add modemmanager config for del

hosts/del/configuration.nix

@@ -1,5 +1,6 @@
 {
     config,
+    lib,
     pkgs,
     ...
 }: {
@@ -127,6 +128,39 @@
 
     virtualisation.waydroid.enable = true;
 
+    # https://github.com/NixOS/nixpkgs/issues/270809
+    systemd.services.ModemManager = {
+        enable = lib.mkForce true;
+        path = [ pkgs.libqmi ];
+        wantedBy = [ "multi-user.target" "network.target" ];
+    };
+
+    networking.networkmanager = {
+        enable = true;
+
+        ensureProfiles.profiles = {
+            sim = {
+                connection = {
+                    id = "sim";
+                    uuid = "91d0e582-a24a-4835-baa9-98709b7793f9";
+                    type = "gsm";
+                    autoconnect = false;
+                    permissions = "user:jacek:;";
+                };
+                gsm = {
+                    apn = "internet";
+                    username = "internet";
+                    password = "internet";
+                };
+                ipv4.method = "auto";
+                ipv6 = {
+                    addr-gen-mode = "default";
+                    method = "auto";
+                };
+            };
+        };
+    };
+
     myOptions = {
         other = {
             system = {