diff --git a/devstack/plugin.sh b/devstack/plugin.sh
index d496717..1823ab1 100644
--- a/devstack/plugin.sh
+++ b/devstack/plugin.sh
@@ -64,6 +64,10 @@ function start_zeromq {
     run_process 0mq "$OSLO_BIN_DIR/oslo-messaging-zmq-broker"
 }
 
+function get_transport_url {
+    echo "zmq://"
+}
+
 function iniset_zeromq_backend {
     local package=$1
     local file=$2
@@ -71,6 +75,7 @@ function iniset_zeromq_backend {
 
     iniset $file $section rpc_backend "zmq"
     iniset $file $section rpc_zmq_host `hostname`
+    iniset $file $section transport_url $(get_transport_url)
     if [ "$ZEROMQ_MATCHMAKER" == "redis" ]; then
         iniset $file $section rpc_zmq_matchmaker "redis"
         MATCHMAKER_REDIS_HOST=${MATCHMAKER_REDIS_HOST:-127.0.0.1}
diff --git a/tox.ini b/tox.ini
index 20ecbaa..8e75f0d 100644
--- a/tox.ini
+++ b/tox.ini
@@ -11,15 +11,15 @@ install_command = pip install {opts} {packages}
 deps = bashate
 whitelist_externals = bash
 commands = bash -c "find {toxinidir}          \
-         -not \( -type d -name .?\* -prune \) \ # prune all 'dot' dirs
-         -not \( -type d -name doc -prune \)  \ # skip documentation
-         -type f                              \ # only files
-         -not -name \*~                       \ # skip editors, readme, etc
+         -not \( -type d -name .?\* -prune \) \
+         -not \( -type d -name doc -prune \)  \
+         -type f                              \
+         -not -name \*~                       \
          -not -name \*.md                     \
          \(                                   \
           -name \*.sh -or                     \
           -name \*rc -or                      \
           -name functions\* -or               \
-          -wholename \*/lib/\*                \ # /lib files are shell, but
-         \)                                   \ #   have no extension
+          -wholename \*/lib/\*                \
+         \)                                   \
          -print0 | xargs -0 bashate -v"