[    2.076453] ip (258) used greatest stack depth: 12392 bytes left
[    2.358824] ip (277) used greatest stack depth: 12360 bytes left
[    2.588034] ip (295) used greatest stack depth: 12344 bytes left
[   57.133655] netem: version 1.3
[  329.453052] ip (5300) used greatest stack depth: 12304 bytes left
[  586.264009] ip (12204) used greatest stack depth: 12272 bytes left
[  596.742556] tc (12619) used greatest stack depth: 11936 bytes left