[    1.669544] ip (252) used greatest stack depth: 12296 bytes left
[   48.669685] netem: version 1.3
[  492.158419] ip (14008) used greatest stack depth: 12232 bytes left
[  548.530728] tc (15677) used greatest stack depth: 11952 bytes left
[  606.629776] pm_nl_ctl (18822) used greatest stack depth: 11856 bytes left