        user_data_format: RAW
        user_data:
          str_replace:
-@@ -141,47 +112,18 @@ resources:
+@@ -141,48 +112,22 @@ resources:
              __zone__: { get_param: zone }
              __public_mgmt_ip__: { get_attr: [ mgmt_floating_ip, floating_ip_address ] }
              __private_mgmt_ip__: { get_attr: [ mgmt_port, fixed_ips, 0, ip_address ] }

-
-            # Also set up the signaling namespace now.
-            /etc/init.d/signaling_namespace
+            sysctl -w net.ipv6.conf.lo.disable_ipv6=0
 
             # Configure the APT software source.
             echo 'deb __repo_url__ binary/' > /etc/apt/sources.list.d/clearwater.list
@@ -193,11 +135,8 @@ resources:
             etcd_ip=__etcd_ip__
             [ -n "$etcd_ip" ] || etcd_ip=__private_mgmt_ip__
             cat > /etc/clearwater/local_config << EOF

             send
             EOF
             } && [ $retries -lt 10 ]
@@ -252,9 +194,8 @@ resources:
             # Use the DNS server.
             echo 'nameserver __dns_mgmt_ip__' > /etc/dnsmasq.resolv.conf
             echo 'RESOLV_CONF=/etc/dnsmasq.resolv.conf' >> /etc/default/dnsmasq
