[    2.562442] ip (219) used greatest stack depth: 12272 bytes left
[    2.620098] ip (237) used greatest stack depth: 12080 bytes left
[    4.418408] ip (726) used greatest stack depth: 12040 bytes left
[   29.752952] ip (2257) used greatest stack depth: 12032 bytes left
[   52.108801] netem: version 1.3
[  527.983504] pm_nl_ctl (24673) used greatest stack depth: 11856 bytes left