Bump golang from 1.22.6 to 1.23.0 (#846)

Dockerfile

@@ -102,7 +102,7 @@ WORKDIR /opt/bess/bessctl
 ENTRYPOINT ["bessd", "-f"]
 
 # Stage build bess golang pb
-FROM golang:1.22.6 AS protoc-gen
+FROM golang:1.23.0 AS protoc-gen
 RUN go install github.com/golang/protobuf/protoc-gen-go@latest
 
 FROM bess-build AS go-pb
@@ -120,7 +120,7 @@ RUN mkdir /bess_pb && \
     --python_out=plugins=grpc:/bess_pb \
     --grpc_python_out=/bess_pb
 
-FROM golang:1.22.6 AS pfcpiface-build
+FROM golang:1.23.0 AS pfcpiface-build
 ARG GOFLAGS
 WORKDIR /pfcpiface
 

pkg/fake_bess/fake_bess.go

@@ -4,7 +4,6 @@
 package fake_bess
 
 import (
-	"fmt"
 	"net"
 
 	"github.com/omec-project/upf-epc/pfcpiface/bess_pb"
@@ -26,7 +25,7 @@ func NewFakeBESS() *FakeBESS {
 
 // Run starts and runs the BESS gRPC server on the given address. Blocking until Stop is called.
 func (b *FakeBESS) Run(address string) error {
-	listener, err := net.Listen("tcp", fmt.Sprintf(address))
+	listener, err := net.Listen("tcp", address)
 	if err != nil {
 		return err
 	}