[  979.426329][T21508] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  979.426817][T21508] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  980.137323][T21566] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  980.137624][T21566] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode