[    1.589343] ip (258) used greatest stack depth: 12296 bytes left
[    1.940567] ip (295) used greatest stack depth: 12248 bytes left
[   48.561986] netem: version 1.3
[  558.388748] tc (15679) used greatest stack depth: 11952 bytes left
[  616.975065] pm_nl_ctl (18825) used greatest stack depth: 11872 bytes left