[  951.573852][T20508] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  951.574314][T20508] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  952.356245][T20570] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  952.357430][T20570] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode