[  209.551044][ T1234] ip (1234) used greatest stack depth: 23824 bytes left
[  364.136263][ T2126] netem: version 1.3
[  373.913282][ T2159] ip (2159) used greatest stack depth: 23776 bytes left
[ 1050.897120][ T5252] ip (5252) used greatest stack depth: 23760 bytes left