Also seen in Kubuntu and Debian:
https://bugs.launchpad.net/systemsettings/+bug/1983245
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1016785
Also seen in Kubuntu and Debian:
https:/ /bugs.launchpad .net/systemsett ings/+bug/ 1983245
https:/ /bugs.debian. org/cgi- bin/bugreport. cgi?bug= 1016785