[    1.585899] ip (257) used greatest stack depth: 12248 bytes left
[    1.857925] ip (286) used greatest stack depth: 12024 bytes left
[   49.469004] netem: version 1.3
[   94.933681] ip (3919) used greatest stack depth: 11976 bytes left
[  535.139765] tc (16946) used greatest stack depth: 11920 bytes left
[  590.203640] pm_nl_ctl (20247) used greatest stack depth: 11864 bytes left