[    2.356645] ip (286) used greatest stack depth: 12360 bytes left
[    3.614623] ip (382) used greatest stack depth: 12192 bytes left
[   56.444634] netem: version 1.3
[  305.863750] ip (5376) used greatest stack depth: 12064 bytes left
[  671.011092] pm_nl_ctl (16873) used greatest stack depth: 11848 bytes left