[    2.259282] ip (264) used greatest stack depth: 12552 bytes left
[    2.382648] ip (273) used greatest stack depth: 12536 bytes left
[    2.503868] ip (282) used greatest stack depth: 12352 bytes left
[   54.059738] netem: version 1.3
[  299.879536] ip (4318) used greatest stack depth: 12200 bytes left
[  606.328727] tc (11930) used greatest stack depth: 11936 bytes left