Update go version (#603)

Removed ioctl code and remove exception from lint action

client/cmd/root.go

@@ -6,7 +6,6 @@ import (
 	"fmt"
 	"io"
 	"io/fs"
-	"io/ioutil"
 	"os"
 	"os/signal"
 	"path"
@@ -236,7 +235,7 @@ func copySymLink(source, dest string) error {
 
 func cpDir(src string, dst string) error {
 	var err error
-	var fds []os.FileInfo
+	var fds []os.DirEntry
 	var srcinfo os.FileInfo
 
 	if srcinfo, err = os.Stat(src); err != nil {
@@ -247,7 +246,7 @@ func cpDir(src string, dst string) error {
 		return err
 	}
 
-	if fds, err = ioutil.ReadDir(src); err != nil {
+	if fds, err = os.ReadDir(src); err != nil {
 		return err
 	}
 	for _, fd := range fds {

client/internal/routemanager/firewall_nonlinux.go

@@ -18,7 +18,6 @@ func (unimplementedFirewall) RemoveRoutingRules(pair routerPair) error {
 }
 
 func (unimplementedFirewall) CleanRoutingRules() {
-	return
 }
 
 // NewFirewall returns an unimplemented Firewall manager

client/internal/routemanager/systemops_linux.go

@@ -2,9 +2,9 @@ package routemanager
 
 import (
 	"github.com/vishvananda/netlink"
-	"io/ioutil"
 	"net"
 	"net/netip"
+	"os"
 )
 
 const ipv4ForwardingPath = "/proc/sys/net/ipv4/ip_forward"
@@ -59,12 +59,12 @@ func removeFromRouteTable(prefix netip.Prefix) error {
 }
 
 func enableIPForwarding() error {
-	err := ioutil.WriteFile(ipv4ForwardingPath, []byte("1"), 0644)
+	err := os.WriteFile(ipv4ForwardingPath, []byte("1"), 0644)
 	return err
 }
 
 func isNetForwardHistoryEnabled() bool {
-	out, err := ioutil.ReadFile(ipv4ForwardingPath)
+	out, err := os.ReadFile(ipv4ForwardingPath)
 	if err != nil {
 		// todo
 		panic(err)