diff --git a/kuryr_kubernetes/cni/api.py b/kuryr_kubernetes/cni/api.py
index fd4d6aa48..c5e523883 100644
--- a/kuryr_kubernetes/cni/api.py
+++ b/kuryr_kubernetes/cni/api.py
@@ -53,6 +53,10 @@ class CNIParameters(object):
         self.config = CNIConfig(cfg)
         self.args = CNIArgs(self.CNI_ARGS)
 
+    def __repr__(self):
+        return repr({key: value for key, value in self.__dict__.items() if
+                     key.startswith('CNI_')})
+
 
 @six.add_metaclass(abc.ABCMeta)
 class CNIPlugin(object):
diff --git a/kuryr_kubernetes/cni/handlers.py b/kuryr_kubernetes/cni/handlers.py
index 7a4097b44..2504fa097 100644
--- a/kuryr_kubernetes/cni/handlers.py
+++ b/kuryr_kubernetes/cni/handlers.py
@@ -67,6 +67,7 @@ class CNIHandlerBase(k8s_base.ResourceEventHandler):
 class AddHandler(CNIHandlerBase):
 
     def __init__(self, cni, on_done):
+        LOG.debug("AddHandler called with CNI env: %r", cni)
         super(AddHandler, self).__init__(cni, on_done)
         self._vif = None