[    1.365264] ip (219) used greatest stack depth: 12216 bytes left
[    3.257936] ip (731) used greatest stack depth: 11976 bytes left
[   51.036685] netem: version 1.3
[  127.036546] ip (5222) used greatest stack depth: 11960 bytes left
[  127.059107] ip (5231) used greatest stack depth: 11936 bytes left
[  523.061312] tc (21130) used greatest stack depth: 11784 bytes left