RSL add debug statements when sending RSL EST REQ and RSL REL REQ.
diff --git a/openbsc/src/libbsc/abis_rsl.c b/openbsc/src/libbsc/abis_rsl.c
index d2bae91..9b3658e 100644
--- a/openbsc/src/libbsc/abis_rsl.c
+++ b/openbsc/src/libbsc/abis_rsl.c
@@ -783,6 +783,9 @@
 			     link_id, 0);
 	msg->dst = lchan->ts->trx->rsl_link;
 
+	DEBUGP(DRLL, "%s RSL RLL ESTABLISH REQ (link_id=0x%02x)\n",
+		gsm_lchan_name(lchan), link_id);
+
 	return abis_rsl_sendmsg(msg);
 }
 
@@ -805,6 +808,9 @@
 
 	msg->dst = lchan->ts->trx->rsl_link;
 
+	DEBUGP(DRLL, "%s RSL RLL RELEASE REQ (link_id=0x%02x, reason=%u)\n",
+		gsm_lchan_name(lchan), link_id, reason);
+
 	return abis_rsl_sendmsg(msg);
 }