[    1.953154] ip (256) used greatest stack depth: 12392 bytes left
[    2.372066] ip (287) used greatest stack depth: 12344 bytes left
[   11.118586] ip (1037) used greatest stack depth: 12192 bytes left
[   46.488969] ip (2550) used greatest stack depth: 12064 bytes left
[   55.080999] netem: version 1.3
[  659.637605] pm_nl_ctl (18732) used greatest stack depth: 11872 bytes left