[    2.661865] ip (261) used greatest stack depth: 12616 bytes left
[    2.851751] ip (271) used greatest stack depth: 12600 bytes left
[    2.980310] ip (280) used greatest stack depth: 12344 bytes left
[   61.530284] netem: version 1.3
[  229.811537] ip (5047) used greatest stack depth: 12232 bytes left
[  674.151995] pm_nl_ctl (18731) used greatest stack depth: 11608 bytes left