[  935.805259][T20991] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  935.805755][T20991] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  936.712264][T21041] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  936.712541][T21041] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode