[   51.714037] netem: version 1.3
[  252.393710] sched: DL replenish lagged too much
[  496.715511] ip (13157) used greatest stack depth: 12120 bytes left
[  501.013829] ip (13629) used greatest stack depth: 11992 bytes left
[  625.899935] pm_nl_ctl (20239) used greatest stack depth: 11592 bytes left