Make configuration/print msgs more consistent with updates.
Fix default parameters.
Bug: Don't let packets bypass the qdisc.
Fix allocation bug: iso_netdev is no more.
Update helper script to new config commands.
Useful script: read module sections and print add-sym-file command for gdb
Update Makefile to use kernel build directory
Search through ALL netdevs, even inside netns.  So we can make this work in Mininet.