[    1.942233] sysctl (258) used greatest stack depth: 12896 bytes left
[    2.090244] ip (272) used greatest stack depth: 12560 bytes left
[    2.204621] ip (284) used greatest stack depth: 12288 bytes left
[   52.197394] netem: version 1.3
[  129.867871] ip (3638) used greatest stack depth: 12144 bytes left
[  639.878719] pm_nl_ctl (18822) used greatest stack depth: 11784 bytes left