[    1.857104] ip (247) used greatest stack depth: 12392 bytes left
[    2.070995] ip (259) used greatest stack depth: 12344 bytes left
[   53.756296] netem: version 1.3
[   75.431704] ip (2357) used greatest stack depth: 12184 bytes left
[  587.610064] tc (11919) used greatest stack depth: 11872 bytes left