blacklist-rts5139-dkms.conf --------------------------- blacklist rtsx_usb_sdmmc blacklist rtsx_usb_ms blacklist rtsx_usb firewalld-sysctls.conf ---------------------- install nf_conntrack /usr/bin/modprobe --ignore-install nf_conntrack $CMDLINE_OPTS && /sbin/sysctl --quiet --pattern 'net[.]netfilter[.]nf_conntrack.*' --system