code: def _get_iface_info(iface):
      '''
      If `iface` is available, return interface info and no error, otherwise
      return no info and log and return an error
      '''
      iface_info = interfaces()
  
      if iface in iface_info.keys():
          return iface_info, False
      else:
          error_msg = ('Interface "{0}" not in available interfaces: "{1}"'
                       ''.format(iface, '", "'.join(iface_info.keys())))
          log.error(error_msg)
          return None, error_msf _get_iface_info(iface):
      '''
      If `iface` is available, return interface info and no error, otherwise
      return no info and log and return an error
      '''
      iface_info = interfaces()
  
      if iface in iface_info.keys():
          return iface_info, False
      else:
          error_msg = ('Interface "{0}" not in available interfaces: "{1}"'
                       ''.format(iface, '", "'.join(iface_info.keys())))
          log.error(error_msg)
          return None, error_msg
docs: If `iface` is available, return interface info and no error, otherwise
      return no info and log and return an error