[    2.078893] ip (255) used greatest stack depth: 12352 bytes left
[   53.892252] netem: version 1.3
[  114.218427] ip (2743) used greatest stack depth: 12312 bytes left
[  319.706841] ip (4996) used greatest stack depth: 12200 bytes left
[  584.252809] tc (11926) used greatest stack depth: 11936 bytes left