[    1.968310] ip (261) used greatest stack depth: 12336 bytes left
[    5.474581] ip (557) used greatest stack depth: 12224 bytes left
[   50.349699] netem: version 1.3
[  536.398023] ip (11138) used greatest stack depth: 12192 bytes left
[  566.699407] tc (11912) used greatest stack depth: 11872 bytes left