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Lubomir Rintel authored
We construct new IP6Config on each rdisc_config_changed(). That's not a smart thing to do, since that makes us throw away the previous configuration. In case the two routers on the same network, the first RA triggers rdisc_config_changed() for changed gateway and addresses. On handling the second RA rdisc_config_changed() doesn't add the address, resulting in the address being removed on ip6 config sync. A side effect of this is that the address is still tentative, resulting in DAD retry and an new address being added. So the networking still works, but at the expense of a single DAD failure and an address that's perhaps different from what was expected.
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