[    2.907457] ip (240) used greatest stack depth: 12008 bytes left
[    2.996883] ip (258) used greatest stack depth: 11960 bytes left
[   52.903870] netem: version 1.3
[   91.797292] ip (5042) used greatest stack depth: 11936 bytes left
[  535.337080] pm_nl_ctl (24680) used greatest stack depth: 11864 bytes left