[  972.597190][T21776] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  972.597962][T21776] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  973.412744][T21840] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  973.413073][T21840] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode