[  948.224581][T20496] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  948.225046][T20496] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  949.098104][T20558] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  949.098408][T20558] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode