[    1.694016] ip (268) used greatest stack depth: 12536 bytes left
[    1.771297] ip (278) used greatest stack depth: 12456 bytes left
[    1.928401] ip (296) used greatest stack depth: 12328 bytes left
[    2.638030] ip (382) used greatest stack depth: 12200 bytes left
[   49.590716] netem: version 1.3
[  556.035952] tc (15682) used greatest stack depth: 11952 bytes left
[  614.124056] pm_nl_ctl (18826) used greatest stack depth: 11872 bytes left