[   23.329707][  T849] ip (849) used greatest stack depth: 24072 bytes left
[   75.712728][ T2400] ip (2400) used greatest stack depth: 23912 bytes left
[  123.561268][ T3897] ip (3897) used greatest stack depth: 23464 bytes left
[  998.100763][T25127] pm_nl_ctl (25127) used greatest stack depth: 22256 bytes left