[    1.813089] ip (253) used greatest stack depth: 12248 bytes left
[    4.488009] ip (497) used greatest stack depth: 12200 bytes left
[   53.335665] netem: version 1.3
[  562.415807] tc (15682) used greatest stack depth: 11952 bytes left
[  619.241665] pm_nl_ctl (18827) used greatest stack depth: 11872 bytes left