[    1.626343] ip (267) used greatest stack depth: 12360 bytes left
[    1.853455] ip (295) used greatest stack depth: 12184 bytes left
[   75.252102] netem: version 1.3
[  155.729866] ip (6516) used greatest stack depth: 12168 bytes left
[  553.549522] ip (20199) used greatest stack depth: 12120 bytes left
[  631.744133] tc (24871) used greatest stack depth: 11880 bytes left