[  975.967393][T21642] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  975.969193][T21642] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  976.751364][T21706] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  976.751673][T21706] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode