[    1.437900] ip (253) used greatest stack depth: 12536 bytes left
[    1.648152] ip (275) used greatest stack depth: 12504 bytes left
[    2.776715] ip (407) used greatest stack depth: 12248 bytes left
[    6.326238] ip (792) used greatest stack depth: 12104 bytes left
[   50.661828] netem: version 1.3
[  559.553645] tc (15678) used greatest stack depth: 11952 bytes left
[  617.614765] pm_nl_ctl (18823) used greatest stack depth: 11864 bytes left