[    1.716705] ip (254) used greatest stack depth: 12168 bytes left
[   50.501252] netem: version 1.3
[   94.121579] ip (3757) used greatest stack depth: 11992 bytes left
[  559.946644] tc (16942) used greatest stack depth: 11888 bytes left
[  620.294140] pm_nl_ctl (20243) used greatest stack depth: 11592 bytes left