[    2.771878] ip (357) used greatest stack depth: 12120 bytes left
[   22.801126] ip (1839) used greatest stack depth: 12088 bytes left
[   57.176534] ip (4433) used greatest stack depth: 12072 bytes left
[  535.706516] pm_nl_ctl (25031) used greatest stack depth: 11944 bytes left