[    1.638617] ip (256) used greatest stack depth: 12248 bytes left
[    9.450922] ip (1155) used greatest stack depth: 12104 bytes left
[   48.379441] netem: version 1.3
[  566.752205] tc (15681) used greatest stack depth: 11952 bytes left
[  625.137126] pm_nl_ctl (18827) used greatest stack depth: 11736 bytes left