[    1.369241] ip (218) used greatest stack depth: 12152 bytes left
[    4.759153] ip (1061) used greatest stack depth: 12120 bytes left
[   52.000468] netem: version 1.3
[   69.500613] ip (4653) used greatest stack depth: 11976 bytes left
[  117.538745] ip (5227) used greatest stack depth: 11896 bytes left
[  514.675740] tc (20912) used greatest stack depth: 11704 bytes left