add lxc specific configuration for incus

keeps things simple

configurations/nixos/tofu/default.nix

@@ -10,7 +10,6 @@ in
   imports = [
     self.nixosModules.default
     "${modulesPath}/virtualisation/lxc-container.nix"
-    ./configuration.nix
   ];
   services = {
     tty-ips.enable = true;
@@ -22,7 +21,7 @@ in
         "d0e265fcf663451ae9bc048dc1297749819ce9d48042a986f2866c15a779a074"
       ];
     };
-    hostName = "smultiboi";
+    hostName = "tofu";
   };
   environment.systemPackages = [
   ];

modules/nixos/common/incus.nix

@@ -0,0 +1,21 @@
+{
+
+  systemd.network = {
+    enable = true;
+    networks."50-eth0" = {
+
+      matchConfig.Name = "eth0";
+      networkConfig = {
+        DHCP = "ipv4";
+        IPv6AcceptRA = true;
+      };
+      linkConfig.RequiredForOnline = "routable";
+    };
+  };
+
+  networking = {
+    dhcpcd.enable = false;
+    useDHCP = false;
+    useHostResolvConf = false;
+  };
+}