[  768.547153] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  768.547295] test-bond1: (slave test-bond0): making interface the new active one
[  768.547393] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  768.566821] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  768.575727] test-bond1: entered promiscuous mode
[  768.575794] test-bond0: entered promiscuous mode
[  769.579725] test-bond1: left promiscuous mode
[  769.579778] test-bond0: left promiscuous mode
[  770.228232] test-dummy0: entered promiscuous mode
[  772.245271] test-dummy0: left promiscuous mode
[  772.360932] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  772.370440] test-bond1 (unregistering): Released all slaves
[  772.380590] test-bond0 (unregistering): Released all slaves