Configuring OVS Interfaces for ReaR

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...