[  852.848586][T21133] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  852.849711][T21133] test-bond1: (slave test-bond0): making interface the new active one
[  852.850126][T21133] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  853.007535][T21140] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  853.144404][T21147] test-bond1: entered promiscuous mode
[  853.144585][T21147] test-bond0: entered promiscuous mode
[  854.167474][T21147] test-bond1: left promiscuous mode
[  854.167856][T21147] test-bond0: left promiscuous mode
[  855.643216][T21156] test-dummy0: entered promiscuous mode
[  857.675489][T21156] test-dummy0: left promiscuous mode
[  857.852974][T21159] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  857.863402][T21159] test-bond1 (unregistering): Released all slaves
[  857.912554][T21160] test-bond0 (unregistering): Released all slaves