[  942.283196][T21191] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  942.283941][T21191] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  942.950146][T21251] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  942.950434][T21251] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode