[    1.824171] ip (267) used greatest stack depth: 12552 bytes left
[    1.899426] ip (276) used greatest stack depth: 12376 bytes left
[    1.971035] ip (285) used greatest stack depth: 12344 bytes left
[    2.038399] ip (294) used greatest stack depth: 12200 bytes left
[    5.556141] ip (660) used greatest stack depth: 12168 bytes left
[   52.912029] netem: version 1.3
[  584.805576] tc (16938) used greatest stack depth: 11888 bytes left
[  647.188689] pm_nl_ctl (20240) used greatest stack depth: 11768 bytes left