[    2.197103] ip (284) used greatest stack depth: 12384 bytes left
[   53.785793] netem: version 1.3
[  188.962451] ip (4214) used greatest stack depth: 12256 bytes left
[  629.009618] tc (15685) used greatest stack depth: 11936 bytes left
[  696.297549] pm_nl_ctl (18829) used greatest stack depth: 11880 bytes left