Since you have verified that the problem is not solved upstream, could you please report an upstream bug report at:
https://bugzilla.gnome.org/enter_bug.cgi?product=NetworkManager
Mark component=ModemManager.
Since you have verified that the problem is not solved upstream, could you please report an upstream bug report at:
https:/ /bugzilla. gnome.org/ enter_bug. cgi?product= NetworkManager
Mark component= ModemManager.