[    2.227319] ip (199) used greatest stack depth: 12096 bytes left
[   29.284279] ip (2380) used greatest stack depth: 12080 bytes left
[  120.312251] ip (5304) used greatest stack depth: 12072 bytes left
[  553.880053] pm_nl_ctl (25811) used greatest stack depth: 11936 bytes left