[    2.162656] ip (207) used greatest stack depth: 12152 bytes left
[    4.914167] ip (1028) used greatest stack depth: 12104 bytes left
[   17.022371] ip (1655) used greatest stack depth: 12080 bytes left
[   50.312237] netem: version 1.3
[  528.811369] pm_nl_ctl (24840) used greatest stack depth: 11936 bytes left