[    1.687718] ip (254) used greatest stack depth: 12368 bytes left
[    1.931523] ip (279) used greatest stack depth: 12320 bytes left
[    4.695216] ip (546) used greatest stack depth: 12160 bytes left
[   46.277333] netem: version 1.3
[  286.343669] ip (4555) used greatest stack depth: 12048 bytes left
[  517.471312] ip (11156) used greatest stack depth: 12000 bytes left
[  545.656256] tc (11921) used greatest stack depth: 11872 bytes left