[    1.443572] ip (254) used greatest stack depth: 12168 bytes left
[   41.569547] ip (2763) used greatest stack depth: 11976 bytes left
[   49.399079] netem: version 1.3
[  138.292918] sched: DL replenish lagged too much
[  553.286758] tc (16939) used greatest stack depth: 11880 bytes left
[  611.170123] pm_nl_ctl (20240) used greatest stack depth: 11872 bytes left