get_network_config.ps1 in vagrant-unbundled-2.2.2.0

- old
+ new

@@ -33,10 +33,10 @@
     if (([string]::IsNullOrEmpty($ip4_address)) -And ([string]::IsNullOrEmpty($ip6_address))) {
         $macaddresses = $vm | select -ExpandProperty NetworkAdapters | select MacAddress
         foreach ($macaddr in $macaddresses) {
             $macaddress = $macaddr.MacAddress -replace '(.{2})(?!$)', '${1}-'
             $addr = Get-NetNeighbor -LinkLayerAddress $macaddress -ErrorAction SilentlyContinue | select IPAddress
-            if ($ip_address) {
+            if ($addr) {
                 $ip_address = $addr.IPAddress
                 if ($ip_address.Contains(".")) {
                     $ip4_address = $ip_address
                 } elseif ($ip_address.Contains(":")) {
                     $ip6_address = $ip_address