[    1.839382] ip (258) used greatest stack depth: 12184 bytes left
[   48.735928] netem: version 1.3
[  337.652583] ip (8165) used greatest stack depth: 12136 bytes left
[  532.640724] tc (16941) used greatest stack depth: 11928 bytes left
[  650.288433] pm_nl_ctl (20246) used greatest stack depth: 11880 bytes left