[    2.112945] ip (259) used greatest stack depth: 12632 bytes left
[    2.314067] ip (269) used greatest stack depth: 12600 bytes left
[    2.565512] ip (287) used greatest stack depth: 12344 bytes left
[   57.576424] netem: version 1.3
[  348.037169] ip (5672) used greatest stack depth: 12160 bytes left
[  611.264437] tc (12965) used greatest stack depth: 11936 bytes left