From 726740c69590884ffcb214f944a210fb832cbb60 Mon Sep 17 00:00:00 2001
From: Liam Young <liam.young@canonical.com>
Date: Mon, 7 Feb 2022 17:06:56 +0000
Subject: [PATCH] Avoid publishing 'None' bind-address

---
 .../advanced_sunbeam_openstack/ovn/relation_handlers.py        | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/ops-sunbeam/advanced_sunbeam_openstack/ovn/relation_handlers.py b/ops-sunbeam/advanced_sunbeam_openstack/ovn/relation_handlers.py
index b745a9fe..c36835fe 100644
--- a/ops-sunbeam/advanced_sunbeam_openstack/ovn/relation_handlers.py
+++ b/ops-sunbeam/advanced_sunbeam_openstack/ovn/relation_handlers.py
@@ -204,7 +204,8 @@ class OVNDBClusterPeerHandler(sunbeam_rhandlers.BasePeerHandler,
         :type addr: Optional[str]
         """
         _addr = addr or self.cluster_local_addr
-        self.interface.set_unit_data({'bound-address': str(_addr)})
+        if _addr:
+            self.interface.set_unit_data({'bound-address': str(_addr)})
 
     def expected_peers_available(self) -> bool:
         """Whether expected peers have joined and published data on peer rel.