[ 956.652396][T21034] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address [ 956.653471][T21034] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address [ 957.354111][T21089] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address [ 957.354461][T21089] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode