[  854.444137][T21933] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  854.451580][T21933] test-bond1: (slave test-bond0): making interface the new active one
[  854.452819][T21933] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  854.597642][T21940] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  854.725659][T21947] test-bond1: entered promiscuous mode
[  854.725841][T21947] test-bond0: entered promiscuous mode
[  855.744482][T21947] test-bond1: left promiscuous mode
[  855.744744][T21947] test-bond0: left promiscuous mode
[  857.382004][T21956] test-dummy0: entered promiscuous mode
[  859.421296][T21956] test-dummy0: left promiscuous mode
[  859.589917][T21959] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  859.599453][T21959] test-bond1 (unregistering): Released all slaves
[  859.670091][T21960] test-bond0 (unregistering): Released all slaves