[    2.446194] ip (217) used greatest stack depth: 12280 bytes left
[    2.543205] ip (250) used greatest stack depth: 12184 bytes left
[    6.595682] ip (1360) used greatest stack depth: 11960 bytes left
[   51.981123] netem: version 1.3
[  545.855553] pm_nl_ctl (24827) used greatest stack depth: 11864 bytes left