[    2.543306] ip (216) used greatest stack depth: 12736 bytes left
[    2.599623] ip (229) used greatest stack depth: 12536 bytes left
[    2.646412] ip (247) used greatest stack depth: 12520 bytes left
[   23.567742] ip (1845) used greatest stack depth: 12312 bytes left
[   49.789175] ip (3607) used greatest stack depth: 12048 bytes left
[   52.340853] netem: version 1.3
[   61.197829] ip (4464) used greatest stack depth: 12040 bytes left
[  551.525136] pm_nl_ctl (24672) used greatest stack depth: 11856 bytes left