Initial noEthernetOnly work
Changes asked by Jesse
Add is_layer3 property to struct ofport_dpif
Implement format_odp_action() for push/pop eth
Fix whitespace according to style
Remove unnecessary assignment after rebase
Shifting TODOs
dataplane: fix layer 3 marking
Implement L2 -> L3 switching
Don't update learning table with input from L3 ports
Make Ethernet attribute optional
Fix datapath flow validation
datapath: fix push_eth() action
odp-util: add support for reading push_eth and pop_eth actions from CLI