[    1.952347] ip (259) used greatest stack depth: 12184 bytes left
[   10.707504] ip (1213) used greatest stack depth: 12136 bytes left
[   52.490797] netem: version 1.3
[   85.281017] ip (3585) used greatest stack depth: 11976 bytes left
[  570.245235] tc (16942) used greatest stack depth: 11928 bytes left
[  627.656973] pm_nl_ctl (20243) used greatest stack depth: 11880 bytes left