For those of you who want to try out systemd-networkd, you can read on, and find out in this tutorial how to switch from NetworkManager to systemd-networkd on Linux.
Requirement systemd-networkd is available in systemd version 210 and higher. Check the version of your systemd before proceeding.
$ systemctl --version
It is relatively straightforward to switch from Network Manager to systemd-networkd (and vice versa).