[    1.646949] ip (254) used greatest stack depth: 12296 bytes left
[    2.036101] ip (295) used greatest stack depth: 12248 bytes left
[   33.829844] ip (1734) used greatest stack depth: 12104 bytes left
[   47.111531] netem: version 1.3
[  554.197423] tc (15679) used greatest stack depth: 11952 bytes left
[  612.421117] pm_nl_ctl (18824) used greatest stack depth: 11832 bytes left