[    2.179802] ip (281) used greatest stack depth: 12320 bytes left
[   54.083314] netem: version 1.3
[   65.022230] ip (2257) used greatest stack depth: 12272 bytes left
[  587.262110] ip (11407) used greatest stack depth: 12048 bytes left
[  606.852964] tc (12078) used greatest stack depth: 11904 bytes left