Basically I've been getting
our AdvValidLifetime on br-lan for [ipv6 prefix] doesn't agree with [ipv6 address given to modem by default config?]
our AdvPreferredLifetime on br-lan for [ipv6 prefix] doesn't agree with [ipv6 address given to modem by default config?]
Not sure why this warning is spamming the system log.
You might want to take a look at your /etc/config/radvd settings.
Double check any RA lifetime in luci or in that config file.
I suggest unsettling any values that might have been configured to see if the log msg disappears.
Question: are you accepting RA's from the WAN side of your router, or even from a tunnel interface?
What is your V6 topology? Native, dual stack, tunnel, upstream DHCPv6 or RA?
I'm just wondering if your RADVD is deviating from what an upstream RA solicitation has provided?
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