[    1.840014] ip (286) used greatest stack depth: 12248 bytes left
[   49.205031] netem: version 1.3
[  364.973014] ip (8118) used greatest stack depth: 12232 bytes left
[  554.450262] tc (15678) used greatest stack depth: 11952 bytes left
[  613.501474] pm_nl_ctl (18822) used greatest stack depth: 11872 bytes left