[    2.128716] ip (254) used greatest stack depth: 12392 bytes left
[    2.624378] ip (286) used greatest stack depth: 12360 bytes left
[    4.320674] ip (400) used greatest stack depth: 12344 bytes left
[   39.763589] ip (1538) used greatest stack depth: 12192 bytes left
[   57.059727] netem: version 1.3
[  534.136914] ip (10636) used greatest stack depth: 12064 bytes left
[  619.700310] tc (13805) used greatest stack depth: 11936 bytes left
[  683.168174] pm_nl_ctl (16723) used greatest stack depth: 11832 bytes left