Ref: https://github.com/harvester/harvester/issues/2472

Verify Steps:
- Install Harvester via ISO
- The default Bond Mode should select
active-backup - Ater installed with
active-backupmode, login to console - Execute
cat /etc/sysconfig/network/ifcfg-harvester-mgmt, BONDING_MODULE_OPTS should containsmode=active-backup