[    4.484659] ip (867) used greatest stack depth: 12176 bytes left
[   17.179666] ip (1673) used greatest stack depth: 12088 bytes left
[  129.583677] ip (5180) used greatest stack depth: 12080 bytes left
[  567.011811] pm_nl_ctl (25165) used greatest stack depth: 11944 bytes left