[    4.767515] ip (870) used greatest stack depth: 12256 bytes left
[    6.784387] ip (1418) used greatest stack depth: 12032 bytes left
[   80.082384] ip (5402) used greatest stack depth: 12024 bytes left
[  552.243581] pm_nl_ctl (27772) used greatest stack depth: 11912 bytes left