[    1.790359] ip (268) used greatest stack depth: 12376 bytes left
[    1.920366] ip (286) used greatest stack depth: 12232 bytes left
[    1.988550] ip (295) used greatest stack depth: 12200 bytes left
[   51.481565] netem: version 1.3
[  109.487335] ip (3723) used greatest stack depth: 12120 bytes left
[  159.287060] sched: DL replenish lagged too much
[  581.340615] tc (16939) used greatest stack depth: 11856 bytes left
[  641.352651] pm_nl_ctl (20240) used greatest stack depth: 11832 bytes left