[    9.481650][  T199] ip (199) used greatest stack depth: 23672 bytes left
[  791.250428][T17007] ip (17007) used greatest stack depth: 23544 bytes left
[  810.755797][T17840] ip (17840) used greatest stack depth: 23128 bytes left
[ 1092.371818][T27810] pm_nl_ctl (27810) used greatest stack depth: 22920 bytes left