[  987.817260][T21520] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  987.818059][T21520] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  988.676134][T21579] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  988.676923][T21579] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode