Yes sure we need this clean up. On 08/17/2015 09:13 AM, Dietmar Maurer wrote: > - system("/sbin/tc filter del dev $iface parent ffff: protocol ip prio > 50 estimator 1sec 8sec >/dev/null 2>&1"); > + system("/sbin/tc filter del dev $iface parent ffff: protocol all > pref 50 u32 >/dev/null 2>&1");