[    1.791896] ip (254) used greatest stack depth: 12168 bytes left
[   52.577006] netem: version 1.3
[  112.976476] ip (3723) used greatest stack depth: 12120 bytes left
[  576.717222] tc (16941) used greatest stack depth: 11896 bytes left
[  632.611252] pm_nl_ctl (20242) used greatest stack depth: 11864 bytes left