[    2.765213] ip (282) used greatest stack depth: 12352 bytes left
[    7.975550] ip (642) used greatest stack depth: 12248 bytes left
[   53.679240] netem: version 1.3
[  398.787791] ip (6603) used greatest stack depth: 12120 bytes left
[  594.193108] tc (11920) used greatest stack depth: 11936 bytes left