[    2.169856] ip (286) used greatest stack depth: 12272 bytes left
[   42.710974] ip (2577) used greatest stack depth: 12192 bytes left
[   50.247385] netem: version 1.3
[  588.546028] tc (15679) used greatest stack depth: 11936 bytes left
[  649.146625] pm_nl_ctl (18823) used greatest stack depth: 11880 bytes left