code: func (h *Handle) NeighDel(neigh *Neigh) error {
  	req := h.newNetlinkRequest(unix.RTM_DELNEIGH, unix.NLM_F_ACK)
  	return neighHandle(neigh, req)
  }
docs: // NeighDel will delete an IP address from a link device.
  // Equivalent to: `ip addr del $addr dev $link`