[    1.945895] ip (271) used greatest stack depth: 12320 bytes left
[   32.252813] ip (1380) used greatest stack depth: 12272 bytes left
[   44.621176] ip (2099) used greatest stack depth: 12160 bytes left
[   44.888756] netem: version 1.3
[  557.374664] tc (11921) used greatest stack depth: 11872 bytes left