1#unconditional 2NET_IPV4_CONF_FORWARDING 3NET_IPV4_CONF_MC_FORWARDING 4NET_IPV4_CONF_PROXY_ARP 5NET_IPV4_CONF_ACCEPT_REDIRECTS 6NET_IPV4_CONF_SECURE_REDIRECTS 7NET_IPV4_CONF_SEND_REDIRECTS 8NET_IPV4_CONF_SHARED_MEDIA 9NET_IPV4_CONF_RP_FILTER 10NET_IPV4_CONF_ACCEPT_SOURCE_ROUTE 11NET_IPV4_CONF_BOOTP_RELAY 12NET_IPV4_CONF_LOG_MARTIANS 13NET_IPV4_CONF_TAG 14NET_IPV4_CONF_ARPFILTER 15NET_IPV4_CONF_MEDIUM_ID 16NET_IPV4_CONF_NOXFRM 17NET_IPV4_CONF_NOPOLICY 18#conditional 19NET_IPV4_CONF_FORCE_IGMP_VERSION 20NET_IPV4_CONF_ARP_ANNOUNCE 21NET_IPV4_CONF_ARP_IGNORE 22NET_IPV4_CONF_PROMOTE_SECONDARIES 23NET_IPV4_CONF_ARP_ACCEPT 24NET_IPV4_CONF_ARP_NOTIFY 25