[  972.588606][T21794] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  972.591076][T21794] test-bond1: (slave test-bond0): making interface the new active one
[  972.591433][T21794] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  972.788039][T21799] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  972.845551][T21802] test-bond1: entered promiscuous mode
[  972.845713][T21802] test-bond0: entered promiscuous mode
[  973.856277][T21802] test-bond1: left promiscuous mode
[  973.856434][T21802] test-bond0: left promiscuous mode
[  975.342385][T21804] test-dummy0: entered promiscuous mode
[  977.378489][T21804] test-dummy0: left promiscuous mode
[  977.538307][T21807] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  977.545108][T21807] test-bond1 (unregistering): Released all slaves
[  977.602603][T21808] test-bond0 (unregistering): Released all slaves