[    4.748520] ip (832) used greatest stack depth: 12296 bytes left
[   59.649823] ip (4519) used greatest stack depth: 12280 bytes left
[   59.679186] ip (4528) used greatest stack depth: 12000 bytes left
[  552.623161] pm_nl_ctl (25819) used greatest stack depth: 11912 bytes left