[Unit] Description=Open vSwitch After=network-pre.target Before=network.service [Service] Type=oneshot EnvironmentFile=-/etc/sysconfig/openvswitch ExecStart=/usr/share/openvswitch/scripts/ovs-ctl start \ --system-id=random $OPTIONS ExecStop=/usr/share/openvswitch/scripts/ovs-ctl stop RemainAfterExit=yes [Install] WantedBy=multi-user.target