[    1.753721] ip (255) used greatest stack depth: 12320 bytes left
[   48.073833] netem: version 1.3
[  291.618808] ip (4687) used greatest stack depth: 12272 bytes left
[  420.555147] ip (7606) used greatest stack depth: 12088 bytes left
[  486.676487] ip (10317) used greatest stack depth: 12048 bytes left
[  546.579017] tc (11901) used greatest stack depth: 11824 bytes left