[  849.063834][T21813] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  849.064940][T21813] test-bond1: (slave test-bond0): making interface the new active one
[  849.065282][T21813] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  849.182797][T21818] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  849.249166][T21821] test-bond1: entered promiscuous mode
[  849.249351][T21821] test-bond0: entered promiscuous mode
[  850.265846][T21821] test-bond1: left promiscuous mode
[  850.266130][T21821] test-bond0: left promiscuous mode
[  851.746955][T21823] test-dummy0: entered promiscuous mode
[  853.783572][T21823] test-dummy0: left promiscuous mode
[  853.954131][T21826] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  853.961005][T21826] test-bond1 (unregistering): Released all slaves
[  854.025421][T21827] test-bond0 (unregistering): Released all slaves