IETF L2VPN Driver is based on source code taken from:
https://osm.etsi.org/gitlab/osm/ro/-/blob/master/RO-plugin/osm_ro_plugin/sdnconn.py
https://osm.etsi.org/gitlab/osm/ro/-/blob/master/RO-SDN-ietfl2vpn/osm_rosdn_ietfl2vpn/wimconn_ietfl2vpn.py
