what did your filebeat logfile in /var/log/graylog/collector-sidecar
gives you back? What is the configuration in /etc/graylog/collector-sidecar/generated/filebeat.yml
?
what did your filebeat logfile in /var/log/graylog/collector-sidecar
gives you back? What is the configuration in /etc/graylog/collector-sidecar/generated/filebeat.yml
?