diff --git a/lib/iscsi/iscsi.c b/lib/iscsi/iscsi.c
index c059e2021..7c6dc8ad6 100644
--- a/lib/iscsi/iscsi.c
+++ b/lib/iscsi/iscsi.c
@@ -2458,7 +2458,6 @@ iscsi_op_text(struct spdk_iscsi_conn *conn, struct spdk_iscsi_pdu *pdu)
 static int
 iscsi_op_logout(struct spdk_iscsi_conn *conn, struct spdk_iscsi_pdu *pdu)
 {
-	char buf[MAX_TMPBUF];
 	struct spdk_iscsi_pdu *rsp_pdu;
 	uint32_t task_tag;
 	uint32_t CmdSN;
@@ -2553,38 +2552,36 @@ iscsi_op_logout(struct spdk_iscsi_conn *conn, struct spdk_iscsi_pdu *pdu)
 		 * login failed but initiator still sent a logout rather than
 		 *  just closing the TCP connection.
 		 */
-		snprintf(buf, sizeof buf, "Logout(login failed) from %s (%s) on"
-			 " (%s:%s,%d)\n",
-			 conn->initiator_name, conn->initiator_addr,
-			 conn->portal_host, conn->portal_port, conn->pg_tag);
+		SPDK_DEBUGLOG(SPDK_LOG_ISCSI, "Logout(login failed) from %s (%s) on"
+			      " (%s:%s,%d)\n",
+			      conn->initiator_name, conn->initiator_addr,
+			      conn->portal_host, conn->portal_port, conn->pg_tag);
 	} else if (spdk_iscsi_param_eq_val(conn->sess->params, "SessionType", "Normal")) {
-		snprintf(buf, sizeof buf, "Logout from %s (%s) on %s tgt_node%d"
-			 " (%s:%s,%d), ISID=%"PRIx64", TSIH=%u,"
-			 " CID=%u, HeaderDigest=%s, DataDigest=%s\n",
-			 conn->initiator_name, conn->initiator_addr,
-			 conn->target->name, conn->target->num,
-			 conn->portal_host, conn->portal_port, conn->pg_tag,
-			 conn->sess->isid, conn->sess->tsih, conn->cid,
-			 (spdk_iscsi_param_eq_val(conn->params, "HeaderDigest", "CRC32C")
-			  ? "on" : "off"),
-			 (spdk_iscsi_param_eq_val(conn->params, "DataDigest", "CRC32C")
-			  ? "on" : "off"));
+		SPDK_DEBUGLOG(SPDK_LOG_ISCSI, "Logout from %s (%s) on %s tgt_node%d"
+			      " (%s:%s,%d), ISID=%"PRIx64", TSIH=%u,"
+			      " CID=%u, HeaderDigest=%s, DataDigest=%s\n",
+			      conn->initiator_name, conn->initiator_addr,
+			      conn->target->name, conn->target->num,
+			      conn->portal_host, conn->portal_port, conn->pg_tag,
+			      conn->sess->isid, conn->sess->tsih, conn->cid,
+			      (spdk_iscsi_param_eq_val(conn->params, "HeaderDigest", "CRC32C")
+			       ? "on" : "off"),
+			      (spdk_iscsi_param_eq_val(conn->params, "DataDigest", "CRC32C")
+			       ? "on" : "off"));
 	} else {
 		/* discovery session */
-		snprintf(buf, sizeof buf, "Logout(discovery) from %s (%s) on"
-			 " (%s:%s,%d), ISID=%"PRIx64", TSIH=%u,"
-			 " CID=%u, HeaderDigest=%s, DataDigest=%s\n",
-			 conn->initiator_name, conn->initiator_addr,
-			 conn->portal_host, conn->portal_port, conn->pg_tag,
-			 conn->sess->isid, conn->sess->tsih, conn->cid,
-			 (spdk_iscsi_param_eq_val(conn->params, "HeaderDigest", "CRC32C")
-			  ? "on" : "off"),
-			 (spdk_iscsi_param_eq_val(conn->params, "DataDigest", "CRC32C")
-			  ? "on" : "off"));
+		SPDK_DEBUGLOG(SPDK_LOG_ISCSI, "Logout(discovery) from %s (%s) on"
+			      " (%s:%s,%d), ISID=%"PRIx64", TSIH=%u,"
+			      " CID=%u, HeaderDigest=%s, DataDigest=%s\n",
+			      conn->initiator_name, conn->initiator_addr,
+			      conn->portal_host, conn->portal_port, conn->pg_tag,
+			      conn->sess->isid, conn->sess->tsih, conn->cid,
+			      (spdk_iscsi_param_eq_val(conn->params, "HeaderDigest", "CRC32C")
+			       ? "on" : "off"),
+			      (spdk_iscsi_param_eq_val(conn->params, "DataDigest", "CRC32C")
+			       ? "on" : "off"));
 	}
 
-	SPDK_NOTICELOG("%s", buf);
-
 	return 0;
 }