On the network node with Ubuntu, installing any of the neutron packages also installs the neutron-common package which depends on python-neutron which depends on python-kombu which depends on python-librabbitmq. Check your system for the python-librabbitmq package. Neutron on both the network and compute nodes communicates with the rabbitmq service on the controller node.
On the network node with Ubuntu, installing any of the neutron packages also installs the neutron-common package which depends on python-neutron which depends on python-kombu which depends on python-librabbitmq. Check your system for the python-librabbitmq package. Neutron on both the network and compute nodes communicates with the rabbitmq service on the controller node.