[  481.383696][ T4324] netem: version 1.3
[  868.155080][ T6447] ip (6447) used greatest stack depth: 23920 bytes left
[ 2530.943718][T20593] ip (20593) used greatest stack depth: 23904 bytes left
[ 2858.832318][T24726] pm_nl_ctl (24726) used greatest stack depth: 22704 bytes left