[    3.625707] ip (254) used greatest stack depth: 12392 bytes left
[    4.486825] ip (286) used greatest stack depth: 12296 bytes left
[    4.698827] ip (295) used greatest stack depth: 12168 bytes left
[   77.908485] netem: version 1.3
[  717.959398] pm_nl_ctl (24836) used greatest stack depth: 11864 bytes left