Netem duplication can cause infinite loop in qdisc_run
because the qlen of the parent qdisc is not affected by the duplication.

Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: Chris Wright <chrisw@osdl.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>