[    2.027391] ip (293) used greatest stack depth: 12248 bytes left
[   22.139426] ip (1428) used greatest stack depth: 11976 bytes left
[   49.136739] netem: version 1.3
[  585.154953] tc (15681) used greatest stack depth: 11912 bytes left
[  644.061634] pm_nl_ctl (18825) used greatest stack depth: 11872 bytes left