[    2.452993] ip (216) used greatest stack depth: 12216 bytes left
[    4.852176] ip (882) used greatest stack depth: 12040 bytes left
[   29.687084] ip (2260) used greatest stack depth: 11992 bytes left
[   51.996366] netem: version 1.3
[   65.768216] ip (4673) used greatest stack depth: 11960 bytes left
[  539.344129] pm_nl_ctl (24830) used greatest stack depth: 11848 bytes left