[    3.326212] ip (527) used greatest stack depth: 12128 bytes left
[   22.913041] ip (1849) used greatest stack depth: 12088 bytes left
[   71.952836] ip (4891) used greatest stack depth: 12072 bytes left
[  524.053834] pm_nl_ctl (25826) used greatest stack depth: 11944 bytes left