[  965.473621][T21932] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  965.479692][T21932] test-bond1: (slave test-bond0): making interface the new active one
[  965.480068][T21932] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  965.610025][T21937] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  965.661703][T21940] test-bond1: entered promiscuous mode
[  965.661854][T21940] test-bond0: entered promiscuous mode
[  966.675538][T21940] test-bond1: left promiscuous mode
[  966.675709][T21940] test-bond0: left promiscuous mode
[  968.116387][T21942] test-dummy0: entered promiscuous mode
[  970.150120][T21942] test-dummy0: left promiscuous mode
[  970.323998][T21945] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  970.337734][T21945] test-bond1 (unregistering): Released all slaves
[  970.382331][T21946] test-bond0 (unregistering): Released all slaves