[  940.826254][T20880] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  940.826804][T20880] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  941.556041][T20939] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  941.556463][T20939] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode