[    1.999256] ip (255) used greatest stack depth: 12392 bytes left
[    2.326621] ip (277) used greatest stack depth: 12360 bytes left
[    2.440191] ip (286) used greatest stack depth: 12344 bytes left
[   43.656116] ip (1898) used greatest stack depth: 12192 bytes left
[   53.978779] netem: version 1.3
[  379.931901] ip (6860) used greatest stack depth: 12064 bytes left
[  682.580760] kworker/0:2 (514) used greatest stack depth: 11960 bytes left