mwhudson@aeglos:/opt/opensource/deb/sponsorship/openafs$ adt-run --source openafs_1.6.18-1.dsc  --- qemu ~/adt-yakkety-amd64-cloud.img 
adt-run [13:37:21]: version 3.20.4
adt-run [13:37:21]: host aeglos; command line: /usr/bin/adt-run --source openafs_1.6.18-1.dsc --- qemu /home/mwhudson/adt-yakkety-amd64-cloud.img
qemu-system-x86_64: terminating on signal 15 from pid 3704
Unexpected error:
Traceback (most recent call last):
  File "/usr/share/autopkgtest/python/VirtSubproc.py", line 705, in mainloop
    command()
  File "/usr/share/autopkgtest/python/VirtSubproc.py", line 643, in command
    r = f(c, ce)
  File "/usr/share/autopkgtest/python/VirtSubproc.py", line 258, in cmd_open
    caller.hook_open()
  File "/usr/bin/adt-virt-qemu", line 567, in hook_open
    make_auxverb(shareddir)
  File "/usr/bin/adt-virt-qemu", line 413, in make_auxverb
    status = VirtSubproc.execute_timeout(None, 5, VirtSubproc.auxverb + ['true'])[0]
  File "/usr/share/autopkgtest/python/VirtSubproc.py", line 144, in execute_timeout
    (out, err) = sp.communicate(instr)
  File "/usr/lib/python3.5/subprocess.py", line 1057, in communicate
    self.wait()
  File "/usr/lib/python3.5/subprocess.py", line 1648, in wait
    (pid, sts) = self._try_wait(0)
  File "/usr/lib/python3.5/subprocess.py", line 1598, in _try_wait
    (pid, sts) = os.waitpid(self.pid, wait_flags)
  File "/usr/share/autopkgtest/python/VirtSubproc.py", line 64, in alarm_handler
    raise Timeout()
VirtSubproc.Timeout
adt-run [13:37:39]: ERROR: testbed failure: cannot send to testbed: ['BrokenPipeError: [Errno 32] Broken pipe\n']