[    2.058445] ip (261) used greatest stack depth: 12368 bytes left
[    2.098469] ip (264) used greatest stack depth: 12304 bytes left
[    2.439863] ip (283) used greatest stack depth: 12272 bytes left
[    5.623332] ip (522) used greatest stack depth: 12128 bytes left
[   26.653251] ip (1436) used greatest stack depth: 12000 bytes left
[   60.895891] netem: version 1.3
[  646.352248] tc (15685) used greatest stack depth: 11896 bytes left
[  711.091261] pm_nl_ctl (18832) used greatest stack depth: 11608 bytes left