[  943.797035][T23820] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  943.797521][T23820] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  944.475970][T23880] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  944.476281][T23880] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode