[    2.152211] ip (189) used greatest stack depth: 12576 bytes left
[    2.256297] ip (224) used greatest stack depth: 12560 bytes left
[    4.313448] ip (823) used greatest stack depth: 12368 bytes left
[   11.523850] ip (1488) used greatest stack depth: 12144 bytes left
[   29.052176] ip (2235) used greatest stack depth: 12088 bytes left
[  544.509640] pm_nl_ctl (25816) used greatest stack depth: 11944 bytes left