[  989.277657][T21527] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  989.278192][T21527] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  989.907600][T21586] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  989.908556][T21586] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode