[  852.301970][T21663] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  852.303298][T21663] test-bond1: (slave test-bond0): making interface the new active one
[  852.303693][T21663] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  852.439723][T21668] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  852.528764][T21671] test-bond1: entered promiscuous mode
[  852.528921][T21671] test-bond0: entered promiscuous mode
[  853.544537][T21671] test-bond1: left promiscuous mode
[  853.545081][T21671] test-bond0: left promiscuous mode
[  855.278856][T21673] test-dummy0: entered promiscuous mode
[  857.321690][T21673] test-dummy0: left promiscuous mode
[  857.525598][T21676] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  857.547563][T21676] test-bond1 (unregistering): Released all slaves
[  857.597741][T21677] test-bond0 (unregistering): Released all slaves