[  977.476070][T21139] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  977.476642][T21139] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  978.158130][T21191] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  978.158507][T21191] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode