[  958.730830][T20838] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  958.731978][T20838] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  959.427891][T20896] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  959.429908][T20896] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode