/status/data endpoint fixes.

manager/app.py

@@ -215,12 +215,19 @@ def graph_data():
         level = 1
         anon_ips = []
         for iface in ifaces:
+            addr_json = iface.get("addresses_json")
             try:
-                addrs = json.loads(iface.get("addresses_json", "[]"))
-            except (json.JSONDecodeError, TypeError):
+                if addr_json is None:
+                    addrs = []
+                else:
+                    addrs = json.loads(addr_json)
+                    if not isinstance(addrs, list):
+                        addrs = []
+            except (json.JSONDecodeError, TypeError, AttributeError):
                 addrs = []
+
             for addr in addrs:
-                ip_bare = addr.split("/")[0]
+                ip_bare = addr.split("/")[0] if isinstance(addr, str) else str(addr)
                 if is_public_ip(ip_bare):
                     level = 0
                 anon_ips.append(anonymize_ip(addr))