[    1.543197] ip (269) used greatest stack depth: 12328 bytes left
[    1.610619] ip (278) used greatest stack depth: 12312 bytes left
[    1.678006] ip (287) used greatest stack depth: 12184 bytes left
[    1.745305] ip (296) used greatest stack depth: 12168 bytes left
[   77.241599] netem: version 1.3
[   94.715583] ip (4694) used greatest stack depth: 12008 bytes left
[  621.993633] tc (20919) used greatest stack depth: 11864 bytes left
[  686.254203] pm_nl_ctl (24824) used greatest stack depth: 11800 bytes left