Load neutron-legacy only if enabled

To avoid using legacy functions accidentially.

Depends-On: Ida1f83b6b3ef9b76be13c063c7e35a8703214078
Change-Id: I3ff136fc8330c92007cdfe91b77d7f9865eabd8d
diff --git a/lib/neutron-legacy b/lib/neutron-legacy
index 0b0caf1..37d2783 100644
--- a/lib/neutron-legacy
+++ b/lib/neutron-legacy
@@ -423,7 +423,7 @@
 }
 
 # install_neutron_agent_packages() - Collect source and prepare
-function install_neutron_agent_packages {
+function install_neutron_agent_packages_mutnauq {
     # radvd doesn't come with the OS. Install it if the l3 service is enabled.
     if is_service_enabled q-l3; then
         install_package radvd