# Libvirt settings net.ipv4.ip_forward=1 net.ipv4.conf.all.rp_filter=0 net.ipv4.conf.default.rp_filter=0 net.bridge.bridge-nf-call-arptables=1 net.bridge.bridge-nf-call-iptables=1 net.bridge.bridge-nf-call-ip6tables=1