[    2.675725] ip (279) used greatest stack depth: 12272 bytes left
[   51.710478] ip (2298) used greatest stack depth: 12248 bytes left
[   64.991459] netem: version 1.3
[  613.232133] tc (15596) used greatest stack depth: 11936 bytes left
[  677.971212] pm_nl_ctl (18735) used greatest stack depth: 11912 bytes left