while tc filter show dev $interface | grep '$hexIP' -B 1 > /dev/null; do
                filter=\$(tc filter show dev $interface | grep '$hexIP' -B 1);
                filter=\${filter#*'fh '};
                handle=\${filter%%' '*};
                tc filter del dev $interface parent 1: handle \$handle prio 1 protocol ip u32;