[    1.548209] ip (251) used greatest stack depth: 12608 bytes left
[    1.728744] ip (273) used greatest stack depth: 12576 bytes left
[    1.791651] ip (282) used greatest stack depth: 12320 bytes left
[   20.225019] ip (1136) used greatest stack depth: 12160 bytes left
[   45.774909] netem: version 1.3
[  481.972954] ip (9646) used greatest stack depth: 12048 bytes left