def routers_updated(self, context, routers, operation=None, data=None,<EOL>shuffle_agents=False):
if routers:<EOL><INDENT>self._notification(context, '<STR_LIT>', routers, operation,<EOL>shuffle_agents)<EOL><DEDENT>
Notify cfg agents about configuration changes to routers.

        This includes operations performed on the router like when a
        router interface is added or removed.