[    1.602272] ip (248) used greatest stack depth: 12912 bytes left
[    1.653195] ip (253) used greatest stack depth: 12368 bytes left
[    1.856952] ip (278) used greatest stack depth: 12320 bytes left
[    8.175272] ip (912) used greatest stack depth: 12160 bytes left
[   45.695890] netem: version 1.3
[  524.467548] tc (11913) used greatest stack depth: 11872 bytes left