[  843.863368][T21706] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  843.871248][T21706] test-bond1: (slave test-bond0): making interface the new active one
[  843.871668][T21706] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  844.035722][T21715] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  844.139464][T21721] test-bond1: entered promiscuous mode
[  844.139641][T21721] test-bond0: entered promiscuous mode
[  845.156549][T21721] test-bond1: left promiscuous mode
[  845.156802][T21721] test-bond0: left promiscuous mode
[  846.759942][T21729] test-dummy0: entered promiscuous mode
[  848.795759][T21729] test-dummy0: left promiscuous mode
[  848.965842][T21732] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  848.972247][T21732] test-bond1 (unregistering): Released all slaves
[  849.011354][T21733] test-bond0 (unregistering): Released all slaves