[    2.933570] ip (385) used greatest stack depth: 12032 bytes left
[   29.196924] ip (2188) used greatest stack depth: 12008 bytes left
[   50.157574] ip (3881) used greatest stack depth: 11992 bytes left
[  553.734160] pm_nl_ctl (27779) used greatest stack depth: 11912 bytes left