Grokfilter Parser error

I have a log file with data like this
indent preformatted text by 4 spaces Jun 22 11:00:40 date=2020-06-22 local7 notice time=11:00:39 devname="MIBLR_FW_1" devid="FG200ETK19907000" logid="0000000013" type="traffic" subtype="forward" level="notice" vd="root" eventtime=1592803839 srcip=
i made a conf program to import data to elk
but it is not parsing grok filter
My filter section is : Preformatted textfilter {

grok {
match => { "message" => "%{IP:client}%{TIMESTAMP_ISO8601:date}\s+%{GREEDYDATA:KV}"}

kv {
source => "KV"
field_split => " "

Am i correct..if not kindly help me to correct my program

my error is..
indent preformatted text by 4 spaces
[0] "_grokparsefailure"

Your time stamp is not in ISO8601 format which means the grok does not work.

well thank you but Is there another way to match this type of date format in far i found out MMM dd HH:mm:ss this for parsing but no idea how to write this in program

I would use dissect to extract the IP and timestamp, then a kv filter to parse the rest of the line. See this example.

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