[  768.453635] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  768.453760] test-bond1: (slave test-bond0): making interface the new active one
[  768.453854] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  768.470779] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  768.478945] test-bond1: entered promiscuous mode
[  768.479008] test-bond0: entered promiscuous mode
[  769.480811] test-bond1: left promiscuous mode
[  769.480912] test-bond0: left promiscuous mode
[  770.113800] test-dummy0: entered promiscuous mode
[  772.134689] test-dummy0: left promiscuous mode
[  772.261287] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  772.266636] test-bond1 (unregistering): Released all slaves
[  772.286820] test-bond0 (unregistering): Released all slaves