[  938.614792][T20922] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  938.615261][T20922] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  939.433440][T20978] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  939.434243][T20978] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode