gbproxy: Move different network elements to different IPs

* SGSN0: 127.0.0.10
* SGSN1: 127.0.0.11
* PCU0:  127.0.1.1
* PCU1:  127.0.2.1
* PCU3:  127.0.3.1

Change-Id: I1762bfc237e679ee21d0446596f2c4f56f735a9d
diff --git a/gbproxy/osmo-gbproxy.cfg b/gbproxy/osmo-gbproxy.cfg
index 5789e3a..6f4b1e7 100644
--- a/gbproxy/osmo-gbproxy.cfg
+++ b/gbproxy/osmo-gbproxy.cfg
@@ -18,9 +18,9 @@
   listen 127.0.0.1 23000
   accept-ipaccess
  nse 101
-  ip-sns 127.0.0.1 7777
+  ip-sns 127.0.0.10 7777
  nse 102
-  ip-sns 127.0.0.1 8888
+  ip-sns 127.0.0.11 8888
  timer tns-block 3
  timer tns-block-retries 3
  timer tns-reset 3