pdch: Improve log line and increase log level

Change-Id: Ie593331a69f6b8ec3b21e2b274a1aa060b2dc439
diff --git a/src/pdch.cpp b/src/pdch.cpp
index 5d8658a..ddad020 100644
--- a/src/pdch.cpp
+++ b/src/pdch.cpp
@@ -126,7 +126,7 @@
 		LOGP(DRLCMAC, LOGL_DEBUG, "MS requests UL TBF in ack message, so we provide one:\n");
 		osmo_fsm_inst_dispatch(tbf->ul_ass_fsm.fi, TBF_UL_ASS_EV_SCHED_ASS, NULL);
 	} else {
-		LOGP(DRLCMAC, LOGL_DEBUG, "MS requests UL TBF in ack message, so we packet access reject:\n");
+		LOGP(DRLCMAC, LOGL_NOTICE, "MS requests UL TBF in ack message, but alloc failed: send PktAssRej\n");
 		osmo_fsm_inst_dispatch(tbf->ul_ass_fsm.fi, TBF_UL_ASS_EV_SCHED_ASS_REJ, NULL);
 	}
 }