Could this be a solution to connect the new MacBook to a Thunderbolt display?
Using the following adapters (and an Ethernet cable):
http://store.apple.com/us/product/MJ1M2AM/A/usb-c-to-usb-adapter
http://store.apple.com/ch-de/product/MC704ZM/A/apple-usb-ethernet-adapter
http://store.apple.com/ch-de/product/MD463ZM/A/thunderbolt-auf-gigabit-ethernet- adapter
Using the following adapters (and an Ethernet cable):
http://store.apple.com/us/product/MJ1M2AM/A/usb-c-to-usb-adapter
http://store.apple.com/ch-de/product/MC704ZM/A/apple-usb-ethernet-adapter
http://store.apple.com/ch-de/product/MD463ZM/A/thunderbolt-auf-gigabit-ethernet- adapter