[  901.221086] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  901.221194] test-bond1: (slave test-bond0): making interface the new active one
[  901.221284] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  901.242867] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  901.253458] test-bond1: entered promiscuous mode
[  901.253494] test-bond0: entered promiscuous mode
[  902.255462] test-bond1: left promiscuous mode
[  902.255519] test-bond0: left promiscuous mode
[  902.899039] test-dummy0: entered promiscuous mode
[  904.915151] test-dummy0: left promiscuous mode
[  905.021444] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  905.028893] test-bond1 (unregistering): Released all slaves
[  905.042362] test-bond0 (unregistering): Released all slaves