zebra: additional redistribute related logging

Signed-off-by: Lou Berger <lberger@labn.net>
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
diff --git a/zebra/redistribute.c b/zebra/redistribute.c
index 5ec8219..57b515e 100644
--- a/zebra/redistribute.c
+++ b/zebra/redistribute.c
@@ -150,12 +150,18 @@
   if (table)
     for (rn = route_top (table); rn; rn = route_next (rn))
       RNODE_FOREACH_RIB (rn, newrib)
-	if (CHECK_FLAG (newrib->flags, ZEBRA_FLAG_SELECTED) 
-	    && newrib->type == type 
-	    && newrib->distance != DISTANCE_INFINITY
-	    && zebra_check_addr (&rn->p))
-	  zsend_route_multipath (ZEBRA_IPV4_ROUTE_ADD, client, &rn->p, newrib);
-  
+        {
+          if (IS_ZEBRA_DEBUG_EVENT)
+            zlog_debug("%s: checking: selected=%d, type=%d, distance=%d, zebra_check_addr=%d",
+                       __func__, CHECK_FLAG (newrib->flags, ZEBRA_FLAG_SELECTED),
+                       newrib->type, newrib->distance, zebra_check_addr (&rn->p));
+          if (CHECK_FLAG (newrib->flags, ZEBRA_FLAG_SELECTED)
+              && newrib->type == type
+              && newrib->distance != DISTANCE_INFINITY
+              && zebra_check_addr (&rn->p))
+            zsend_route_multipath (ZEBRA_IPV4_ROUTE_ADD, client, &rn->p, newrib);
+        }
+
 #ifdef HAVE_IPV6
   table = zebra_vrf_table (AFI_IP6, SAFI_UNICAST, vrf_id);
   if (table)