net.ipv4.conf.all.forwarding = 1
net.ipv4.conf.all.rp_filter = 0
net.ipv4.conf.default.forwarding = 1
net.ipv4.conf.default.rp_filter = 0
net.ipv6.conf.all.accept_ra = 2
net.ipv6.conf.all.forwarding = 1
net.ipv6.conf.default.accept_ra = 2
net.ipv6.conf.default.forwarding = 1
net.ipv6.conf.all.proxy_ndp = 1