[    2.183254] ip (190) used greatest stack depth: 12416 bytes left
[    4.445357] ip (858) used greatest stack depth: 12152 bytes left
[    5.546448] ip (1182) used greatest stack depth: 12088 bytes left
[   66.639028] ip (4703) used greatest stack depth: 12072 bytes left
[  543.713248] pm_nl_ctl (25812) used greatest stack depth: 11944 bytes left