[  926.496395][T21506] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  926.496838][T21506] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  927.203145][T21565] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  927.203744][T21565] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode