diff --git a/vendor/google.golang.org/grpc/balancer/base/balancer.go b/vendor/google.golang.org/grpc/balancer/base/balancer.go
index c5a51bd..1af88f0 100644
--- a/vendor/google.golang.org/grpc/balancer/base/balancer.go
+++ b/vendor/google.golang.org/grpc/balancer/base/balancer.go
@@ -70,13 +70,15 @@
 	panic("not implemented")
 }
 
-func (b *baseBalancer) UpdateResolverState(s resolver.State) {
-	// TODO: handle s.Err (log if not nil) once implemented.
-	// TODO: handle s.ServiceConfig?
-	grpclog.Infoln("base.baseBalancer: got new resolver state: ", s)
+func (b *baseBalancer) UpdateClientConnState(s balancer.ClientConnState) {
+	// TODO: handle s.ResolverState.Err (log if not nil) once implemented.
+	// TODO: handle s.ResolverState.ServiceConfig?
+	if grpclog.V(2) {
+		grpclog.Infoln("base.baseBalancer: got new ClientConn state: ", s)
+	}
 	// addrsSet is the set converted from addrs, it's used for quick lookup of an address.
 	addrsSet := make(map[resolver.Address]struct{})
-	for _, a := range s.Addresses {
+	for _, a := range s.ResolverState.Addresses {
 		addrsSet[a] = struct{}{}
 		if _, ok := b.subConns[a]; !ok {
 			// a is a new address (not existing in b.subConns).
@@ -127,10 +129,14 @@
 
 func (b *baseBalancer) UpdateSubConnState(sc balancer.SubConn, state balancer.SubConnState) {
 	s := state.ConnectivityState
-	grpclog.Infof("base.baseBalancer: handle SubConn state change: %p, %v", sc, s)
+	if grpclog.V(2) {
+		grpclog.Infof("base.baseBalancer: handle SubConn state change: %p, %v", sc, s)
+	}
 	oldS, ok := b.scStates[sc]
 	if !ok {
-		grpclog.Infof("base.baseBalancer: got state changes for an unknown SubConn: %p, %v", sc, s)
+		if grpclog.V(2) {
+			grpclog.Infof("base.baseBalancer: got state changes for an unknown SubConn: %p, %v", sc, s)
+		}
 		return
 	}
 	b.scStates[sc] = s