[    1.849344] ip (253) used greatest stack depth: 12248 bytes left
[   50.561175] netem: version 1.3
[  114.841809] ip (3632) used greatest stack depth: 12152 bytes left
[  567.771992] tc (15681) used greatest stack depth: 11928 bytes left
[  624.206856] pm_nl_ctl (18828) used greatest stack depth: 11872 bytes left