[  934.721738][T20904] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  934.722260][T20904] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  935.566569][T20969] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  935.566930][T20969] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode