[    2.478865] ip (218) used greatest stack depth: 12216 bytes left
[    3.160588] ip (399) used greatest stack depth: 11960 bytes left
[   52.323093] netem: version 1.3
[  132.672153] ip (5203) used greatest stack depth: 11936 bytes left
[  572.391957] pm_nl_ctl (24823) used greatest stack depth: 11864 bytes left