[ 955.041673][T20397] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address [ 955.042126][T20397] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address [ 956.120754][T20449] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address [ 956.121115][T20449] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode