[    1.315078] ip (217) used greatest stack depth: 12216 bytes left
[    1.365853] ip (230) used greatest stack depth: 11992 bytes left
[    1.387266] ip (239) used greatest stack depth: 11960 bytes left
[   50.729993] netem: version 1.3
[  552.553710] pm_nl_ctl (24826) used greatest stack depth: 11856 bytes left