vxlan: T2241: fix falling out of bridge when changing settings

Previously, the interface was always deleted and recreated, which
removed it from the bridge.
- always re-add the interface back to any bridge it is part of

1 files changed, 4 insertions, 0 deletions

diff --git a/src/conf_mode/interfaces-vxlan.py b/src/conf_mode/interfaces-vxlan.py
index 5bf1f2fb6..8abd2b46e 100755
--- a/src/conf_mode/interfaces-vxlan.py
+++ b/src/conf_mode/interfaces-vxlan.py
@@ -274,6 +274,10 @@ def apply(vxlan):
         if not vxlan['disable']:
             v.set_admin_state('up')
 
+        # re-add ourselves to any bridge we might have fallen out of
+        if vxlan['is_bridge_member']:
+            v.add_to_bridge(vxlan['is_bridge_member'])
+
     return None