fix ipv6 sysbus request

dyndomain

@@ -44,15 +44,19 @@ def ping(hostname):
     return 0 if ret.returncode else 1
 
 def get_ipv6_hosts():
-    r = sysbus.requete('Hosts:getDevices')
+    r = sysbus.requete('Devices:get')
 
     ipv6_hosts = dict()
-    for host in r['status']:
-        hostname=host['hostName']
-        for addr in host['addresses']:
-            ipv6_hosts[hostname] = []
-            if addr['family'] == 'IPv6' and addr['scope'] == 'global':
-                ipv6_hosts[hostname].append(addr['ipAddress'])
+    for h in r['status']:
+        if not 'IPv6Address' in h or not h['IPv6Address']:
+            continue
+        hostname = h['Name']
+        for a in h['IPv6Address']:
+            if a['Scope'] != 'global' or a['Status'] != 'reachable':
+                continue
+            if not hostname in ipv6_hosts:
+                ipv6_hosts[hostname] = []
+            ipv6_hosts[hostname].append(a['Address'])
     return ipv6_hosts