[    1.961152] ip (272) used greatest stack depth: 12592 bytes left
[    2.038301] ip (281) used greatest stack depth: 12456 bytes left
[    2.114846] ip (290) used greatest stack depth: 12320 bytes left
[   47.691773] netem: version 1.3
[  114.901034] ip (2839) used greatest stack depth: 12160 bytes left
[  544.611021] tc (11898) used greatest stack depth: 11872 bytes left