[  122.050257][ T4274] netem: version 1.3
[  563.250279][T10840] ip (10840) used greatest stack depth: 23888 bytes left
[  707.353012][T14148] ip (14148) used greatest stack depth: 23592 bytes left
[  834.185991][T19027] ip (19027) used greatest stack depth: 23392 bytes left
[ 1006.034037][T24789] pm_nl_ctl (24789) used greatest stack depth: 22848 bytes left