[  306.695018][ T3080] netem: version 1.3
[  556.656192][ T4505] ip (4505) used greatest stack depth: 24016 bytes left
[  642.884563][ T5221] ip (5221) used greatest stack depth: 23792 bytes left
[ 1202.811723][ T9326] ip (9326) used greatest stack depth: 23288 bytes left
[ 2356.374189][T20245] pm_nl_ctl (20245) used greatest stack depth: 22736 bytes left