[    1.730652] ip (254) used greatest stack depth: 12144 bytes left
[    4.150761] ip (523) used greatest stack depth: 12096 bytes left
[   49.869160] netem: version 1.3
[  559.472799] tc (16944) used greatest stack depth: 11896 bytes left
[  616.785547] pm_nl_ctl (20245) used greatest stack depth: 11864 bytes left