nixos/networking: Fixes

nixos/modules/system/boot/stage-2-init.sh

@@ -141,8 +141,6 @@ fi
 # Use /etc/resolv.conf supplied by systemd-nspawn, if applicable.
 if [ -n "@useHostResolvConf@" -a -e /etc/resolv.conf ]; then
     cat /etc/resolv.conf | resolvconf -m 1000 -a host
-else
-    touch /etc/resolv.conf
 fi
 
 

nixos/modules/system/boot/systemd.nix

@@ -945,6 +945,8 @@ in
         unitConfig.X-StopOnReconfiguration = true;
       };
 
+    systemd.targets.network-online.after = [ "ip-up.target" ];
+
     systemd.units =
       mapAttrs' (n: v: nameValuePair "${n}.target" (targetToUnit n v)) cfg.targets
       // mapAttrs' (n: v: nameValuePair "${n}.service" (serviceToUnit n v)) cfg.services