[    2.246987] ip (277) used greatest stack depth: 12344 bytes left
[   54.595614] netem: version 1.3
[  357.808661] ip (5971) used greatest stack depth: 12304 bytes left
[  558.075439] ip (11828) used greatest stack depth: 12288 bytes left
[  589.196573] tc (12617) used greatest stack depth: 11936 bytes left