[    1.333073] ip (218) used greatest stack depth: 12152 bytes left
[   52.164339] netem: version 1.3
[   71.760964] ip (4635) used greatest stack depth: 12104 bytes left
[  130.251965] ip (5217) used greatest stack depth: 12072 bytes left
[  130.275571] ip (5226) used greatest stack depth: 11896 bytes left
[  529.034406] tc (20909) used greatest stack depth: 11704 bytes left