[    2.115537] ip (195) used greatest stack depth: 12504 bytes left
[    2.137600] ip (204) used greatest stack depth: 12296 bytes left
[    4.175172] ip (837) used greatest stack depth: 12080 bytes left
[   27.959433] ip (2049) used greatest stack depth: 12056 bytes left
[   50.201855] netem: version 1.3
[  549.529512] pm_nl_ctl (24842) used greatest stack depth: 11864 bytes left