diff --git a/cmake_targets/autotests/test_case_list.xml b/cmake_targets/autotests/test_case_list.xml
index 8235963c524febcbb42cbe86b96e1d3b446f90d9..aba5b679481fdd3447881bdddb349c162b32e63b 100644
--- a/cmake_targets/autotests/test_case_list.xml
+++ b/cmake_targets/autotests/test_case_list.xml
@@ -1276,7 +1276,7 @@
     <UE_pre_exec_args></UE_pre_exec_args>
     <UE_main_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --reset-ue; $OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --stop-ue ; sleep 10; $OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --start-ue </UE_main_exec>
     <UE_main_exec_args></UE_main_exec_args>
-    <UE_traffic_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/iperf_script 1 ppp0 -s -i 1 -f m -u</UE_traffic_exec>
+    <UE_traffic_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/iperf_script 1 lo -s -i 1 -f m -u</UE_traffic_exec>
     <UE_traffic_exec_args></UE_traffic_exec_args>
     <UE_terminate_missing_procs>False</UE_terminate_missing_procs>
     <UE_stop_script>sudo -S -E $OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --reset-ue </UE_stop_script>
@@ -1348,7 +1348,7 @@
     <UE_pre_exec_args></UE_pre_exec_args>
     <UE_main_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --reset-ue; $OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --stop-ue ; sleep 10; $OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --start-ue </UE_main_exec>
     <UE_main_exec_args></UE_main_exec_args>
-    <UE_traffic_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/iperf_script 1 ppp0 -s -i 1 -f m -u </UE_traffic_exec>
+    <UE_traffic_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/iperf_script 1 lo -s -i 1 -f m -u </UE_traffic_exec>
     <UE_traffic_exec_args></UE_traffic_exec_args>
     <UE_search_expr_true>throughput_test min=0.0Mbits/sec max=9.0Mbits/sec average=8.5Mbits/sec   </UE_search_expr_true>
     <UE_search_expr_false></UE_search_expr_false>
@@ -1424,7 +1424,7 @@
     <UE_pre_exec_args></UE_pre_exec_args>
     <UE_main_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --reset-ue; $OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --stop-ue ; sleep 10; $OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --start-ue </UE_main_exec>
     <UE_main_exec_args></UE_main_exec_args>
-    <UE_traffic_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/iperf_script 1 ppp0 -s -i 1 -u -f m </UE_traffic_exec>
+    <UE_traffic_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/iperf_script 1 lo -s -i 1 -u -f m </UE_traffic_exec>
     <UE_traffic_exec_args></UE_traffic_exec_args>
     <UE_search_expr_true>throughput_test min=0.0Mbits/sec max=10.0Mbits/sec average=10.0Mbits/sec   </UE_search_expr_true>
     <UE_search_expr_false></UE_search_expr_false>
@@ -1730,7 +1730,7 @@
     <UE_pre_exec_args></UE_pre_exec_args>
     <UE_main_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --reset-ue; $OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --stop-ue ; sleep 10; $OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --start-ue </UE_main_exec>
     <UE_main_exec_args></UE_main_exec_args>
-    <UE_traffic_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/iperf_script 1 ppp0 -s -i 1 -u -f m -B 192.172.0.2</UE_traffic_exec>
+    <UE_traffic_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/iperf_script 1 lo -s -i 1 -u -f m </UE_traffic_exec>
     <UE_traffic_exec_args></UE_traffic_exec_args>
     <UE_search_expr_true>throughput_test min=0.0Mbits/sec max=5.0Mbits/sec average=4.0Mbits/sec   </UE_search_expr_true>
     <UE_search_expr_false></UE_search_expr_false>
@@ -1806,7 +1806,7 @@
     <UE_pre_exec_args></UE_pre_exec_args>
     <UE_main_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --reset-ue; $OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --stop-ue ; sleep 10; $OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --start-ue </UE_main_exec>
     <UE_main_exec_args></UE_main_exec_args>
-    <UE_traffic_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/iperf_script 1 ppp0  -s -i 1 -u -f m </UE_traffic_exec>
+    <UE_traffic_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/iperf_script 1 lo  -s -i 1 -u -f m </UE_traffic_exec>
     <UE_traffic_exec_args></UE_traffic_exec_args>
     <UE_search_expr_true>throughput_test min=0.0Mbits/sec max=9.0Mbits/sec average=8.5Mbits/sec   </UE_search_expr_true>
     <UE_search_expr_false></UE_search_expr_false>
@@ -1883,7 +1883,7 @@
     <UE_pre_exec_args></UE_pre_exec_args>
     <UE_main_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --reset-ue; $OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --stop-ue ; sleep 10; $OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --start-ue </UE_main_exec>
     <UE_main_exec_args></UE_main_exec_args>
-    <UE_traffic_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/iperf_script 1 ppp0  -s -i 1 -u -f m </UE_traffic_exec>
+    <UE_traffic_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/iperf_script 1 lo  -s -i 1 -u -f m </UE_traffic_exec>
     <UE_traffic_exec_args></UE_traffic_exec_args>
     <UE_search_expr_true>throughput_test min=0.0Mbits/sec max=15.0Mbits/sec average=15.0Mbits/sec   </UE_search_expr_true>
     <UE_search_expr_false></UE_search_expr_false>
@@ -2182,7 +2182,7 @@
     <UE_pre_exec_args></UE_pre_exec_args>
     <UE_main_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --reset-ue; $OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --stop-ue ; sleep 10; $OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --start-ue </UE_main_exec>
     <UE_main_exec_args></UE_main_exec_args>
-    <UE_traffic_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/iperf_script 1 ppp0 -s -i 1  -f m </UE_traffic_exec>
+    <UE_traffic_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/iperf_script 1 lo -s -i 1  -f m </UE_traffic_exec>
     <UE_traffic_exec_args></UE_traffic_exec_args>
     <UE_terminate_missing_procs>False</UE_terminate_missing_procs>
     <UE_stop_script>sudo -S -E $OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --reset-ue </UE_stop_script>
@@ -2254,7 +2254,7 @@
     <UE_pre_exec_args></UE_pre_exec_args>
     <UE_main_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --reset-ue; $OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --stop-ue ; sleep 10; $OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --start-ue </UE_main_exec>
     <UE_main_exec_args></UE_main_exec_args>
-    <UE_traffic_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/iperf_script 1 ppp0 -s -i 1  -f m </UE_traffic_exec>
+    <UE_traffic_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/iperf_script 1 lo -s -i 1  -f m </UE_traffic_exec>
     <UE_traffic_exec_args></UE_traffic_exec_args>
     <UE_search_expr_true>throughput_test min=0.0Mbits/sec max=9.0Mbits/sec average=8.5Mbits/sec   </UE_search_expr_true>
     <UE_search_expr_false></UE_search_expr_false>
@@ -2330,7 +2330,7 @@
     <UE_pre_exec_args></UE_pre_exec_args>
     <UE_main_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --reset-ue; $OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --stop-ue ; sleep 10; $OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --start-ue </UE_main_exec>
     <UE_main_exec_args></UE_main_exec_args>
-    <UE_traffic_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/iperf_script 1 ppp0 -s -i 1  -f m -B 192.172.0.2</UE_traffic_exec>
+    <UE_traffic_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/iperf_script 1 lo -s -i 1  -f m </UE_traffic_exec>
     <UE_traffic_exec_args></UE_traffic_exec_args>
     <UE_search_expr_true>throughput_test min=0.0Mbits/sec max=15.0Mbits/sec average=15.0Mbits/sec   </UE_search_expr_true>
     <UE_search_expr_false></UE_search_expr_false>
@@ -2638,7 +2638,7 @@
     <UE_pre_exec_args></UE_pre_exec_args>
     <UE_main_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --reset-ue; $OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --stop-ue ; sleep 10; $OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --start-ue </UE_main_exec>
     <UE_main_exec_args></UE_main_exec_args>
-    <UE_traffic_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/iperf_script 1 ppp0 -s -i 1  -f m -B 192.172.0.2</UE_traffic_exec>
+    <UE_traffic_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/iperf_script 1 lo -s -i 1  -f m </UE_traffic_exec>
     <UE_traffic_exec_args></UE_traffic_exec_args>
     <UE_search_expr_true>throughput_test min=0.0Mbits/sec max=5.0Mbits/sec average=4.0Mbits/sec   </UE_search_expr_true>
     <UE_search_expr_false></UE_search_expr_false>
@@ -2714,7 +2714,7 @@
     <UE_pre_exec_args></UE_pre_exec_args>
     <UE_main_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --reset-ue; $OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --stop-ue ; sleep 10; $OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --start-ue </UE_main_exec>
     <UE_main_exec_args></UE_main_exec_args>
-    <UE_traffic_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/iperf_script 1 ppp0  -s -i 1  -f m </UE_traffic_exec>
+    <UE_traffic_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/iperf_script 1 lo  -s -i 1  -f m </UE_traffic_exec>
     <UE_traffic_exec_args></UE_traffic_exec_args>
     <UE_search_expr_true>throughput_test min=0.0Mbits/sec max=9.0Mbits/sec average=8.5Mbits/sec   </UE_search_expr_true>
     <UE_search_expr_false></UE_search_expr_false>
@@ -2791,7 +2791,7 @@
     <UE_pre_exec_args></UE_pre_exec_args>
     <UE_main_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --reset-ue; $OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --stop-ue ; sleep 10; $OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --start-ue </UE_main_exec>
     <UE_main_exec_args></UE_main_exec_args>
-    <UE_traffic_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/iperf_script 1 ppp0  -s -i 1  -f m </UE_traffic_exec>
+    <UE_traffic_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/iperf_script 1 lo  -s -i 1  -f m </UE_traffic_exec>
     <UE_traffic_exec_args></UE_traffic_exec_args>
     <UE_search_expr_true>throughput_test min=0.0Mbits/sec max=15.0Mbits/sec average=15.0Mbits/sec   </UE_search_expr_true>
     <UE_search_expr_false></UE_search_expr_false>
@@ -4150,7 +4150,7 @@ c
     <UE_pre_exec_args></UE_pre_exec_args>
     <UE_main_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --reset-ue; $OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --stop-ue ; sleep 10; $OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --start-ue </UE_main_exec>
     <UE_main_exec_args></UE_main_exec_args>
-    <UE_traffic_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/iperf_script 1 ppp0 -s  -i 1 -u -f m </UE_traffic_exec>
+    <UE_traffic_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/iperf_script 1 lo -s  -i 1 -u -f m </UE_traffic_exec>
     <UE_traffic_exec_args></UE_traffic_exec_args>
     <UE_terminate_missing_procs>False</UE_terminate_missing_procs>
     <UE_stop_script>sudo -S -E $OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --reset-ue </UE_stop_script>
@@ -4221,7 +4221,7 @@ c
     <UE_pre_exec_args></UE_pre_exec_args>
     <UE_main_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --reset-ue; $OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --stop-ue ; sleep 10; $OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --start-ue </UE_main_exec>
     <UE_main_exec_args></UE_main_exec_args>
-    <UE_traffic_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/iperf_script 1 ppp0 -s -i 1 -u -f m </UE_traffic_exec>
+    <UE_traffic_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/iperf_script 1 lo -s -i 1 -u -f m </UE_traffic_exec>
     <UE_traffic_exec_args></UE_traffic_exec_args>
     <UE_terminate_missing_procs>False</UE_terminate_missing_procs>
     <UE_stop_script>sudo -S -E $OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --reset-ue </UE_stop_script>
@@ -4293,7 +4293,7 @@ c
     <UE_pre_exec_args></UE_pre_exec_args>
     <UE_main_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --reset-ue; $OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --stop-ue ; sleep 10; $OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --start-ue </UE_main_exec>
     <UE_main_exec_args></UE_main_exec_args>
-    <UE_traffic_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/iperf_script 1 ppp0 -s -i 1 -u -f m </UE_traffic_exec>
+    <UE_traffic_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/iperf_script 1 lo -s -i 1 -u -f m </UE_traffic_exec>
     <UE_traffic_exec_args></UE_traffic_exec_args>
     <UE_terminate_missing_procs>False</UE_terminate_missing_procs>
     <UE_stop_script>sudo -S -E $OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --reset-ue </UE_stop_script>
@@ -4313,7 +4313,7 @@ c
     <EPC_main_exec_args></EPC_main_exec_args>
     <HSS_main_exec>/opt/hss_sim0609/starthss >> /dev/null ; sleep 3000 </HSS_main_exec>
     <HSS_main_exec_args></HSS_main_exec_args>
-    <EPC_traffic_exec>$OPENAIRCN_DIR/TEST/autotests/tools/iperf_script 10 192.172.0.2 -u -c  192.172.0.2 -b 10Mbits/s     </EPC_traffic_exec>
+    <EPC_traffic_exec>$OPENAIRCN_DIR/TEST/autotests/tools/iperf_script 10 192.172.0.2 -u -c  192.172.0.2 -b 33Mbits/s     </EPC_traffic_exec>
     <EPC_traffic_exec_args></EPC_traffic_exec_args>
     <EPC_search_expr_false></EPC_search_expr_false>
     <EPC_terminate_missing_procs>False</EPC_terminate_missing_procs>
@@ -4580,7 +4580,7 @@ c
     <UE_pre_exec_args></UE_pre_exec_args>
     <UE_main_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --reset-ue; $OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --stop-ue ; sleep 10; $OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --start-ue </UE_main_exec>
     <UE_main_exec_args></UE_main_exec_args>
-    <UE_traffic_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/iperf_script 1 ppp0 -s -i 1  -f m </UE_traffic_exec>
+    <UE_traffic_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/iperf_script 1 lo -s -i 1  -f m </UE_traffic_exec>
     <UE_traffic_exec_args></UE_traffic_exec_args>
     <UE_terminate_missing_procs>False</UE_terminate_missing_procs>
     <UE_stop_script>sudo -S -E $OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --reset-ue </UE_stop_script>
@@ -4651,7 +4651,7 @@ c
     <UE_pre_exec_args></UE_pre_exec_args>
     <UE_main_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --reset-ue; $OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --stop-ue ; sleep 10; $OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --start-ue </UE_main_exec>
     <UE_main_exec_args></UE_main_exec_args>
-    <UE_traffic_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/iperf_script 1 ppp0 -s -i 1  -f m </UE_traffic_exec>
+    <UE_traffic_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/iperf_script 1 lo -s -i 1  -f m </UE_traffic_exec>
     <UE_traffic_exec_args></UE_traffic_exec_args>
     <UE_terminate_missing_procs>False</UE_terminate_missing_procs>
     <UE_stop_script>sudo -S -E $OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --reset-ue </UE_stop_script>
@@ -4723,7 +4723,7 @@ c
     <UE_pre_exec_args></UE_pre_exec_args>
     <UE_main_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --reset-ue; $OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --stop-ue ; sleep 10; $OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --start-ue </UE_main_exec>
     <UE_main_exec_args></UE_main_exec_args>
-    <UE_traffic_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/iperf_script 1 ppp0 -s -i 1  -f m -B 192.172.0.2</UE_traffic_exec>
+    <UE_traffic_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/iperf_script 1 lo -s -i 1  -f m </UE_traffic_exec>
     <UE_traffic_exec_args></UE_traffic_exec_args>
     <UE_terminate_missing_procs>False</UE_terminate_missing_procs>
     <UE_stop_script>sudo -S -E $OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --reset-ue </UE_stop_script>
@@ -5018,7 +5018,7 @@ c
     <UE_pre_exec_args></UE_pre_exec_args>
     <UE_main_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --reset-ue; $OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --stop-ue ; sleep 10; $OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --start-ue </UE_main_exec>
     <UE_main_exec_args></UE_main_exec_args>
-    <UE_traffic_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/iperf_script 1 ppp0 -s  -i 1 -u -f m </UE_traffic_exec>
+    <UE_traffic_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/iperf_script 1 lo -s  -i 1 -u -f m </UE_traffic_exec>
     <UE_traffic_exec_args></UE_traffic_exec_args>
     <UE_terminate_missing_procs>False</UE_terminate_missing_procs>
     <UE_stop_script>sudo -S -E $OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --reset-ue </UE_stop_script>
@@ -5091,7 +5091,7 @@ c
     <UE_pre_exec_args></UE_pre_exec_args>
     <UE_main_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --reset-ue; $OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --stop-ue ; sleep 10; $OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --start-ue </UE_main_exec>
     <UE_main_exec_args></UE_main_exec_args>
-    <UE_traffic_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/iperf_script 1 ppp0 -s -i 1 -u -f m </UE_traffic_exec>
+    <UE_traffic_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/iperf_script 1 lo -s -i 1 -u -f m </UE_traffic_exec>
     <UE_traffic_exec_args></UE_traffic_exec_args>
     <UE_terminate_missing_procs>False</UE_terminate_missing_procs>
     <UE_stop_script>sudo -S -E $OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --reset-ue </UE_stop_script>
@@ -5165,7 +5165,7 @@ c
     <UE_pre_exec_args></UE_pre_exec_args>
     <UE_main_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --reset-ue; $OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --stop-ue ; sleep 10; $OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --start-ue </UE_main_exec>
     <UE_main_exec_args></UE_main_exec_args>
-    <UE_traffic_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/iperf_script 1 ppp0 -s -i 1 -u -f m </UE_traffic_exec>
+    <UE_traffic_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/iperf_script 1 lo -s -i 1 -u -f m </UE_traffic_exec>
     <UE_traffic_exec_args></UE_traffic_exec_args>
     <UE_terminate_missing_procs>False</UE_terminate_missing_procs>
     <UE_stop_script>sudo -S -E $OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --reset-ue </UE_stop_script>
@@ -5460,7 +5460,7 @@ c
     <UE_pre_exec_args></UE_pre_exec_args>
     <UE_main_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --reset-ue; $OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --stop-ue ; sleep 10; $OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --start-ue </UE_main_exec>
     <UE_main_exec_args></UE_main_exec_args>
-    <UE_traffic_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/iperf_script 1 ppp0 -s -i 1  -f m </UE_traffic_exec>
+    <UE_traffic_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/iperf_script 1 lo -s -i 1  -f m </UE_traffic_exec>
     <UE_traffic_exec_args></UE_traffic_exec_args>
     <UE_terminate_missing_procs>False</UE_terminate_missing_procs>
     <UE_stop_script>sudo -S -E $OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --reset-ue </UE_stop_script>
@@ -5533,7 +5533,7 @@ c
     <UE_pre_exec_args></UE_pre_exec_args>
     <UE_main_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --reset-ue; $OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --stop-ue ; sleep 10; $OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --start-ue </UE_main_exec>
     <UE_main_exec_args></UE_main_exec_args>
-    <UE_traffic_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/iperf_script 1 ppp0 -s -i 1  -f m </UE_traffic_exec>
+    <UE_traffic_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/iperf_script 1 lo -s -i 1  -f m </UE_traffic_exec>
     <UE_traffic_exec_args></UE_traffic_exec_args>
     <UE_terminate_missing_procs>False</UE_terminate_missing_procs>
     <UE_stop_script>sudo -S -E $OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --reset-ue </UE_stop_script>
@@ -5607,7 +5607,7 @@ c
     <UE_pre_exec_args></UE_pre_exec_args>
     <UE_main_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --reset-ue; $OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --stop-ue ; sleep 10; $OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --start-ue </UE_main_exec>
     <UE_main_exec_args></UE_main_exec_args>
-    <UE_traffic_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/iperf_script 1 ppp0 -s -i 1  -f m -B 192.172.0.2</UE_traffic_exec>
+    <UE_traffic_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/iperf_script 1 lo -s -i 1  -f m </UE_traffic_exec>
     <UE_traffic_exec_args></UE_traffic_exec_args>
     <UE_terminate_missing_procs>False</UE_terminate_missing_procs>
     <UE_stop_script>sudo -S -E $OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --reset-ue </UE_stop_script>
@@ -6387,7 +6387,7 @@ c
     <UE_pre_exec_args></UE_pre_exec_args>
     <UE_main_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --reset-ue; $OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --stop-ue ; sleep 10; $OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --start-ue </UE_main_exec>
     <UE_main_exec_args></UE_main_exec_args>
-    <UE_traffic_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/iperf_script 1 ppp0 -s  -i 1 -u -f m</UE_traffic_exec>
+    <UE_traffic_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/iperf_script 1 lo -s  -i 1 -u -f m</UE_traffic_exec>
     <UE_traffic_exec_args></UE_traffic_exec_args>
     <UE_terminate_missing_procs>False</UE_terminate_missing_procs>
     <UE_stop_script>sudo -S -E $OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --reset-ue </UE_stop_script>
@@ -6458,7 +6458,7 @@ c
     <UE_pre_exec_args></UE_pre_exec_args>
     <UE_main_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --reset-ue; $OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --stop-ue ; sleep 10; $OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --start-ue </UE_main_exec>
     <UE_main_exec_args></UE_main_exec_args>
-    <UE_traffic_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/iperf_script 1 ppp0 -s  -i 1 -u -f m</UE_traffic_exec>
+    <UE_traffic_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/iperf_script 1 lo -s  -i 1 -u -f m</UE_traffic_exec>
     <UE_traffic_exec_args></UE_traffic_exec_args>
     <UE_terminate_missing_procs>False</UE_terminate_missing_procs>
     <UE_stop_script>sudo -S -E $OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --reset-ue </UE_stop_script>
@@ -6529,7 +6529,7 @@ c
     <UE_pre_exec_args></UE_pre_exec_args>
     <UE_main_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --reset-ue; $OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --stop-ue ; sleep 10; $OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --start-ue </UE_main_exec>
     <UE_main_exec_args></UE_main_exec_args>
-    <UE_traffic_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/iperf_script 1 ppp0 -s  -i 1 -u -f m</UE_traffic_exec>
+    <UE_traffic_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/iperf_script 1 lo -s  -i 1 -u -f m</UE_traffic_exec>
     <UE_traffic_exec_args></UE_traffic_exec_args>
     <UE_terminate_missing_procs>False</UE_terminate_missing_procs>
     <UE_stop_script>sudo -S -E $OPENAIR_DIR/cmake_targets/autotests/tools/configure_cots_bandrich_ue.py --reset-ue </UE_stop_script>