/var/log/openvswitch/*.log {
    daily
    compress
    create 640 root adm
    delaycompress
    missingok
    rotate 30
    postrotate
    # Tell Open vSwitch daemons to reopen their log files
    if [ -e /var/run/openvswitch/ovs-vswitchd.pid ]; then
        ovs-appctl -t ovs-vswitchd vlog/reopen
    fi
    if [ -e /var/run/openvswitch/ovsdb-server.pid ]; then
        ovs-appctl -t ovsdb-server vlog/reopen
    fi
    endscript
}