[    1.912141] ip (294) used greatest stack depth: 12288 bytes left
[   34.628627] ip (1840) used greatest stack depth: 12256 bytes left
[   48.177420] netem: version 1.3
[  558.571744] tc (15677) used greatest stack depth: 11936 bytes left
[  617.220525] pm_nl_ctl (18822) used greatest stack depth: 11784 bytes left