try out kde

hosts/toaster/network/default.nix

@@ -7,13 +7,16 @@
   ];
 
   # Networkmanager shouldn't interfere with systemd managed interfaces
-  networking.networkmanager.unmanaged =
+  networking.networkmanager = {
+    enable = true;
+    unmanaged =
     let
       systemd_netdevs = lib.attrsets.attrValues (
         lib.attrsets.mapAttrs (_name: value: value.netdevConfig.Name) config.systemd.network.netdevs
       );
     in
-    systemd_netdevs;
+      systemd_netdevs;
+  };
 
   systemd.network = {
     enable = true;