[    2.153194] ip (185) used greatest stack depth: 12352 bytes left
[   69.124238] ip (4728) used greatest stack depth: 12336 bytes left
[  116.728055] ip (5284) used greatest stack depth: 12320 bytes left
[  553.582203] pm_nl_ctl (25819) used greatest stack depth: 11944 bytes left