[ 955.616396][T20945] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address [ 955.616845][T20945] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address [ 956.329066][T21007] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address [ 956.329392][T21007] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode