n/{zorigami,scylla} (kea): explicitly assign subnet identifiers

Auto-generated subnet identifiers are deprecated. not a problem yet with
the kea version in the pinned nixpkgs, but we're bound to hit it sooner
or later.
See: https://kea.readthedocs.io/en/kea-2.5.8/arm/dhcp4-srv.html#ipv4-subnet-identifier

flake.lock

@@ -337,11 +337,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1717052710,
-        "narHash": "sha256-LRhOxzXmOza5SymhOgnEzA8EAQp+94kkeUYWKKpLJ/U=",
+        "lastModified": 1717525419,
+        "narHash": "sha256-5z2422pzWnPXHgq2ms8lcCfttM0dz+hg+x1pCcNkAws=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "29c69d9a466e41d46fd3a7a9d0591ef9c113c2ae",
+        "rev": "a7117efb3725e6197dd95424136f79147aa35e5b",
         "type": "github"
       },
       "original": {
@@ -373,11 +373,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1717012808,
-        "narHash": "sha256-Wn0fbjqmpIiuPUWnvxu85a9sPYtSd/2tcPDhAYW54RM=",
+        "lastModified": 1717666308,
+        "narHash": "sha256-VYubNFkgsGqGo2KByjXam0dbpPHzLVtPS3ZxgAU1CDQ=",
         "owner": "Jovian-Experiments",
         "repo": "Jovian-NixOS",
-        "rev": "a8e6557f29fa0cbcc2c54d15f9664c14ae2a3e98",
+        "rev": "1d98d22fea0b504a266b199c6e1f364b85e08917",
         "type": "github"
       },
       "original": {
@@ -441,11 +441,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1717036776,
-        "narHash": "sha256-joKTxvywYlKspGGKOIXho6oRbggOPyayEqAyuZCavO0=",
+        "lastModified": 1717647344,
+        "narHash": "sha256-m8XYt8NU2T4gvkien7H7LFGXHhSA5z4tHOeuXQ3DJi4=",
         "ref": "refs/heads/main",
-        "rev": "b4b38e6b5fe18da9464f291ae5fbf2ea9acb9ccb",
-        "revCount": 86,
+        "rev": "4e25f1ab68f2270f9cff59216056c21073db0164",
+        "revCount": 87,
         "type": "git",
         "url": "https://git.lix.systems/lix-project/nixos-module"
       },
@@ -463,11 +463,11 @@
         "spectrum": "spectrum"
       },
       "locked": {
-        "lastModified": 1716754174,
-        "narHash": "sha256-L2Vni6dGDFWXWwY0rqkQWtZXt+qYQKUZr+Fj+EpI97Q=",
+        "lastModified": 1717441449,
+        "narHash": "sha256-juxjgmLnFbl+/hhIO2cVtIa6caCO4pLKlZWUMwAOznM=",
         "owner": "astro",
         "repo": "microvm.nix",
-        "rev": "fa4262c3c9197e7d62185858907f2e5acff3258d",
+        "rev": "e3a4dd5b381fb580804105594cc9c71dc45abdb5",
         "type": "github"
       },
       "original": {
@@ -544,11 +544,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1716772633,
-        "narHash": "sha256-Idcye44UW+EgjbjCoklf2IDF+XrehV6CVYvxR1omst4=",
+        "lastModified": 1717297675,
+        "narHash": "sha256-43UmlS1Ifx17y93/Vc258U7bOlAAIZbu8dsGDHOIIr0=",
         "owner": "Mic92",
         "repo": "nix-index-database",
-        "rev": "ff80cb4a11bb87f3ce8459be6f16a25ac86eb2ac",
+        "rev": "972a52bee3991ae1f1899e6452e0d7c01ee566d9",
         "type": "github"
       },
       "original": {
@@ -559,11 +559,11 @@
     },
     "nixos-hardware": {
       "locked": {
-        "lastModified": 1716987116,
-        "narHash": "sha256-uuEkErFVsFdg2K0cKbNQ9JlFSAm/xYqPr4rbPLI91Y8=",
+        "lastModified": 1717574423,
+        "narHash": "sha256-cz3P5MZffAHwL2IQaNzsqUBsJS+u0J/AAwArHMAcCa0=",
         "owner": "NixOS",
         "repo": "nixos-hardware",
-        "rev": "8251761f93d6f5b91cee45ac09edb6e382641009",
+        "rev": "d6c6cf6f5fead4057d8fb2d5f30aa8ac1727f177",
         "type": "github"
       },
       "original": {
@@ -654,11 +654,11 @@
     },
     "nixpkgs_4": {
       "locked": {
-        "lastModified": 1716991893,
-        "narHash": "sha256-Eoyi4cFspfDadhSs4d0eSsLkL9kZYiM2Tg17bFSm750=",
+        "lastModified": 1717419628,
+        "narHash": "sha256-kGkPO9VP9ICJvEu65Yoqy0kLvQ//G+UAXk13gC4P3sg=",
         "owner": "arachnist",
         "repo": "nixpkgs",
-        "rev": "7869e74e5aa899302d2d36b23b62550c6a29c54c",
+        "rev": "cb74beaf28422da8b15e0b9963c83f674bc88763",
         "type": "github"
       },
       "original": {
@@ -786,11 +786,11 @@
         "utils": "utils_2"
       },
       "locked": {
-        "lastModified": 1714720456,
-        "narHash": "sha256-e0WFe1BHqX23ADpGBc4ZRu38Mg+GICCZCqyS6EWCbHc=",
+        "lastModified": 1717515088,
+        "narHash": "sha256-nWOLpPA7+k7V1OjXTuxdsVd5jeeI0b13Di57wvnqkic=",
         "owner": "simple-nixos-mailserver",
         "repo": "nixos-mailserver",
-        "rev": "41059fc548088e49e3ddb3a2b4faeb5de018e60f",
+        "rev": "0d51a32e4799d081f260eb4db37145f5f4ee7456",
         "type": "gitlab"
       },
       "original": {

nixos/scylla/default.nix

@@ -276,6 +276,7 @@ in {
 
         subnet4 = [
           {
+            id = 1;
             subnet = "192.168.24.0/24";
             pools = [{ pool = "192.168.24.40 - 192.168.24.240"; }];
             reservations-out-of-pool = true;
@@ -299,6 +300,7 @@ in {
             }];
           }
           {
+            id = 2;
             subnet = "192.168.20.0/24";
             pools = [{ pool = "192.168.20.40 - 192.168.20.240"; }];
             reservations-out-of-pool = true;

nixos/zorigami/default.nix

@@ -496,12 +496,14 @@
 
       subnet4 = [
         {
+          id = 1;
           subnet = "10.21.37.0/27";
           pools = [{ pool = "10.21.37.5 - 10.21.37.25"; }];
           reservations-out-of-pool = true;
           reservations-in-subnet = true;
         }
         {
+          id = 2;
           subnet = "10.21.37.32/27";
           pools = [{ pool = "10.21.37.37 - 10.21.37.57"; }];
           reservations-out-of-pool = true;