[  946.430622][T21027] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  946.431620][T21027] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  947.130879][T21089] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  947.131213][T21089] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode