[    2.677998] ip (247) used greatest stack depth: 12304 bytes left
[    3.316756] ip (414) used greatest stack depth: 12112 bytes left
[   23.731012] ip (1852) used greatest stack depth: 12072 bytes left
[   52.352187] netem: version 1.3
[   69.194220] ip (4651) used greatest stack depth: 12056 bytes left
[  545.283253] pm_nl_ctl (24676) used greatest stack depth: 11856 bytes left