[ 953.791003][T20190] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address [ 953.791461][T20190] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address [ 954.593983][T20250] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address [ 954.594282][T20250] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode