diff --git a/cmd/cli/cli.go b/cmd/cli/cli.go
index a386646..e97b53c 100644
--- a/cmd/cli/cli.go
+++ b/cmd/cli/cli.go
@@ -2223,8 +2223,3 @@ func absHomeDir(filename string) string {
 	}
 	return filepath.Join(dir, filename)
 }
-
-// ifaceUp reports whether the net interface is up.
-func ifaceUp(iface *net.Interface) bool {
-	return iface != nil && iface.Flags&net.FlagUp != 0
-}
diff --git a/cmd/cli/os_darwin.go b/cmd/cli/os_darwin.go
index 3b21844..7ce4aa1 100644
--- a/cmd/cli/os_darwin.go
+++ b/cmd/cli/os_darwin.go
@@ -63,15 +63,12 @@ func currentDNS(_ *net.Interface) []string {
 }
 
 // currentStaticDNS returns the current static DNS settings of given interface.
-func currentStaticDNS(iface *net.Interface) []string {
+func currentStaticDNS(iface *net.Interface) ([]string, error) {
 	cmd := "networksetup"
 	args := []string{"-getdnsservers", iface.Name}
 	out, err := exec.Command(cmd, args...).Output()
 	if err != nil {
-		if ifaceUp(iface) {
-			mainLog.Load().Error().Err(err).Msg("could not get current static DNS")
-		}
-		return nil
+		return nil, err
 	}
 	scanner := bufio.NewScanner(bytes.NewReader(out))
 	var ns []string
@@ -81,5 +78,5 @@ func currentStaticDNS(iface *net.Interface) []string {
 			ns = append(ns, ip.String())
 		}
 	}
-	return ns
+	return ns, nil
 }
diff --git a/cmd/cli/os_freebsd.go b/cmd/cli/os_freebsd.go
index a8de0c6..216b36f 100644
--- a/cmd/cli/os_freebsd.go
+++ b/cmd/cli/os_freebsd.go
@@ -68,6 +68,6 @@ func currentDNS(_ *net.Interface) []string {
 }
 
 // currentStaticDNS returns the current static DNS settings of given interface.
-func currentStaticDNS(iface *net.Interface) []string {
-	return currentDNS(iface)
+func currentStaticDNS(iface *net.Interface) ([]string, error) {
+	return currentDNS(iface), nil
 }
diff --git a/cmd/cli/os_linux.go b/cmd/cli/os_linux.go
index c7661f0..fcff741 100644
--- a/cmd/cli/os_linux.go
+++ b/cmd/cli/os_linux.go
@@ -204,8 +204,8 @@ func currentDNS(iface *net.Interface) []string {
 }
 
 // currentStaticDNS returns the current static DNS settings of given interface.
-func currentStaticDNS(iface *net.Interface) []string {
-	return currentDNS(iface)
+func currentStaticDNS(iface *net.Interface) ([]string, error) {
+	return currentDNS(iface), nil
 }
 
 func getDNSByResolvectl(iface string) []string {
diff --git a/cmd/cli/os_windows.go b/cmd/cli/os_windows.go
index e185dc0..56097f8 100644
--- a/cmd/cli/os_windows.go
+++ b/cmd/cli/os_windows.go
@@ -174,20 +174,14 @@ func currentDNS(iface *net.Interface) []string {
 }
 
 // currentStaticDNS returns the current static DNS settings of given interface.
-func currentStaticDNS(iface *net.Interface) []string {
+func currentStaticDNS(iface *net.Interface) ([]string, error) {
 	luid, err := winipcfg.LUIDFromIndex(uint32(iface.Index))
 	if err != nil {
-		if ifaceUp(iface) {
-			mainLog.Load().Error().Err(err).Msg("could not get interface LUID")
-		}
-		return nil
+		return nil, err
 	}
 	guid, err := luid.GUID()
 	if err != nil {
-		if ifaceUp(iface) {
-			mainLog.Load().Error().Err(err).Msg("could not get interface GUID")
-		}
-		return nil
+		return nil, err
 	}
 	var ns []string
 	for _, path := range []string{v4InterfaceKeyPathFormat, v6InterfaceKeyPathFormat} {
@@ -205,7 +199,7 @@ func currentStaticDNS(iface *net.Interface) []string {
 			}
 		}
 	}
-	return ns
+	return ns, nil
 }
 
 // addDnsServerForwarders adds given nameservers to DNS server forwarders list.
diff --git a/cmd/cli/prog.go b/cmd/cli/prog.go
index 1940bd4..03f2105 100644
--- a/cmd/cli/prog.go
+++ b/cmd/cli/prog.go
@@ -703,11 +703,8 @@ func withEachPhysicalInterfaces(excludeIfaceName, context string, f func(i *net.
 		if strings.Contains(netIface.Name, "vEthernet") {
 			return
 		}
-		if err := f(netIface); err != nil {
-			if ifaceUp(netIface) {
-				mainLog.Load().Warn().Err(err).Msgf("failed to %s for interface: %q", context, i.Name)
-			}
-		} else {
+		// TODO: investigate whether we should report this error?
+		if err := f(netIface); err == nil {
 			mainLog.Load().Debug().Msgf("%s for interface %q successfully", context, i.Name)
 		}
 	})
@@ -735,7 +732,7 @@ func saveCurrentStaticDNS(iface *net.Interface) error {
 	if err := os.Remove(file); err != nil && !errors.Is(err, os.ErrNotExist) {
 		mainLog.Load().Warn().Err(err).Msg("could not remove old static DNS settings file")
 	}
-	ns := currentStaticDNS(iface)
+	ns, _ := currentStaticDNS(iface)
 	if len(ns) == 0 {
 		return nil
 	}