[    1.887649] ip (255) used greatest stack depth: 12392 bytes left
[    1.921732] ip (258) used greatest stack depth: 12344 bytes left
[   58.558974] netem: version 1.3
[  364.973119] ip (6104) used greatest stack depth: 12304 bytes left
[  603.531712] tc (12960) used greatest stack depth: 11936 bytes left