[    2.216278] ip (257) used greatest stack depth: 12856 bytes left
[    2.262667] ip (260) used greatest stack depth: 12304 bytes left
[    2.801045] ip (289) used greatest stack depth: 12272 bytes left
[   47.168909] ip (1981) used greatest stack depth: 12104 bytes left
[   64.620458] netem: version 1.3
[  634.949650] tc (15675) used greatest stack depth: 11936 bytes left
[  699.160618] pm_nl_ctl (18819) used greatest stack depth: 11880 bytes left