[    1.680516] ip (254) used greatest stack depth: 12296 bytes left
[   48.201886] netem: version 1.3
[  516.192779] ip (13881) used greatest stack depth: 12232 bytes left
[  574.083056] tc (15685) used greatest stack depth: 11952 bytes left
[  633.163103] pm_nl_ctl (18829) used greatest stack depth: 11856 bytes left