[    1.913409] ip (256) used greatest stack depth: 12272 bytes left
[   41.672080] ip (2001) used greatest stack depth: 12144 bytes left
[   56.136189] netem: version 1.3
[  416.694845] ip (8789) used greatest stack depth: 12016 bytes left
[  627.123289] tc (15594) used greatest stack depth: 11936 bytes left
[  694.479568] pm_nl_ctl (18733) used greatest stack depth: 11592 bytes left