[  838.012101] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  838.012265] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  838.112971] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  838.113053] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode