[    2.121929] ip (269) used greatest stack depth: 12624 bytes left
[    2.313038] ip (287) used greatest stack depth: 12344 bytes left
[   59.431984] netem: version 1.3
[  543.856039] ip (11873) used greatest stack depth: 12240 bytes left
[  569.050870] ip (13563) used greatest stack depth: 12064 bytes left
[  701.435681] pm_nl_ctl (18732) used greatest stack depth: 11768 bytes left