Upgrade and add config for os x vm

host/ochsenchopf/default.nix

@@ -18,6 +18,13 @@
     };
     libvirtd.enable = true;
   };
+  users.extraUsers.fhauser.extraGroups = [ "libvirtd" ];
+
+  boot.extraModprobeConfig = ''
+    options kvm_intel nested=1
+    options kvm_intel emulate_invalid_guest_state=0
+    options kvm ignore_msrs=1
+  '';
 
   # Set your time zone.
   #time.timeZone = "Europe/Amsterdam";