Setup Avatar2 for Ubuntu 16.04.6 LTS (Xenial Xerus)
I've found that the following pairing of Git commits works without errors:
avatar2 @ f39943c Oct 19, 2018 avatar-qemu @ 32062b1 Jan 3, 2018 avatar-panda @ 28f718b Jul 13, 2018 openocd @ 0.9.0-1+deb8u1build0.16.04.1