code: func (h *Handle) NeighList(linkIndex, family int) ([]Neigh, error) {
  	return h.NeighListExecute(Ndmsg{
  		Family: uint8(family),
  		Index:  uint32(linkIndex),
  	})
  }
docs: // NeighList returns a list of IP-MAC mappings in the system (ARP table).
  // Equivalent to: `ip neighbor show`.
  // The list can be filtered by link and ip family.