[  856.000967][T20778] 8021q: adding VLAN 0 to HW filter on device test-bond0
[  856.002645][T20778] test-bond1: (slave test-bond0): making interface the new active one
[  856.005730][T20778] test-bond1: (slave test-bond0): Enslaving as an active interface with an up link
[  856.155662][T20790] 8021q: adding VLAN 0 to HW filter on device test-bond1
[  856.278441][T20793] test-bond1: entered promiscuous mode
[  856.281965][T20793] test-bond0: entered promiscuous mode
[  857.312182][T20793] test-bond1: left promiscuous mode
[  857.312524][T20793] test-bond0: left promiscuous mode
[  858.853341][T20801] test-dummy0: entered promiscuous mode
[  860.907033][T20801] test-dummy0: left promiscuous mode
[  861.084734][T20804] test-bond1 (unregistering): (slave test-bond0): Releasing backup interface
[  861.093425][T20804] test-bond1 (unregistering): Released all slaves
[  861.153919][T20805] test-bond0 (unregistering): Released all slaves