[    2.211734] ip (206) used greatest stack depth: 12616 bytes left
[    2.260815] ip (224) used greatest stack depth: 12544 bytes left
[    4.391857] ip (867) used greatest stack depth: 12080 bytes left
[   50.676889] netem: version 1.3
[  532.432742] pm_nl_ctl (24833) used greatest stack depth: 11936 bytes left