[    1.670042] ip (252) used greatest stack depth: 12168 bytes left
[   35.726013] ip (1840) used greatest stack depth: 12008 bytes left
[   51.836056] netem: version 1.3
[  137.687384] sched: DL replenish lagged too much
[  552.761412] tc (16936) used greatest stack depth: 11880 bytes left
[  671.372447] pm_nl_ctl (20241) used greatest stack depth: 11864 bytes left