see https://lore.proxmox.com/pve-devel/20260907084603.245287-1-m.sandoval@proxmox.com/
fixed packages should be on pve-test later today. please do not post AI generated analysis without significantly cutting down its verbosity (and use code...
After a Corosync service restart, one node failed to rejoin our cluster. The installed libknet has no usable SCTP transport, despite SCTP being configured. The diagnosis is confirmed; production recovery after a rollback has not been verified...