diff --git a/openbsc/tests/gbproxy/gbproxy_test.ok b/openbsc/tests/gbproxy/gbproxy_test.ok
index 35d97e7..b21f58a 100644
--- a/openbsc/tests/gbproxy/gbproxy_test.ok
+++ b/openbsc/tests/gbproxy/gbproxy_test.ok
@@ -1,4 +1,4 @@
-===== NS protocol test START
+===== GbProxy test START
 --- Initialise SGSN ---
 
 MESSAGE to SGSN at 0x05060708:32000, msg length 12
@@ -814,5 +814,706 @@
 
 Gbproxy global:
     Invalid BVC Identifier          : 1
-===== NS protocol test END
+--- Initialise SGSN ---
+
+MESSAGE to SGSN at 0x05060708:32000, msg length 12
+02 00 81 01 01 82 01 01 04 82 01 00 
+
+PROCESSING RESET_ACK from 0x05060708:32000
+03 01 82 01 01 04 82 01 00 
+
+MESSAGE to SGSN at 0x05060708:32000, msg length 1
+0a 
+
+result (RESET_ACK) = 1
+
+PROCESSING ALIVE_ACK from 0x05060708:32000
+0b 
+
+MESSAGE to SGSN at 0x05060708:32000, msg length 1
+06 
+
+result (ALIVE_ACK) = 1
+
+PROCESSING UNBLOCK_ACK from 0x05060708:32000
+07 
+
+==> got signal NS_UNBLOCK, NS-VC 0x0101/5.6.7.8:32000
+
+result (UNBLOCK_ACK) = 0
+
+PROCESSING ALIVE from 0x05060708:32000
+0a 
+
+MESSAGE to SGSN at 0x05060708:32000, msg length 1
+0b 
+
+result (ALIVE) = 1
+
+Current NS-VCIs:
+    VCI 0x0101, NSEI 0x0100, peer 0x05060708:32000
+         NS-VC Block count         : 1
+
+--- Initialise BSS 1 ---
+
+Setup NS-VC: remote 0x01020304:1111, NSVCI 0x1001(4097), NSEI 0x1000(4096)
+
+PROCESSING RESET from 0x01020304:1111
+02 00 81 01 01 82 10 01 04 82 10 00 
+
+==> got signal NS_RESET, NS-VC 0x1001/1.2.3.4:1111
+
+MESSAGE to BSS at 0x01020304:1111, msg length 9
+03 01 82 10 01 04 82 10 00 
+
+MESSAGE to BSS at 0x01020304:1111, msg length 1
+0a 
+
+result (RESET) = 9
+
+PROCESSING ALIVE from 0x01020304:1111
+0a 
+
+MESSAGE to BSS at 0x01020304:1111, msg length 1
+0b 
+
+result (ALIVE) = 1
+
+PROCESSING UNBLOCK from 0x01020304:1111
+06 
+
+==> got signal NS_UNBLOCK, NS-VC 0x1001/1.2.3.4:1111
+
+MESSAGE to BSS at 0x01020304:1111, msg length 1
+07 
+
+result (UNBLOCK) = 1
+
+PROCESSING ALIVE_ACK from 0x01020304:1111
+0b 
+
+result (ALIVE_ACK) = 0
+
+Current NS-VCIs:
+    VCI 0x1001, NSEI 0x1000, peer 0x01020304:1111
+    VCI 0x0101, NSEI 0x0100, peer 0x05060708:32000
+         NS-VC Block count         : 1
+
+--- Setup BVCI 1 ---
+
+Setup BSSGP: remote 0x01020304:1111, BVCI 0x1002(4098)
+
+PROCESSING BVC_RESET from 0x01020304:1111
+00 00 00 00 22 04 82 10 02 07 81 08 08 88 10 20 30 40 50 60 10 00 00 00 00 00 
+
+CALLBACK, event 0, msg length 22, bvci 0x0000
+22 04 82 10 02 07 81 08 08 88 10 20 30 40 50 60 10 00 00 00 00 00 
+
+NS UNITDATA MESSAGE to SGSN, BVCI 0x0000, msg length 22
+22 04 82 10 02 07 81 08 08 88 10 20 30 40 50 60 10 00 00 00 00 00 
+
+MESSAGE to SGSN at 0x05060708:32000, msg length 26
+00 00 00 00 22 04 82 10 02 07 81 08 08 88 10 20 30 40 50 60 10 00 00 00 00 00 
+
+result (BVC_RESET) = 26
+
+PROCESSING BVC_RESET_ACK from 0x05060708:32000
+00 00 00 00 23 04 82 10 02 
+
+CALLBACK, event 0, msg length 5, bvci 0x0000
+23 04 82 10 02 
+
+NS UNITDATA MESSAGE to BSS, BVCI 0x0000, msg length 5
+23 04 82 10 02 
+
+MESSAGE to BSS at 0x01020304:1111, msg length 9
+00 00 00 00 23 04 82 10 02 
+
+result (BVC_RESET_ACK) = 9
+
+Peers:
+  NSEI 4096, BVCI 4098, not blocked, RAC 10-32-16464-96
+--- Setup BVCI 2 ---
+
+Setup BSSGP: remote 0x01020304:1111, BVCI 0x2002(8194)
+
+PROCESSING BVC_RESET from 0x01020304:1111
+00 00 00 00 22 04 82 20 02 07 81 08 08 88 10 20 30 40 50 60 10 00 00 00 00 00 
+
+CALLBACK, event 0, msg length 22, bvci 0x0000
+22 04 82 20 02 07 81 08 08 88 10 20 30 40 50 60 10 00 00 00 00 00 
+
+NS UNITDATA MESSAGE to SGSN, BVCI 0x0000, msg length 22
+22 04 82 20 02 07 81 08 08 88 10 20 30 40 50 60 10 00 00 00 00 00 
+
+MESSAGE to SGSN at 0x05060708:32000, msg length 26
+00 00 00 00 22 04 82 20 02 07 81 08 08 88 10 20 30 40 50 60 10 00 00 00 00 00 
+
+result (BVC_RESET) = 26
+
+PROCESSING BVC_RESET_ACK from 0x05060708:32000
+00 00 00 00 23 04 82 20 02 
+
+CALLBACK, event 0, msg length 5, bvci 0x0000
+23 04 82 20 02 
+
+NS UNITDATA MESSAGE to BSS, BVCI 0x0000, msg length 5
+23 04 82 20 02 
+
+MESSAGE to BSS at 0x01020304:1111, msg length 9
+00 00 00 00 23 04 82 20 02 
+
+result (BVC_RESET_ACK) = 9
+
+Peers:
+  NSEI 4096, BVCI 8194, not blocked, RAC 10-32-16464-96
+  NSEI 4096, BVCI 4098, not blocked, RAC 10-32-16464-96
+--- Send message from BSS 1 to SGSN and back, BVCI 1 ---
+
+PROCESSING UNITDATA from 0x01020304:1111
+00 00 10 02 
+
+CALLBACK, event 0, msg length 0, bvci 0x1002
+
+
+NS UNITDATA MESSAGE to SGSN, BVCI 0x1002, msg length 0
+
+
+MESSAGE to SGSN at 0x05060708:32000, msg length 4
+00 00 10 02 
+
+result (UNITDATA) = 4
+
+PROCESSING UNITDATA from 0x05060708:32000
+00 00 10 02 
+
+CALLBACK, event 0, msg length 0, bvci 0x1002
+
+
+NS UNITDATA MESSAGE to BSS, BVCI 0x1002, msg length 0
+
+
+MESSAGE to BSS at 0x01020304:1111, msg length 4
+00 00 10 02 
+
+result (UNITDATA) = 4
+
+--- Send message from BSS 1 to SGSN and back, BVCI 2 ---
+
+PROCESSING UNITDATA from 0x01020304:1111
+00 00 20 02 
+
+CALLBACK, event 0, msg length 0, bvci 0x2002
+
+
+NS UNITDATA MESSAGE to SGSN, BVCI 0x2002, msg length 0
+
+
+MESSAGE to SGSN at 0x05060708:32000, msg length 4
+00 00 20 02 
+
+result (UNITDATA) = 4
+
+PROCESSING UNITDATA from 0x05060708:32000
+00 00 20 02 
+
+CALLBACK, event 0, msg length 0, bvci 0x2002
+
+
+NS UNITDATA MESSAGE to BSS, BVCI 0x2002, msg length 0
+
+
+MESSAGE to BSS at 0x01020304:1111, msg length 4
+00 00 20 02 
+
+result (UNITDATA) = 4
+
+--- Change NSEI ---
+
+Setup NS-VC: remote 0x01020304:1111, NSVCI 0x1001(4097), NSEI 0x2000(8192)
+
+PROCESSING RESET from 0x01020304:1111
+02 00 81 01 01 82 10 01 04 82 20 00 
+
+==> got signal NS_RESET, NS-VC 0x1001/1.2.3.4:1111
+
+MESSAGE to BSS at 0x01020304:1111, msg length 9
+03 01 82 10 01 04 82 20 00 
+
+MESSAGE to BSS at 0x01020304:1111, msg length 1
+0a 
+
+result (RESET) = 9
+
+PROCESSING ALIVE from 0x01020304:1111
+0a 
+
+MESSAGE to BSS at 0x01020304:1111, msg length 1
+0b 
+
+result (ALIVE) = 1
+
+PROCESSING UNBLOCK from 0x01020304:1111
+06 
+
+==> got signal NS_UNBLOCK, NS-VC 0x1001/1.2.3.4:1111
+
+MESSAGE to BSS at 0x01020304:1111, msg length 1
+07 
+
+result (UNBLOCK) = 1
+
+PROCESSING ALIVE_ACK from 0x01020304:1111
+0b 
+
+result (ALIVE_ACK) = 0
+
+Current NS-VCIs:
+    VCI 0x1001, NSEI 0x2000, peer 0x01020304:1111
+         NS-VC changed NSEI count  : 1
+    VCI 0x0101, NSEI 0x0100, peer 0x05060708:32000
+         NS-VC Block count         : 1
+
+--- Setup BVCI 1 ---
+
+Setup BSSGP: remote 0x01020304:1111, BVCI 0x1002(4098)
+
+PROCESSING BVC_RESET from 0x01020304:1111
+00 00 00 00 22 04 82 10 02 07 81 08 08 88 10 20 30 40 50 60 10 00 00 00 00 00 
+
+CALLBACK, event 0, msg length 22, bvci 0x0000
+22 04 82 10 02 07 81 08 08 88 10 20 30 40 50 60 10 00 00 00 00 00 
+
+NS UNITDATA MESSAGE to SGSN, BVCI 0x0000, msg length 22
+22 04 82 10 02 07 81 08 08 88 10 20 30 40 50 60 10 00 00 00 00 00 
+
+MESSAGE to SGSN at 0x05060708:32000, msg length 26
+00 00 00 00 22 04 82 10 02 07 81 08 08 88 10 20 30 40 50 60 10 00 00 00 00 00 
+
+result (BVC_RESET) = 26
+
+PROCESSING BVC_RESET_ACK from 0x05060708:32000
+00 00 00 00 23 04 82 10 02 
+
+CALLBACK, event 0, msg length 5, bvci 0x0000
+23 04 82 10 02 
+
+NS UNITDATA MESSAGE to BSS, BVCI 0x0000, msg length 5
+23 04 82 10 02 
+
+result (BVC_RESET_ACK) = -22
+
+Peers:
+  NSEI 4096, BVCI 8194, not blocked, RAC 10-32-16464-96
+  NSEI 4096, BVCI 4098, not blocked, RAC 10-32-16464-96
+    NSEI mismatch                   : 1
+    NS Transmission error           : 1
+--- Setup BVCI 3 ---
+
+Setup BSSGP: remote 0x01020304:1111, BVCI 0x3002(12290)
+
+PROCESSING BVC_RESET from 0x01020304:1111
+00 00 00 00 22 04 82 30 02 07 81 08 08 88 10 20 30 40 50 60 10 00 00 00 00 00 
+
+CALLBACK, event 0, msg length 22, bvci 0x0000
+22 04 82 30 02 07 81 08 08 88 10 20 30 40 50 60 10 00 00 00 00 00 
+
+NS UNITDATA MESSAGE to SGSN, BVCI 0x0000, msg length 22
+22 04 82 30 02 07 81 08 08 88 10 20 30 40 50 60 10 00 00 00 00 00 
+
+MESSAGE to SGSN at 0x05060708:32000, msg length 26
+00 00 00 00 22 04 82 30 02 07 81 08 08 88 10 20 30 40 50 60 10 00 00 00 00 00 
+
+result (BVC_RESET) = 26
+
+PROCESSING BVC_RESET_ACK from 0x05060708:32000
+00 00 00 00 23 04 82 30 02 
+
+CALLBACK, event 0, msg length 5, bvci 0x0000
+23 04 82 30 02 
+
+NS UNITDATA MESSAGE to BSS, BVCI 0x0000, msg length 5
+23 04 82 30 02 
+
+MESSAGE to BSS at 0x01020304:1111, msg length 9
+00 00 00 00 23 04 82 30 02 
+
+result (BVC_RESET_ACK) = 9
+
+Peers:
+  NSEI 8192, BVCI 12290, not blocked, RAC 10-32-16464-96
+  NSEI 4096, BVCI 8194, not blocked, RAC 10-32-16464-96
+  NSEI 4096, BVCI 4098, not blocked, RAC 10-32-16464-96
+    NSEI mismatch                   : 1
+    NS Transmission error           : 1
+--- Send message from BSS 1 to SGSN and back, BVCI 1 ---
+
+PROCESSING UNITDATA from 0x01020304:1111
+00 00 10 02 
+
+CALLBACK, event 0, msg length 0, bvci 0x1002
+
+
+NS UNITDATA MESSAGE to SGSN, BVCI 0x1002, msg length 0
+
+
+MESSAGE to SGSN at 0x05060708:32000, msg length 4
+00 00 10 02 
+
+result (UNITDATA) = 4
+
+PROCESSING UNITDATA from 0x05060708:32000
+00 00 10 02 
+
+CALLBACK, event 0, msg length 0, bvci 0x1002
+
+
+NS UNITDATA MESSAGE to BSS, BVCI 0x1002, msg length 0
+
+
+result (UNITDATA) = -22
+
+--- Send message from BSS 1 to SGSN and back, BVCI 2  (should fail) ---
+
+PROCESSING UNITDATA from 0x01020304:1111
+00 00 20 02 
+
+CALLBACK, event 0, msg length 0, bvci 0x2002
+
+
+NS UNITDATA MESSAGE to SGSN, BVCI 0x2002, msg length 0
+
+
+MESSAGE to SGSN at 0x05060708:32000, msg length 4
+00 00 20 02 
+
+result (UNITDATA) = 4
+
+Peers:
+  NSEI 8192, BVCI 12290, not blocked, RAC 10-32-16464-96
+  NSEI 4096, BVCI 8194, not blocked, RAC 10-32-16464-96
+    NSEI mismatch                   : 1
+  NSEI 4096, BVCI 4098, not blocked, RAC 10-32-16464-96
+    NSEI mismatch                   : 2
+    NS Transmission error           : 2
+PROCESSING UNITDATA from 0x05060708:32000
+00 00 20 02 
+
+CALLBACK, event 0, msg length 0, bvci 0x2002
+
+
+NS UNITDATA MESSAGE to BSS, BVCI 0x2002, msg length 0
+
+
+result (UNITDATA) = -22
+
+Peers:
+  NSEI 8192, BVCI 12290, not blocked, RAC 10-32-16464-96
+  NSEI 4096, BVCI 8194, not blocked, RAC 10-32-16464-96
+    NSEI mismatch                   : 1
+    NS Transmission error           : 1
+  NSEI 4096, BVCI 4098, not blocked, RAC 10-32-16464-96
+    NSEI mismatch                   : 2
+    NS Transmission error           : 2
+--- Send message from BSS 1 to SGSN and back, BVCI 3 ---
+
+PROCESSING UNITDATA from 0x01020304:1111
+00 00 30 02 
+
+CALLBACK, event 0, msg length 0, bvci 0x3002
+
+
+NS UNITDATA MESSAGE to SGSN, BVCI 0x3002, msg length 0
+
+
+MESSAGE to SGSN at 0x05060708:32000, msg length 4
+00 00 30 02 
+
+result (UNITDATA) = 4
+
+PROCESSING UNITDATA from 0x05060708:32000
+00 00 30 02 
+
+CALLBACK, event 0, msg length 0, bvci 0x3002
+
+
+NS UNITDATA MESSAGE to BSS, BVCI 0x3002, msg length 0
+
+
+MESSAGE to BSS at 0x01020304:1111, msg length 4
+00 00 30 02 
+
+result (UNITDATA) = 4
+
+--- Change NSVCI ---
+
+Setup NS-VC: remote 0x01020304:1111, NSVCI 0x2001(8193), NSEI 0x2000(8192)
+
+PROCESSING RESET from 0x01020304:1111
+02 00 81 01 01 82 20 01 04 82 20 00 
+
+==> got signal NS_REPLACED: 0x2001/0.0.0.0:0 -> 0x1001/1.2.3.4:1111
+
+==> got signal NS_RESET, NS-VC 0x2001/1.2.3.4:1111
+
+MESSAGE to BSS at 0x01020304:1111, msg length 9
+03 01 82 20 01 04 82 20 00 
+
+MESSAGE to BSS at 0x01020304:1111, msg length 1
+0a 
+
+result (RESET) = 9
+
+PROCESSING ALIVE from 0x01020304:1111
+0a 
+
+MESSAGE to BSS at 0x01020304:1111, msg length 1
+0b 
+
+result (ALIVE) = 1
+
+PROCESSING UNBLOCK from 0x01020304:1111
+06 
+
+==> got signal NS_UNBLOCK, NS-VC 0x2001/1.2.3.4:1111
+
+MESSAGE to BSS at 0x01020304:1111, msg length 1
+07 
+
+result (UNBLOCK) = 1
+
+PROCESSING ALIVE_ACK from 0x01020304:1111
+0b 
+
+result (ALIVE_ACK) = 0
+
+Current NS-VCIs:
+    VCI 0x2001, NSEI 0x2000, peer 0x01020304:1111
+         NS-VC replaced other count: 1
+    VCI 0x1001, NSEI 0x2000, peer 0x00000000:0
+         NS-VC changed NSEI count  : 1
+    VCI 0x0101, NSEI 0x0100, peer 0x05060708:32000
+         NS-VC Block count         : 1
+
+--- Setup BVCI 1 ---
+
+Setup BSSGP: remote 0x01020304:1111, BVCI 0x1002(4098)
+
+PROCESSING BVC_RESET from 0x01020304:1111
+00 00 00 00 22 04 82 10 02 07 81 08 08 88 10 20 30 40 50 60 10 00 00 00 00 00 
+
+CALLBACK, event 0, msg length 22, bvci 0x0000
+22 04 82 10 02 07 81 08 08 88 10 20 30 40 50 60 10 00 00 00 00 00 
+
+NS UNITDATA MESSAGE to SGSN, BVCI 0x0000, msg length 22
+22 04 82 10 02 07 81 08 08 88 10 20 30 40 50 60 10 00 00 00 00 00 
+
+MESSAGE to SGSN at 0x05060708:32000, msg length 26
+00 00 00 00 22 04 82 10 02 07 81 08 08 88 10 20 30 40 50 60 10 00 00 00 00 00 
+
+result (BVC_RESET) = 26
+
+PROCESSING BVC_RESET_ACK from 0x05060708:32000
+00 00 00 00 23 04 82 10 02 
+
+CALLBACK, event 0, msg length 5, bvci 0x0000
+23 04 82 10 02 
+
+NS UNITDATA MESSAGE to BSS, BVCI 0x0000, msg length 5
+23 04 82 10 02 
+
+result (BVC_RESET_ACK) = -22
+
+Peers:
+  NSEI 8192, BVCI 12290, not blocked, RAC 10-32-16464-96
+  NSEI 4096, BVCI 8194, not blocked, RAC 10-32-16464-96
+    NSEI mismatch                   : 1
+    NS Transmission error           : 1
+  NSEI 4096, BVCI 4098, not blocked, RAC 10-32-16464-96
+    NSEI mismatch                   : 3
+    NS Transmission error           : 3
+--- Setup BVCI 4 ---
+
+Setup BSSGP: remote 0x01020304:1111, BVCI 0x4002(16386)
+
+PROCESSING BVC_RESET from 0x01020304:1111
+00 00 00 00 22 04 82 40 02 07 81 08 08 88 10 20 30 40 50 60 10 00 00 00 00 00 
+
+CALLBACK, event 0, msg length 22, bvci 0x0000
+22 04 82 40 02 07 81 08 08 88 10 20 30 40 50 60 10 00 00 00 00 00 
+
+NS UNITDATA MESSAGE to SGSN, BVCI 0x0000, msg length 22
+22 04 82 40 02 07 81 08 08 88 10 20 30 40 50 60 10 00 00 00 00 00 
+
+MESSAGE to SGSN at 0x05060708:32000, msg length 26
+00 00 00 00 22 04 82 40 02 07 81 08 08 88 10 20 30 40 50 60 10 00 00 00 00 00 
+
+result (BVC_RESET) = 26
+
+PROCESSING BVC_RESET_ACK from 0x05060708:32000
+00 00 00 00 23 04 82 40 02 
+
+CALLBACK, event 0, msg length 5, bvci 0x0000
+23 04 82 40 02 
+
+NS UNITDATA MESSAGE to BSS, BVCI 0x0000, msg length 5
+23 04 82 40 02 
+
+MESSAGE to BSS at 0x01020304:1111, msg length 9
+00 00 00 00 23 04 82 40 02 
+
+result (BVC_RESET_ACK) = 9
+
+Peers:
+  NSEI 8192, BVCI 16386, not blocked, RAC 10-32-16464-96
+  NSEI 8192, BVCI 12290, not blocked, RAC 10-32-16464-96
+  NSEI 4096, BVCI 8194, not blocked, RAC 10-32-16464-96
+    NSEI mismatch                   : 1
+    NS Transmission error           : 1
+  NSEI 4096, BVCI 4098, not blocked, RAC 10-32-16464-96
+    NSEI mismatch                   : 3
+    NS Transmission error           : 3
+--- Send message from BSS 1 to SGSN and back, BVCI 1 ---
+
+PROCESSING UNITDATA from 0x01020304:1111
+00 00 10 02 
+
+CALLBACK, event 0, msg length 0, bvci 0x1002
+
+
+NS UNITDATA MESSAGE to SGSN, BVCI 0x1002, msg length 0
+
+
+MESSAGE to SGSN at 0x05060708:32000, msg length 4
+00 00 10 02 
+
+result (UNITDATA) = 4
+
+PROCESSING UNITDATA from 0x05060708:32000
+00 00 10 02 
+
+CALLBACK, event 0, msg length 0, bvci 0x1002
+
+
+NS UNITDATA MESSAGE to BSS, BVCI 0x1002, msg length 0
+
+
+result (UNITDATA) = -22
+
+--- Send message from BSS 1 to SGSN and back, BVCI 2  (should fail) ---
+
+PROCESSING UNITDATA from 0x01020304:1111
+00 00 20 02 
+
+CALLBACK, event 0, msg length 0, bvci 0x2002
+
+
+NS UNITDATA MESSAGE to SGSN, BVCI 0x2002, msg length 0
+
+
+MESSAGE to SGSN at 0x05060708:32000, msg length 4
+00 00 20 02 
+
+result (UNITDATA) = 4
+
+Peers:
+  NSEI 8192, BVCI 16386, not blocked, RAC 10-32-16464-96
+  NSEI 8192, BVCI 12290, not blocked, RAC 10-32-16464-96
+  NSEI 4096, BVCI 8194, not blocked, RAC 10-32-16464-96
+    NSEI mismatch                   : 2
+    NS Transmission error           : 1
+  NSEI 4096, BVCI 4098, not blocked, RAC 10-32-16464-96
+    NSEI mismatch                   : 4
+    NS Transmission error           : 4
+PROCESSING UNITDATA from 0x05060708:32000
+00 00 20 02 
+
+CALLBACK, event 0, msg length 0, bvci 0x2002
+
+
+NS UNITDATA MESSAGE to BSS, BVCI 0x2002, msg length 0
+
+
+result (UNITDATA) = -22
+
+Peers:
+  NSEI 8192, BVCI 16386, not blocked, RAC 10-32-16464-96
+  NSEI 8192, BVCI 12290, not blocked, RAC 10-32-16464-96
+  NSEI 4096, BVCI 8194, not blocked, RAC 10-32-16464-96
+    NSEI mismatch                   : 2
+    NS Transmission error           : 2
+  NSEI 4096, BVCI 4098, not blocked, RAC 10-32-16464-96
+    NSEI mismatch                   : 4
+    NS Transmission error           : 4
+--- Send message from BSS 1 to SGSN and back, BVCI 3 ---
+
+PROCESSING UNITDATA from 0x01020304:1111
+00 00 30 02 
+
+CALLBACK, event 0, msg length 0, bvci 0x3002
+
+
+NS UNITDATA MESSAGE to SGSN, BVCI 0x3002, msg length 0
+
+
+MESSAGE to SGSN at 0x05060708:32000, msg length 4
+00 00 30 02 
+
+result (UNITDATA) = 4
+
+PROCESSING UNITDATA from 0x05060708:32000
+00 00 30 02 
+
+CALLBACK, event 0, msg length 0, bvci 0x3002
+
+
+NS UNITDATA MESSAGE to BSS, BVCI 0x3002, msg length 0
+
+
+MESSAGE to BSS at 0x01020304:1111, msg length 4
+00 00 30 02 
+
+result (UNITDATA) = 4
+
+--- Send message from BSS 1 to SGSN and back, BVCI 4 ---
+
+PROCESSING UNITDATA from 0x01020304:1111
+00 00 40 02 
+
+CALLBACK, event 0, msg length 0, bvci 0x4002
+
+
+NS UNITDATA MESSAGE to SGSN, BVCI 0x4002, msg length 0
+
+
+MESSAGE to SGSN at 0x05060708:32000, msg length 4
+00 00 40 02 
+
+result (UNITDATA) = 4
+
+PROCESSING UNITDATA from 0x05060708:32000
+00 00 40 02 
+
+CALLBACK, event 0, msg length 0, bvci 0x4002
+
+
+NS UNITDATA MESSAGE to BSS, BVCI 0x4002, msg length 0
+
+
+MESSAGE to BSS at 0x01020304:1111, msg length 4
+00 00 40 02 
+
+result (UNITDATA) = 4
+
+Gbproxy global:
+Peers:
+  NSEI 8192, BVCI 16386, not blocked, RAC 10-32-16464-96
+  NSEI 8192, BVCI 12290, not blocked, RAC 10-32-16464-96
+  NSEI 4096, BVCI 8194, not blocked, RAC 10-32-16464-96
+    NSEI mismatch                   : 2
+    NS Transmission error           : 2
+  NSEI 4096, BVCI 4098, not blocked, RAC 10-32-16464-96
+    NSEI mismatch                   : 4
+    NS Transmission error           : 4
+===== GbProxy test END