[    1.759696] ip (286) used greatest stack depth: 12248 bytes left
[   50.949850] netem: version 1.3
[  493.659506] ip (12177) used greatest stack depth: 12232 bytes left
[  567.933162] tc (15679) used greatest stack depth: 11912 bytes left
[  624.247302] pm_nl_ctl (18823) used greatest stack depth: 11752 bytes left