[  977.996532][T21512] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  977.997006][T21512] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  978.635816][T21562] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  978.636158][T21562] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode