[  942.076999][T20480] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  942.077526][T20480] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  942.788803][T20544] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  942.789110][T20544] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode