salt-master.trace

[ERROR   ] An un-handled exception from the multiprocessing process 'MWorker-23' was caught:
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/salt/utils/process.py", line 613, in _run
    return self._original_run()
  File "/usr/lib/python2.7/site-packages/salt/master.py", line 882, in run
    self.key,
  File "/usr/lib/python2.7/site-packages/salt/master.py", line 1591, in __init__
    self.local = salt.client.get_local_client(self.opts['conf_file'])
  File "/usr/lib/python2.7/site-packages/salt/client/__init__.py", line 93, in get_local_client
    opts = salt.config.client_config(c_path)
  File "/usr/lib/python2.7/site-packages/salt/config/__init__.py", line 3207, in client_config
    master_config(path, defaults=defaults)
  File "/usr/lib/python2.7/site-packages/salt/config/__init__.py", line 3043, in master_config
    opts = apply_master_config(overrides, defaults)
  File "/usr/lib/python2.7/site-packages/salt/config/__init__.py", line 3087, in apply_master_config
    cache_minion_id=None)
  File "/usr/lib/python2.7/site-packages/salt/config/__init__.py", line 2926, in get_id
    newid = salt.utils.network.generate_minion_id()
  File "/usr/lib/python2.7/site-packages/salt/utils/network.py", line 258, in generate_minion_id
    possible_ids = get_hostnames()
  File "/usr/lib/python2.7/site-packages/salt/utils/network.py", line 178, in get_hostnames
    socket.SOL_TCP, socket.AI_CANONNAME
error: [Errno 2] No such file or directory