[    1.958897] ip (255) used greatest stack depth: 12392 bytes left
[    2.417851] ip (286) used greatest stack depth: 12344 bytes left
[    9.616570] ip (795) used greatest stack depth: 12192 bytes left
[   54.184786] netem: version 1.3
[  532.767938] ip (10589) used greatest stack depth: 12064 bytes left
[  602.446251] tc (12617) used greatest stack depth: 11936 bytes left