[    2.060498] ip (276) used greatest stack depth: 12320 bytes left
[    8.004194] ip (835) used greatest stack depth: 12272 bytes left
[   47.183278] netem: version 1.3
[   93.912809] ip (2614) used greatest stack depth: 12160 bytes left
[  541.060655] tc (12072) used greatest stack depth: 11792 bytes left