[  973.515663][T21770] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  973.516804][T21770] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  974.184680][T21820] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  974.194717][T21820] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode