Userland support for VM interconnection

Change-Id: I699608f3072b39c8da1a7cc313bd0b736e90f225
diff --git a/rootdir/etc/init.goldfish.sh b/rootdir/etc/init.goldfish.sh
index 5ff0a3a..cfa2c82 100755
--- a/rootdir/etc/init.goldfish.sh
+++ b/rootdir/etc/init.goldfish.sh
@@ -45,3 +45,13 @@
 # this line doesn't really do anything useful. however without it the
 # previous setprop doesn't seem to apply for some really odd reason
 setprop ro.qemu.init.completed 1
+
+# set up the second interface (for inter-emulator connections)
+# if required
+my_ip=`getprop net.shared_net_ip`
+case "$my_ip" in
+    "")
+    ;;
+    *) ifconfig eth1 "$my_ip" netmask 255.255.255.0 up
+    ;;
+esac