[    1.678794] ip (254) used greatest stack depth: 12168 bytes left
[    1.725270] ip (259) used greatest stack depth: 12120 bytes left
[   54.766191] netem: version 1.3
[   61.363659] ip (3240) used greatest stack depth: 11944 bytes left
[  551.587576] tc (16938) used greatest stack depth: 11880 bytes left
[  611.477630] pm_nl_ctl (20240) used greatest stack depth: 11864 bytes left