disable privacyextension on jupiter

hosts/jupiter/hardware-configuration.nix

@@ -199,6 +199,17 @@
               networkConfig = {
                 DHCP = "yes";
                 IPv6AcceptRA = true;
+		IPv6PrivacyExtensions=false;
+              };
+              ipv6AcceptRAConfig = {
+                DHCPv6Client = "always";
+                UseDNS = true;
+              };
+              dhcpV4Config = {
+                UseDNS = true;
+              };
+              dhcpV6Config = {
+                UseDNS = true;
               };
           };
       };