/usr/local/google/crostc/toolchain-utils/afe_lock_machine.py --status --chromeos_root=. --remote=chromeos2-row9-rack8-host21.cros 
hungs.

This makes our weekly chromeos source sync fail.

^CTraceback (most recent call last):
  File "/usr/local/google/crostc/toolchain-utils/afe_lock_machine.py", line 661, in <module>
    sys.exit(Main(sys.argv[1:]))
  File "/usr/local/google/crostc/toolchain-utils/afe_lock_machine.py", line 635, in Main
    machine_states = lock_manager.GetMachineStates(cmd=options.cmd)
  File "/usr/local/google/crostc/toolchain-utils/afe_lock_machine.py", line 515, in GetMachineStates
    host_info = self.afe.get_hosts(hostname=mod_host)
  File "./src/third_party/autotest/files/server/frontend.py", line 528, in get_hosts
    hosts = self.run('get_hosts', **query_args)
  File "./src/third_party/autotest/files/server/cros/dynamic_suite/frontend_wrappers.py", line 131, in run
    self, call, **dargs)
  File "./chromite/lib/retry_util.py", line 244, in GenericRetry
    return _run()
  File "./chromite/lib/retry_util.py", line 171, in _Wrapper
    self._retry_delay.Sleep(attempt)
  File "./chromite/lib/retry_util.py", line 67, in Sleep
    time.sleep(total)
KeyboardInterrupt