[    2.304842] ip (270) used greatest stack depth: 12320 bytes left
[   53.929771] netem: version 1.3
[  155.955349] ip (3062) used greatest stack depth: 12176 bytes left
[  502.272421] ip (9126) used greatest stack depth: 12144 bytes left
[  585.603136] tc (11908) used greatest stack depth: 11872 bytes left