Perhaps fix networking?

hosts/common/default.nix

@@ -52,7 +52,7 @@ in {
   # The global useDHCP flag is deprecated, therefore explicitly set to false here.
   # Per-interface useDHCP will be mandatory in the future, so this generated config
   # replicates the default behaviour.
-  networking.useDHCP = false;
+  networking.useDHCP = true;
 
   console = {
     useXkbConfig = true;

hosts/common/graphical/default.nix

@@ -10,8 +10,6 @@
   hardware.bluetooth.enable = true;
   hardware.pulseaudio.enable = false;
   services.blueman.enable = true;
-  networking.networkmanager.enable = true;
-  programs.nm-applet.enable = true;
   programs.partition-manager.enable = true;
 
   security.pam.services.swaylock = {};