[    2.282698] ip (280) used greatest stack depth: 12320 bytes left
[   51.295582] netem: version 1.3
[  324.170823] ip (5144) used greatest stack depth: 12272 bytes left
[  494.822202] ip (9044) used greatest stack depth: 12088 bytes left
[  580.716684] tc (11927) used greatest stack depth: 11872 bytes left