[    1.407537] ip (254) used greatest stack depth: 12248 bytes left
[   45.523891] netem: version 1.3
[  463.256723] ip (12585) used greatest stack depth: 12200 bytes left
[  471.692787] ip (13527) used greatest stack depth: 12120 bytes left
[  532.861993] tc (15687) used greatest stack depth: 11928 bytes left
[  591.254028] pm_nl_ctl (18831) used greatest stack depth: 11872 bytes left