Failed to create monitoring event Map keys: [:pipelines, :reloads]

[Girish_N]

Hi

After installing x-pack, i have the followinf error in my logstash

[2018-09-05T09:14:40,717][ERROR][logstash.inputs.metrics ] Failed to create monitoring event {:message=>"For path: events. Map keys: [:pipelines, :reloads]", :error=>"LogStash::Instrument::MetricStore::MetricNotFound"}

Logstash.yml
xpack.monitoring.enabled: true
xpack.monitoring.elasticsearch.username: logstash_system
xpack.monitoring.elasticsearch.password: elastic
xpack.monitoring.elasticsearch.url: ["http://localhost:9200"]

xpack.management.enabled: true
xpack.management.pipeline.id: ["main","syslog"]
xpack.management.elasticsearch.username: elastic
xpack.management.elasticsearch.password: elastic
xpack.management.elasticsearch.url: ["http://localhost:9200"]

pipelines.yml
- pipeline.id: main
path.config: "/etc/logstash/conf.d/*.conf"

elasticsearch.yml
xpack.security.enabled: true

logstash configuration - syslog.conf -- /etc/logstash/conf.d/syslog.conf

input {
   syslog{
       port => "514"
       host => "XXX.XX.XXX.XX"
    }
}

filter
{
grok {
      match => { "message" =>"%{SYSLOGTIMESTAMP:syslog_timestamp} %{SYSLOGHOST:syslog_hostname} %{DATA:syslog_program}(?:\[%{POSINT:syslog_pid}\])?: %{GREEDYDATA:syslog_message}" }
      pattern_definitions => { "GREEDYMULTILINE" => "(.|\n)*" }
      remove_field => "message"
   }
   date {
      match => [ "syslog_timestamp", "MMM  d HH:mm:ss", "MMM dd HH:mm:ss" ]
   }
}

output {
    elasticsearch
        { hosts => ["localhost:9200"]},
         user => elastic
         password => elastic

        stdout { codec => rubydebug }
}

I have tried with all other similar post, still no luck