1kernel.panic=3 2net.ipv4.conf.default.arp_ignore=1 3net.ipv4.conf.all.arp_ignore=1 4net.ipv4.ip_forward=1 5net.ipv4.icmp_echo_ignore_broadcasts=1 6net.ipv4.icmp_ignore_bogus_error_responses=1 7net.ipv4.tcp_ecn=1 8net.ipv4.tcp_fin_timeout=30 9net.ipv4.tcp_keepalive_time=120 10net.ipv4.tcp_timestamps=0 11net.core.netdev_max_backlog=30 12