@@ -81,7 +81,12 @@ FLAT_NETWORK_BRIDGE_DEFAULT=br100

 # the new p* interfaces, then basically picks the first

 # alphabetically. It's probably wrong, however it's less wrong than

 # always using 'eth0' which doesn't exist on new Linux distros at all.

-GUEST_INTERFACE_DEFAULT=$(route -n | awk '{print $8}' | grep ^[ep] | sort | head -1)

+GUEST_INTERFACE_DEFAULT=$(ip link \

+    | grep 'state UP' \

+    | awk '{print $2}' \

+    | sed 's/://' \

+    | grep ^[ep] \

+    | head -1)

 # Get hypervisor configuration

 # ----------------------------