[    1.761537] ip (254) used greatest stack depth: 12296 bytes left
[    2.223720] ip (295) used greatest stack depth: 12248 bytes left
[   52.847472] netem: version 1.3
[   97.640897] ip (3489) used greatest stack depth: 11976 bytes left
[  632.393287] tc (21122) used greatest stack depth: 11952 bytes left
[  689.458405] pm_nl_ctl (24263) used greatest stack depth: 11752 bytes left