[  884.756354] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  884.756441] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  884.860304] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  884.860405] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode