Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.8.0
Can you reproduce the problem without using sudo? If not, I expect sudo is
giving you the wrong 'dd', one that doesn't support status=progress. You might
be able to test this theory by using 'sudo strace -o /tmp/debug.txt dd ...'
instead of 'sudo dd ...'.