[  973.669162][T21552] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  973.669649][T21552] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  974.472374][T21615] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  974.472929][T21615] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode