Не может получить доступ к менеджеру по модему gui на ubuntu 16.04 LTS

у меня есть менеджер по модему gui версия 0.0.18-3 в ubuntu 16.04 LTS, когда доступ modem-manager-gui показывает системную ошибку как это:

Connection manager: Network Manager >= 0.9.0
Modem manager: Modem Manager >= 0.7.0

** (modem-manager-gui:2909): WARNING **: Modem Manager >= 0.7.0: 
GDBus.Error:org.freedesktop.DBus.Error.AccessDenied: 
Rejected send message, 2 matched rules;   
type="method_call", sender=":1.96" (uid=1000 pid=2909 comm="modem-manager-gui ") 
interface="org.freedesktop.ModemManager1.Modem.Contacts"
member="GetCount" error name="(unset)" requested_reply="0"
destination=":1.2" (uid=0 pid=856 comm="/usr/sbin/ModemManager ")
Segmentation fault at address: 0x30

Stack trace:
1. /lib/x86_64-linux-gnu/libc.so.6(+0xc3071) [0x7f67f03a0071]
2. /lib/x86_64-linux-gnu/libc.so.6(+0xc3071) [0x7f67f03a0071]
3. /lib/x86_64-linux-gnu/libc.so.6(strftime_l+0x16) [0x7f67f03a20a6]
4. modem-manager-gui(mmgui_str_format_sms_time+0xe7) [0x411b87]
5. modem-manager-gui() [0x42cdb0]
6. modem-manager-gui(mmgui_main_sms_list_fill+0x306) [0x42f226]
7. modem-manager-gui() [0x438450]
8. modem-manager-gui(mmguicore_devices_open+0x149) [0x421879]
9. modem-manager-gui(mmgui_main_device_select_from_list+0x10a) [0x430d8a]

когда я выполняю sudo политику способного кэша modem-manager-gui администратор сети

sudo apt-cache policy modem-manager-gui network-manager
modem-manager-gui:
  Installed: 0.0.18-3
  Candidate: 0.0.18-3
  Version table:
 *** 0.0.18-3 500
        500 http://id.archive.ubuntu.com/ubuntu xenial/universe amd64 Packages
        100 /var/lib/dpkg/status
network-manager:
  Installed: 1.2.6-0ubuntu0.16.04.2
  Candidate: 1.2.6-0ubuntu0.16.04.2
  Version table:
 *** 1.2.6-0ubuntu0.16.04.2 500
        500 http://id.archive.ubuntu.com/ubuntu xenial-updates/main amd64 Packages
        100 /var/lib/dpkg/status
     1.2.2-0ubuntu0.16.04.4 500
        500 http://security.ubuntu.com/ubuntu xenial-security/main amd64 Packages
     1.1.93-0ubuntu4 500
        500 http://id.archive.ubuntu.com/ubuntu xenial/main amd64 Packages