[  851.276875][T21773] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  851.278463][T21773] test-bond1: (slave test-bond0): making interface the new active one
[  851.278888][T21773] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  851.426137][T21780] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  851.542835][T21784] test-bond1: entered promiscuous mode
[  851.543062][T21784] test-bond0: entered promiscuous mode
[  852.567082][T21784] test-bond1: left promiscuous mode
[  852.567361][T21784] test-bond0: left promiscuous mode
[  854.470873][T21796] test-dummy0: entered promiscuous mode
[  856.513695][T21796] test-dummy0: left promiscuous mode
[  856.721400][T21799] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  856.729794][T21799] test-bond1 (unregistering): Released all slaves
[  856.786063][T21800] test-bond0 (unregistering): Released all slaves