Just in case you want to install drivers for i-tec Docking Station here a workaround for the not working official drivers. The workaround should work for all other display link devices as well. Refer to https://github.com/AdnanHodzic/displaylink-debian#download-and-run-script-without-git-method-2 for alternative drivers.
wget https://raw.githubusercontent.com/AdnanHodzic/displaylink-debian/master/displaylink-debian.sh
wget https://raw.githubusercontent.com/AdnanHodzic/displaylink-debian/master/displaylink.sh
wget https://raw.githubusercontent.com/AdnanHodzic/displaylink-debian/master/evdi.sh
chmod +x displaylink-debian.sh evdi.sh && sudo ./displaylink-debian.sh