[    2.338964] ip (226) used greatest stack depth: 12480 bytes left
[    3.413824] ip (524) used greatest stack depth: 12328 bytes left
[   63.042367] ip (4996) used greatest stack depth: 12272 bytes left
[   63.102498] ip (5014) used greatest stack depth: 11992 bytes left
[  580.144112] pm_nl_ctl (27771) used greatest stack depth: 11912 bytes left