[    2.230721] ip (295) used greatest stack depth: 12248 bytes left
[   54.310581] netem: version 1.3
[   68.930477] ip (3142) used greatest stack depth: 12232 bytes left
[  626.439575] tc (21376) used greatest stack depth: 11952 bytes left
[  683.549404] pm_nl_ctl (24518) used greatest stack depth: 11872 bytes left