firewalld-sysctls.conf ---------------------- install nf_conntrack /usr/bin/modprobe --ignore-install nf_conntrack $CMDLINE_OPTS && /sbin/sysctl --quiet --pattern 'net[.]netfilter[.]nf_conntrack.*' --system snd.conf -------- options snd-sof-intel-hda-common hda_model=17aa:38be power_save=0 power_save_controller=N