[    2.311748] ip (208) used greatest stack depth: 12056 bytes left
[   29.024274] ip (2100) used greatest stack depth: 12016 bytes left
[   77.310862] ip (5006) used greatest stack depth: 12000 bytes left
[  543.685990] pm_nl_ctl (26365) used greatest stack depth: 11912 bytes left