[    2.115775] ip (255) used greatest stack depth: 12392 bytes left
[    2.525747] ip (277) used greatest stack depth: 12360 bytes left
[    2.663885] ip (286) used greatest stack depth: 12344 bytes left
[   59.036960] netem: version 1.3
[   76.515643] ip (2820) used greatest stack depth: 12064 bytes left
[  610.457158] tc (13804) used greatest stack depth: 11936 bytes left