[  849.407372][T21899] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  849.408547][T21899] test-bond1: (slave test-bond0): making interface the new active one
[  849.408959][T21899] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  849.599583][T21912] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  849.775504][T21920] test-bond1: entered promiscuous mode
[  849.775682][T21920] test-bond0: entered promiscuous mode
[  850.793630][T21920] test-bond1: left promiscuous mode
[  850.793875][T21920] test-bond0: left promiscuous mode
[  852.489589][T21922] test-dummy0: entered promiscuous mode
[  854.535526][T21922] test-dummy0: left promiscuous mode
[  854.706719][T21925] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  854.714649][T21925] test-bond1 (unregistering): Released all slaves
[  854.758804][T21926] test-bond0 (unregistering): Released all slaves