[    2.519671] ip (217) used greatest stack depth: 12216 bytes left
[    2.573834] ip (230) used greatest stack depth: 11976 bytes left
[   30.980164] ip (2591) used greatest stack depth: 11960 bytes left
[   52.217256] netem: version 1.3
[   62.055124] ip (4477) used greatest stack depth: 11936 bytes left
[  558.242745] pm_nl_ctl (24668) used greatest stack depth: 11608 bytes left