[    1.617867] ip (250) used greatest stack depth: 12368 bytes left
[    1.852785] ip (271) used greatest stack depth: 12320 bytes left
[   47.999255] netem: version 1.3
[   55.531188] ip (2238) used greatest stack depth: 12272 bytes left
[  322.610042] ip (5344) used greatest stack depth: 12032 bytes left
[  548.404175] tc (11917) used greatest stack depth: 11872 bytes left