[    1.560489] ip (256) used greatest stack depth: 12296 bytes left
[    1.880477] ip (294) used greatest stack depth: 12248 bytes left
[   47.446611] netem: version 1.3
[   56.366479] ip (2991) used greatest stack depth: 11952 bytes left
[  625.905310] pm_nl_ctl (18823) used greatest stack depth: 11872 bytes left