Logstash 无法在maxmind的GEOIP数据库中查找IPv6

FORWARDEDipV6[CLIENTIPV6]主机名[25/Mar/2016:19:47:13+0530]点击“获取URL HTTP/1.1”200 5-“Apache HttpClient/UNAVAILABLE（java 1.4）”0.000-

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但是我没有得到地理位置的支持

弹性堆栈5

geoip {
source => "remoteip"
target => "geoip"
database => "/etc/logstash/mmcity6.dat"
add_field => [ "[geoip][coordinates]", "%{[geoip][longitude]}" ]
add_field => [ "[geoip][coordinates]", "%{[geoip][latitude]}" ]
}
date {
locale => "en"
match => ["timestamp", "dd/MMM/YYYY:HH:mm:ss +0530" ]
target => "@timestamp"
}
kv {
field_split => "&?"
}
}

"forwarded_ip": "ipv6",
"remoteip": "IPV6",
"loghost": "HOSTN,E",
"timestamp": "25/Mar/2016:19:47:13 +0530",
"cache": "HIT",
"httpmethod": "GET",
"request": "URL",
"httpversion": "1.1",
"response": "200",
"bytes": 5,
"agent": "\"Apache-HttpClient/UNAVAILABLE (java 1.4)\"",
"request_time": 0