adding two rules for run_enb_ue_virt_s1 script to resolve the issue of data...

adding two rules for run_enb_ue_virt_s1 script to resolve the issue of data path with simulated UE (contributed by A. Ksentini)

cmake_targets/tools/run_enb_ue_virt_s1

@@ -257,6 +257,9 @@ function main()
   ip rule add fwmark 1 table lte 
   ifconfig oip1 up
   ip route add default dev oip1 table lte
+  # the actual IP address depends on the EPC/MME config file for address pool
+  ip route add from 192.188.0.0/24 table lte
+  ip route add to 192.188.0.0/24 table lte
 
   exe_arguments="$exe_arguments -s15 -AAWGN -y1 -b1 -u1 -Q0"
     

openair2/LAYER2/MAC/eNB_scheduler_dlsch.c

@@ -935,7 +935,7 @@ schedule_ue_spec(
 
 	    if (rlc_status.bytes_in_buffer > 0) {
 	      
-	      LOG_I(MAC,"[eNB %d][USER-PLANE DEFAULT DRB] Frame %d : DTCH->DLSCH, Requesting %d bytes from RLC (lcid %d total hdr len %d)\n",
+	      LOG_D(MAC,"[eNB %d][USER-PLANE DEFAULT DRB] Frame %d : DTCH->DLSCH, Requesting %d bytes from RLC (lcid %d total hdr len %d)\n",
 		    module_idP,frameP,TBS-header_len_dcch-sdu_length_total-header_len_dtch,lcid, header_len_dtch);
 	      sdu_lengths[num_sdus] = mac_rlc_data_req(module_idP,
 						       rnti,