[root@host ~]# filebeat test output
elasticsearch: https://172.20.8.86:9200...
parse url... OK
connection...
parse host... OK
dns lookup... OK
addresses: 172.20.8.86
dial up... OK
TLS...
security: server's certificate chain verification is enabled
handshake... ERROR x509: certificate is valid for 127.0.0.1, not 172.20.8.86