I was running gnome 17.04 with no issues. I clean installed Ubuntu 17.1 and everything is fine except on shutdown / reboot it hangs with the following error. Only way to turn off is to hard power cycle which may be bad for hardware. How can I troubleshoot this?
Wlp6s0: failed to remove key (1, ff:ff:ff:ff:ff:ff) from hardware (-22)
Wlp6s0: failed to remove key (2, ff:ff:ff:ff:ff:ff) from hardware (-22)