thank you for your bug report, if the system freezes then there is an
issue with some low level component and it's not a gnome-control-center
issue. Do you get specific syslog entry when getting the problem? Can
you go to a vt or is the system really stucked (could be a kernel bug in
this case)?
Today I upgraded my distro to Ubuntu 17.10.
Problem is still the same, set IPv6 to manual and your system freeze.
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https://bugs.launchpad.net/bugs/1704438
