[  768.624927] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  768.625038] test-bond1: (slave test-bond0): making interface the new active one
[  768.625135] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  768.643300] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  768.652802] test-bond1: entered promiscuous mode
[  768.652844] test-bond0: entered promiscuous mode
[  769.655105] test-bond1: left promiscuous mode
[  769.655157] test-bond0: left promiscuous mode
[  770.333171] test-dummy0: entered promiscuous mode
[  772.351624] test-dummy0: left promiscuous mode
[  772.470643] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  772.477131] test-bond1 (unregistering): Released all slaves
[  772.489266] test-bond0 (unregistering): Released all slaves