[    2.131549] ip (186) used greatest stack depth: 12360 bytes left
[   56.044901] ip (4424) used greatest stack depth: 12352 bytes left
[  103.360748] ip (4791) used greatest stack depth: 12312 bytes left
[  556.605571] pm_nl_ctl (25166) used greatest stack depth: 11944 bytes left