[  843.598454][T21920] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  843.599699][T21920] test-bond1: (slave test-bond0): making interface the new active one
[  843.600197][T21920] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  843.760763][T21928] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  843.991891][T21935] test-bond1: entered promiscuous mode
[  843.992077][T21935] test-bond0: entered promiscuous mode
[  845.010409][T21935] test-bond1: left promiscuous mode
[  845.010821][T21935] test-bond0: left promiscuous mode
[  846.467983][T21943] test-dummy0: entered promiscuous mode
[  848.504776][T21943] test-dummy0: left promiscuous mode
[  848.680933][T21946] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  848.691833][T21946] test-bond1 (unregistering): Released all slaves
[  848.736764][T21947] test-bond0 (unregistering): Released all slaves