[    1.667267] ip (256) used greatest stack depth: 12248 bytes left
[    1.692977] ip (259) used greatest stack depth: 12184 bytes left
[   48.728806] netem: version 1.3
[  109.572618] ip (3768) used greatest stack depth: 11944 bytes left
[  561.955935] tc (16941) used greatest stack depth: 11920 bytes left
[  618.236771] pm_nl_ctl (20240) used greatest stack depth: 11864 bytes left