[    1.838302] ip (258) used greatest stack depth: 12912 bytes left
[    1.871862] ip (261) used greatest stack depth: 12616 bytes left
[    2.040216] ip (271) used greatest stack depth: 12584 bytes left
[    2.145344] ip (280) used greatest stack depth: 12344 bytes left
[   37.289069] ip (1710) used greatest stack depth: 12192 bytes left
[   53.806959] netem: version 1.3
[  681.854077] pm_nl_ctl (18730) used greatest stack depth: 11624 bytes left