[    2.624639] ip (279) used greatest stack depth: 12320 bytes left
[    4.159433] ip (379) used greatest stack depth: 12216 bytes left
[   48.243694] ip (2017) used greatest stack depth: 12160 bytes left
[   55.133620] netem: version 1.3
[  693.307793] kworker/dying (9) used greatest stack depth: 11920 bytes left