[    2.017485] ip (255) used greatest stack depth: 12400 bytes left
[    2.261315] ip (271) used greatest stack depth: 12368 bytes left
[    2.378346] ip (280) used greatest stack depth: 12352 bytes left
[   53.463055] netem: version 1.3
[  160.206573] ip (3075) used greatest stack depth: 12312 bytes left
[  308.086892] ip (4679) used greatest stack depth: 12200 bytes left
[  334.820491] ip (5142) used greatest stack depth: 12120 bytes left
[  592.752741] tc (11934) used greatest stack depth: 11936 bytes left