try podman again

hosts/fw.cloonar.com/modules/podman.nix

@@ -9,13 +9,33 @@ in {
       # defaultNetwork.settings.dns_enabled = true;
       defaultNetwork.settings = {
         driver = "macvlan";
-        network_interface = "lan";
+        network_interface = "server";
         ipv6_enabled = false;
         internal = false;
         dns_enabled = false;
-        ipam_options = {
-          driver = "dhcp";
-        };
+        subnets = [{ gateway = "10.42.97.1"; subnet = "10.42.97.192/27"; }];
+        aux_address = "10.42.97.223";
+      };
+    };
+  };
+
+  networking = {
+    macvlans = {
+      "server-shim" = {
+        interface = "server";
+        mode = "bridge";
+      };
+    };
+    interfaces = {
+      "server-shim" = {
+        ipv4.addresses = [{
+          address = "10.42.97.223";
+          prefixLength = 24;
+        }];
+        ipv4.routes = [{
+          address = "10.42.97.192";
+          prefixLength = 27;
+        }];
       };
     };
   };