[    2.739625] ip (292) used greatest stack depth: 12384 bytes left
[   64.463781] netem: version 1.3
[   74.359949] ip (3014) used greatest stack depth: 12360 bytes left
[  337.632572] ip (6214) used greatest stack depth: 12256 bytes left
[  557.606550] ip (12619) used greatest stack depth: 12168 bytes left
[  637.580386] tc (15685) used greatest stack depth: 11896 bytes left
[  701.852015] pm_nl_ctl (18830) used greatest stack depth: 11880 bytes left