[    2.144677] ip (199) used greatest stack depth: 12560 bytes left
[    2.160028] ip (205) used greatest stack depth: 12504 bytes left
[    5.364885] ip (1191) used greatest stack depth: 12320 bytes left
[   50.026301] netem: version 1.3
[   57.733200] ip (4442) used greatest stack depth: 12096 bytes left
[  536.026364] pm_nl_ctl (24832) used greatest stack depth: 11864 bytes left