gprs_ns2: sns: add log message when size/config retries exhausted

Change-Id: I5f7c04b364807418f5ba22132fc889b46d66aed0
diff --git a/src/gb/gprs_ns2_sns.c b/src/gb/gprs_ns2_sns.c
index 8747129..027d1da 100644
--- a/src/gb/gprs_ns2_sns.c
+++ b/src/gb/gprs_ns2_sns.c
@@ -1313,16 +1313,20 @@
 	gss->N++;
 	switch (fi->T) {
 	case 1:
-		if (gss->N >= nsi->timeout[NS_TOUT_TSNS_SIZE_RETRIES])
+		if (gss->N >= nsi->timeout[NS_TOUT_TSNS_SIZE_RETRIES]) {
+			LOGPFSML(fi, LOGL_ERROR, "NSE %d: Size retries failed. Selecting next IP-SNS endpoint.\n", nse->nsei);
 			osmo_fsm_inst_dispatch(fi, GPRS_SNS_EV_SELECT_ENDPOINT, NULL);
-		else
+		} else {
 			osmo_fsm_inst_state_chg(fi, GPRS_SNS_ST_SIZE, nsi->timeout[NS_TOUT_TSNS_PROV], 1);
+		}
 		break;
 	case 2:
-		if (gss->N >= nsi->timeout[NS_TOUT_TSNS_CONFIG_RETRIES])
+		if (gss->N >= nsi->timeout[NS_TOUT_TSNS_CONFIG_RETRIES]) {
+			LOGPFSML(fi, LOGL_ERROR, "NSE %d: Config retries failed. Selecting next IP-SNS endpoint.\n", nse->nsei);
 			osmo_fsm_inst_dispatch(fi, GPRS_SNS_EV_SELECT_ENDPOINT, NULL);
-		else
+		} else {
 			osmo_fsm_inst_state_chg(fi, GPRS_SNS_ST_CONFIG_BSS, nsi->timeout[NS_TOUT_TSNS_PROV], 2);
+		}
 		break;
 	}
 	return 0;