+ is_authenticated = True if self._sha1_key else False
+ self.test.vapi.bfd_udp_add(sw_if_index=self._interface.sw_if_index,
+ desired_min_tx=self.desired_min_tx,
+ required_min_rx=self.required_min_rx,
+ detect_mult=self.detect_mult,
+ local_addr=self.local_addr,
+ peer_addr=self.peer_addr,