[    2.008644] ip (257) used greatest stack depth: 12392 bytes left
[    2.248567] ip (273) used greatest stack depth: 12360 bytes left
[    2.451013] ip (291) used greatest stack depth: 12352 bytes left
[   10.508312] ip (855) used greatest stack depth: 12344 bytes left
[   53.294941] netem: version 1.3
[  294.278306] ip (4308) used greatest stack depth: 12072 bytes left
[  604.748952] tc (11918) used greatest stack depth: 11936 bytes left