[  946.744336][T20169] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  946.744821][T20169] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  947.462361][T20221] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  947.462731][T20221] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode