[    1.887623] ip (258) used greatest stack depth: 12248 bytes left
[   50.283285] netem: version 1.3
[  136.760027] ip (4034) used greatest stack depth: 12200 bytes left
[  558.372289] tc (15678) used greatest stack depth: 11952 bytes left
[  617.246846] pm_nl_ctl (18822) used greatest stack depth: 11872 bytes left