have to run intel for the moment

systems/amd-server/configuration.nix

@@ -59,7 +59,7 @@
     defaultGateway.address = "192.168.0.1";
     nameservers = [ "192.168.0.10" "1.1.1.1" ];
 
-    bridges.br0 = { interfaces = [ "enp6s0" ]; };
+    bridges.br0 = { interfaces = [ "enp0s31f6" ]; };
     interfaces.br0 = {
       ipv4.addresses = [{
         address = "192.168.0.20";

systems/amd-server/hardware-configuration-bak.nix

@@ -0,0 +1,38 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{ config, lib, pkgs, modulesPath, ... }:
+
+{
+  imports = [ (modulesPath + "/installer/scan/not-detected.nix") ];
+
+  boot.initrd.availableKernelModules =
+    [ "xhci_pci" "ahci" "nvme" "usbhid" "usb_storage" "sd_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-amd" ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" = {
+    device = "/dev/disk/by-uuid/a3c34c9e-06be-49dc-a5d3-4156defa11e7";
+    fsType = "btrfs";
+  };
+
+  fileSystems."/boot" = {
+    device = "/dev/disk/by-uuid/AE1C-16B9";
+    fsType = "vfat";
+    options = [ "fmask=0077" "dmask=0077" ];
+  };
+
+  swapDevices = [ ];
+
+  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+  # (the default) this is the recommended approach. When using systemd-networkd it's
+  # still possible to use this option, but it's recommended to use it in conjunction
+  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+  networking.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp6s0.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware.cpu.amd.updateMicrocode =
+    lib.mkDefault config.hardware.enableRedistributableFirmware;
+}

systems/amd-server/hardware-configuration.nix

@@ -6,10 +6,9 @@
 {
   imports = [ (modulesPath + "/installer/scan/not-detected.nix") ];
 
-  boot.initrd.availableKernelModules =
+  boot.initrd.availableKernelModules = [ "xhci_pci" "ahci" "nvme" "uas" "sd_mod" ];
-    [ "xhci_pci" "ahci" "nvme" "usbhid" "usb_storage" "sd_mod" ];
   boot.initrd.kernelModules = [ ];
-  boot.kernelModules = [ "kvm-amd" ];
+  boot.kernelModules = [ "kvm-intel" ];
   boot.extraModulePackages = [ ];
 
   fileSystems."/" = {
@@ -33,6 +32,7 @@
   # networking.interfaces.enp6s0.useDHCP = lib.mkDefault true;
 
   nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
   hardware.cpu.amd.updateMicrocode =
     lib.mkDefault config.hardware.enableRedistributableFirmware;
 }