[    2.154946] ip (254) used greatest stack depth: 12296 bytes left
[    2.590777] ip (295) used greatest stack depth: 12264 bytes left
[   49.320318] netem: version 1.3
[  329.734879] ip (7137) used greatest stack depth: 12232 bytes left
[  552.132863] tc (15676) used greatest stack depth: 11912 bytes left
[  608.988093] pm_nl_ctl (18819) used greatest stack depth: 11864 bytes left