[  767.836596] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  767.836756] test-bond1: (slave test-bond0): making interface the new active one
[  767.836863] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  767.853616] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  767.861967] test-bond1: entered promiscuous mode
[  767.862043] test-bond0: entered promiscuous mode
[  768.864387] test-bond1: left promiscuous mode
[  768.864477] test-bond0: left promiscuous mode
[  769.575514] test-dummy0: entered promiscuous mode
[  771.594460] test-dummy0: left promiscuous mode
[  771.731076] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  771.741045] test-bond1 (unregistering): Released all slaves
[  771.755265] test-bond0 (unregistering): Released all slaves