On Wed, 2017-04-19 at 13:15 +0100, Patrick O'Callaghan wrote: > 2017-04-18T16:14:08.649575Z qemu-system-x86_64: libusb_release_interface: -4 [NO_DEVICE] > > Only the last line looks relevant. Actually looking again I doubt it's relevant. The datestamp is yesterday but the problem happened only minutes ago. poc