I'm running 3.8.13 on a WNDR3800 router. Should I be concerned about these messages. I am not configured for IPv6 (Comcast), unless someone knows of a way to do so. system log: Jul 1 14:19:06 cerowrt daemon.err miniupnpd[2738]: Can't find in which sub network the client is Jul 1 14:19:06 cerowrt daemon.err miniupnpd[2738]: Can't find in which sub network the client is Jul 1 14:19:06 cerowrt daemon.err miniupnpd[2738]: Can't find in which sub network the client is Jul 1 14:19:13 cerowrt daemon.warn dnsmasq-dhcp[3583]: no address range available for DHCPv6 request via se00 Jul 1 14:19:20 cerowrt daemon.warn dnsmasq-dhcp[3583]: no address range available for DHCPv6 request via se00 Jul 1 14:19:45 cerowrt daemon.warn dnsmasq-dhcp[3583]: no address range available for DHCPv6 request via se00 Jul 1 14:19:52 cerowrt daemon.warn dnsmasq-dhcp[3583]: no address range available for DHCPv6 request via se00 kernel log: [33272.566406] IPv6: Neighbour table overflow [33272.570312] IPv6: Neighbour table overflow [33272.574218] IPv6: Neighbour table overflow [33272.578125] IPv6: Neighbour table overflow [33272.585937] IPv6: Neighbour table overflow [33272.589843] IPv6: Neighbour table overflow [33272.593750] IPv6: Neighbour table overflow [33272.597656] IPv6: Neighbour table overflow [33272.601562] IPv6: Neighbour table overflow [33272.605468] IPv6: Neighbour table overflow -- Jim Reisert AD1C, , http://www.ad1c.us