client raising a "failed marshalling message string field contains invalid UTF-8" when trying to register the peer due to invalid SerialNumber about netbird

[EdouardVanbelle]

I bypassed this issue doing a fallback to the board

diff --git a/client/system/info_linux.go b/client/system/info_linux.go
index d85a6fae..564195a4 100644
--- a/client/system/info_linux.go
+++ b/client/system/info_linux.go
@@ -11,6 +11,7 @@ import (
        "runtime"
        "strings"
        "time"
+       "regexp"

        log "github.com/sirupsen/logrus"
        "github.com/zcalusic/sysinfo"
@@ -89,9 +90,17 @@ func _getInfo() string {
 func sysInfo() (serialNumber string, productName string, manufacturer string) {
        var si sysinfo.SysInfo
        si.GetSysInfo()
+       isascii, _ := regexp.Compile("^[[:ascii:]]+$")
        serial := si.Chassis.Serial
        if (serial == "Default string" || serial == "") && si.Product.Serial != "" {
                serial = si.Product.Serial
        }
-       return serial, si.Product.Name, si.Product.Vendor
+       if (!isascii.MatchString(serial)) && si.Board.Serial != "" {
+               serial = si.Board.Serial
+       }
+       name := si.Product.Name
+       if (!isascii.MatchString(name)) && si.Board.Name != "" {
+               name = si.Board.Name
+       }
+       return serial, name, si.Product.Vendor
 }

let me know if you want a merge request