OpenStack networking-odl is a library of drivers and plugins that integrates OpenStack Neutron API with OpenDaylight Backend. For example it has ML2 driver and L3 plugin to enable communication of OpenStack Neutron L2 and L3 resources API to OpenDayLight Backend.
To report and discover bugs in networking-odl the following link can be used: https://bugs.launchpad.net/networking-odl
Any new code submission or proposal must follow the development guidelines detailed in HACKING.rst and for further details this link can be checked: https://docs.openstack.org/networking-odl/latest/
The OpenDaylight homepage: https://www.opendaylight.org/