'Indicate whether the ovsdb Interface table has been updated.
If the monitor process is not active an error will be logged since
it won\'t be able to communicate any update. This situation should be
temporary if respawn_interval is set.'

@property
def has_updates(self):

    if (not self.is_active()):
        LOG.error(_LE('Interface    monitor    is    not    active'))
    else:
        self.process_events()
    return bool((self.new_events['added'] or self.new_events['removed']))
