Relax and Recover (ReaR) is not compatible with OVS interfaces. ReaR skips OVS interfaces during restoration. There are three workarounds:
Add the backup data on the boot ISO
As a workaround to avoid the networking issue, add "BACKUP_URL=iso:///backup/" to the /etc/rear/local.conf. With this configuration, the system backup is attached to the ISO file...
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