/var/log/openvswitch/*.log {
    daily
    compress
    sharedscripts
    create 640 root adm
    missingok
    rotate 30
    postrotate
    # Tell Open vSwitch daemons to reopen their log files
    if [ -d /var/run/openvswitch ]; then
        for ctl in /var/run/openvswitch/*.ctl; do
            ovs-appctl -t "$ctl" vlog/reopen 2>/dev/null || :
        done
    fi
    endscript
}