[    1.319961] ip (217) used greatest stack depth: 12280 bytes left
[    1.420900] ip (249) used greatest stack depth: 12248 bytes left
[    1.443851] ip (258) used greatest stack depth: 12232 bytes left
[   16.788577] ip (1720) used greatest stack depth: 11960 bytes left
[   50.999329] netem: version 1.3
[  542.487536] pm_nl_ctl (24834) used greatest stack depth: 11144 bytes left