[    2.126452] ip (192) used greatest stack depth: 12320 bytes left
[    4.310570] ip (852) used greatest stack depth: 12096 bytes left
[   47.544565] ip (3413) used greatest stack depth: 12080 bytes left
[   50.361821] netem: version 1.3
[   68.629047] ip (4616) used greatest stack depth: 12056 bytes left
[  544.951403] pm_nl_ctl (24816) used greatest stack depth: 11944 bytes left