[    2.296104] ip (258) used greatest stack depth: 12344 bytes left
[    6.207333] ip (565) used greatest stack depth: 12168 bytes left
[   50.852157] ip (2095) used greatest stack depth: 12152 bytes left
[   51.277262] netem: version 1.3
[  571.061152] tc (11935) used greatest stack depth: 11872 bytes left