[    2.691761] ip (348) used greatest stack depth: 12360 bytes left
[   57.295842] ip (4427) used greatest stack depth: 12088 bytes left
[   88.368759] ip (5010) used greatest stack depth: 12072 bytes left
[  535.713828] pm_nl_ctl (25162) used greatest stack depth: 11944 bytes left