[  975.458750][T21792] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  975.459279][T21792] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  976.140847][T21851] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  976.141393][T21851] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode