pre-router: renumber IPv4 too

hosts/pre-router/dhcp.nix

@@ -32,7 +32,7 @@
             }
             {
               name = "domain-name";
-              data = "bula.entr0py.cloud";
+              data = "bula22.de";
             }
           ];
         }

hosts/pre-router/router.nix

@@ -21,10 +21,10 @@
       ens18.useDHCP = true;
       # Handle the VLANs
       ens19 = {
-        ipv4.addresses = [{
+        ipv4.addresses = [
-          address = "10.42.10.1";
+          { address = "10.42.10.1"; prefixLength = 24; }
-          prefixLength = 24;
+          { address = "10.42.10.25"; prefixLength = 24; }
-        }];
+        ];
       };
     };
   };