[  853.875390][T22019] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  853.878602][T22019] test-bond1: (slave test-bond0): making interface the new active one
[  853.879241][T22019] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  854.139041][T22031] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  854.219284][T22034] test-bond1: entered promiscuous mode
[  854.219464][T22034] test-bond0: entered promiscuous mode
[  855.237023][T22034] test-bond1: left promiscuous mode
[  855.237264][T22034] test-bond0: left promiscuous mode
[  857.201630][T22036] test-dummy0: entered promiscuous mode
[  859.277659][T22036] test-dummy0: left promiscuous mode
[  859.462260][T22039] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  859.471243][T22039] test-bond1 (unregistering): Released all slaves
[  859.528990][T22040] test-bond0 (unregistering): Released all slaves