"今天在安装openvz的时候(安装教程： http://blog.haohtml.com/archives/14724)，修改完内核参数后，执行\n[shell]sysctl -P[/shell]\n后，提示\n[shell]net.ipv4.ip_forward = 1 net.ipv4.conf.default.rp_filter = 1 net.ipv4.conf.default.accept_source_route = 0 kernel.sysrq = 1 kernel.core_uses_pid = 1 net.ipv4.tcp_syncookies = 1 error: \u0026ldquo;net.bridge.bridge-nf-call-ip6tables\u0026rdquo; is an unknown key error: \u0026ldquo;net.bridge.bridge-nf-call-iptables\u0026rdquo; is an unknown key error: \u0026ldquo;net.bridge.bridge-nf-call-arptables\u0026rdquo; is an …"