[    3.385901] ip (545) used greatest stack depth: 12104 bytes left
[   28.833529] ip (2240) used greatest stack depth: 12088 bytes left
[  104.155573] ip (4994) used greatest stack depth: 12072 bytes left
[  554.089001] pm_nl_ctl (25205) used greatest stack depth: 11944 bytes left