[ 980.838122][T20888] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address [ 980.838908][T20888] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address [ 981.702569][T20951] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address [ 981.705554][T20951] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode