[    2.069104] ip (256) used greatest stack depth: 12168 bytes left
[    2.439345] ip (292) used greatest stack depth: 11944 bytes left
[   71.786435] netem: version 1.3
[  613.877954] tc (23603) used greatest stack depth: 11880 bytes left
[  686.743960] pm_nl_ctl (27733) used greatest stack depth: 11800 bytes left