Openwrt is a single user system. So keepalived is runnig as root.
If we add the config options `script_user root` and
`enabled_script_security' the following warnings are gone.
> local1.info Keepalived_vrrp[5382]: SECURITY VIOLATION - scripts are
being executed but script_security not enabled.
Signed-off-by: Florian Eckert <fe@dev.tdt.de>