[    1.856727] sysctl (259) used greatest stack depth: 12824 bytes left
[    1.983592] ip (268) used greatest stack depth: 12600 bytes left
[    2.068918] ip (277) used greatest stack depth: 12504 bytes left
[    2.248945] ip (295) used greatest stack depth: 12376 bytes left
[    8.889495] ip (1001) used greatest stack depth: 12232 bytes left
[   52.499252] netem: version 1.3
[  568.832091] tc (15680) used greatest stack depth: 11952 bytes left
[  628.641695] pm_nl_ctl (18823) used greatest stack depth: 11856 bytes left