[    2.095457] ip (184) used greatest stack depth: 12296 bytes left
[    3.245846] ip (544) used greatest stack depth: 12088 bytes left
[    4.810869] ip (1029) used greatest stack depth: 12080 bytes left
[   50.001438] netem: version 1.3
[   68.475129] ip (4627) used greatest stack depth: 12024 bytes left
[  547.069937] pm_nl_ctl (24842) used greatest stack depth: 11864 bytes left