hosts: server: switch runner to user networking

modules/services/server/microvm.nix

@@ -3,42 +3,6 @@ let
   name = "gitea-runner";
 in
 {
-  systemd.network = {
-      enable = true;
-      netdevs."10-microvm".netdevConfig = {
-          Kind = "bridge";
-          Name = "microvm";
-      };
-      networks = {
-          "10-microvm" = {
-              matchConfig.Name = "microvm";
-              networkConfig = {
-                DHCP = "yes";
-                IPv6AcceptRA = true;
-              };
-              addresses = [ {
-                  addressConfig.Address = "10.0.0.1/24";
-              } {
-                  addressConfig.Address = "fd12:3456:789a::1/64";
-              } ];
-              ipv6Prefixes = [ {
-                  ipv6PrefixConfig.Prefix = "fd12:3456:789a::/64";
-              } ];
-          };
-          "11-microvm" = {
-              matchConfig.Name = "vm-*";
-              networkConfig.Bridge = "microvm";
-          };
-      };
-  };
-  networking =  {
-      nat = {
-          enable = true;
-          enableIPv6 = true;
-          externalInterface = "ens18";
-          internalInterfaces = [ "microvm" ];
-      };
-  };
 
   microvm = {
     autostart = [
@@ -125,20 +89,16 @@ in
           };
 
           microvm = {
-            hypervisor = "cloud-hypervisor";
+            hypervisor = "qemu";
             vcpu = 4;
             mem = 4096;
             balloonMem = 4096;
             #kernel = pkgs.linuxKernel.packages.linux_latest;
             interfaces = [
             {
-              type = "macvtap";
+              type = "user";
               id = "vm-${name}";
               mac = "04:00:00:00:00:01";
-              macvtap = {
-                  link = "ens18";
-                  mode = "bridge";
-              };
             } ];
              shares = [{
               source = "/nix/store";