[疑问] RouterOS v7 获取数值命令 求解

[[email protected]] > put [/ipv6/nei**or/get [find mac-address=D8:9E:F3:33:7E:30] ad
dress]
invalid internal item number
[[email protected]] >

我想根据MAC地址获取分配给这个MAC地址的IPV6地址
大佬给点建议
谢谢