@@ -3,7 +3,7 @@

 # LIBNETWORK_COMMIT is used to build the docker-userland-proxy binary. When

 # updating the binary version, consider updating github.com/docker/libnetwork

 # in vendor.conf accordingly

-: ${LIBNETWORK_COMMIT:=0941c3f409260d5f05cfa6fc68420d8ad45ee483} # bump_19.03 branch

+: ${LIBNETWORK_COMMIT:=71d4d82a5ce50453b1121d95544f0a2ae95bef9b} # bump_19.03 branch

 install_proxy() {

 	case "$1" in

@@ -38,7 +38,7 @@ github.com/gofrs/flock                              7f43ea2e6a643ad441fc12d0ecc0

 # libnetwork

 # When updating, also update LIBNETWORK_COMMIT in hack/dockerfile/install/proxy.installer accordingly

-github.com/docker/libnetwork                        b9bcf0c3fba9ef8897c9676c5b70ba0345b84b17 # bump_19.03 branch

+github.com/docker/libnetwork                        71d4d82a5ce50453b1121d95544f0a2ae95bef9b # bump_19.03 branch

 github.com/docker/go-events                         e31b211e4f1cd09aa76fe4ac244571fab96ae47f

 github.com/armon/go-radix                           e39d623f12e8e41c7b5529e9a9dd67a1e2261f80

 github.com/armon/go-metrics                         eb0af217e5e9747e41dd5303755356b62d28e3ec

@@ -476,7 +476,7 @@ func (m *CompoundMessage) GetMessages() []*CompoundMessage_SimpleMessage {

 type CompoundMessage_SimpleMessage struct {

 	// Bytestring payload of a message constructed using

 	// other message type definitions.

-	Payload []byte `protobuf:"bytes,1,opt,name=Payload,json=payload,proto3" json:"Payload,omitempty"`

+	Payload []byte `protobuf:"bytes,1,opt,name=Payload,proto3" json:"Payload,omitempty"`

 }

 func (m *CompoundMessage_SimpleMessage) Reset()      { *m = CompoundMessage_SimpleMessage{} }

@@ -2651,7 +2651,7 @@ var (

 func init() { proto.RegisterFile("networkdb/networkdb.proto", fileDescriptorNetworkdb) }

 var fileDescriptorNetworkdb = []byte{

-	// 955 bytes of a gzipped FileDescriptorProto

+	// 956 bytes of a gzipped FileDescriptorProto

 	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xcc, 0x96, 0xcd, 0x6e, 0xe3, 0x54,

 	0x14, 0xc7, 0x7b, 0xf3, 0xd1, 0x26, 0xa7, 0x29, 0x35, 0x77, 0x3a, 0x53, 0xd7, 0x03, 0x89, 0x31,

 	0x33, 0x55, 0xa6, 0x82, 0x14, 0x75, 0x9e, 0xa0, 0x49, 0x2c, 0xc8, 0x4c, 0xc6, 0x89, 0xdc, 0xa4,

@@ -2700,16 +2700,16 @@ var fileDescriptorNetworkdb = []byte{

 	0x11, 0xb6, 0x5c, 0x32, 0xb6, 0x1c, 0x62, 0xb0, 0x57, 0x5e, 0xd0, 0x93, 0xa9, 0xf2, 0x2d, 0x82,

 	0xdd, 0x9a, 0x33, 0x70, 0x9d, 0xa1, 0x6d, 0x24, 0x35, 0xd5, 0x21, 0x37, 0x88, 0x86, 0xbe, 0x88,

 	0x58, 0x63, 0x95, 0x39, 0xb7, 0xaf, 0xd1, 0x95, 0x33, 0x73, 0xe0, 0x5a, 0x34, 0x9e, 0xe9, 0x8b,

-	0x5f, 0x4a, 0x4f, 0x60, 0x67, 0x65, 0x2b, 0x4c, 0xa2, 0x1d, 0x27, 0x81, 0x56, 0x92, 0x38, 0xfa,

-	0x39, 0x05, 0xdb, 0xdc, 0x5d, 0x8d, 0x3f, 0xe4, 0x0d, 0xc1, 0xae, 0x27, 0x6e, 0x37, 0x71, 0x43,

-	0x05, 0x76, 0x34, 0xb5, 0xf3, 0x79, 0x4b, 0x7f, 0xde, 0x53, 0xcf, 0x55, 0xad, 0x23, 0xa0, 0xe8,

-	0xd0, 0xe6, 0xd0, 0x95, 0xfb, 0xea, 0x08, 0xb6, 0x3b, 0xa7, 0xd5, 0xa6, 0x1a, 0xd3, 0xf1, 0xb1,

-	0xcc, 0xd1, 0x5c, 0xaf, 0x1f, 0x42, 0xbe, 0xdd, 0x3d, 0xfb, 0xac, 0xd7, 0xee, 0x36, 0x9b, 0x42,

-	0x5a, 0xda, 0x9f, 0x4c, 0xe5, 0x7b, 0x1c, 0xb9, 0x38, 0xcd, 0x0e, 0x21, 0x5f, 0xed, 0x36, 0x9f,

-	0xf7, 0xce, 0xbe, 0xd0, 0x6a, 0x42, 0xe6, 0x16, 0x97, 0x98, 0x05, 0x3f, 0x86, 0x5c, 0xad, 0xf5,

-	0xa2, 0xdd, 0xea, 0x6a, 0x75, 0x21, 0x7b, 0x0b, 0x4b, 0x14, 0xc5, 0x65, 0x00, 0xad, 0x55, 0x4f,

-	0x32, 0xdc, 0x8c, 0x8c, 0xc9, 0xd7, 0x93, 0x5c, 0xd2, 0xd2, 0xbd, 0xd8, 0x98, 0xbc, 0x6c, 0x55,

-	0xf1, 0xf7, 0x9b, 0xe2, 0xc6, 0x5f, 0x37, 0x45, 0xf4, 0xcd, 0xbc, 0x88, 0x5e, 0xcf, 0x8b, 0xe8,

-	0xd7, 0x79, 0x11, 0xfd, 0x39, 0x2f, 0xa2, 0x8b, 0x4d, 0xf6, 0xd7, 0xe9, 0xe9, 0xdf, 0x01, 0x00,

-	0x00, 0xff, 0xff, 0x02, 0x9d, 0x53, 0x72, 0x78, 0x09, 0x00, 0x00,

+	0x5f, 0x4a, 0x4f, 0x60, 0x67, 0x65, 0x2b, 0x4c, 0xa2, 0x1d, 0x27, 0x81, 0xa2, 0x24, 0xe2, 0xe9,

+	0xd1, 0xcf, 0x29, 0xd8, 0xe6, 0xee, 0x6a, 0xfc, 0x21, 0x6f, 0x08, 0x76, 0x3d, 0x71, 0xbb, 0x89,

+	0x1b, 0x2a, 0xb0, 0xa3, 0xa9, 0x9d, 0xcf, 0x5b, 0xfa, 0xf3, 0x9e, 0x7a, 0xae, 0x6a, 0x1d, 0x01,

+	0x45, 0x87, 0x36, 0x87, 0xae, 0xdc, 0x57, 0x47, 0xb0, 0xdd, 0x39, 0xad, 0x36, 0xd5, 0x98, 0x8e,

+	0x8f, 0x65, 0x8e, 0xe6, 0x7a, 0xfd, 0x10, 0xf2, 0xed, 0xee, 0xd9, 0x67, 0xbd, 0x76, 0xb7, 0xd9,

+	0x14, 0xd2, 0xd2, 0xfe, 0x64, 0x2a, 0xdf, 0xe3, 0xc8, 0xc5, 0x69, 0x76, 0x08, 0xf9, 0x6a, 0xb7,

+	0xf9, 0xbc, 0x77, 0xf6, 0x85, 0x56, 0x13, 0x32, 0xb7, 0xb8, 0xc4, 0x2c, 0xf8, 0x31, 0xe4, 0x6a,

+	0xad, 0x17, 0xed, 0x56, 0x57, 0xab, 0x0b, 0xd9, 0x5b, 0x58, 0xa2, 0x28, 0x2e, 0x03, 0x68, 0xad,

+	0x7a, 0x92, 0xe1, 0x66, 0x64, 0x4c, 0xbe, 0x9e, 0xe4, 0x92, 0x96, 0xee, 0xc5, 0xc6, 0xe4, 0x65,

+	0xab, 0x8a, 0xbf, 0xdf, 0x14, 0x37, 0xfe, 0xba, 0x29, 0xa2, 0x6f, 0xe6, 0x45, 0xf4, 0x7a, 0x5e,

+	0x44, 0xbf, 0xce, 0x8b, 0xe8, 0xcf, 0x79, 0x11, 0x5d, 0x6c, 0xb2, 0xbf, 0x4e, 0x4f, 0xff, 0x0e,

+	0x00, 0x00, 0xff, 0xff, 0x0b, 0x8d, 0x70, 0xa7, 0x78, 0x09, 0x00, 0x00,

 }

@@ -484,7 +484,7 @@ func (r *resolver) ServeDNS(w dns.ResponseWriter, query *dns.Msg) {

 			resp, err = co.ReadMsg()

 			// Truncated DNS replies should be sent to the client so that the

 			// client can retry over TCP

-			if err != nil && (resp != nil && !resp.Truncated) {

+			if err != nil && (resp == nil || !resp.Truncated) {

 				r.forwardQueryEnd()

 				logrus.Debugf("[resolver] read from DNS server failed, %s", err)

 				continue