For 2.x:

- Look at VLAN packets
	- others non-vanilla types?
        - Add tags?  Remove tags?  Change tags?

- Support fragrouter like features (basic IP fragmenation, then advanced)

- Improve flowreplay

- Fix MAC rewriting to allow sending packets with a MAC of 00:00:00:00:00:00

- Modularize packet mangling interface
