[    1.430615] ip (217) used greatest stack depth: 12216 bytes left
[    4.594870] ip (1062) used greatest stack depth: 12184 bytes left
[   22.643813] ip (1875) used greatest stack depth: 12008 bytes left
[   28.224700] ip (2085) used greatest stack depth: 11960 bytes left
[   51.302401] netem: version 1.3
[  529.659572] pm_nl_ctl (24825) used greatest stack depth: 11832 bytes left