[    2.114655] ip (186) used greatest stack depth: 12360 bytes left
[   59.236257] ip (4431) used greatest stack depth: 12352 bytes left
[   69.206220] ip (4627) used greatest stack depth: 12344 bytes left
[  554.461370] pm_nl_ctl (25158) used greatest stack depth: 11888 bytes left