Once upon a time, Marco Moock <[email protected]> said: > Am 20.05.26 um 17:37 schrieb Chris Adams: > >I'm not running a firewall on the system; my router is OpenWRT. Also, I > >have SSH configured to use SSH keepalives. Given that the problem only > >appears to affect IPv6 privacy addresses (not IPv6 SLAAC ff:fe addresses > >or IPv4), I don't think it's an issue with either TCP or SSH keepalives. > >And since it started when I upgraded client systems to kernel 7.0, I > >don't think it's the router. > > Then check the lifetime of the IPv6 address.
I wrote a little script to watch the list of public v6 IPs, and I see this so far this morning (masked the public prefix). The number at the end is the valid_lft seconds. 2026-05-21 07:39:17 removed xx::f4f/128 4673 2026-05-21 07:39:20 added xx::f4f/128 5400 2026-05-21 07:41:20 removed xx:3e8c:f8ff:fe60:1d5a/64 4922 2026-05-21 07:41:20 removed xx:7cb1:c518:1be0:d81d/64 4922 2026-05-21 07:41:23 added xx:3e8c:f8ff:fe60:1d5a/64 5398 2026-05-21 07:41:23 added xx:596a:f6f5:67b2:1d8f/64 5398 2026-05-21 08:14:43 added xx:fac3:61f6:ad18:d712/64 4987 2026-05-21 08:14:43 removed xx:596a:f6f5:67b2:1d8f/64 4991 2026-05-21 08:30:26 added xx:84b4:244e:bb14:94fd/64 5398 2026-05-21 08:30:26 removed xx:fac3:61f6:ad18:d712/64 5120 So addresses are definitely being removed before the lifetime and while they're still in use. -- Chris Adams <[email protected]> -- _______________________________________________ users mailing list -- [email protected] To unsubscribe send an email to [email protected] Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/[email protected] Do not reply to spam, report it: https://forge.fedoraproject.org/infra/tickets/issues/new
