launch_eth
neutron net-show ext-net > /dev/null 2>&1 || neutron net-create ext-net \
--router:external=True
-else ([ "nosdn" == "$opnfvsdn" ] || [ "odl" == "$opnfvsdn" ]); then
+else
neutron net-show ext-net > /dev/null 2>&1 || neutron net-create ext-net \
--router:external=True \
--provider:network_type flat \