[    2.379614] ip (284) used greatest stack depth: 12344 bytes left
[   56.389516] netem: version 1.3
[   90.439695] ip (2928) used greatest stack depth: 12064 bytes left
[  607.068251] tc (13804) used greatest stack depth: 11936 bytes left
[  676.057239] pm_nl_ctl (16878) used greatest stack depth: 11848 bytes left