[    1.626311] ip (254) used greatest stack depth: 12296 bytes left
[    1.930176] ip (286) used greatest stack depth: 12248 bytes left
[   47.870065] netem: version 1.3
[  467.999128] ip (10926) used greatest stack depth: 12232 bytes left
[  633.336184] pm_nl_ctl (18823) used greatest stack depth: 11872 bytes left