[    2.174852] ip (259) used greatest stack depth: 12392 bytes left
[    2.636831] ip (287) used greatest stack depth: 12344 bytes left
[   61.798810] netem: version 1.3
[  445.810303] ip (9724) used greatest stack depth: 12304 bytes left
[  636.041744] ip (16604) used greatest stack depth: 12064 bytes left
[  671.942522] pm_nl_ctl (18732) used greatest stack depth: 11872 bytes left