[  332.469591][ T3076] netem: version 1.3
[  950.814984][ T6817] ip (6817) used greatest stack depth: 23800 bytes left
[ 1035.833344][ T7406] ip (7406) used greatest stack depth: 23440 bytes left
[ 2323.737045][T18660] ip (18660) used greatest stack depth: 23408 bytes left
[ 2441.316584][T20249] pm_nl_ctl (20249) used greatest stack depth: 22848 bytes left