I'm getting Segmentation fault when trying to run nxlog under Amazon Linux AMI 2015 or 2016.
My configuration file is ok and nxlog is installed from nxlog-ce-2.9.1716-1_rhel6.x86_64.rpm
[root@feeds ~]# /usr/bin/nxlog -v -c /etc/graylog/collector-sidecar/generated/nxlog.conf
2016-08-22 20:49:50 INFO configuration OK
[root@feeds ~]# /usr/bin/nxlog -f -c /etc/graylog/collector-sidecar/generated/nxlog.conf
2016-08-22 20:41:50 WARNING already running as gid 0
2016-08-22 20:41:50 WARNING already running as uid 0