log -> logf

exchange/bitswap/bitswap.go

@@ -114,7 +114,7 @@ func (bs *bitswap) Block(parent context.Context, k u.Key) (*blocks.Block, error)
 
 				response, err := bs.sender.SendRequest(ctx, p, message)
 				if err != nil {
-					log.Error("Error sender.SendRequest(%s) = %s", p, err)
+					log.Errorf("Error sender.SendRequest(%s) = %s", p, err)
 					return
 				}
 				// FIXME ensure accounting is handled correctly when

routing/dht/routing.go

@@ -162,7 +162,7 @@ func (dht *IpfsDHT) addPeerListAsync(ctx context.Context, k u.Key, peers []*pb.M
 			// construct new peer
 			p, err := dht.ensureConnectedToPeer(ctx, mp)
 			if err != nil {
-				log.Error("%s", err)
+				log.Errorf("%s", err)
 				return
 			}
 			if p == nil {