[    2.705875] ip (348) used greatest stack depth: 12416 bytes left
[    4.307948] ip (849) used greatest stack depth: 12176 bytes left
[   22.909183] ip (1848) used greatest stack depth: 12096 bytes left
[   36.733124] ip (3067) used greatest stack depth: 12072 bytes left
[  556.847867] pm_nl_ctl (25173) used greatest stack depth: 11944 bytes left