[    2.328127] ip (226) used greatest stack depth: 12272 bytes left
[    5.316365] ip (1054) used greatest stack depth: 12264 bytes left
[   12.275558] ip (1601) used greatest stack depth: 12008 bytes left
[  535.920382] pm_nl_ctl (27779) used greatest stack depth: 11912 bytes left