[    1.459234] ip (239) used greatest stack depth: 12536 bytes left
[    1.468709] ip (242) used greatest stack depth: 12456 bytes left
[    1.488572] ip (248) used greatest stack depth: 11960 bytes left
[   51.306610] netem: version 1.3
[   60.436238] ip (4469) used greatest stack depth: 11952 bytes left
[  520.560658] tc (21120) used greatest stack depth: 11864 bytes left
[  564.400473] pm_nl_ctl (24830) used greatest stack depth: 11856 bytes left