The following commit:
I6fea7f409c91b25d2c35b038d6100fdfa85d1905
Merged into neutron which changed how the rpc workers would be started.
This patch updates the nsx_v3 plugin so that dhcp and other services
that depend on neutrons rpcs works again.
Change-Id: I0bde000bc0d3fb694bba304bd7955128596e3907