After a little searching around, it seems like the gsd-power plugin is a possible culprit. Again..., apologies if I've miscategorized this bug.
** Package changed: gnome-power-manager (Ubuntu) => gnome-settings- daemon (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1923323 Title: Bluetooth will not stay OFF upon resume To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-settings-daemon/+bug/1923323/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs