The [QDisc] section manages the traffic control queueing
discipline (qdisc).
Parent=
Specifies the parent Queueing Discipline (qdisc). Takes one
of "clsact" or "ingress". This is mandatory.
Handle=
Configures the major number of unique identifier of the
qdisc, known as the handle. Takes a hexadecimal number in the
range 0x1–0xffff. Defaults to unset.