[  953.279816][T20359] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  953.280274][T20359] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  954.131415][T20423] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  954.135586][T20423] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode