[  941.903104][T21239] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  941.903633][T21239] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  942.749155][T21284] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  942.749497][T21284] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode