Traceback (most recent call last):
  File "/usr/lib/ubiquity/ubiquity/frontend/gtk_components/nmwidgets.py", line 275, in __init__
    self.state_changed)
  File "/usr/lib/ubiquity/ubiquity/frontend/gtk_components/nmwidgets.py", line 104, in __init__
    state_changed)
  File "/usr/lib/ubiquity/ubiquity/nm.py", line 120, in __init__
    self.start(state_changed)
  File "/usr/lib/ubiquity/ubiquity/nm.py", line 141, in start
    self.build_passphrase_cache()
  File "/usr/lib/ubiquity/ubiquity/nm.py", line 205, in build_passphrase_cache
    dbus_interface=NM_SETTINGS_CONN)
  File "/usr/lib/python3/dist-packages/dbus/proxies.py", line 145, in __call__
    **keywords)
  File "/usr/lib/python3/dist-packages/dbus/connection.py", line 651, in call_blocking
    message, timeout)
dbus.exceptions.DBusException: org.freedesktop.NetworkManager.Settings.PermissionDenied: Insufficient privileges.