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, <jjreisert@alum.mit.edu>, http://www.ad1c.us