99-amdgpu-overdrive.conf ------------------------ options amdgpu ppfeaturemask=0xFFF7FFFF firewalld-sysctls.conf ---------------------- install nf_conntrack /usr/bin/modprobe --ignore-install nf_conntrack $CMDLINE_OPTS && /sbin/sysctl --quiet --pattern 'net[.]netfilter[.]nf_conntrack.*' --system