[    2.214354] ip (189) used greatest stack depth: 12224 bytes left
[   28.956348] ip (2233) used greatest stack depth: 12176 bytes left
[   98.095301] ip (5176) used greatest stack depth: 12088 bytes left
[  527.557739] pm_nl_ctl (24821) used greatest stack depth: 11944 bytes left