-enable-bridge-firewall.sh (code=exited, status=0/SUCCESS)
 Main PID: 2106 (neutron-openvsw)
    Tasks: 11
   CGroup: /system.slice/neutron-openvswitch-agent.service
           ├─1576 sudo neutron-rootwrap-daemon /etc/neutron/rootwrap.conf
           ├─1577 /usr/bin/python2 /usr/bin/neutron-rootwrap-daemon /etc/neutron/rootwrap.conf
           ├─2106 /usr/bin/python2 /usr/bin/neutron-openvswitch-agent --config-file /usr/share/neutron/neutron-dist.conf --config-file /etc/neutron/neutron.conf --config-file /etc/neutron/plugins/ml2/openvswitch_agent.ini --config-dir /etc/neutron/conf.d/common --conf...
           ├─2117 sudo neutron-rootwrap-daemon /etc/neutron/rootwrap.conf
           ├─2118 /usr/bin/python2 /usr/bin/neutron-rootwrap-daemon /etc/neutron/rootwrap.conf
           ├─2126 sudo neutron-rootwrap /etc/neutron/rootwrap.conf ovsdb-client monitor Interface name,ofport,external_ids --format=json
           ├─2127 /usr/bin/python2 /usr/bin/neutron-rootwrap /etc/neutron/rootwrap.conf ovsdb-client monitor Interface name,ofport,external_ids --format=json
           └─2135 /bin/ovsdb-client monitor Interface name,ofport,external_ids --format=json

May 16 18:09:33 compute neutron-enable-bridge-firewall.sh[2100]: net.bridge.bridge-nf-call-arptables = 1
May 16 18:09:33 compute neutron-enable-bridge-firewall.sh[2100]: net.bridge.bridge-nf-call-iptables = 1
May 16 18:09:33 compute neutron-enable-bridge-firewall.sh[2100]: net.bridge.bridge-nf-call-ip6tables = 1
May 16 18:09:33 compute systemd[1]: Started OpenStack Neutron Open vSwitch Agent.
May 16 18:09:33 compute neutron-openvswitch-agent[2106]: Guru meditation now registers SIGUSR1 and SIGUSR2 by default for backward compatibility. SIGUSR1 will no longer be registered in a future release, so please use SIGUSR2 to generate reports.
May 16 18:09:33 compute neutron-openvswitch-agent[2106]: Option "verbose" from group "DEFAULT" is deprecated for removal.  Its value may be silently ignored in the future.
May 16 18:09:33 compute neutron-openvswitch-agent[2106]: Option "rpc_backend" from group "DEFAULT" is deprecated for removal.  Its value may be silently ignored in the future.
May 16 18:09:33 compute neutron-openvswitch-agent[2106]: Option "notification_driver" from group "DEFAULT" is deprecated. Use option "driver" from group "oslo_messaging_notifications".
May 16 18:09:36 compute sudo[2117]:  neutron : TTY=unknown ; PWD=/ ; USER=root ; COMMAND=/bin/neutron-rootwrap-daemon /etc/neutron/rootwrap.conf
May 16 18:09:36 compute sudo[2126]:  neutron : TTY=unknown ; PWD=/ ; USER=root ; COMMAND=/bin/neutron-rootwrap /etc/neutron/rootwrap.conf ovsdb-client monitor Interface name,ofport,external_ids --format=json
[root@compute ~]#
[root@compute ~]#