[   44.308663] ip (2782) used greatest stack depth: 12040 bytes left
[   52.202770] netem: version 1.3
[  463.861983] ip (11864) used greatest stack depth: 12024 bytes left
[  566.474859] tc (16944) used greatest stack depth: 11920 bytes left
[  624.278229] pm_nl_ctl (20243) used greatest stack depth: 11848 bytes left