[ 1155.602856][T25022] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address [ 1155.603335][T25022] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address [ 1156.485210][T25070] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address [ 1156.485509][T25070] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode