[    1.726678] ip (272) used greatest stack depth: 12472 bytes left
[    1.782453] ip (278) used greatest stack depth: 12392 bytes left
[    1.943106] ip (296) used greatest stack depth: 12216 bytes left
[   22.036833] ip (1503) used greatest stack depth: 12120 bytes left
[   50.332289] netem: version 1.3
[  128.188939] ip (3913) used greatest stack depth: 11944 bytes left
[  571.246205] tc (16939) used greatest stack depth: 11896 bytes left
[  628.445139] pm_nl_ctl (20240) used greatest stack depth: 11784 bytes left