This may be related to this post http://forum.pfsense.org/index.php/topic,41986.0.html
in Routing and Multi WAN.
I am seeing this error in my logs every time rc.newwanip runs, probably because of the WAN interface down.
php: : The command 'route change -host inet6 2001:470:20::2 2001:470:aaaa:bbbb::1' returned exit code '68', the output was 'route: bad address: inet6'
2001:470:20::2 is ardns.he.net (DNS server set for IPv6)
2001:470:aaaa:bbbb::1 is the remote (from me) side of my GIF tunnel to he.net
I'm not sure why that route would need to change since it is the only IPv6 gateway i have.
I am running pfsense 2.1-DEVELOPMENT (amd64) with smos' IPv6 gitsync branch and using an he.net GIF tunnel interface through WAN, which means the IPv6 WAN (GIF) is the same physical interface as the IPv4 WAN, so when the IPv4 interface has a problem the IPv6 will of course also have a problem.
So i am guessing that the error message is related to this and i should ignore it? Or, is there a problem with default gateway switching? Or is there a problem with my setup?