[    1.889992] ip (280) used greatest stack depth: 12320 bytes left
[   46.833411] netem: version 1.3
[   95.891998] ip (2611) used greatest stack depth: 12272 bytes left
[  493.352929] ip (10554) used greatest stack depth: 12112 bytes left
[  549.658053] tc (11915) used greatest stack depth: 11872 bytes left