[  720.751850] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  720.751997] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  721.003233] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  721.003396] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode