Merge "Fix namespace regression for neutron"

docker/neutron/neutron-agents/Dockerfile.j2

@@ -35,6 +35,9 @@ COPY config-sudoers.sh /var/lib/kolla/
 
 COPY start.sh /
 
+# We will remove this line in Docker 1.10 when namespace propogation works
+VOLUME /run/netns
+
 CMD ["/start.sh"]
 
 {{ include_footer }}

docker/neutron/neutron-agents/start.sh

@@ -1,6 +1,9 @@
 #!/bin/bash
 set -o errexit
 
+# We must remove all of the stale namespaces if they exist
+rm -f /run/netns/*
+
 # Processing /var/lib/kolla/config_files/config.json
 python /usr/local/bin/kolla_set_configs