[  964.705940][T21820] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  964.706471][T21820] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  965.436855][T21877] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  965.441048][T21877] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode