[    1.850671] ip (257) used greatest stack depth: 12392 bytes left
[    1.884974] ip (260) used greatest stack depth: 12344 bytes left
[   54.530954] netem: version 1.3
[   64.294359] ip (2366) used greatest stack depth: 12304 bytes left
[  125.839033] ip (2915) used greatest stack depth: 12064 bytes left
[  608.314806] tc (12619) used greatest stack depth: 11936 bytes left