[    2.139779] sysctl (253) used greatest stack depth: 12680 bytes left
[    2.284341] ip (265) used greatest stack depth: 12408 bytes left
[    2.372432] ip (275) used greatest stack depth: 12376 bytes left
[    3.983135] ip (428) used greatest stack depth: 12216 bytes left
[   10.086497] ip (1075) used greatest stack depth: 12168 bytes left
[   53.904277] netem: version 1.3
[  567.769455] tc (16943) used greatest stack depth: 11896 bytes left
[  636.188729] pm_nl_ctl (20242) used greatest stack depth: 11856 bytes left