[    2.463269] ip (281) used greatest stack depth: 12352 bytes left
[   55.644700] netem: version 1.3
[  299.453510] ip (4582) used greatest stack depth: 12312 bytes left
[  516.197294] ip (9901) used greatest stack depth: 12072 bytes left
[  590.684310] tc (11933) used greatest stack depth: 11936 bytes left