@mitya57
On 16.04 LTS
indicator-bluetooth depends on unity-control-center, indicator-applet-complete depends on indicator-bluetooth and so on. So it is a kind of dependency problems. It seems that indicator-keyboard indirectly may depend on unity-control-center.
Moreover left Alt+Shift is shown as "Alt+Mod2+Next Group" and Ctrl+Shift as "Ctrl+Mod2+Shift L".
@mitya57 center, indicator- applet- complete depends on indicator-bluetooth and so on. So it is a kind of dependency problems. It seems that indicator-keyboard indirectly may depend on unity-control- center.
On 16.04 LTS
indicator-bluetooth depends on unity-control-
Moreover left Alt+Shift is shown as "Alt+Mod2+Next Group" and Ctrl+Shift as "Ctrl+Mod2+Shift L".
My problem is not unique, other user on AskUbuntu (https:/ /askubuntu. com/q/912640/ 66509) has this problem too.
I fixed this bug by switching to MATE Desktop Environment. I do not like current GNOME development.