[  855.358903][T21611] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  855.360781][T21611] test-bond1: (slave test-bond0): making interface the new active one
[  855.371522][T21611] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  855.540016][T21621] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  855.659960][T21626] test-bond1: entered promiscuous mode
[  855.660141][T21626] test-bond0: entered promiscuous mode
[  856.677646][T21626] test-bond1: left promiscuous mode
[  856.677893][T21626] test-bond0: left promiscuous mode
[  858.350884][T21634] test-dummy0: entered promiscuous mode
[  860.389484][T21634] test-dummy0: left promiscuous mode
[  860.582036][T21637] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  860.593636][T21637] test-bond1 (unregistering): Released all slaves
[  860.652267][T21638] test-bond0 (unregistering): Released all slaves