[    2.305476] ip (260) used greatest stack depth: 12304 bytes left
[    2.774955] ip (288) used greatest stack depth: 12272 bytes left
[   65.054343] netem: version 1.3
[   80.045466] ip (3131) used greatest stack depth: 12240 bytes left
[  340.753855] ip (6769) used greatest stack depth: 12104 bytes left
[  609.505645] tc (15590) used greatest stack depth: 11936 bytes left
[  660.547798] kworker/3:2 (61) used greatest stack depth: 11808 bytes left